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| Plan Name | NEWMARKET CORPORATION MASTER TRUST FOR DESIGNATED EMPLOYEE BENEFIT PLANS FOR NEWMARKET CORPORATION AND AFFILIATES |
| Plan identification number | 003 |
| Company Name: | NEWMARKET CORPORATION AND AFFILIATES |
| Employer identification number (EIN): | 200812170 |
| NAIC Classification: | 325900 |
| NAIC Description: | Other Chemical Product and Preparation Manufacturing |
Additional information about NEWMARKET CORPORATION AND AFFILIATES
| Jurisdiction of Incorporation: | Virginia Secretary of State |
| Incorporation Date: | 2004-03-03 |
| Company Identification Number: | 0612369 |
| Legal Registered Office Address: |
ATTN: JENNIFER NEWMAN 330 S FOURTH ST RICHMOND United States of America (USA) 23219 |
More information about NEWMARKET CORPORATION AND AFFILIATES
| Plan id# | Filing Submission Date | Name of Administrator | Date Administrator Signed | Name of Company Sponsor | Date Sponsor Signed |
|---|---|---|---|---|---|
| 003 | 2022-01-01 | BRUCE HAZELGROVE | 2023-10-05 | ||
| 003 | 2021-01-01 | BRUCE HAZELGROVE | 2022-10-10 | ||
| 003 | 2020-01-01 | BRUCE HAZELGROVE | 2021-10-11 | ||
| 003 | 2019-01-01 | BRUCE HAZELGROVE | 2020-10-06 | ||
| 003 | 2018-01-01 | BRUCE HAZELGROVE | 2019-10-09 | ||
| 003 | 2017-01-01 | ||||
| 003 | 2016-01-01 | ||||
| 003 | 2015-01-01 | BRUCE HAZELGROVE | |||
| 003 | 2014-01-01 | BRUCE HAZELGROVE | |||
| 003 | 2013-01-01 | BRUCE HAZELGROVE | |||
| 003 | 2012-01-01 | BRUCE HAZELGROVE | |||
| 003 | 2011-01-01 | BRUCE HAZELGROVE | |||
| 003 | 2010-01-01 | BRUCE HAZELGROVE | |||
| 003 | 2009-01-01 | BRUCE HAZELGROVE |
| Measure | Date | Value |
|---|---|---|
| 2022 : NEWMARKET CORPORATION MASTER TRUST FOR DESIGNATED EMPLOYEE BENEFIT PLANS FOR NEWMARKET CORPORATION AND AFFILIATES 2022 401k financial data | ||
| Unrealized appreciation/depreciation of real estate assets | 2022-12-31 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2022-12-31 | $-152,132,229 |
| Total unrealized appreciation/depreciation of assets | 2022-12-31 | $-152,132,229 |
| Total transfer of assets to this plan | 2022-12-31 | $0 |
| Total transfer of assets from this plan | 2022-12-31 | $11,383,188 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2022-12-31 | $0 |
| Expenses. Interest paid | 2022-12-31 | $0 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2022-12-31 | $0 |
| Total income from all sources (including contributions) | 2022-12-31 | $-102,971,239 |
| Total loss/gain on sale of assets | 2022-12-31 | $41,344,057 |
| Total of all expenses incurred | 2022-12-31 | $3,141,768 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2022-12-31 | $0 |
| Expenses. Certain deemed distributions of participant loans | 2022-12-31 | $0 |
| Value of total corrective distributions | 2022-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2022-12-31 | $0 |
| Value of total assets at end of year | 2022-12-31 | $542,958,228 |
| Value of total assets at beginning of year | 2022-12-31 | $660,454,423 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2022-12-31 | $3,141,768 |
| Total interest from all sources | 2022-12-31 | $177,068 |
| Total dividends received (eg from common stock, registered investment company shares) | 2022-12-31 | $7,639,858 |
| Total dividends received from registered investment company shares (eg mutual funds) | 2022-12-31 | $0 |
| Assets. Real estate other than employer real property at end of year | 2022-12-31 | $0 |
| Assets. Real estate other than employer real property at beginning of year | 2022-12-31 | $0 |
| Administrative expenses professional fees incurred | 2022-12-31 | $532,347 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2022-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2022-12-31 | $0 |
| Were there any nonexempt tranactions with any party-in-interest | 2022-12-31 | No |
| Contributions received from participants | 2022-12-31 | $0 |
| Participant contributions at end of year | 2022-12-31 | $0 |
| Participant contributions at beginning of year | 2022-12-31 | $0 |
| Participant contributions at end of year | 2022-12-31 | $0 |
| Participant contributions at beginning of year | 2022-12-31 | $0 |
| Assets. Other investments not covered elsewhere at end of year | 2022-12-31 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2022-12-31 | $0 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2022-12-31 | $0 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2022-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2022-12-31 | $496,704 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2022-12-31 | $354,636 |
| Assets. Loans (other than to participants) at end of year | 2022-12-31 | $0 |
| Assets. Loans (other than to participants) at beginning of year | 2022-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2022-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2022-12-31 | $0 |
| Other income not declared elsewhere | 2022-12-31 | $7 |
| Administrative expenses (other) incurred | 2022-12-31 | $384,807 |
| Liabilities. Value of operating payables at end of year | 2022-12-31 | $0 |
| Liabilities. Value of operating payables at beginning of year | 2022-12-31 | $0 |
| Total non interest bearing cash at end of year | 2022-12-31 | $0 |
| Total non interest bearing cash at beginning of year | 2022-12-31 | $187,271 |
| Income. Non cash contributions | 2022-12-31 | $0 |
| Value of net income/loss | 2022-12-31 | $-106,113,007 |
| Value of net assets at end of year (total assets less liabilities) | 2022-12-31 | $542,958,228 |
| Value of net assets at beginning of year (total assets less liabilities) | 2022-12-31 | $660,454,423 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2022-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2022-12-31 | No |
| Assets. partnership/joint venture interests at end of year | 2022-12-31 | $0 |
| Assets. partnership/joint venture interests at beginning of year | 2022-12-31 | $0 |
| Investment advisory and management fees | 2022-12-31 | $2,224,614 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2022-12-31 | $29,086,223 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2022-12-31 | $38,861,030 |
| Value of interest in pooled separate accounts at end of year | 2022-12-31 | $0 |
| Value of interest in pooled separate accounts at beginning of year | 2022-12-31 | $0 |
| Interest on participant loans | 2022-12-31 | $0 |
| Income. Interest from loans (other than to participants) | 2022-12-31 | $0 |
| Interest earned on other investments | 2022-12-31 | $0 |
| Income. Interest from US Government securities | 2022-12-31 | $0 |
| Income. Interest from corporate debt instruments | 2022-12-31 | $0 |
| Value of interest in master investment trust accounts at end of year | 2022-12-31 | $0 |
| Value of interest in master investment trust accounts at beginning of year | 2022-12-31 | $0 |
| Value of interest in common/collective trusts at end of year | 2022-12-31 | $58,183,861 |
| Value of interest in common/collective trusts at beginning of year | 2022-12-31 | $98,605,333 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2022-12-31 | $18,918,437 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2022-12-31 | $12,264,061 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2022-12-31 | $12,264,061 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2022-12-31 | $177,068 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2022-12-31 | $0 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2022-12-31 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at end of year | 2022-12-31 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2022-12-31 | $0 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2022-12-31 | $0 |
| Asset value of US Government securities at end of year | 2022-12-31 | $0 |
| Asset value of US Government securities at beginning of year | 2022-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2022-12-31 | $0 |
| Net investment gain/loss from pooled separate accounts | 2022-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2022-12-31 | $0 |
| Net gain/loss from 103.12 investment entities | 2022-12-31 | $0 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2022-12-31 | No |
| Assets. Invements in employer securities at end of year | 2022-12-31 | $0 |
| Assets. Invements in employer securities at beginning of year | 2022-12-31 | $0 |
| Assets. Value of employer real property at end of year | 2022-12-31 | $0 |
| Assets. Value of employer real property at beginning of year | 2022-12-31 | $0 |
| Contributions received in cash from employer | 2022-12-31 | $0 |
| Employer contributions (assets) at end of year | 2022-12-31 | $0 |
| Employer contributions (assets) at beginning of year | 2022-12-31 | $0 |
| Income. Dividends from preferred stock | 2022-12-31 | $0 |
| Income. Dividends from common stock | 2022-12-31 | $7,639,858 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2022-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at end of year | 2022-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2022-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2022-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2022-12-31 | $0 |
| Contract administrator fees | 2022-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2022-12-31 | $436,273,003 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2022-12-31 | $510,182,092 |
| Liabilities. Value of benefit claims payable at end of year | 2022-12-31 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2022-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at end of year | 2022-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at beginning of year | 2022-12-31 | $0 |
| Did the plan have assets held for investment | 2022-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2022-12-31 | $340,341,731 |
| Aggregate carrying amount (costs) on sale of assets | 2022-12-31 | $298,997,674 |
| Liabilities. Value of acquisition indebtedness at end of year | 2022-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2022-12-31 | $0 |
| 2021 : NEWMARKET CORPORATION MASTER TRUST FOR DESIGNATED EMPLOYEE BENEFIT PLANS FOR NEWMARKET CORPORATION AND AFFILIATES 2021 401k financial data | ||
| Unrealized appreciation/depreciation of real estate assets | 2021-12-31 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2021-12-31 | $60,066,104 |
| Total unrealized appreciation/depreciation of assets | 2021-12-31 | $60,066,104 |
| Total transfer of assets to this plan | 2021-12-31 | $0 |
| Total transfer of assets from this plan | 2021-12-31 | $10,784,661 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2021-12-31 | $0 |
| Expenses. Interest paid | 2021-12-31 | $0 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2021-12-31 | $0 |
| Total income from all sources (including contributions) | 2021-12-31 | $124,036,307 |
| Total loss/gain on sale of assets | 2021-12-31 | $56,924,815 |
| Total of all expenses incurred | 2021-12-31 | $3,221,169 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2021-12-31 | $0 |
| Expenses. Certain deemed distributions of participant loans | 2021-12-31 | $0 |
| Value of total corrective distributions | 2021-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2021-12-31 | $0 |
| Value of total assets at end of year | 2021-12-31 | $660,454,423 |
| Value of total assets at beginning of year | 2021-12-31 | $550,423,946 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2021-12-31 | $3,221,169 |
| Total interest from all sources | 2021-12-31 | $1,595 |
| Total dividends received (eg from common stock, registered investment company shares) | 2021-12-31 | $7,006,678 |
| Total dividends received from registered investment company shares (eg mutual funds) | 2021-12-31 | $0 |
| Assets. Real estate other than employer real property at end of year | 2021-12-31 | $0 |
| Assets. Real estate other than employer real property at beginning of year | 2021-12-31 | $0 |
| Administrative expenses professional fees incurred | 2021-12-31 | $674,107 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2021-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2021-12-31 | $0 |
| Were there any nonexempt tranactions with any party-in-interest | 2021-12-31 | No |
| Contributions received from participants | 2021-12-31 | $0 |
| Participant contributions at end of year | 2021-12-31 | $0 |
| Participant contributions at beginning of year | 2021-12-31 | $0 |
| Participant contributions at end of year | 2021-12-31 | $0 |
| Participant contributions at beginning of year | 2021-12-31 | $0 |
| Assets. Other investments not covered elsewhere at end of year | 2021-12-31 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2021-12-31 | $0 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2021-12-31 | $0 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2021-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2021-12-31 | $354,636 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2021-12-31 | $319,214 |
| Assets. Loans (other than to participants) at end of year | 2021-12-31 | $0 |
| Assets. Loans (other than to participants) at beginning of year | 2021-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2021-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2021-12-31 | $0 |
| Other income not declared elsewhere | 2021-12-31 | $37,115 |
| Administrative expenses (other) incurred | 2021-12-31 | $53,716 |
| Liabilities. Value of operating payables at end of year | 2021-12-31 | $0 |
| Liabilities. Value of operating payables at beginning of year | 2021-12-31 | $0 |
| Total non interest bearing cash at end of year | 2021-12-31 | $187,271 |
| Total non interest bearing cash at beginning of year | 2021-12-31 | $70,236 |
| Income. Non cash contributions | 2021-12-31 | $0 |
| Value of net income/loss | 2021-12-31 | $120,815,138 |
| Value of net assets at end of year (total assets less liabilities) | 2021-12-31 | $660,454,423 |
| Value of net assets at beginning of year (total assets less liabilities) | 2021-12-31 | $550,423,946 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2021-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2021-12-31 | No |
| Assets. partnership/joint venture interests at end of year | 2021-12-31 | $0 |
| Assets. partnership/joint venture interests at beginning of year | 2021-12-31 | $0 |
| Investment advisory and management fees | 2021-12-31 | $2,493,346 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2021-12-31 | $38,861,030 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2021-12-31 | $36,750,844 |
| Value of interest in pooled separate accounts at end of year | 2021-12-31 | $0 |
| Value of interest in pooled separate accounts at beginning of year | 2021-12-31 | $0 |
| Interest on participant loans | 2021-12-31 | $0 |
| Income. Interest from loans (other than to participants) | 2021-12-31 | $0 |
| Interest earned on other investments | 2021-12-31 | $0 |
| Income. Interest from US Government securities | 2021-12-31 | $0 |
| Income. Interest from corporate debt instruments | 2021-12-31 | $0 |
| Value of interest in master investment trust accounts at end of year | 2021-12-31 | $0 |
| Value of interest in master investment trust accounts at beginning of year | 2021-12-31 | $0 |
| Value of interest in common/collective trusts at end of year | 2021-12-31 | $98,605,333 |
| Value of interest in common/collective trusts at beginning of year | 2021-12-31 | $87,538,263 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2021-12-31 | $12,264,061 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2021-12-31 | $6,771,216 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2021-12-31 | $6,771,216 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2021-12-31 | $1,595 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2021-12-31 | $0 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2021-12-31 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at end of year | 2021-12-31 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2021-12-31 | $0 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2021-12-31 | $0 |
| Asset value of US Government securities at end of year | 2021-12-31 | $0 |
| Asset value of US Government securities at beginning of year | 2021-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2021-12-31 | $0 |
| Net investment gain/loss from pooled separate accounts | 2021-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2021-12-31 | $0 |
| Net gain/loss from 103.12 investment entities | 2021-12-31 | $0 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2021-12-31 | No |
| Assets. Invements in employer securities at end of year | 2021-12-31 | $0 |
| Assets. Invements in employer securities at beginning of year | 2021-12-31 | $0 |
| Assets. Value of employer real property at end of year | 2021-12-31 | $0 |
| Assets. Value of employer real property at beginning of year | 2021-12-31 | $0 |
| Contributions received in cash from employer | 2021-12-31 | $0 |
| Employer contributions (assets) at end of year | 2021-12-31 | $0 |
| Employer contributions (assets) at beginning of year | 2021-12-31 | $0 |
| Income. Dividends from preferred stock | 2021-12-31 | $0 |
| Income. Dividends from common stock | 2021-12-31 | $7,006,678 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2021-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at end of year | 2021-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2021-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2021-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2021-12-31 | $0 |
| Contract administrator fees | 2021-12-31 | $0 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2021-12-31 | $510,182,092 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2021-12-31 | $418,974,173 |
| Liabilities. Value of benefit claims payable at end of year | 2021-12-31 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2021-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at end of year | 2021-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at beginning of year | 2021-12-31 | $0 |
| Did the plan have assets held for investment | 2021-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2021-12-31 | $293,001,030 |
| Aggregate carrying amount (costs) on sale of assets | 2021-12-31 | $236,076,215 |
| Liabilities. Value of acquisition indebtedness at end of year | 2021-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2021-12-31 | $0 |
| 2020 : NEWMARKET CORPORATION MASTER TRUST FOR DESIGNATED EMPLOYEE BENEFIT PLANS FOR NEWMARKET CORPORATION AND AFFILIATES 2020 401k financial data | ||
| Unrealized appreciation/depreciation of real estate assets | 2020-12-31 | $0 |
| Unrealized appreciation/depreciation of other (non real estate) assets | 2020-12-31 | $56,325,471 |
| Total unrealized appreciation/depreciation of assets | 2020-12-31 | $56,325,471 |
| Total transfer of assets to this plan | 2020-12-31 | $0 |
| Total transfer of assets from this plan | 2020-12-31 | $8,231,675 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2020-12-31 | $0 |
| Expenses. Interest paid | 2020-12-31 | $0 |
| Amount of participant contributions which was failed to transmit to the plan within the time period described in 29 CFR 251.3-102 | 2020-12-31 | $0 |
| Total income from all sources (including contributions) | 2020-12-31 | $82,312,656 |
| Total loss/gain on sale of assets | 2020-12-31 | $19,687,528 |
| Total of all expenses incurred | 2020-12-31 | $3,191,181 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2020-12-31 | $0 |
| Expenses. Certain deemed distributions of participant loans | 2020-12-31 | $0 |
| Value of total corrective distributions | 2020-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2020-12-31 | $0 |
| Value of total assets at end of year | 2020-12-31 | $550,423,946 |
| Value of total assets at beginning of year | 2020-12-31 | $479,534,146 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2020-12-31 | $3,191,181 |
| Total interest from all sources | 2020-12-31 | $80,897 |
| Total dividends received (eg from common stock, registered investment company shares) | 2020-12-31 | $6,186,965 |
| Total dividends received from registered investment company shares (eg mutual funds) | 2020-12-31 | $0 |
| Assets. Real estate other than employer real property at end of year | 2020-12-31 | $0 |
| Assets. Real estate other than employer real property at beginning of year | 2020-12-31 | $0 |
| Administrative expenses professional fees incurred | 2020-12-31 | $859,641 |
| Assets. Corporate prefeered stocks other than exployer securities at end of year | 2020-12-31 | $0 |
| Assets. Corporate prefeered stocks other than exployer securities at beginning of year | 2020-12-31 | $0 |
| Were there any nonexempt tranactions with any party-in-interest | 2020-12-31 | No |
| Contributions received from participants | 2020-12-31 | $0 |
| Participant contributions at end of year | 2020-12-31 | $0 |
| Participant contributions at beginning of year | 2020-12-31 | $0 |
| Participant contributions at end of year | 2020-12-31 | $0 |
| Participant contributions at beginning of year | 2020-12-31 | $0 |
| Assets. Other investments not covered elsewhere at end of year | 2020-12-31 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2020-12-31 | $0 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2020-12-31 | $0 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2020-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2020-12-31 | $319,214 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2020-12-31 | $457,768 |
| Assets. Loans (other than to participants) at end of year | 2020-12-31 | $0 |
| Assets. Loans (other than to participants) at beginning of year | 2020-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2020-12-31 | $0 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at beginning of year | 2020-12-31 | $0 |
| Other income not declared elsewhere | 2020-12-31 | $31,795 |
| Administrative expenses (other) incurred | 2020-12-31 | $135,023 |
| Liabilities. Value of operating payables at end of year | 2020-12-31 | $0 |
| Liabilities. Value of operating payables at beginning of year | 2020-12-31 | $0 |
| Total non interest bearing cash at end of year | 2020-12-31 | $70,236 |
| Total non interest bearing cash at beginning of year | 2020-12-31 | $-448,275 |
| Income. Non cash contributions | 2020-12-31 | $0 |
| Value of net income/loss | 2020-12-31 | $79,121,475 |
| Value of net assets at end of year (total assets less liabilities) | 2020-12-31 | $550,423,946 |
| Value of net assets at beginning of year (total assets less liabilities) | 2020-12-31 | $479,534,146 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2020-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2020-12-31 | No |
| Assets. partnership/joint venture interests at end of year | 2020-12-31 | $0 |
| Assets. partnership/joint venture interests at beginning of year | 2020-12-31 | $0 |
| Investment advisory and management fees | 2020-12-31 | $2,185,178 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2020-12-31 | $36,750,844 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2020-12-31 | $25,816,201 |
| Value of interest in pooled separate accounts at end of year | 2020-12-31 | $0 |
| Value of interest in pooled separate accounts at beginning of year | 2020-12-31 | $0 |
| Interest on participant loans | 2020-12-31 | $0 |
| Income. Interest from loans (other than to participants) | 2020-12-31 | $0 |
| Interest earned on other investments | 2020-12-31 | $0 |
| Income. Interest from US Government securities | 2020-12-31 | $0 |
| Income. Interest from corporate debt instruments | 2020-12-31 | $0 |
| Value of interest in master investment trust accounts at end of year | 2020-12-31 | $0 |
| Value of interest in master investment trust accounts at beginning of year | 2020-12-31 | $0 |
| Value of interest in common/collective trusts at end of year | 2020-12-31 | $87,538,263 |
| Value of interest in common/collective trusts at beginning of year | 2020-12-31 | $76,789,229 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2020-12-31 | $6,771,216 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2020-12-31 | $17,613,346 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2020-12-31 | $17,613,346 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2020-12-31 | $80,897 |
| Assets. Value of investments in 103.12 investment entities at end of year | 2020-12-31 | $0 |
| Assets. Value of investments in 103.12 investment entities at beginning of year | 2020-12-31 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at end of year | 2020-12-31 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2020-12-31 | $0 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2020-12-31 | $0 |
| Asset value of US Government securities at end of year | 2020-12-31 | $0 |
| Asset value of US Government securities at beginning of year | 2020-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2020-12-31 | $0 |
| Net investment gain/loss from pooled separate accounts | 2020-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2020-12-31 | $0 |
| Net gain/loss from 103.12 investment entities | 2020-12-31 | $0 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2020-12-31 | No |
| Assets. Invements in employer securities at end of year | 2020-12-31 | $0 |
| Assets. Invements in employer securities at beginning of year | 2020-12-31 | $0 |
| Assets. Value of employer real property at end of year | 2020-12-31 | $0 |
| Assets. Value of employer real property at beginning of year | 2020-12-31 | $0 |
| Contributions received in cash from employer | 2020-12-31 | $0 |
| Employer contributions (assets) at end of year | 2020-12-31 | $0 |
| Employer contributions (assets) at beginning of year | 2020-12-31 | $0 |
| Income. Dividends from preferred stock | 2020-12-31 | $0 |
| Income. Dividends from common stock | 2020-12-31 | $6,186,965 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2020-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at end of year | 2020-12-31 | $0 |
| Asset. Corporate debt instrument preferred debt at beginning of year | 2020-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at end of year | 2020-12-31 | $0 |
| Asset. Corporate debt instrument debt (other) at beginning of year | 2020-12-31 | $0 |
| Contract administrator fees | 2020-12-31 | $11,339 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2020-12-31 | $418,974,173 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2020-12-31 | $359,305,877 |
| Liabilities. Value of benefit claims payable at end of year | 2020-12-31 | $0 |
| Liabilities. Value of benefit claims payable at beginning of year | 2020-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at end of year | 2020-12-31 | $0 |
| Assets. Value of buildings and other operty used in plan operation at beginning of year | 2020-12-31 | $0 |
| Did the plan have assets held for investment | 2020-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2020-12-31 | $178,027,157 |
| Aggregate carrying amount (costs) on sale of assets | 2020-12-31 | $158,339,629 |
| Liabilities. Value of acquisition indebtedness at end of year | 2020-12-31 | $0 |
| Liabilities. Value of acquisition indebtedness at beginning of year | 2020-12-31 | $0 |
| 2019 : NEWMARKET CORPORATION MASTER TRUST FOR DESIGNATED EMPLOYEE BENEFIT PLANS FOR NEWMARKET CORPORATION AND AFFILIATES 2019 401k financial data | ||
| Unrealized appreciation/depreciation of other (non real estate) assets | 2019-12-31 | $83,650,671 |
| Total unrealized appreciation/depreciation of assets | 2019-12-31 | $83,650,671 |
| Total transfer of assets from this plan | 2019-12-31 | $8,920,000 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2019-12-31 | $0 |
| Total income from all sources (including contributions) | 2019-12-31 | $111,190,062 |
| Total loss/gain on sale of assets | 2019-12-31 | $20,614,390 |
| Total of all expenses incurred | 2019-12-31 | $2,910,545 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2019-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2019-12-31 | $0 |
| Value of total assets at end of year | 2019-12-31 | $479,534,146 |
| Value of total assets at beginning of year | 2019-12-31 | $380,174,629 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2019-12-31 | $2,910,545 |
| Total interest from all sources | 2019-12-31 | $515,519 |
| Total dividends received (eg from common stock, registered investment company shares) | 2019-12-31 | $6,409,482 |
| Administrative expenses professional fees incurred | 2019-12-31 | $503,152 |
| Were there any nonexempt tranactions with any party-in-interest | 2019-12-31 | No |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2019-12-31 | $457,768 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2019-12-31 | $339,920 |
| Administrative expenses (other) incurred | 2019-12-31 | $208,668 |
| Total non interest bearing cash at end of year | 2019-12-31 | $-448,275 |
| Total non interest bearing cash at beginning of year | 2019-12-31 | $-16,120 |
| Value of net income/loss | 2019-12-31 | $108,279,517 |
| Value of net assets at end of year (total assets less liabilities) | 2019-12-31 | $479,534,146 |
| Value of net assets at beginning of year (total assets less liabilities) | 2019-12-31 | $380,174,629 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2019-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2019-12-31 | No |
| Investment advisory and management fees | 2019-12-31 | $2,183,100 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2019-12-31 | $25,816,201 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2019-12-31 | $6,580,000 |
| Value of interest in common/collective trusts at end of year | 2019-12-31 | $76,789,229 |
| Value of interest in common/collective trusts at beginning of year | 2019-12-31 | $75,572,116 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2019-12-31 | $17,613,346 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2019-12-31 | $13,073,408 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2019-12-31 | $13,073,408 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2019-12-31 | $515,519 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2019-12-31 | No |
| Income. Dividends from common stock | 2019-12-31 | $6,409,482 |
| Contract administrator fees | 2019-12-31 | $15,625 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2019-12-31 | $359,305,877 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2019-12-31 | $284,625,305 |
| Did the plan have assets held for investment | 2019-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2019-12-31 | $108,367,469 |
| Aggregate carrying amount (costs) on sale of assets | 2019-12-31 | $87,753,079 |
| 2018 : NEWMARKET CORPORATION MASTER TRUST FOR DESIGNATED EMPLOYEE BENEFIT PLANS FOR NEWMARKET CORPORATION AND AFFILIATES 2018 401k financial data | ||
| Unrealized appreciation/depreciation of other (non real estate) assets | 2018-12-31 | $-46,178,482 |
| Total unrealized appreciation/depreciation of assets | 2018-12-31 | $-46,178,482 |
| Total transfer of assets to this plan | 2018-12-31 | $53,875,000 |
| Total transfer of assets from this plan | 2018-12-31 | $6,713,415 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2018-12-31 | $0 |
| Total income from all sources (including contributions) | 2018-12-31 | $-24,369,486 |
| Total loss/gain on sale of assets | 2018-12-31 | $15,910,041 |
| Total of all expenses incurred | 2018-12-31 | $1,996,815 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2018-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2018-12-31 | $0 |
| Value of total assets at end of year | 2018-12-31 | $380,174,629 |
| Value of total assets at beginning of year | 2018-12-31 | $359,379,345 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2018-12-31 | $1,996,815 |
| Total interest from all sources | 2018-12-31 | $491,092 |
| Total dividends received (eg from common stock, registered investment company shares) | 2018-12-31 | $5,405,926 |
| Were there any nonexempt tranactions with any party-in-interest | 2018-12-31 | No |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2018-12-31 | $339,920 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2018-12-31 | $340,235 |
| Other income not declared elsewhere | 2018-12-31 | $1,937 |
| Administrative expenses (other) incurred | 2018-12-31 | $170,373 |
| Total non interest bearing cash at end of year | 2018-12-31 | $-16,120 |
| Total non interest bearing cash at beginning of year | 2018-12-31 | $-19,549 |
| Value of net income/loss | 2018-12-31 | $-26,366,301 |
| Value of net assets at end of year (total assets less liabilities) | 2018-12-31 | $380,174,629 |
| Value of net assets at beginning of year (total assets less liabilities) | 2018-12-31 | $359,379,345 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2018-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2018-12-31 | No |
| Investment advisory and management fees | 2018-12-31 | $1,763,673 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2018-12-31 | $6,580,000 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2018-12-31 | $6,521,438 |
| Value of interest in common/collective trusts at end of year | 2018-12-31 | $75,572,116 |
| Value of interest in common/collective trusts at beginning of year | 2018-12-31 | $42,818,188 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2018-12-31 | $13,073,408 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2018-12-31 | $18,378,704 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2018-12-31 | $18,378,704 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2018-12-31 | $491,092 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2018-12-31 | No |
| Income. Dividends from common stock | 2018-12-31 | $5,405,926 |
| Contract administrator fees | 2018-12-31 | $62,769 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2018-12-31 | $284,625,305 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2018-12-31 | $291,340,329 |
| Did the plan have assets held for investment | 2018-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2018-12-31 | $15,910,356 |
| Aggregate carrying amount (costs) on sale of assets | 2018-12-31 | $315 |
| 2017 : NEWMARKET CORPORATION MASTER TRUST FOR DESIGNATED EMPLOYEE BENEFIT PLANS FOR NEWMARKET CORPORATION AND AFFILIATES 2017 401k financial data | ||
| Unrealized appreciation/depreciation of other (non real estate) assets | 2017-12-31 | $50,542,650 |
| Total unrealized appreciation/depreciation of assets | 2017-12-31 | $50,542,650 |
| Total transfer of assets to this plan | 2017-12-31 | $16,500,000 |
| Total transfer of assets from this plan | 2017-12-31 | $10,095,789 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-12-31 | $0 |
| Total income from all sources (including contributions) | 2017-12-31 | $67,165,281 |
| Total loss/gain on sale of assets | 2017-12-31 | $11,501,314 |
| Total of all expenses incurred | 2017-12-31 | $1,906,283 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2017-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2017-12-31 | $0 |
| Value of total assets at end of year | 2017-12-31 | $359,379,345 |
| Value of total assets at beginning of year | 2017-12-31 | $287,716,136 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2017-12-31 | $1,906,283 |
| Total interest from all sources | 2017-12-31 | $264,357 |
| Total dividends received (eg from common stock, registered investment company shares) | 2017-12-31 | $4,853,188 |
| Were there any nonexempt tranactions with any party-in-interest | 2017-12-31 | No |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2017-12-31 | $340,235 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2017-12-31 | $357,338 |
| Other income not declared elsewhere | 2017-12-31 | $3,772 |
| Administrative expenses (other) incurred | 2017-12-31 | $109,668 |
| Total non interest bearing cash at end of year | 2017-12-31 | $-19,549 |
| Total non interest bearing cash at beginning of year | 2017-12-31 | $-15,691 |
| Value of net income/loss | 2017-12-31 | $65,258,998 |
| Value of net assets at end of year (total assets less liabilities) | 2017-12-31 | $359,379,345 |
| Value of net assets at beginning of year (total assets less liabilities) | 2017-12-31 | $287,716,136 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2017-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2017-12-31 | No |
| Investment advisory and management fees | 2017-12-31 | $1,702,785 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2017-12-31 | $6,521,438 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2017-12-31 | $6,398,111 |
| Value of interest in common/collective trusts at end of year | 2017-12-31 | $42,818,188 |
| Value of interest in common/collective trusts at beginning of year | 2017-12-31 | $32,899,670 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2017-12-31 | $18,378,704 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2017-12-31 | $11,116,188 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2017-12-31 | $11,116,188 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2017-12-31 | $264,357 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2017-12-31 | No |
| Income. Dividends from common stock | 2017-12-31 | $4,853,188 |
| Contract administrator fees | 2017-12-31 | $93,830 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2017-12-31 | $291,340,329 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2017-12-31 | $236,960,520 |
| Did the plan have assets held for investment | 2017-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2017-12-31 | $11,518,417 |
| Aggregate carrying amount (costs) on sale of assets | 2017-12-31 | $17,103 |
| 2016 : NEWMARKET CORPORATION MASTER TRUST FOR DESIGNATED EMPLOYEE BENEFIT PLANS FOR NEWMARKET CORPORATION AND AFFILIATES 2016 401k financial data | ||
| Unrealized appreciation/depreciation of other (non real estate) assets | 2016-12-31 | $10,536,557 |
| Total unrealized appreciation/depreciation of assets | 2016-12-31 | $10,536,557 |
| Total transfer of assets to this plan | 2016-12-31 | $16,500,000 |
| Total transfer of assets from this plan | 2016-12-31 | $6,464,273 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2016-12-31 | $0 |
| Total income from all sources (including contributions) | 2016-12-31 | $21,750,210 |
| Total loss/gain on sale of assets | 2016-12-31 | $6,138,481 |
| Total of all expenses incurred | 2016-12-31 | $1,736,129 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2016-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2016-12-31 | $0 |
| Value of total assets at end of year | 2016-12-31 | $287,716,136 |
| Value of total assets at beginning of year | 2016-12-31 | $257,666,328 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2016-12-31 | $1,736,129 |
| Total interest from all sources | 2016-12-31 | $175,586 |
| Total dividends received (eg from common stock, registered investment company shares) | 2016-12-31 | $4,891,245 |
| Were there any nonexempt tranactions with any party-in-interest | 2016-12-31 | No |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2016-12-31 | $357,338 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2016-12-31 | $410,912 |
| Other income not declared elsewhere | 2016-12-31 | $8,341 |
| Administrative expenses (other) incurred | 2016-12-31 | $133,592 |
| Total non interest bearing cash at end of year | 2016-12-31 | $-15,691 |
| Total non interest bearing cash at beginning of year | 2016-12-31 | $1,926,818 |
| Value of net income/loss | 2016-12-31 | $20,014,081 |
| Value of net assets at end of year (total assets less liabilities) | 2016-12-31 | $287,716,136 |
| Value of net assets at beginning of year (total assets less liabilities) | 2016-12-31 | $257,666,328 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2016-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2016-12-31 | No |
| Investment advisory and management fees | 2016-12-31 | $1,546,287 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2016-12-31 | $6,398,111 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2016-12-31 | $6,222,469 |
| Value of interest in common/collective trusts at end of year | 2016-12-31 | $32,899,670 |
| Value of interest in common/collective trusts at beginning of year | 2016-12-31 | $19,329,523 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2016-12-31 | $11,116,188 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2016-12-31 | $5,853,074 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2016-12-31 | $5,853,074 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2016-12-31 | $175,586 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2016-12-31 | No |
| Income. Dividends from common stock | 2016-12-31 | $4,891,245 |
| Contract administrator fees | 2016-12-31 | $56,250 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2016-12-31 | $236,960,520 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2016-12-31 | $223,923,532 |
| Did the plan have assets held for investment | 2016-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2016-12-31 | $6,192,055 |
| Aggregate carrying amount (costs) on sale of assets | 2016-12-31 | $53,574 |
| 2015 : NEWMARKET CORPORATION MASTER TRUST FOR DESIGNATED EMPLOYEE BENEFIT PLANS FOR NEWMARKET CORPORATION AND AFFILIATES 2015 401k financial data | ||
| Unrealized appreciation/depreciation of other (non real estate) assets | 2015-12-31 | $-17,155,713 |
| Total unrealized appreciation/depreciation of assets | 2015-12-31 | $-17,155,713 |
| Total transfer of assets to this plan | 2015-12-31 | $16,500,000 |
| Total transfer of assets from this plan | 2015-12-31 | $5,230,000 |
| Total income from all sources (including contributions) | 2015-12-31 | $-3,444,131 |
| Total loss/gain on sale of assets | 2015-12-31 | $8,840,682 |
| Total of all expenses incurred | 2015-12-31 | $2,338,942 |
| Value of total assets at end of year | 2015-12-31 | $257,666,328 |
| Value of total assets at beginning of year | 2015-12-31 | $252,179,401 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2015-12-31 | $2,338,942 |
| Total interest from all sources | 2015-12-31 | $11,502 |
| Total dividends received (eg from common stock, registered investment company shares) | 2015-12-31 | $4,482,542 |
| Were there any nonexempt tranactions with any party-in-interest | 2015-12-31 | No |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2015-12-31 | $410,912 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2015-12-31 | $334,590 |
| Other income not declared elsewhere | 2015-12-31 | $376,856 |
| Administrative expenses (other) incurred | 2015-12-31 | $554,576 |
| Total non interest bearing cash at end of year | 2015-12-31 | $1,926,818 |
| Total non interest bearing cash at beginning of year | 2015-12-31 | $3,862,092 |
| Value of net income/loss | 2015-12-31 | $-5,783,073 |
| Value of net assets at end of year (total assets less liabilities) | 2015-12-31 | $257,666,328 |
| Value of net assets at beginning of year (total assets less liabilities) | 2015-12-31 | $252,179,401 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2015-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2015-12-31 | No |
| Investment advisory and management fees | 2015-12-31 | $1,698,963 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2015-12-31 | $6,222,469 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2015-12-31 | $7,490,457 |
| Value of interest in common/collective trusts at end of year | 2015-12-31 | $19,329,523 |
| Value of interest in common/collective trusts at beginning of year | 2015-12-31 | $19,222,303 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2015-12-31 | $5,853,074 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2015-12-31 | $7,467,518 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2015-12-31 | $7,467,518 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2015-12-31 | $11,502 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2015-12-31 | $0 |
| Net investment gain or loss from common/collective trusts | 2015-12-31 | $0 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2015-12-31 | No |
| Income. Dividends from common stock | 2015-12-31 | $4,482,542 |
| Contract administrator fees | 2015-12-31 | $85,403 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2015-12-31 | $223,923,532 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2015-12-31 | $213,802,441 |
| Did the plan have assets held for investment | 2015-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2015-12-31 | $74,370,738 |
| Aggregate carrying amount (costs) on sale of assets | 2015-12-31 | $65,530,056 |
| 2014 : NEWMARKET CORPORATION MASTER TRUST FOR DESIGNATED EMPLOYEE BENEFIT PLANS FOR NEWMARKET CORPORATION AND AFFILIATES 2014 401k financial data | ||
| Unrealized appreciation/depreciation of other (non real estate) assets | 2014-12-31 | $1,459,870 |
| Total unrealized appreciation/depreciation of assets | 2014-12-31 | $1,459,870 |
| Total transfer of assets to this plan | 2014-12-31 | $13,750,000 |
| Total transfer of assets from this plan | 2014-12-31 | $5,303,000 |
| Total income from all sources (including contributions) | 2014-12-31 | $20,386,244 |
| Total loss/gain on sale of assets | 2014-12-31 | $14,836,614 |
| Total of all expenses incurred | 2014-12-31 | $2,108,182 |
| Value of total assets at end of year | 2014-12-31 | $252,179,401 |
| Value of total assets at beginning of year | 2014-12-31 | $225,454,339 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2014-12-31 | $2,108,182 |
| Total interest from all sources | 2014-12-31 | $6,796 |
| Total dividends received (eg from common stock, registered investment company shares) | 2014-12-31 | $4,352,127 |
| Were there any nonexempt tranactions with any party-in-interest | 2014-12-31 | No |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2014-12-31 | $334,590 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2014-12-31 | $310,153 |
| Other income not declared elsewhere | 2014-12-31 | $30,105 |
| Administrative expenses (other) incurred | 2014-12-31 | $425,145 |
| Total non interest bearing cash at end of year | 2014-12-31 | $3,862,092 |
| Total non interest bearing cash at beginning of year | 2014-12-31 | $1,824,539 |
| Value of net income/loss | 2014-12-31 | $18,278,062 |
| Value of net assets at end of year (total assets less liabilities) | 2014-12-31 | $252,179,401 |
| Value of net assets at beginning of year (total assets less liabilities) | 2014-12-31 | $225,454,339 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2014-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2014-12-31 | No |
| Investment advisory and management fees | 2014-12-31 | $1,608,037 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2014-12-31 | $7,490,457 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2014-12-31 | $7,353,335 |
| Value of interest in common/collective trusts at end of year | 2014-12-31 | $19,222,303 |
| Value of interest in common/collective trusts at beginning of year | 2014-12-31 | $19,698,836 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2014-12-31 | $7,467,518 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2014-12-31 | $3,636,674 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2014-12-31 | $3,636,674 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2014-12-31 | $6,796 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2014-12-31 | $-10,399 |
| Net investment gain or loss from common/collective trusts | 2014-12-31 | $-288,869 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2014-12-31 | No |
| Income. Dividends from common stock | 2014-12-31 | $4,352,127 |
| Contract administrator fees | 2014-12-31 | $75,000 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2014-12-31 | $213,802,441 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2014-12-31 | $192,630,802 |
| Did the plan have assets held for investment | 2014-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2014-12-31 | $66,432,360 |
| Aggregate carrying amount (costs) on sale of assets | 2014-12-31 | $51,595,746 |
| 2013 : NEWMARKET CORPORATION MASTER TRUST FOR DESIGNATED EMPLOYEE BENEFIT PLANS FOR NEWMARKET CORPORATION AND AFFILIATES 2013 401k financial data | ||
| Unrealized appreciation/depreciation of other (non real estate) assets | 2013-12-31 | $36,473,792 |
| Total unrealized appreciation/depreciation of assets | 2013-12-31 | $36,473,792 |
| Total transfer of assets to this plan | 2013-12-31 | $20,200,000 |
| Total transfer of assets from this plan | 2013-12-31 | $3,490,000 |
| Total income from all sources (including contributions) | 2013-12-31 | $49,163,720 |
| Total loss/gain on sale of assets | 2013-12-31 | $4,741,164 |
| Total of all expenses incurred | 2013-12-31 | $1,705,261 |
| Value of total assets at end of year | 2013-12-31 | $225,454,339 |
| Value of total assets at beginning of year | 2013-12-31 | $161,285,880 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2013-12-31 | $1,705,261 |
| Total interest from all sources | 2013-12-31 | $20,013 |
| Total dividends received (eg from common stock, registered investment company shares) | 2013-12-31 | $3,591,506 |
| Were there any nonexempt tranactions with any party-in-interest | 2013-12-31 | No |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2013-12-31 | $310,153 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2013-12-31 | $105,077 |
| Other income not declared elsewhere | 2013-12-31 | $13,253 |
| Administrative expenses (other) incurred | 2013-12-31 | $421,724 |
| Total non interest bearing cash at end of year | 2013-12-31 | $1,824,539 |
| Total non interest bearing cash at beginning of year | 2013-12-31 | $5,742,925 |
| Value of net income/loss | 2013-12-31 | $47,458,459 |
| Value of net assets at end of year (total assets less liabilities) | 2013-12-31 | $225,454,339 |
| Value of net assets at beginning of year (total assets less liabilities) | 2013-12-31 | $161,285,880 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2013-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2013-12-31 | No |
| Investment advisory and management fees | 2013-12-31 | $1,208,471 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2013-12-31 | $7,353,335 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2013-12-31 | $7,287,400 |
| Value of interest in common/collective trusts at end of year | 2013-12-31 | $19,698,836 |
| Value of interest in common/collective trusts at beginning of year | 2013-12-31 | $15,478,800 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2013-12-31 | $3,636,674 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2013-12-31 | $6,792,499 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2013-12-31 | $6,792,499 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2013-12-31 | $20,013 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2013-12-31 | $-60,286 |
| Net investment gain or loss from common/collective trusts | 2013-12-31 | $4,384,278 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2013-12-31 | No |
| Income. Dividends from common stock | 2013-12-31 | $3,591,506 |
| Contract administrator fees | 2013-12-31 | $75,066 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2013-12-31 | $192,630,802 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2013-12-31 | $125,879,179 |
| Did the plan have assets held for investment | 2013-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2013-12-31 | $49,690,624 |
| Aggregate carrying amount (costs) on sale of assets | 2013-12-31 | $44,949,460 |
| 2012 : NEWMARKET CORPORATION MASTER TRUST FOR DESIGNATED EMPLOYEE BENEFIT PLANS FOR NEWMARKET CORPORATION AND AFFILIATES 2012 401k financial data | ||
| Unrealized appreciation/depreciation of other (non real estate) assets | 2012-12-31 | $9,514,268 |
| Total unrealized appreciation/depreciation of assets | 2012-12-31 | $9,514,268 |
| Total transfer of assets to this plan | 2012-12-31 | $20,500,000 |
| Total transfer of assets from this plan | 2012-12-31 | $4,450,000 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $0 |
| Total income from all sources (including contributions) | 2012-12-31 | $20,636,857 |
| Total loss/gain on sale of assets | 2012-12-31 | $5,023,233 |
| Total of all expenses incurred | 2012-12-31 | $1,606,901 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2012-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2012-12-31 | $0 |
| Value of total assets at end of year | 2012-12-31 | $161,285,880 |
| Value of total assets at beginning of year | 2012-12-31 | $126,205,924 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2012-12-31 | $1,606,901 |
| Total interest from all sources | 2012-12-31 | $4,919 |
| Total dividends received (eg from common stock, registered investment company shares) | 2012-12-31 | $3,023,954 |
| Total dividends received from registered investment company shares (eg mutual funds) | 2012-12-31 | $0 |
| Administrative expenses professional fees incurred | 2012-12-31 | $0 |
| Were there any nonexempt tranactions with any party-in-interest | 2012-12-31 | No |
| Assets. Other investments not covered elsewhere at end of year | 2012-12-31 | $0 |
| Assets. Other investments not covered elsewhere at beginning of year | 2012-12-31 | $0 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2012-12-31 | $0 |
| Expenses. Other payments made (not to insurance carriers or or participants/beneficiaries) | 2012-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2012-12-31 | $105,077 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2012-12-31 | $148,633 |
| Other liabilities (not benefit claims, operating payabales oe acquisition indebtedness) at end of year | 2012-12-31 | $0 |
| Other income not declared elsewhere | 2012-12-31 | $211,810 |
| Administrative expenses (other) incurred | 2012-12-31 | $569,723 |
| Total non interest bearing cash at end of year | 2012-12-31 | $5,742,925 |
| Total non interest bearing cash at beginning of year | 2012-12-31 | $3,197,478 |
| Value of net income/loss | 2012-12-31 | $19,029,956 |
| Value of net assets at end of year (total assets less liabilities) | 2012-12-31 | $161,285,880 |
| Value of net assets at beginning of year (total assets less liabilities) | 2012-12-31 | $126,205,924 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2012-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2012-12-31 | No |
| Investment advisory and management fees | 2012-12-31 | $980,316 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2012-12-31 | $7,287,400 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2012-12-31 | $5,652,413 |
| Value of interest in common/collective trusts at end of year | 2012-12-31 | $15,478,800 |
| Value of interest in common/collective trusts at beginning of year | 2012-12-31 | $11,897,605 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2012-12-31 | $6,792,499 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2012-12-31 | $3,366,568 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2012-12-31 | $3,366,568 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2012-12-31 | $4,919 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2012-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2012-12-31 | $144,010 |
| Net investment gain or loss from common/collective trusts | 2012-12-31 | $2,714,663 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2012-12-31 | Yes |
| Contributions received in cash from employer | 2012-12-31 | $0 |
| Income. Dividends from common stock | 2012-12-31 | $3,023,954 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2012-12-31 | $0 |
| Contract administrator fees | 2012-12-31 | $56,862 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2012-12-31 | $125,879,179 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2012-12-31 | $101,943,227 |
| Did the plan have assets held for investment | 2012-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2012-12-31 | $36,357,389 |
| Aggregate carrying amount (costs) on sale of assets | 2012-12-31 | $31,334,156 |
| 2011 : NEWMARKET CORPORATION MASTER TRUST FOR DESIGNATED EMPLOYEE BENEFIT PLANS FOR NEWMARKET CORPORATION AND AFFILIATES 2011 401k financial data | ||
| Unrealized appreciation/depreciation of other (non real estate) assets | 2011-12-31 | $-6,034,267 |
| Total unrealized appreciation/depreciation of assets | 2011-12-31 | $0 |
| Total transfer of assets to this plan | 2011-12-31 | $19,900,000 |
| Total transfer of assets from this plan | 2011-12-31 | $3,640,000 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $0 |
| Total income from all sources (including contributions) | 2011-12-31 | $1,355,894 |
| Total loss/gain on sale of assets | 2011-12-31 | $0 |
| Total of all expenses incurred | 2011-12-31 | $1,196,124 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2011-12-31 | $49,175 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2011-12-31 | $0 |
| Value of total assets at end of year | 2011-12-31 | $126,205,924 |
| Value of total assets at beginning of year | 2011-12-31 | $109,786,154 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2011-12-31 | $1,146,949 |
| Total interest from all sources | 2011-12-31 | $10,653 |
| Total dividends received (eg from common stock, registered investment company shares) | 2011-12-31 | $708,588 |
| Administrative expenses professional fees incurred | 2011-12-31 | $243,201 |
| Were there any nonexempt tranactions with any party-in-interest | 2011-12-31 | No |
| Assets. Other investments not covered elsewhere at end of year | 2011-12-31 | $12,204,960 |
| Assets. Other investments not covered elsewhere at beginning of year | 2011-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2011-12-31 | $135,839 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2011-12-31 | $94,883 |
| Other income not declared elsewhere | 2011-12-31 | $111,627 |
| Administrative expenses (other) incurred | 2011-12-31 | $86,386 |
| Total non interest bearing cash at end of year | 2011-12-31 | $-12,547 |
| Total non interest bearing cash at beginning of year | 2011-12-31 | $1,192,554 |
| Value of net income/loss | 2011-12-31 | $159,770 |
| Value of net assets at end of year (total assets less liabilities) | 2011-12-31 | $126,205,924 |
| Value of net assets at beginning of year (total assets less liabilities) | 2011-12-31 | $109,786,154 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2011-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2011-12-31 | No |
| Investment advisory and management fees | 2011-12-31 | $817,362 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2011-12-31 | $17,550,018 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2011-12-31 | $4,894,338 |
| Value of interest in common/collective trusts at end of year | 2011-12-31 | $11,897,605 |
| Value of interest in common/collective trusts at beginning of year | 2011-12-31 | $12,453,279 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2011-12-31 | $3,366,568 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2011-12-31 | $2,686,581 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2011-12-31 | $2,686,581 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2011-12-31 | $10,653 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2011-12-31 | $49,175 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2011-12-31 | $1,956,677 |
| Net investment gain or loss from common/collective trusts | 2011-12-31 | $-1,431,651 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2011-12-31 | Yes |
| Income. Dividends from preferred stock | 2011-12-31 | $-1,653,036 |
| Income. Dividends from common stock | 2011-12-31 | $2,361,624 |
| Contract administrator fees | 2011-12-31 | $35,137 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2011-12-31 | $92,961,086 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2011-12-31 | $88,464,519 |
| Did the plan have assets held for investment | 2011-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2011-12-31 | $48,329,957 |
| Aggregate carrying amount (costs) on sale of assets | 2011-12-31 | $41,578,029 |
| 2010 : NEWMARKET CORPORATION MASTER TRUST FOR DESIGNATED EMPLOYEE BENEFIT PLANS FOR NEWMARKET CORPORATION AND AFFILIATES 2010 401k financial data | ||
| Total unrealized appreciation/depreciation of assets | 2010-12-31 | $0 |
| Total transfer of assets to this plan | 2010-12-31 | $11,505,000 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2010-12-31 | $0 |
| Total income from all sources (including contributions) | 2010-12-31 | $14,600,197 |
| Total loss/gain on sale of assets | 2010-12-31 | $953,143 |
| Total of all expenses incurred | 2010-12-31 | $3,992,940 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2010-12-31 | $2,931,223 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2010-12-31 | $0 |
| Value of total assets at end of year | 2010-12-31 | $109,786,154 |
| Value of total assets at beginning of year | 2010-12-31 | $87,673,897 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2010-12-31 | $1,061,717 |
| Total interest from all sources | 2010-12-31 | $784,861 |
| Total dividends received (eg from common stock, registered investment company shares) | 2010-12-31 | $1,532,973 |
| Administrative expenses professional fees incurred | 2010-12-31 | $245,128 |
| Were there any nonexempt tranactions with any party-in-interest | 2010-12-31 | No |
| Assets. Other investments not covered elsewhere at end of year | 2010-12-31 | $0 |
| Value of other receiveables (less allowance for doubtful accounts) at end of year | 2010-12-31 | $94,883 |
| Value of other receiveables (less allowance for doubtful accounts) at beginning of year | 2010-12-31 | $180,368 |
| Other income not declared elsewhere | 2010-12-31 | $166,914 |
| Administrative expenses (other) incurred | 2010-12-31 | $145,545 |
| Total non interest bearing cash at end of year | 2010-12-31 | $1,192,554 |
| Total non interest bearing cash at beginning of year | 2010-12-31 | $727,051 |
| Value of net income/loss | 2010-12-31 | $10,607,257 |
| Value of net assets at end of year (total assets less liabilities) | 2010-12-31 | $109,786,154 |
| Value of net assets at beginning of year (total assets less liabilities) | 2010-12-31 | $87,673,897 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2010-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2010-12-31 | No |
| Investment advisory and management fees | 2010-12-31 | $671,044 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2010-12-31 | $4,894,338 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2010-12-31 | $3,192,653 |
| Interest earned on other investments | 2010-12-31 | $783,442 |
| Value of interest in common/collective trusts at end of year | 2010-12-31 | $12,453,279 |
| Value of interest in common/collective trusts at beginning of year | 2010-12-31 | $8,655,071 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2010-12-31 | $2,686,581 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2010-12-31 | $1,532,881 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2010-12-31 | $1,532,881 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2010-12-31 | $1,419 |
| Expenses. Payments to insurance carriers foe the provision of benefits | 2010-12-31 | $2,931,223 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2010-12-31 | $11,162,306 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2010-12-31 | Yes |
| Income. Dividends from common stock | 2010-12-31 | $1,532,973 |
| Assets. Corporate common stocks other than exployer securities at end of year | 2010-12-31 | $88,464,519 |
| Assets. Corporate common stocks other than exployer securities at beginning of year | 2010-12-31 | $73,385,873 |
| Did the plan have assets held for investment | 2010-12-31 | Yes |
| Aggregate proceeds on sale of assets | 2010-12-31 | $953,143 |
| 2022: NEWMARKET CORPORATION MASTER TRUST FOR DESIGNATED EMPLOYEE BENEFIT PLANS FOR NEWMARKET CORPORATION AND AFFILIATES 2022 form 5500 responses | ||
|---|---|---|
| 2022-01-01 | Type of plan entity | DFE (Diect Filing Entity) |
| 2022-01-01 | Submission has been amended | No |
| 2022-01-01 | This submission is the final filing | No |
| 2022-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2022-01-01 | Plan is a collectively bargained plan | No |
| 2021: NEWMARKET CORPORATION MASTER TRUST FOR DESIGNATED EMPLOYEE BENEFIT PLANS FOR NEWMARKET CORPORATION AND AFFILIATES 2021 form 5500 responses | ||
| 2021-01-01 | Type of plan entity | DFE (Diect Filing Entity) |
| 2021-01-01 | Submission has been amended | No |
| 2021-01-01 | This submission is the final filing | No |
| 2021-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2021-01-01 | Plan is a collectively bargained plan | No |
| 2020: NEWMARKET CORPORATION MASTER TRUST FOR DESIGNATED EMPLOYEE BENEFIT PLANS FOR NEWMARKET CORPORATION AND AFFILIATES 2020 form 5500 responses | ||
| 2020-01-01 | Type of plan entity | DFE (Diect Filing Entity) |
| 2020-01-01 | Submission has been amended | No |
| 2020-01-01 | This submission is the final filing | No |
| 2020-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2020-01-01 | Plan is a collectively bargained plan | No |
| 2019: NEWMARKET CORPORATION MASTER TRUST FOR DESIGNATED EMPLOYEE BENEFIT PLANS FOR NEWMARKET CORPORATION AND AFFILIATES 2019 form 5500 responses | ||
| 2019-01-01 | Type of plan entity | DFE (Diect Filing Entity) |
| 2019-01-01 | Submission has been amended | No |
| 2019-01-01 | This submission is the final filing | No |
| 2019-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2019-01-01 | Plan is a collectively bargained plan | No |
| 2018: NEWMARKET CORPORATION MASTER TRUST FOR DESIGNATED EMPLOYEE BENEFIT PLANS FOR NEWMARKET CORPORATION AND AFFILIATES 2018 form 5500 responses | ||
| 2018-01-01 | Type of plan entity | DFE (Diect Filing Entity) |
| 2018-01-01 | Submission has been amended | No |
| 2018-01-01 | This submission is the final filing | No |
| 2018-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2018-01-01 | Plan is a collectively bargained plan | No |
| 2017: NEWMARKET CORPORATION MASTER TRUST FOR DESIGNATED EMPLOYEE BENEFIT PLANS FOR NEWMARKET CORPORATION AND AFFILIATES 2017 form 5500 responses | ||
| 2017-01-01 | Type of plan entity | DFE (Diect Filing Entity) |
| 2017-01-01 | Submission has been amended | No |
| 2017-01-01 | This submission is the final filing | No |
| 2017-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2017-01-01 | Plan is a collectively bargained plan | No |
| 2016: NEWMARKET CORPORATION MASTER TRUST FOR DESIGNATED EMPLOYEE BENEFIT PLANS FOR NEWMARKET CORPORATION AND AFFILIATES 2016 form 5500 responses | ||
| 2016-01-01 | Type of plan entity | DFE (Diect Filing Entity) |
| 2016-01-01 | Submission has been amended | No |
| 2016-01-01 | This submission is the final filing | No |
| 2016-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2016-01-01 | Plan is a collectively bargained plan | No |
| 2015: NEWMARKET CORPORATION MASTER TRUST FOR DESIGNATED EMPLOYEE BENEFIT PLANS FOR NEWMARKET CORPORATION AND AFFILIATES 2015 form 5500 responses | ||
| 2015-01-01 | Type of plan entity | DFE (Diect Filing Entity) |
| 2014: NEWMARKET CORPORATION MASTER TRUST FOR DESIGNATED EMPLOYEE BENEFIT PLANS FOR NEWMARKET CORPORATION AND AFFILIATES 2014 form 5500 responses | ||
| 2014-01-01 | Type of plan entity | DFE (Diect Filing Entity) |
| 2013: NEWMARKET CORPORATION MASTER TRUST FOR DESIGNATED EMPLOYEE BENEFIT PLANS FOR NEWMARKET CORPORATION AND AFFILIATES 2013 form 5500 responses | ||
| 2013-01-01 | Type of plan entity | DFE (Diect Filing Entity) |
| 2012: NEWMARKET CORPORATION MASTER TRUST FOR DESIGNATED EMPLOYEE BENEFIT PLANS FOR NEWMARKET CORPORATION AND AFFILIATES 2012 form 5500 responses | ||
| 2012-01-01 | Type of plan entity | DFE (Diect Filing Entity) |
| 2012-01-01 | Submission has been amended | Yes |
| 2012-01-01 | This submission is the final filing | No |
| 2012-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2012-01-01 | Plan is a collectively bargained plan | No |
| 2011: NEWMARKET CORPORATION MASTER TRUST FOR DESIGNATED EMPLOYEE BENEFIT PLANS FOR NEWMARKET CORPORATION AND AFFILIATES 2011 form 5500 responses | ||
| 2011-01-01 | Type of plan entity | DFE (Diect Filing Entity) |
| 2011-01-01 | Submission has been amended | Yes |
| 2011-01-01 | This submission is the final filing | No |
| 2011-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2011-01-01 | Plan is a collectively bargained plan | No |
| 2010: NEWMARKET CORPORATION MASTER TRUST FOR DESIGNATED EMPLOYEE BENEFIT PLANS FOR NEWMARKET CORPORATION AND AFFILIATES 2010 form 5500 responses | ||
| 2010-01-01 | Type of plan entity | DFE (Diect Filing Entity) |
| 2010-01-01 | Submission has been amended | No |
| 2010-01-01 | This submission is the final filing | No |
| 2010-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2010-01-01 | Plan is a collectively bargained plan | No |
| 2009: NEWMARKET CORPORATION MASTER TRUST FOR DESIGNATED EMPLOYEE BENEFIT PLANS FOR NEWMARKET CORPORATION AND AFFILIATES 2009 form 5500 responses | ||
| 2009-01-01 | Type of plan entity | DFE (Diect Filing Entity) |
| 2009-01-01 | Submission has been amended | No |
| 2009-01-01 | This submission is the final filing | No |
| 2009-01-01 | This return/report is a short plan year return/report (less than 12 months) | No |
| 2009-01-01 | Plan is a collectively bargained plan | No |
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