{"transactions":[{"id":1278998,"issuer":{"id":3626,"kind":"organization","name":"NEWMARKET CORP","symbol":"NEU"},"owners":[{"id":83486,"kind":"person","name":"PIETRANTONI ANN P","position":1,"cik":"0002045696","reported_name":"PIETRANTONI ANN P","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Controller"}}],"security":"Common Stock","published_at":"2025-02-07T16:30:45.000Z","date":"2025-02-05","kind":"grant","planned":false,"acquired":true,"shares":30,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On February 5, 2025, the Compensation Committee of the Board of Directors of NewMarket Corporation (the \"Company\") approved a grant of shares of restricted stock effective March 5, 2025 (the \"Award Date\") pursuant to the Company's 2023 Incentive Compensation and Stock Plan. The stock will vest on the fifth anniversary of the Award Date, provided the reporting person is employed by the Company."}],"balance_after":63,"source":{"system":"sec-edgar","filing":"0000950170-25-016345","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2045696/000095017025016345/ownership.xml","form_type":"4"}}]}