NEU insider transaction filings

NEWMARKET CORP — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-09-10. Screen NEU transaction legs live →

Insider transaction summary — last 90 days

2026-06-24 to 2026-09-22, from the filings listed below: 7 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.

By insider — same window

Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.

InsiderFilingsPurchases (P)Sales (S)Other legs
GAMBILL MARK M — Director11
GOTTWALD BRUCE C — 10% owner11
GOTTWALD THOMAS E — Chairman, President & CEO, Director11
Harris H Hiter III — Director11
ROGERS JAMES E — Director11
Ukrop Lowell Simmons — Director11
Xu Ting — Director11

Recent Form 4 filings — NEWMARKET CORP

FiledFormInsiderReported transactionsSource
2026-09-104GOTTWALD BRUCE C — 10% ownerGift (G): 132 @ $0EDGAR
2026-07-014Ukrop Lowell Simmons — DirectorGrant/award (A): 157 @ $0EDGAR
2026-07-014Harris H Hiter III — DirectorGrant/award (A): 157 @ $0EDGAR
2026-07-014Xu Ting — DirectorGrant/award (A): 157 @ $0EDGAR
2026-07-014ROGERS JAMES E — DirectorGrant/award (A): 157 @ $0EDGAR
2026-07-014GAMBILL MARK M — DirectorGrant/award (A): 157 @ $0EDGAR
2026-06-294GOTTWALD THOMAS E — Chairman, President & CEO, DirectorGift (G): 211 @ $0EDGAR
2026-06-084GOTTWALD THOMAS E — Chairman, President & CEO, DirectorGift (G): 1,500 @ $0EDGAR
2026-02-254Xu Ting — DirectorPurchase (P): 400 @ $619.21EDGAR
2026-02-204FITZGERALD TIMOTHY K — Vice President & CFOTax withholding (F): 34 @ $607.04EDGAR
2026-02-204GOTTWALD BRUCE C — 10% ownerGift (G): 3,000 @ $0EDGAR
2026-02-204GOTTWALD THOMAS E — Chairman, President & CEO, DirectorGift (G): 60 @ $0 · Gift (G): 1,320 @ $0 · Gift (G): 60 @ $0 · Gift (G): 120 @ $0 · Gift (G): 120 @ $0 · Gift (G): 150 @ $0 · +10 moreEDGAR
2026-02-094Hazelgrove Bruce R III — EVP & CAOGrant/award (A): 475 @ $0 · Tax withholding (F): 153 @ $714.88EDGAR
2026-02-094Jewett Bryce Dickinson III — EVP and General CounselGrant/award (A): 415 @ $0 · Tax withholding (F): 136 @ $714.88EDGAR
2026-02-094Paliotti Brian D — President Afton Chemical CorpGrant/award (A): 535 @ $0 · Tax withholding (F): 171 @ $714.88EDGAR
2026-02-094GOTTWALD THOMAS E — Chairman, President & CEO, DirectorGrant/award (A): 655 @ $0 · Tax withholding (F): 203 @ $714.88EDGAR
2025-12-094Xu Ting — DirectorGift (G): 330 @ $0EDGAR
2025-11-254GOTTWALD THOMAS E — Chairman, President & CEO, DirectorGift (G): 264 @ $0 · Gift (G): 51 @ $0 · Gift (G): 51 @ $0 · Gift (G): 51 @ $0 · Gift (G): 51 @ $0 · Gift (G): 46,175 @ $0EDGAR
2025-09-054GOTTWALD BRUCE C — Director, 10% ownerGift (G): 2,400 @ $0EDGAR
2025-09-034GOTTWALD THOMAS E — Chairman, President & CEO, DirectorGift (G): 315 @ $0EDGAR
2025-07-014Harris H Hiter III — DirectorGrant/award (A): 144 @ $0EDGAR
2025-07-014Ukrop Lowell Simmons — DirectorGrant/award (A): 144 @ $0EDGAR
2025-07-014Xu Ting — DirectorGrant/award (A): 144 @ $0EDGAR
2025-07-014ROGERS JAMES E — DirectorGrant/award (A): 144 @ $0EDGAR
2025-07-014GAMBILL MARK M — DirectorGrant/award (A): 144 @ $0EDGAR
2025-05-214GOTTWALD THOMAS E — Chairman, President & CEO, DirectorGift (G): 1,550 @ $0EDGAR
2025-05-144Hazelgrove Bruce R III — EVP & CAOSale (S): 311 @ $642.43EDGAR
2025-04-244GOTTWALD BRUCE C — Director, 10% ownerGift (G): 198 @ $0EDGAR
2025-04-244GOTTWALD THOMAS E — Chairman, President & CEO, DirectorGift (G): 198 @ $0 · Gift (G): 33 @ $0 · Gift (G): 33 @ $0 · Gift (G): 66 @ $0 · Gift (G): 66 @ $0 · Gift (G): 132 @ $0 · +2 moreEDGAR
2025-03-034Hazelgrove Bruce R III — EVP & CAOGrant/award (A): 445 @ $0 · Tax withholding (F): 134 @ $563.12EDGAR
2025-03-034Paliotti Brian D — President Afton Chemical CorpGrant/award (A): 500 @ $0 · Tax withholding (F): 151 @ $563.12EDGAR
2025-03-034GOTTWALD THOMAS E — Chairman, President & CEO, DirectorGrant/award (A): 610 @ $0 · Tax withholding (F): 230 @ $563.12EDGAR
2025-02-274FITZGERALD TIMOTHY K — Vice President & CFOTax withholding (F): 23 @ $562.73EDGAR
2025-02-074PIETRANTONI ANN P — ControllerGrant/award (A): 30 @ $0EDGAR
2025-01-224GOTTWALD THOMAS E — Chairman, President & CEO, DirectorGift (G): 1,425 @ $0 · Gift (G): 150 @ $0 · Gift (G): 150 @ $0 · Gift (G): 75 @ $0 · Gift (G): 150 @ $0 · Gift (G): 75 @ $0 · +5 moreEDGAR
2024-12-124GOTTWALD THOMAS E — Chairman, President & CEO, DirectorGift (G): 2,350 @ $0EDGAR
2024-11-264GOTTWALD BRUCE C — Director, 10% ownerGift (G): 195,429 @ $0EDGAR
2024-11-264GOTTWALD THOMAS E — Chairman, President & CEO, DirectorGift (G): 65,143 @ $0 · Gift (G): 11,940 @ $0EDGAR
2024-08-134Hazelgrove Bruce R III — EVP & CAOSale (S): 1,237 @ $544.28 · Sale (S): 33 @ $545.36EDGAR
2024-07-024Ukrop Lowell Simmons — DirectorGrant/award (A): 193 @ $0EDGAR
2024-07-024Xu Ting — DirectorGrant/award (A): 193 @ $0EDGAR
2024-07-024Harris H Hiter III — DirectorGrant/award (A): 193 @ $0EDGAR
2024-07-024ROGERS JAMES E — DirectorGrant/award (A): 193 @ $0EDGAR
2024-07-024GAMBILL MARK M — DirectorGrant/award (A): 193 @ $0EDGAR
2024-03-084GOTTWALD THOMAS E — Chairman, President & CEO, DirectorSale (S): 216 @ $632EDGAR
2024-03-074Ridgeway Gail — ControllerGrant/award (A): 36 @ $0EDGAR
2024-03-074GOTTWALD THOMAS E — Chairman, President & CEO, DirectorSale (S): 3,000 @ $643.14EDGAR
2024-03-064GOTTWALD THOMAS E — Chairman, President & CEO, DirectorSale (S): 2,537 @ $645.23 · Sale (S): 1,026 @ $646.30 · Sale (S): 860 @ $647.60 · Sale (S): 8 @ $648.08 · Sale (S): 453 @ $650.01EDGAR
2024-02-294Skrobacz William J — Vice President & CFOTax withholding (F): 8 @ $636.31EDGAR
2024-02-294Ridgeway Gail — ControllerTax withholding (F): 14 @ $636.31EDGAR

Recent 8-K events — NEWMARKET CORP

FiledFormItems reportedSource
2026-08-138-K8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
2026-07-298-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-04-238-K5.07 — Submission of Matters to a Vote of Security Holders
8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
2026-04-228-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-02-268-K5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
9.01 — Financial Statements and Exhibits
EDGAR
2026-02-268-K8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
2026-02-188-K5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain OfficersEDGAR
2026-02-118-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2025-12-098-K5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain OfficersEDGAR
2025-11-058-K5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain OfficersEDGAR
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