Company · CIK 0001282637 · SIC 2860 — Industrial Organic Chemicals · NYSE
NEWMARKET CORP · NEU
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 9, 2026 GForm 4 → | Sep 10, 4:30 pm EDT | Bruce C Gottwald10% Owner | 132 | — | — | 361,623 | — | |
| Jul 1, 2026 AForm 4 → | Jul 1, 4:30 pm EDT | James E RogersDirector | 157 | — | — | 3,897 | — | |
| Jul 1, 2026 AForm 4 → | Jul 1, 4:30 pm EDT | Mark M GambillDirector | 157 | — | — | 4,149 | — | |
| Jul 1, 2026 AForm 4 → | Jul 1, 4:30 pm EDT | H Hiter Harris IIIDirector | 157 | — | — | 2,239 | — | |
| Jul 1, 2026 AForm 4 → | Jul 1, 4:30 pm EDT | Lowell Simmons UkropDirector | 157 | — | — | 494 | — | |
| Jul 1, 2026 AForm 4 → | Jul 1, 4:30 pm EDT | Ting XuDirector | 157 | — | — | 1,086 | — |
Reported at this company — derivatives (options, RSUs, warrants)
No reported derivative activity in this period.