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 | — |
Reported at this company — derivatives (options, RSUs, warrants)
No reported derivative activity in this period.