11 insiders reported 60 Form 4 transactions for NEWMARKET CORP (NEU) over the past 18 months (most recent 2026-09-10). Recent activity: GOTTWALD BRUCE C (10% Owner) Sell 132 shares, GAMBILL MARK M (Director) Buy 157 shares, ROGERS JAMES E (Director) Buy 157 shares, Harris H Hiter III (Director) Buy 157 shares, Xu Ting (Director) Buy 157 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-10 | GOTTWALD BRUCE C | 10% Owner | Sell | 132 | $0 |
| 2026-07-01 | GAMBILL MARK M | Director | Buy | 157 | $0 |
| 2026-07-01 | ROGERS JAMES E | Director | Buy | 157 | $0 |
| 2026-07-01 | Harris H Hiter III | Director | Buy | 157 | $0 |
| 2026-07-01 | Xu Ting | Director | Buy | 157 | $0 |
| 2026-07-01 | Ukrop Lowell Simmons | Director | Buy | 157 | $0 |
| 2026-06-29 | GOTTWALD THOMAS E | Chairman, President & CEO | Sell | 211 | $0 |
| 2026-06-08 | GOTTWALD THOMAS E | Chairman, President & CEO | Sell | 1,500 | $0 |
| 2026-02-25 | Xu Ting | Director | Buy | 400 | $247,684 |
| 2026-02-20 | GOTTWALD THOMAS E | Chairman, President & CEO | Sell | 1,320 | $0 |
| 2026-02-20 | FITZGERALD TIMOTHY K | Vice President & CFO | Sell | 34 | $20,639 |
| 2026-02-20 | GOTTWALD THOMAS E | Chairman, President & CEO | Buy | 60 | $0 |
| 2026-02-20 | GOTTWALD THOMAS E | Chairman, President & CEO | Buy | 180 | $0 |
| 2026-02-20 | GOTTWALD THOMAS E | Chairman, President & CEO | Buy | 60 | $0 |
| 2026-02-20 | GOTTWALD THOMAS E | Chairman, President & CEO | Buy | 120 | $0 |
| 2026-02-20 | GOTTWALD THOMAS E | Chairman, President & CEO | Buy | 120 | $0 |
| 2026-02-20 | GOTTWALD THOMAS E | Chairman, President & CEO | Buy | 150 | $0 |
| 2026-02-20 | GOTTWALD THOMAS E | Chairman, President & CEO | Buy | 120 | $0 |
| 2026-02-20 | GOTTWALD THOMAS E | Chairman, President & CEO | Buy | 150 | $0 |
| 2026-02-20 | GOTTWALD THOMAS E | Chairman, President & CEO | Buy | 180 | $0 |
| 2026-02-20 | GOTTWALD THOMAS E | Chairman, President & CEO | Buy | 180 | $0 |
| 2026-02-20 | GOTTWALD THOMAS E | Chairman, President & CEO | Buy | 180 | $0 |
| 2026-02-20 | GOTTWALD THOMAS E | Chairman, President & CEO | Buy | 180 | $0 |
| 2026-02-20 | GOTTWALD THOMAS E | Chairman, President & CEO | Buy | 120 | $0 |
| 2026-02-20 | GOTTWALD BRUCE C | 10% Owner | Sell | 3,000 | $0 |
来源：SEC Form 4 申报文件 · 截至 2026-09-10