GOTTWALD THOMAS E (CIK 1246518) reported 48 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-08). Recent activity: Sell NEU (1,500 shares), Buy NEU (180 shares), Sell NEU (1,320 shares), Buy NEU (60 shares), Buy NEU (120 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-08 | NEWMARKET CORP (NEU) | Chairman, President & CEO | Sell | 1,500 | $0 |
| 2026-02-20 | NEWMARKET CORP (NEU) | Chairman, President & CEO | Buy | 180 | $0 |
| 2026-02-20 | NEWMARKET CORP (NEU) | Chairman, President & CEO | Sell | 1,320 | $0 |
| 2026-02-20 | NEWMARKET CORP (NEU) | Chairman, President & CEO | Buy | 60 | $0 |
| 2026-02-20 | NEWMARKET CORP (NEU) | Chairman, President & CEO | Buy | 120 | $0 |
| 2026-02-20 | NEWMARKET CORP (NEU) | Chairman, President & CEO | Buy | 120 | $0 |
| 2026-02-20 | NEWMARKET CORP (NEU) | Chairman, President & CEO | Buy | 150 | $0 |
| 2026-02-20 | NEWMARKET CORP (NEU) | Chairman, President & CEO | Buy | 120 | $0 |
| 2026-02-20 | NEWMARKET CORP (NEU) | Chairman, President & CEO | Buy | 150 | $0 |
| 2026-02-20 | NEWMARKET CORP (NEU) | Chairman, President & CEO | Buy | 180 | $0 |
| 2026-02-20 | NEWMARKET CORP (NEU) | Chairman, President & CEO | Buy | 180 | $0 |
| 2026-02-20 | NEWMARKET CORP (NEU) | Chairman, President & CEO | Buy | 180 | $0 |
| 2026-02-20 | NEWMARKET CORP (NEU) | Chairman, President & CEO | Buy | 60 | $0 |
| 2026-02-20 | NEWMARKET CORP (NEU) | Chairman, President & CEO | Buy | 120 | $0 |
| 2026-02-20 | NEWMARKET CORP (NEU) | Chairman, President & CEO | Buy | 180 | $0 |
| 2026-02-20 | NEWMARKET CORP (NEU) | Chairman, President & CEO | Buy | 180 | $0 |
| 2026-02-20 | NEWMARKET CORP (NEU) | Chairman, President & CEO | Buy | 180 | $0 |
| 2026-02-09 | NEWMARKET CORP (NEU) | Chairman, President & CEO | Buy | 655 | $0 |
| 2026-02-09 | NEWMARKET CORP (NEU) | Chairman, President & CEO | Sell | 203 | $145,121 |
| 2025-11-25 | NEWMARKET CORP (NEU) | Chairman, President & CEO | Sell | 264 | $0 |
| 2025-11-25 | NEWMARKET CORP (NEU) | Chairman, President & CEO | Buy | 51 | $0 |
| 2025-11-25 | NEWMARKET CORP (NEU) | Chairman, President & CEO | Buy | 51 | $0 |
| 2025-11-25 | NEWMARKET CORP (NEU) | Chairman, President & CEO | Buy | 51 | $0 |
| 2025-11-25 | NEWMARKET CORP (NEU) | Chairman, President & CEO | Buy | 51 | $0 |
| 2025-11-25 | NEWMARKET CORP (NEU) | Chairman, President & CEO | Sell | 46,175 | $0 |
Source: SEC Form 4 filings · as of 2026-06-08