NPK International Inc. (NPKI) has 4 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 3 sales totalling $204K. Most recent filing: Sept. 10, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
|---|---|---|---|---|---|---|
| Sept. 10, 2026 filed Sept. 9, 2026 | Warren Matthew James Chief Accounting Officer | −$40,113 | 2,991 | −5% | Yes | |
|
|
||||||
| Aug. 31, 2026 filed Aug. 27, 2026 | ROBESON ROSE M Director | −$134,917 | 10,000 | −4% | Yes | |
|
|
||||||
| Aug. 19, 2026 filed Aug. 17, 2026 | Lewis Michael A Director | −$28,705 | 2,013 | −1% | Yes | |
|
|
||||||
| July 29, 2026 filed July 28, 2026 | Pederson Kristen J. Director | $0 | 6,614 | New | No | |
|
|
||||||
Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.
Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.
Start free