NPK INTERNTNL INC (NPKI) insider trading activity (SEC Form 4). Over the trailing 90 days, NPKI insiders filed 0 purchases totalling $0 and 4 sales totalling $2.7M — net SELLING of $2.7M. Most recent filing: Jun 9, 2026. Insider transactions are a Pro-tier alertable signal in the live Top Tier Newswire terminal — Form 4 filings reach the wire within minutes of acceptance by the SEC. Data shown publicly here is delayed 4 hours.
| Filed | Insider | Role | Type | Shares | Price | Value | |
|---|---|---|---|---|---|---|---|
| Jun 9, 2026 | Briggs Lori | VP, Pres, Ind. Solutions | S Sale | — | $14.75 | $123K | filing |
| Jun 5, 2026 | Lanigan Matthew | Pres, CEO | S Sale | — | $14.43 | $2.4M | filing |
| Jun 3, 2026 | Briggs Lori | VP, Pres, Ind. Solutions | S SaleOE | — | $14.58 | $152K | filing |
| May 19, 2026 | Lewis Michael A | Dir | S Sale | — | $15.30 | $31K | filing |