Briggs Lori (CIK 1880836) reported 17 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-09). Recent activity: Sell NPKI (8,325 shares), Sell NPKI (6,777 shares), Sell NPKI (5,401 shares), Sell NPKI (9,577 shares), Buy NPKI (24,340 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-09 | NPK International Inc. (NPKI) | VP & President, Ind. Solutions | Sell | 8,325 | $122,790 |
| 2026-06-03 | NPK International Inc. (NPKI) | VP & President, Ind. Solutions | Sell | 6,777 | $96,979 |
| 2026-06-03 | NPK International Inc. (NPKI) | VP & President, Ind. Solutions | Sell | 5,401 | $77,288 |
| 2026-06-03 | NPK International Inc. (NPKI) | VP & President, Ind. Solutions | Sell | 9,577 | $137,047 |
| 2026-06-03 | NPK International Inc. (NPKI) | VP & President, Ind. Solutions | Buy | 24,340 | $0 |
| 2026-06-03 | NPK International Inc. (NPKI) | VP & President, Ind. Solutions | Sell | 10,446 | $152,278 |
| 2026-05-21 | NPK International Inc. (NPKI) | VP & President, Ind. Solutions | Buy | 20,838 | $0 |
| 2025-10-03 | NPK International Inc. (NPKI) | VP & President, Ind. Solutions | Sell | 10,108 | $116,343 |
| 2025-08-12 | NPK International Inc. (NPKI) | VP & President, Ind. Solutions | Sell | 8,005 | $76,128 |
| 2025-07-10 | NPK International Inc. (NPKI) | VP & President, Ind. Solutions | Sell | 8,005 | $68,603 |
| 2025-06-10 | NPK International Inc. (NPKI) | VP & President, Ind. Solutions | Sell | 9,704 | $81,320 |
| 2025-06-03 | NPK International Inc. (NPKI) | VP & President, Ind. Solutions | Buy | 26,396 | $0 |
| 2025-06-03 | NPK International Inc. (NPKI) | VP & President, Ind. Solutions | Buy | 24,340 | $0 |
| 2025-06-03 | NPK International Inc. (NPKI) | VP & President, Ind. Solutions | Sell | 5,401 | $43,694 |
| 2025-06-03 | NPK International Inc. (NPKI) | VP & President, Ind. Solutions | Sell | 9,577 | $77,478 |
| 2025-06-03 | NPK International Inc. (NPKI) | VP & President, Ind. Solutions | Sell | 10,386 | $84,023 |
| 2025-05-16 | NPK International Inc. (NPKI) | VP & President, Ind. Solutions | Buy | 51,667 | $0 |
Source: SEC Form 4 filings · as of 2026-06-09