Dudediligence.

NPK International Inc

NPKINYSE · Services-Miscellaneous Equipment Rental & Leasing
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Last 12 months

Sales planned on beside the trades reported on , and whether each names a .

Planned ·

$5,565,868

10 notices · 394,985 sh

Oct 2025 to Oct 2026

Reported ·

$5,628,037

16 sales · 0 buys

Oct 2025 to Sep 2026

The two figures cover different periods.

All 16 reported sales carry the 10b5-1 box. Together they are 0.46% of the shares on issue.

PLANNED · FORM 144Oct 2025 to Oct 2026REPORTED · FORM 4Oct 2025 to Sep 2026N2025DJ2026FMAMJJASO2026-09-09: MATTHEW WARREN, Form 1442026-08-27: ROBESON ROSE M, Form 1442026-08-17: MICHAEL LEWIS, Form 1442026-06-08: LORI BRIGGS, Form 1442026-06-03: MATTHEW LANIGAN, Form 1442026-06-02: LORI BRIGGS, Form 1442026-05-15: MICHAEL LEWIS, Form 1442026-03-06: MARY C FRUGE, Form 1442026-03-04: GREGG PIONTEK, Form 1442025-11-24: MICHAEL LEWIS, Form 1442025-11-24: Lewis Michael A, sold2026-02-23: Lewis Michael A, sold2026-03-04: Piontek Gregg, sold2026-03-06: Fruge Mary Celeste, sold2026-03-16: Fruge Mary Celeste, sold2026-03-25: Piontek Gregg, sold2026-04-01: Piontek Gregg, sold2026-04-09: Piontek Gregg, sold2026-05-15: Lewis Michael A, sold2026-06-02: Briggs Lori, sold2026-06-03: LANIGAN MATTHEW, sold2026-06-08: Briggs Lori, sold2026-08-17: Lewis Michael A, sold2026-08-27: ROBESON ROSE M, sold2026-09-09: Warren Matthew James, sold
under a ▼ salesize is dollars

Form 144 notices, newest first

2026-09-09MATTHEW WARREN, Chief Accounting Officer$40,379
2,991 shplan 2025-12-17144 ↗
Form 4, 2026-09-10: sold 2,991 at $13.41 Form 4 ↗
2026-08-27ROBESON ROSE M, Director$134,917
10,000 shplan 2026-05-27144 ↗
Form 4, 2026-08-31: sold 10,000 at $13.49 Form 4 ↗
2026-08-17MICHAEL LEWIS, Director$57,250
4,026 shplan 2025-03-07144 ↗
Form 4, 2026-08-19: sold 2,013 at $14.26 Form 4 ↗
2026-06-08LORI BRIGGS, VP & President, Ind. Solutions$118,881
8,325 shplan 2025-12-15144 ↗
Form 4, 2026-06-09: sold 8,325 at $14.75 Form 4 ↗
2026-06-03MATTHEW LANIGAN, President & CEO$2,442,001
167,375 shplan 2026-03-04144 ↗
Form 4, 2026-06-05: sold 167,375 at $14.43 Form 4 ↗
2026-06-02LORI BRIGGS, VP & President, Ind. Solutions$149,482
10,446 shplan 2025-12-15144 ↗
Form 4, 2026-06-03: sold 10,446 at $14.58 Form 4 ↗
2026-05-15MICHAEL LEWIS, Director$31,624
2,013 shplan 2025-03-07144 ↗
Form 4, 2026-05-19: sold 2,013 at $15.30 Form 4 ↗
2026-03-06MARY C FRUGE, VP, General Counsel$168,507
12,193 shplan 2025-12-05144 ↗
Form 4, 2026-03-10: sold 11,193 at $13.34 Form 4 ↗
2026-03-04GREGG PIONTEK, Senior Vice President and CFO$2,376,447
173,590 shplan 2025-12-03144 ↗
Form 4, 2026-03-05: sold 108,590 at $14.07 Form 4 ↗
2025-11-24MICHAEL LEWIS, Director$46,380
4,026 shplan 2025-03-07144 ↗
Form 4, 2025-11-25: sold 2,013 at $12.00 Form 4 ↗