CIK 0000071829 · Accelerated filer
NPK International Inc.
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- NPKI
- Exchange
- NYSE
- Industry
- Services-Miscellaneous Equipment Rental & Leasing
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 721123385
- Phone
- 281-362-6800
- Business address
- 9320 LAKESIDE BOULEVARD, SUITE 100, THE WOODLANDS, TX, 77381
- Former names
- NEWPARK RESOURCES INC
- Open-market buys, last 90 days
- $138,600
- in 1 filing
- Open-market sales, last 90 days
- $203,735
- in 3 filings, $204K under 10b5-1 plans
Net −$65,135. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-11-02 | MINGE JOHN C Director | Purchase | +15,000 | $9.24 | $139K | 268,942 |
| 2026-09-22 | Barton III Alvin James EVP Commercial Growth & Ops. | Grant or award | +12,850 | 12,850 | ||
| 2026-09-09 | Warren Matthew James Chief Accounting Officer | Sale 10b5-1 | −2,991 | $13.41 | $40K | 51,439 |
| 2026-08-27 | ROBESON ROSE M Director | Sale 10b5-1 | −10,000 | $13.49 | $135K | 215,147 |
| 2026-08-17 | Lewis Michael A Director | Sale 10b5-1 | −2,013 | $14.26 | $29K | 135,865 |
| 2026-07-28 | Pederson Kristen J. Director | Grant or award | +6,614 | 6,614 | ||
| 2026-06-08 | Briggs Lori VP & President, Ind. Solutions | Sale 10b5-1 | −8,325 | $14.75 | $123K | 247,165 |
| 2026-06-03 | LANIGAN MATTHEW President & CEO | Sale 10b5-1 | −167,375 | $14.43 | $2.4M | 254,699 |
| 2026-06-02 | Briggs Lori VP & President, Ind. Solutions | Sale 10b5-1 | −10,446 | $14.58 | $152K | 255,490 |
| 2026-06-01 | Fruge Mary Celeste VP, General Counsel | Shares withheld for taxes | −3,833 | $14.31 | $55K | 279,382 |
| 2026-06-01 | Fruge Mary Celeste VP, General Counsel | Shares withheld for taxes | −5,218 | $14.31 | $75K | 274,164 |
| 2026-06-01 | Fruge Mary Celeste VP, General Counsel | Shares withheld for taxes | −6,797 | $14.31 | $97K | 267,367 |
| 2026-06-01 | Fruge Mary Celeste VP, General Counsel | Option exercise | +17,274 | 284,641 | ||
| 2026-06-01 | Fruge Mary Celeste VP, General Counsel | Option exercise · Restricted Stock Units | −17,274 | 0 | ||
| 2026-06-01 | Briggs Lori VP & President, Ind. Solutions | Shares withheld for taxes 10b5-1 | −5,401 | $14.31 | $77K | 257,950 |
| 2026-06-01 | Briggs Lori VP & President, Ind. Solutions | Shares withheld for taxes 10b5-1 | −9,577 | $14.31 | $137K | 248,373 |
| 2026-06-01 | Briggs Lori VP & President, Ind. Solutions | Shares withheld for taxes 10b5-1 | −6,777 | $14.31 | $97K | 241,596 |
| 2026-06-01 | Briggs Lori VP & President, Ind. Solutions | Option exercise 10b5-1 | +24,340 | 265,936 | ||
| 2026-06-01 | Briggs Lori VP & President, Ind. Solutions | Option exercise · Restricted Stock Units 10b5-1 | −24,340 | 0 | ||
| 2026-06-01 | LANIGAN MATTHEW President & CEO | Shares withheld for taxes | −22,232 | $14.31 | $318K | 389,203 |
Page 1 of 12 · 234 trades