NPK International (NPKI)
Rents and sells recyclable composite mats for temporary worksite access.
$11.86
vs last close+0.12 (+1.02%)
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13F · 13D/G · Form 4
| Insiders | 3.66% | 3.11M shares | |
|---|---|---|---|
| 14 holders · as of Sep 10, 2026 | |||
| Strategic holders | 6.18% | 5.25M shares | |
| 1 holder · as of Nov 14, 2025 | |||
| Other | 90.16% | 76.55M shares | |
| remainder | |||
84.91M company shares as of Sep 23, 2026 · holders as of their latest filing
13F
No 13F holders on record.
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Ameriprise Financial, Inc. | 6.20% | 5.25M | 13G | Nov 14, 2025 |
| Vanguard Capital Management | 5.01% | 4.24M | 13G | Jul 31, 2026 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Sep 9, 2026 | Matthew James Warrenofficer: Chief Accounting Officer | Sale | 2,991 | $13.41 | 51,439 |
| Aug 27, 2026 | Rose M. Robesondirector | Sale | 10,000 | $13.49 | 215,147 |
| Aug 17, 2026 | Michael A. Lewisdirector | Sale | 2,013 | $14.26 | 135,865 |
| Jun 8, 2026 | Lori Briggsofficer: VP & President, Ind. Solutions | Sale | 8,325 | $14.75 | 247,165 |
| Jun 3, 2026 | Matthew Lanigandirector, officer: President & CEO | Sale | 167,375 | $14.43 | 254,699 |
| Jun 2, 2026 | Lori Briggsofficer: VP & President, Ind. Solutions | Sale | 10,446 | $14.58 | 255,490 |
| May 15, 2026 | Michael A. Lewisdirector | Sale | 2,013 | $15.30 | 129,320 |
| Apr 9, 2026 | Gregg Piontekofficer: Senior Vice President and CFO | Sale | 15,000 | $15.05 | 819,326 |
| Apr 1, 2026 | Gregg Piontekofficer: Senior Vice President and CFO | Sale | 35,000 | $14.51 | 834,326 |
| Mar 25, 2026 | Gregg Piontekofficer: Senior Vice President and CFO | Sale | 15,000 | $15.03 | 869,326 |
House and Senate disclosures
Not reported.