Who
Matthew Lanigan
President & CEO
Company insider
Files Form 4 as: President & CEO, NPK International.
In numbers
- Trades disclosed
- 133
- Buys
- 1
- Sells
- 5
- Bought
- $48K
- Sold
- $6.1M
- Companies
- 1
- Companies where not an officer
- 0
- First trade
- 22 Apr 2016
- Last trade
- 3 Jun 2026
- Last filed
- 5 Jun 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 3 Jun 2026filed 5 Jun 2026 | NPKI NPK InternationalBusiness Services | SEC FORM 4 Sold | $2.4M167,375 at $14.43 | filing |
| 3 Jun 2026filed 5 Jun 2026 | NPKI NPK InternationalBusiness Services | SEC FORM 4 Sold | $2.4M167,375 at $14.43 | filing |
| 1 Jun 2026filed 3 Jun 2026 | NPKI NPK InternationalBusiness Services | SEC FORM 4 Code F | $318K22,232 at $14.31 | filing |
| 1 Jun 2026filed 3 Jun 2026 | NPKI NPK InternationalBusiness Services | SEC FORM 4 Code F | $399K27,894 at $14.31 | filing |
| 1 Jun 2026filed 3 Jun 2026 | NPKI NPK InternationalBusiness Services | SEC FORM 4 Code F | $564K39,423 at $14.31 | filing |
| 1 Jun 2026filed 3 Jun 2026 | NPKI NPK Internationaloption or derivative · Business Services | SEC FORM 4 Code M | —100,188 at $0.00 | filing |
| 1 Jun 2026filed 3 Jun 2026 | NPKI NPK InternationalBusiness Services | SEC FORM 4 Code M | —100,188 at $0.00 | filing |
| 1 Jun 2026filed 3 Jun 2026 | NPKI NPK Internationaloption or derivative · Business Services | SEC FORM 4 Code M | —100,188 at $0.00 | filing |
| 1 Jun 2026filed 3 Jun 2026 | NPKI NPK InternationalBusiness Services | SEC FORM 4 Code F | $318K22,232 at $14.31 | filing |
| 1 Jun 2026filed 3 Jun 2026 | NPKI NPK InternationalBusiness Services | SEC FORM 4 Code F | $399K27,894 at $14.31 | filing |
| 1 Jun 2026filed 3 Jun 2026 | NPKI NPK InternationalBusiness Services | SEC FORM 4 Code F | $564K39,423 at $14.31 | filing |
| 1 Jun 2026filed 3 Jun 2026 | NPKI NPK InternationalBusiness Services | SEC FORM 4 Code M | —100,188 at $0.00 | filing |
| 19 May 2026filed 21 May 2026 | NPKI NPK InternationalBusiness Services | SEC FORM 4 Code A | —85,771 at $0.00 | filing |
| 19 May 2026filed 21 May 2026 | NPKI NPK InternationalBusiness Services | SEC FORM 4 Code A | —85,771 at $0.00 | filing |
| 3 Oct 2025filed 6 Oct 2025 | NPKI NPK InternationalBusiness Services | SEC FORM 4 Code G | —770,249 at $0.00 | filing |
| 3 Sep 2025filed 4 Sep 2025 | NPKI NPK Internationaloption or derivative · Business Services | SEC FORM 4 Code M | $10K1,000 at $10.38 | filing |
| 3 Sep 2025filed 4 Sep 2025 | NPKI NPK InternationalBusiness Services | SEC FORM 4 Code M | $4,3201,000 at $4.32 | filing |
| 3 Sep 2025filed 4 Sep 2025 | NPKI NPK InternationalBusiness Services | SEC FORM 4 Sold | $10K1,000 at $10.38 | filing |
| 22 Aug 2025filed 26 Aug 2025 | NPKI NPK Internationaloption or derivative · Business Services | SEC FORM 4 Code M | $712K68,896 at $10.34 | filing |
| 22 Aug 2025filed 26 Aug 2025 | NPKI NPK InternationalBusiness Services | SEC FORM 4 Code M | $298K68,896 at $4.32 | filing |
News
Critical Comparison: NPK International (NYSE:NPKI) vs. Transcat (NASDAQ:TRNS)NPKI · themarketsdaily.com · 18 Oct 2026Financial Review: NPK International (NYSE:NPKI) and Toromont Industries (OTCMKTS:TMTNF)NPKI · themarketsdaily.com · 15 Oct 2026
0 headlines in the last 90 days name Matthew Lanigan; 2 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.