Who
Matthew James Warren
Chief Accounting Officer
Company insider
Files Form 4 as: Chief Accounting Officer, NPK International.
In numbers
- Trades disclosed
- 2
- Buys
- 0
- Sells
- 1
- Bought
- $0
- Sold
- $80K
- Companies
- 1
- Companies where not an officer
- 0
- First trade
- 9 Sep 2026
- Last trade
- 9 Sep 2026
- Last filed
- 10 Sep 2026
Companies traded
Activity over time
1 Sep – 1 Oct
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 9 Sep 2026filed 10 Sep 2026 | NPKI NPK InternationalBusiness Services | SEC FORM 4 Sold | $40K2,991 at $13.41 | filing |
| 9 Sep 2026filed 10 Sep 2026 | NPKI NPK InternationalBusiness Services | SEC FORM 4 Sold | $40K2,991 at $13.41 | filing |
News
NPK International (NYSE:NPKI) Sets New 12-Month Low – What's Next?NPKI · themarketsdaily.com · 24 Oct 2026Critical 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 James Warren; 3 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.