NPKI
NPK International Inc.
NPK International Inc. (NPKI) has 17 SEC Form 4 filings (30 transaction rows) in the rolling window, disclosed by 3 distinct insiders. Most recent filing: Jun 9, 2026.
Insiders have net sold $2.7M over the trailing 6 months.
- Industry:Oil & Gas Equipment & Services
- CEO:Matthew S. Lanigan
- Employees:460
- HQ:The Woodlands, TX, US
- IPO:1990-09-06
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$2.7M
reported sales (SEC code S)
Unique Insiders
3
in the rolling window
Market Cap
$1.3B
latest known value
| Source | ||||||
|---|---|---|---|---|---|---|
| VP & President, Ind. Solutions | Sale | 8,325 | $123K | Jun 9 | SEC ↗ | |
LANIGAN MATTHEWFirst filing | President & CEO | Sale | 167,375 | $2.4M | Jun 5 | SEC ↗ |
Briggs LoriFirst filing | VP & President, Ind. Solutions | Sale | 10,446 | $152K | Jun 3 | SEC ↗ |
Lewis Michael AFirst filing | Director | Sale | 2,013 | $31K | May 19 | SEC ↗ |
Related companies
NPK International Inc. is in the Services sector.