NPK International Inc. (NPKI) — Insider Trading
Insider trading activity for NPK International Inc. sourced from SEC EDGAR Form 4 filings.
Overview
- Total insider trades: 42
- Last trade date: Sep 24, 2026
- Ticker: NPKI
Top Insiders
- Meer Claudia Michel — 1 trades, buy: $0, sell: $0
- LARSON RODERICK A. — 1 trades, buy: $0, sell: $0
- ROBESON ROSE M — 1 trades, buy: $0, sell: $0
- CUTILLO JOSEPH A — 1 trades, buy: $0, sell: $0
- MINGE JOHN C — 1 trades, buy: $0, sell: $0
Recent Trades
| Date | Insider | Ticker / Company | Type | Shares | Value |
|---|---|---|---|---|---|
| Sep 22, 2026 | Barton III Alvin James | NPKI NPK International Inc. | OTHER | 12,850 | N/A |
| Sep 9, 2026 | Warren Matthew James | NPKI NPK International Inc. | SELL | 2,991 | $40K |
| Sep 9, 2026 | MATTHEW WARREN | NNPKI NNPKI | SELL | 2,991 | $40K |
| Aug 27, 2026 | ROBESON ROSE M | NNPKI NNPKI | SELL | 10,000 | $135K |
| Aug 27, 2026 | ROBESON ROSE M | NNPKI NNPKI | SELL | 10,000 | $135K |
| Jun 8, 2026 | Briggs Lori | NPKI NPK International Inc. | SELL | 8,325 | $123K |
| Jun 3, 2026 | LANIGAN MATTHEW | NPKI NPK International Inc. | SELL | 167,375 | $2.4M |
| Jun 1, 2026 | Piontek Gregg | NPKI NPK International Inc. | OTHER | 40,379 | N/A |
| Jun 1, 2026 | Piontek Gregg | NPKI NPK International Inc. | OTHER | 40,379 | N/A |
| Jun 1, 2026 | Piontek Gregg | NPKI NPK International Inc. | OTHER | 11,241 | $161K |
| Jun 1, 2026 | Piontek Gregg | NPKI NPK International Inc. | OTHER | 15,889 | $227K |
| Jun 1, 2026 | Piontek Gregg | NPKI NPK International Inc. | OTHER | 8,959 | $128K |
| Jun 1, 2026 | LANIGAN MATTHEW | NPKI NPK International Inc. | OTHER | 100,188 | N/A |
| Jun 1, 2026 | LANIGAN MATTHEW | NPKI NPK International Inc. | OTHER | 100,188 | N/A |
| Jun 1, 2026 | LANIGAN MATTHEW | NPKI NPK International Inc. | OTHER | 39,423 | $564K |
| Jun 1, 2026 | LANIGAN MATTHEW | NPKI NPK International Inc. | OTHER | 27,894 | $399K |
| Jun 1, 2026 | LANIGAN MATTHEW | NPKI NPK International Inc. | OTHER | 22,232 | $318K |
| Jun 1, 2026 | Briggs Lori | NPKI NPK International Inc. | OTHER | 24,340 | N/A |
| Jun 2, 2026 | Briggs Lori | NPKI NPK International Inc. | SELL | 10,446 | $152K |
| Jun 1, 2026 | Briggs Lori | NPKI NPK International Inc. | OTHER | 24,340 | N/A |