MarketPeel
Pricing
…
VP, General Counsel
Mary Celeste Fruge
Mon, Jun 1, 2026
Jun 1
exercised or converted securities in NPKI
17,274 shares @ $0.00
Increased holdings by +6.50%
NPKINPK International Inc.
EnergyOil & Gas Equipment & Services
1D0.00%
1W-4.47%
1M-4.67%
3M-14.23%
6M—
1Y—

Recent insider activity at NPKI

Aug 17Michael A. LewisSold$28.71kJun 8Lori BriggsSold$122.79kJun 3Matthew LaniganSold$2.42mJun 2Lori BriggsSold$152.28kMay 15Michael A. LewisSold$30.80kApr 9Gregg PiontekSold$225.68kApr 1Gregg PiontekSold$507.86kMar 25Gregg PiontekSold$225.38k
Full NPKI profile →Mary Celeste Fruge’s trading history →
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