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Warren Matthew James

Chief Accounting Officer

Open-market buys
0
$0 total
Open-market sells
1
$40K total
Tracking since
Sep 2026
Open-market sale — $40K
NPK International Inc. · Sep 9, 2026
Open-market trades from the last two years.
51,439 Common Stock in NPKI
Held directly · as of 2026-09-09
NPK International Inc.
CIK 0000071829