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Matthew James Warren, Chief Accounting Officer at NPK International, sold NPKI on Sep 9, 2026

Data as of Oct 27

▼ SELL$40.1K2,991 shares at $13.41Matthew James Warren Chief Accounting OfficerNPKI NPK International Inc.
Watch NPKI
Traded
Sep 9, 2026
Disclosed
Sep 10, 2026
Filed
1 day after the trade

Form 4s are due within two business days.

Official filing (SEC Form 4) ↗

The price around the disclosure

Matthew James Warren, Chief Accounting Officer at NPK International, sold NPKI on Sep 9, 2026TRADEDDISCLOSED
NPKISimilar stocks (XLI — its sector index fund), rebased to NPKI's price on the disclosure day
NPKI since disclosure
−14.6%
after the sale
Similar stocks (XLI) since disclosure
−1.5%
XLI — its sector index fund

Change in closing price from Sep 10, 2026 (the first trading day on or after disclosure) to Oct 27, 2026. Dividends excluded. Not a return anyone earned.

Our take

None of our tested rules fired on this trade.

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