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Insider selling
Gregg Piontek sold $226K of NPK International Inc. (NPKI) stock
Gregg Piontek, Senior Vice President and CFO of NPK International Inc. (NPKI), sold 15,000 shares of NPKI stock worth $226K, per an SEC Form 4 filed Apr 10, 2026.
It was an open-market sale.
The trade happened on Apr 9, 2026, 1 day before it was made public.
NPKI has moved -17.0% since the trade date, from $15.03 to $12.48 (Sep 21, 2026 close).
- Traded
- Apr 9, 2026
- Disclosed
- Apr 10, 2026
- Filing delay
- 1 day
- Price since
- -17.0%
- Role
- Senior Vice President and CFO
- Source
- SEC Form 4
More NPKI insider and Congress trades
From a public SEC Form 4, linked above. Not investment advice, and not a recommendation to buy or sell.