AlphaYouMJ
Insider selling
Matthew James Warren sold $40K of NPK International Inc. (NPKI) stock
Matthew James Warren, Chief Accounting Officer of NPK International Inc. (NPKI), sold 2,991 shares of NPKI stock worth $40K, per an SEC Form 4 filed Sep 10, 2026.
The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.
The trade happened on Sep 9, 2026, 1 day before it was made public.
NPKI has moved -7.6% since the trade date, from $13.50 to $12.48 (Sep 21, 2026 close).
- Traded
- Sep 9, 2026
- Disclosed
- Sep 10, 2026
- Filing delay
- 1 day
- Price since
- -7.6%
- Role
- Chief Accounting Officer
- 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.