Rose M Robeson sold $135K of NPKI stock

Rose M Robeson, Dir of NPK International Inc. (NPKI), sold 10,000 shares of NPKI stock worth $135K, per an SEC Form 4 filed Aug 31, 2026.

The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.

The trade happened on Aug 27, 2026, 4 days before it was made public.

NPKI has moved -34.1% since the trade date, from $13.55 to $8.93 (Nov 9, 2026 close).