August 22, 2025 · Form 4 insider transaction
LANIGAN MATTHEW bought 68,896 shares of NPK INTERNATIONAL INC at $4.32 per share, a transaction worth $297.6K. The trade was recorded as option exercise under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 4 days after the transaction.
The reported sale of 68,896 shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 23, 2025.