Roderick A. Larson

Director; Director, President and CEO · 2 filings · Latest: May 20, 2026

NPK International Inc.

OCEANEERING INTERNATIONAL INC

Ticker	Owner	Relationship	Date	Transaction	Cost	#Shares	Value ($)	#Shares Total	SEC Form 4
NPKI	Roderick A. Larson	Director	May 20, 2026	Grant/Award	$0.00	8,558	—	23,655	May 21 5:14 PM
OII	Roderick A. Larson	Director, President and CEO	May 18, 2026	Sale	$38.27	5,000	$191.4K	397,279	May 19 5:15 PM