Form 4 Tracker
Roderick A. Larson

Director; Director, President and CEO · 5 filings · Latest: Oct 1, 2026

NPK International Inc.
OCEANEERING INTERNATIONAL INC
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
OII
Roderick A. LarsonDirector, President and CEOOct 1, 2026
Sale
$44.166,000$265.0K391,279
OII
Roderick A. Larson—Oct 1, 2026
Proposed Sale
$43.6318,000$785.3K—
OII
Roderick A. LarsonDirector, President and CEOMay 18, 2026
Sale
$38.275,000$191.4K397,279
OII
Roderick A. Larson—May 18, 2026
Proposed Sale
$37.845,000$189.2K—