Roderick A. Larson - 18 May 2026 Form 4 Insider Report for OCEANEERING INTERNATIONAL INC (OII)

Reporting relationship: President and CEO, Director
Issuer ticker: OII
Reported as of: 18 May 2026
Net transaction value: -$191,350
SEC form: 4
Accepted by SEC: 19 May 2026, 17:15:06 UTC
Prior SEC filing: 26 Feb 2026
Next SEC filing: 21 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Jennifer F. Simons, Attorney-in-Fact for Roderick A. Larson

Key filing fact

Roderick A. Larson filed Form 4 for OCEANEERING INTERNATIONAL INC (OII) on 19 May 2026.

Key facts

This page summarizes Roderick A. Larson's Form 4 filing for OCEANEERING INTERNATIONAL INC (OII).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 19 May 2026, 17:15.

Change

Previous filing in this sequence was filed on 26 Feb 2026.
Current net transaction value: -$191,350.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001550150 Primary reporting owner

LARSON RODERICK A.

Relationship: President and CEO, Director
Address: 5875 N. SAM HOUSTON PARKWAY W., SUITE 400, HOUSTON
Signature: /s/ Jennifer F. Simons, Attorney-in-Fact for Roderick A. Larson
Signature date: 19 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

OII transaction

Common Stock

Sale

Transaction value: $191,350
Shares: -5,000
Change %: -1.2%
Price: $38.27
Shares after: 397,279
Date: 18 May 2026
Ownership: LFV, LP
Footnotes: F1

OII holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 251,431
Date: 18 May 2026
Ownership: Direct

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

The reporting person disclaims beneficial ownership of all of the shares held indirectly through this entity except to the extent of the pecuniary interest held therein.