Oceaneering officer proposes $315K share sale

The shares are listed as acquired through restricted stock vesting, with the newest listed lot acquired February 24, 2026.

Accepted by SEC EDGAR 02/25/2026 - 11:53 AM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Oceaneering International Inc. (OII) officer Leonardo Peixoto Granato gave notice of a proposed sale of 8,415 common shares, with an aggregate market value of $315,346.31 and an approximate sale date of February 25, 2026. The notice lists 99,393,743 common shares outstanding and identifies restricted stock vesting as the acquisition method for five lots, most recently 3,850 shares acquired February 24, 2026.

Key Figures

Common shares to be sold: 8,415 shares Aggregate market value: $315,346.31 Common shares outstanding: 99,393,743 shares +5 more

8 metrics

Common shares to be sold 8,415 shares Proposed sale; approximate sale date February 25, 2026

Aggregate market value $315,346.31 For the common shares to be sold

Common shares outstanding 99,393,743 shares Number reported in the notice

Shares acquired through restricted stock vesting 597 shares Acquired February 15, 2019

Shares acquired through restricted stock vesting 653 shares Acquired February 21, 2020

Shares acquired through restricted stock vesting 1,459 shares Acquired February 27, 2023

Shares acquired through restricted stock vesting 1,856 shares Acquired February 26, 2024

Shares acquired through restricted stock vesting 3,850 shares Acquired February 24, 2026

Key Terms

Restricted Stock Vesting, Aggregate Market Value, Approximate Date of Sale

3 terms

Restricted Stock Vesting financial

"Nature of Acquisition Transaction: Restricted Stock Vesting"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

Aggregate Market Value financial

"Aggregate Market Value"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

Approximate Date of Sale financial

"Approximate Date of Sale"

FAQ

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How many OII shares did officer Leonardo Peixoto Granato report for sale?

Leonardo Peixoto Granato, an officer of Oceaneering International Inc., gave notice of a proposed sale of 8,415 common shares, with an aggregate market value of $315,346.31 and an approximate sale date of February 25, 2026.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001949218
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	OCEANEERING INTERNATIONAL INC
SEC File Number	001-10945
Address of Issuer	5875 NORTH SAM HOUSTON PARKWAY WEST SUITE 400 HOUSTON TEXAS 77086
Phone	713-329-4500
Name of Person for Whose Account the Securities are To Be Sold	GRANATO LEONARDO P
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	8415	315346.31	99393743	02/25/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	02/15/2019	Restricted Stock Vesting	Issuer			597	02/15/2019	Compensation
Common	02/21/2020	Restricted Stock Vesting	Issuer			653	02/21/2020	Compensation
Common	02/27/2023	Restricted Stock Vesting	Issuer			1459	02/27/2023	Compensation
Common	02/26/2024	Restricted Stock Vesting	Issuer			1856	02/26/2024	Compensation
Common	02/24/2026	Restricted Stock Vesting	Issuer			3850	02/24/2026	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	02/25/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Jessica Spraker, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Leonardo Peixoto Granato.
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)