Oceaneering director proposes $285K share sale

The notice identifies restricted-stock vesting as the source of the shares and lists June 30, 2026 as the approximate sale date.

Accepted by SEC EDGAR 06/30/2026 - 01:21 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Oceaneering International Inc. (OII) director Deanna L. Goodwin reported a proposed sale of 7,000 common shares, with an aggregate market value of $284,858.22. The approximate sale date is June 30, 2026. The shares were acquired from the issuer through restricted stock vesting on February 25, 2023, as compensation.

Key Figures

Shares to be sold: 7,000 shares Aggregate market value: $284,858.22 Shares outstanding: 99,745,249 shares +1 more

4 metrics

Shares to be sold 7,000 shares Proposed sale of common shares

Aggregate market value $284,858.22 Shares proposed for sale

Shares outstanding 99,745,249 shares As stated in the securities information

Shares acquired 7,000 shares Restricted stock vesting on February 25, 2023

Key Terms

Restricted Stock Vesting, Aggregate Market Value, Number of Shares or Other Units Outstanding

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.

Number of Shares or Other Units Outstanding financial

"Number of Shares or Other Units Outstanding"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many shares are included in Deanna Goodwin’s proposed OII sale?

The proposed sale covers 7,000 common shares, with an aggregate market value of $284,858.22.

What is the approximate sale date for Deanna Goodwin’s OII shares?

The approximate sale date is June 30, 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	0001730316
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	GOODWIN DEANNA L
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	Director

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	7000	284858.22	99745249	06/30/2026	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	02/25/2023	Restricted Stock Vesting	Issuer			7000	02/25/2023	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	06/30/2026
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/ Jennifer Ruchti, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Deanna Goodwin
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)