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OCEANEERING INTERNATIONAL INC

For the period ended Dec 31, 2025. Filed Apr 2, 2026.

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What shareholders are asked to vote on at a company's meeting. It is where to find what directors and top executives are paid, and who owns the most shares.

Dec 31, 2025 · Filed Apr 2, 2026

OII$34.24+0.6%Stored close · as of Nov 6, 2026
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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the Securities

Exchange Act of 1934

Filed by the Registrantþ

Filed by a Party other than the Registrant¨

Check the appropriate box:

¨Preliminary Proxy Statement
¨Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
þDefinitive Proxy Statement
¨Definitive Additional Materials
¨Soliciting Material Pursuant to § 240.14a-12
OCEANEERING INTERNATIONAL, INC.
(Name of Registrant as Specified in its Charter)
(Name of Person(s) Filing Proxy Statement, if other than the Registrant)
Payment of Filing Fee (Check the appropriate box):
þNo fee required.
¨Fee paid previously with preliminary materials.
¨Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.

2026 Cover Art

Notice of 2026 Annual Meeting of Stockholders

Date and Time: Friday, May 15, 20268:30 A.M. Central TimeLocation: 5775 N. Sam Houston Pkwy. W.Houston, Texas 77086Who Can Vote:Stockholders of record at the close of business onMarch 23, 2026

Items of Business and Board of Directors Voting Recommendation:

1Election of Class I Directors: William B. Berry, Reema Poddar, and Jon Erik ReinhardsenFOR each of the nominees
2Advisory Vote to Approve Executive CompensationFOR
3Ratification of Appointment of Ernst & Young LLP as independent auditors of Oceaneering for the year ending December 31, 2026FOR

Sincerely,

Jennifer F. SimonsSenior Vice President, Chief Legal Officer and Secretary

April 2, 2026

Important Notice Regarding the Availability of Proxy Materials for the Stockholder Meeting to be Held on Friday,

May 15, 2026: The Notice of Meeting, Proxy Statement, and Annual Report on Form 10-K are available free of charge

atwww.proxydocs.com/OII and atinvestors.oceaneering.com.

Segment Overview

Subsea Robotics (SSR) includes our underwater robotics and automation capabilities by combining our Remotely Operated Vehicles (ROV), Survey, and ROV Tooling businesses.

Manufactured Products (MP) brings together our competencies and expertise in manufacturing, project management, and advanced technology product development, including in robotics and automation, to deliver subsea and surface products to energy and non-energy customers.

Offshore Projects Group (OPG) provides a broad portfolio of integrated subsea solutions for completions, construction, well intervention, inspection, maintenance, and repair activities that enhance the efficiency and capability of our customers’ assets.

Integrity Management & Digital Solutions (IMDS) leverages software, analytics, and services to establish optimized inspection and maintenance programs that promote the safety, efficiency, and cost-effectiveness of our customers’ programs and assets.

Aerospace and Defense Technologies (ADTech) provides services and products, including engineering and related manufacturing, principally for the U.S. Department of Defense and for government and commercial space customers.

Message from our Chief

Executive Officer

To our stockholders,

At Oceaneering, execution and accountability are central to

how we earn and maintain the trust and confidence of all our

stakeholders. These responsibilities are reflected in the day-

to-day decisions made by our global team of Oceaneers as

they work to do the right things, the right way, for the people

and communities that depend on us.

We are deliberate in the commitments we make and

disciplined in how we deliver on them. The same high

standards we hold ourselves to at our job sites around the

world guide the decisions we make on your behalf as

stockholders. This approach shapes our strategy, our capital

allocation priorities, and the investments we make to support

long-term performance.

You can see that discipline in the actions we have taken to

position Oceaneering for growth. We expanded our role as a

prime contractor on major U.S. government programs within our defense business. We also extended our

established inspection and visualization capabilities into subsea and offshore applications throughour acquisition

of Global Design Innovation Ltd. (GDi). And because much of our work takes place in harsh environments where

discipline and accountability are essential, I am especially proud of ourteam’s safety performance, including a

record-low safety incident rate of 0.22 in 2025.

On behalf of our Board of Directors, our leadership team, and all Oceaneers around the world, thank you for your

continued trust and confidence. I encourage you to review the proxy materials, and I look forward to speaking with

you at our 2026 Annual Meeting of Stockholders.

Regards,

Roderick A. LarsonPresident and Chief Executive Officer

Oceaneering Core Values

Do Things RightWe work safely and act with integrity in the best interest of our industry partners, employees, and the environment.Outperform ExpectationsWe perform with excellence to serve our customers and each other.
Solve Complex ProblemsWe provide products and services that work through listening, experience, and curiosity.Own the ChallengeWe hold ourselves accountable for the promises we make and work we do.

Grow Together

We collaborate, respect, and support

each other so we can reach our full

potential.

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.