Catherine E. Dunn - 20 Feb 2026 Form 4 Insider Report for OCEANEERING INTERNATIONAL INC (OII)

Role
VP, Chief Accounting Officer
Signature
/s/ Jennifer F. Simons, Attorney-in-Fact for Catherine E. Dunn
Issuer symbol
OII
Transactions as of
20 Feb 2026
Net transactions value
$0
Form type
4
Filing time
24 Feb 2026, 18:12:12 UTC
Previous filing
26 Feb 2025
Next filing
26 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Dunn Catherine E VP, Chief Accounting Officer 5875 N. SAM HOUSTON PARKWAY, W., SUITE 400, HOUSTON /s/ Jennifer F. Simons, Attorney-in-Fact for Catherine E. Dunn 24 Feb 2026 0002001487

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction OII Performance Stock Units Award $0 +3,317 $0.000000 3,317 20 Feb 2026 Common Stock 3,317 Direct F1
transaction OII Restricted Stock Units Award $0 +3,317 $0.000000 3,317 20 Feb 2026 Common Stock 3,317 Direct F2, F3, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each performance stock unit represents a contingent right to receive between zero and two shares of the Company's common stock. The performance stock units vest upon achievement of specific target levels of performance.
F2 Each restricted stock unit represents a contingent right to receive one share of the Company's common stock.
F3 The restricted stock units vest in three equal annual installments on each of February 20, 2027, 2028 and 2029.
F4 The reported transaction involved the receipt of a grant of restricted stock units by the reported person. The total reported in Column 9 excludes unvested restricted stock units that were granted in previous years, as the reporting person has previously reported awards of restricted stock units in Table I of Form 4.