Catherine E. Dunn

CIK: 0002001487

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)2 (28.6%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)3 (42.9%)

Compensation grants

Other (G, F, J, C, D, …)2 (28.6%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

OII

OCEANEERING INTERNATIONAL INC

Officer

Discretionary Trading P&L

Holdings

Transaction History (7 total)

OII
OCEANEERING INTERNATIONAL INC
Feb 25, 2026
Sale(S)
Direct
2.9K shares at avg. $37.97$109K
OII
OCEANEERING INTERNATIONAL INC
Feb 25, 2026
Sale(S)
Indirect
6.2K shares at avg. $37.52$233K
OII
OCEANEERING INTERNATIONAL INC
Feb 24, 2026
Tax Payment(F)
Direct
575 shares at avg. $37.22$21K
OII
OCEANEERING INTERNATIONAL INC
Feb 20, 2026
Award(A)
Restricted Stock Units
Direct
3.3K shares-
OII
OCEANEERING INTERNATIONAL INC
Feb 20, 2026
Award(A)
Performance Stock Units
Direct
3.3K shares-
OII
OCEANEERING INTERNATIONAL INC
Feb 25, 2025
Tax Payment(F)
Direct
638 shares at avg. $22.09$14K
OII
OCEANEERING INTERNATIONAL INC
Feb 24, 2025
Award(A)
Direct
2.6K shares-

		Type	Shares	Price		Ownership
Feb 25, 2026	OII OCEANEERING INTERNATIONAL INC	Sale(S)	2,866	$37.97	$108,808	Direct
Feb 25, 2026	OII OCEANEERING INTERNATIONAL INC	Sale(S)	6,204	$37.52	$232,774	Indirect
Feb 24, 2026	OII OCEANEERING INTERNATIONAL INC	Tax Payment(F)	575	$37.22	$21,402	Direct
Feb 20, 2026	OII OCEANEERING INTERNATIONAL INC	Award(A) Restricted Stock Units	3,317	-	-	Direct
Feb 20, 2026	OII OCEANEERING INTERNATIONAL INC	Award(A) Performance Stock Units	3,317	-	-	Direct
Feb 25, 2025	OII OCEANEERING INTERNATIONAL INC	Tax Payment(F)	638	$22.09	$14,093	Direct
Feb 24, 2025	OII OCEANEERING INTERNATIONAL INC	Award(A)	2,588	-	-	Direct

1-7 of 7 transactions

About Dunn Catherine E

Dunn Catherine E (SEC CIK 0002001487) files insider reports with the SEC as VP, Chief Accounting Officer of OCEANEERING INTERNATIONAL INC (OII).

Signal8 holds 3 ownership filings by Dunn Catherine E, all Form 4s, filed between Feb 26, 2025 and Feb 26, 2026. Those filings report 7 transactions, from Feb 24, 2025 to Feb 25, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Dunn Catherine E's filings is in HOUSTON, TX.

Recent filings by Dunn Catherine E

Feb 25, 2026: Open-market sales of OII shares (2 lines, Form 4, code S).
Feb 24, 2026: Tax withholding of OII shares (Form 4, code F).
Feb 20, 2026: Grants or awards of OII derivative securities (2 lines, Form 4, code A).
Feb 25, 2025: Tax withholding of OII shares (Form 4, code F).
Feb 24, 2025: Grant or award of OII shares (Form 4, code A).

Other insiders filing for OCEANEERING INTERNATIONAL INC (OII)

LARSON RODERICK A., President and CEO
MURPHY PAUL B JR, Director
DYER CHRISTOPHER J, SVP, OPGroup
MCEVOY M KEVIN, Director
Childress Earl, SVP, Chief Commercial Ofc.
GOODWIN DEANNA L, Director

How to read Form 4 transaction codes