Martin J. McDonald

CIK: 0001661420

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
May 13, 2026
Sale(S)
Direct
43.9K shares at avg. $38.49$1.7M
OII
OCEANEERING INTERNATIONAL INC
May 12, 2026
Sale(S)
Direct
26.1K shares at avg. $38.33$999K
OII
OCEANEERING INTERNATIONAL INC
Feb 24, 2026
Tax Payment(F)
Direct
4.8K shares at avg. $37.22$180K
OII
OCEANEERING INTERNATIONAL INC
Feb 20, 2026
Award(A)
Performance Stock Units
Direct
10.1K shares-
OII
OCEANEERING INTERNATIONAL INC
Feb 20, 2026
Award(A)
Restricted Stock Units
Direct
10.1K shares-
OII
OCEANEERING INTERNATIONAL INC
Feb 25, 2025
Tax Payment(F)
Direct
3.3K shares at avg. $22.09$73K
OII
OCEANEERING INTERNATIONAL INC
Feb 24, 2025
Award(A)
Direct
11.5K shares-

		Type	Shares	Price		Ownership
May 13, 2026	OII OCEANEERING INTERNATIONAL INC	Sale(S)	43,947	$38.49	$1,691,520	Direct
May 12, 2026	OII OCEANEERING INTERNATIONAL INC	Sale(S)	26,053	$38.33	$998,611	Direct
Feb 24, 2026	OII OCEANEERING INTERNATIONAL INC	Tax Payment(F)	4,826	$37.22	$179,624	Direct
Feb 20, 2026	OII OCEANEERING INTERNATIONAL INC	Award(A) Performance Stock Units	10,111	-	-	Direct
Feb 20, 2026	OII OCEANEERING INTERNATIONAL INC	Award(A) Restricted Stock Units	10,111	-	-	Direct
Feb 25, 2025	OII OCEANEERING INTERNATIONAL INC	Tax Payment(F)	3,319	$22.09	$73,317	Direct
Feb 24, 2025	OII OCEANEERING INTERNATIONAL INC	Award(A)	11,484	-	-	Direct

1-7 of 7 transactions

About MCDONALD MARTIN J

MCDONALD MARTIN J (SEC CIK 0001661420) files insider reports with the SEC as SVP, Subsea Robotics of OCEANEERING INTERNATIONAL INC (OII).

Signal8 holds 4 ownership filings by MCDONALD MARTIN J, all Form 4s, filed between Feb 26, 2025 and May 14, 2026. Those filings report 7 transactions, from Feb 24, 2025 to May 13, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on MCDONALD MARTIN J's filings is in HOUSTON, TX.

Recent filings by MCDONALD MARTIN J

May 13, 2026: Open-market sale of OII shares (Form 4, code S).
May 12, 2026: Open-market sale of OII shares (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).

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