| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| MCDONALD MARTIN J | SVP, Subsea Robotics | 5875 N. SAM HOUSTON PARKWAY W., SUITE 400, HOUSTON | /s/ Jennifer F. Simons, Attorney-in-Fact for Martin J. McDonald | 26 Feb 2026 | 0001661420 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OII | Common Stock | Tax liability | $179,624 | -4,826 | -3.9% | $37.22 | 119,229 | 24 Feb 2026 | Direct |