| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Laura Benjamin | SVP & Chief Operating Officer | 5875 N. SAM HOUSTON PARKWAY W., SUITE 400, HOUSTON | /s/ Jennifer F. Simons, Attorney-in-fact for Benjamin Laura | 26 Feb 2026 | 0001805278 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OII | Common Stock | Tax liability | $206,608 | -5,551 | -6.6% | $37.22 | 79,087 | 24 Feb 2026 | Direct | |
| transaction | OII | Common Stock | Sale | $1,244,465 | -33,176 | -42% | $37.51 | 45,911 | 25 Feb 2026 | Direct | F1 |
| transaction | OII | Common Stock | Sale | $188,309 | -5,106 | -11% | $36.88 | 40,805 | 26 Feb 2026 | Direct | |
| holding | OII | Common Stock | 8,695 | 24 Feb 2026 | By 401(k) plan. |
| Id | Content |
|---|---|
| F1 | The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $37.315 to $37.760, inclusive. The issuer undertakes to provide, upon request by the SEC staff or a security holder of the issuer, full information regarding the number of shares purchased at each separate price within the range set forth in this Footnote to this Form 4. |