| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Earle Edward Chipman | EVP & GENERAL COUNSEL | 2940 RIVERBY ROAD, SUITE 400, HOUSTON | /s/ E. Chipman Earle | 16 Sep 2025 | 0001555362 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ORN | Common Stock | Award | $9,486 | +2,000 | +1.6% | $4.74 | 130,758 | 15 Sep 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | These shares were acquired under the Orion Group Holdings, Inc. Employee Stock Purchase Plan in transactions that were exempt under Rule 16b-3(c). |