Orion Group Holdings CFO Alison Vasquez Sells 2,325 Shares for Tax Withholding

This Form 4 filing reports that Alison G. Vasquez, Executive Vice President and CFO of Orion Group Holdings Inc (ORN), disposed of 2,325 shares of common stock on June 23, 2026. The shares were sold at $15.56 per share, resulting in total proceeds of approximately $36,177. The transaction was a mandatory sale to satisfy tax withholding obligations related to the vesting of 9,546 restricted shares that were granted to Vasquez on June 23, 2025. Following this transaction, Vasquez retains 7,221 shares from the original award and holds a total of 55,282 shares in the company. The filing clarifies that this was not a discretionary sale but rather a required tax withholding transaction. The reporting person signed the filing on June 25, 2026, and the transaction was reported under the standard Form 4 requirements for insider transactions.