| Date | Time | Source | Headline | Symbol | Company |
| 05/20/2024 | 5:40PM | Edgar (US Regulatory) | Form 4 - Statement of changes in beneficial ownership of securities | NYSE:ORN | Orion Group Holdings Inc |
| 05/20/2024 | 6:29AM | Edgar (US Regulatory) | Form S-3 - Registration statement under Securities Act of 1933 | NYSE:ORN | Orion Group Holdings Inc |
| 05/17/2024 | 5:16PM | Edgar (US Regulatory) | Form S-8 - Securities to be offered to employees in employee benefit plans | NYSE:ORN | Orion Group Holdings Inc |
| 05/17/2024 | 4:44PM | Edgar (US Regulatory) | Form 8-K - Current report | NYSE:ORN | Orion Group Holdings Inc |
| 05/09/2024 | 4:05PM | GlobeNewswire Inc. | Orion Group Holdings Announces Significant Contract Award for Port Everglades Bulkhead Replacement Project | NYSE:ORN | Orion Group Holdings Inc |
| 04/24/2024 | 4:05PM | GlobeNewswire Inc. | Orion Group Holdings Reports First Quarter 2024 Results | NYSE:ORN | Orion Group Holdings Inc |
| 04/09/2024 | 4:05PM | GlobeNewswire Inc. | Orion Group Holdings, Inc. to Report First Quarter 2024 Financial Results on Wednesday, April 24 | NYSE:ORN | Orion Group Holdings Inc |
| 03/25/2024 | 4:59PM | GlobeNewswire Inc. | Orion Group Holdings, Inc. Announces Retirement of Board Member | NYSE:ORN | Orion Group Holdings Inc |
| 03/04/2024 | 5:55PM | Edgar (US Regulatory) | Form 4 - Statement of changes in beneficial ownership of securities | NYSE:ORN | Orion Group Holdings Inc |
| 03/04/2024 | 5:52PM | Edgar (US Regulatory) | Form 4 - Statement of changes in beneficial ownership of securities | NYSE:ORN | Orion Group Holdings Inc |
| 02/28/2024 | 4:05PM | GlobeNewswire Inc. | Orion Group Holdings Reports Fourth Quarter and Full Year 2023 Results | NYSE:ORN | Orion Group Holdings Inc |
| 02/20/2024 | 4:15PM | Edgar (US Regulatory) | Form 8-K - Current report | NYSE:ORN | Orion Group Holdings Inc |
| 02/08/2024 | 7:30AM | GlobeNewswire Inc. | Orion Group Holdings, Inc. to Report Fourth Quarter and Full Year 2023 Financial Results on Wednesday, February 28 | NYSE:ORN | Orion Group Holdings Inc |
| 01/29/2024 | 7:00AM | GlobeNewswire Inc. | Orion Group Holdings, Inc. Rebrands TAS Concrete Construction to Orion | NYSE:ORN | Orion Group Holdings Inc |
| 12/04/2023 | 10:54AM | Edgar (US Regulatory) | Form 8-K - Current report | NYSE:ORN | Orion Group Holdings Inc |
| 11/30/2023 | 4:04PM | GlobeNewswire Inc. | Orion Group Holdings, Inc. to Present at Noble Capital Markets' 19th Annual Emerging Growth Equity Conference on December 4 | NYSE:ORN | Orion Group Holdings Inc |
| 11/28/2023 | 9:59AM | Edgar (US Regulatory) | Form 4 - Statement of changes in beneficial ownership of securities | NYSE:ORN | Orion Group Holdings Inc |
| 11/28/2023 | 9:58AM | Edgar (US Regulatory) | Form 3 - Initial statement of beneficial ownership of securities | NYSE:ORN | Orion Group Holdings Inc |
| 11/28/2023 | 9:56AM | Edgar (US Regulatory) | Form 8-K - Current report | NYSE:ORN | Orion Group Holdings Inc |
| 11/28/2023 | 7:00AM | GlobeNewswire Inc. | Orion Group Holdings, Inc. Names Chip Earle as General Counsel | NYSE:ORN | Orion Group Holdings Inc |
| 10/27/2023 | 2:06PM | Edgar (US Regulatory) | Form 10-Q - Quarterly report [Sections 13 or 15(d)] | NYSE:ORN | Orion Group Holdings Inc |
| 10/25/2023 | 4:52PM | Edgar (US Regulatory) | Form 8-K - Current report | NYSE:ORN | Orion Group Holdings Inc |
| 10/25/2023 | 4:05PM | GlobeNewswire Inc. | Orion Group Holdings Reports Third Quarter 2023 Results | NYSE:ORN | Orion Group Holdings Inc |
| 10/13/2023 | 7:30AM | GlobeNewswire Inc. | Orion Group Holdings Announces Significant Design-Build Contract Award for Grand Bahama Shipyard Dry Dock and $121 Million in Additional Awards | NYSE:ORN | Orion Group Holdings Inc |
| 10/06/2023 | 7:00AM | GlobeNewswire Inc. | Orion Group Holdings Honored with Leadership in Safety Award | NYSE:ORN | Orion Group Holdings Inc |
| 10/05/2023 | 7:00AM | GlobeNewswire Inc. | Orion Group Holdings, Inc. to Report Third Quarter 2023 Financial Results on Wednesday, October 25 | NYSE:ORN | Orion Group Holdings Inc |
| 09/28/2023 | 4:03PM | Edgar (US Regulatory) | Form 8-K - Current report | NYSE:ORN | Orion Group Holdings Inc |
| 09/14/2023 | 12:33PM | Edgar (US Regulatory) | Form 4 - Statement of changes in beneficial ownership of securities | NYSE:ORN | Orion Group Holdings Inc |
| 09/14/2023 | 7:00AM | GlobeNewswire Inc. | Orion Group Holdings, Inc. to Present at Sidoti Virtual Investor Conference on September 21 | NYSE:ORN | Orion Group Holdings Inc |
| 08/30/2023 | 6:14PM | Edgar (US Regulatory) | Form 4 - Statement of changes in beneficial ownership of securities | NYSE:ORN | Orion Group Holdings Inc |