Orion Group Holdings, Inc

Orion Group Holdings, Inc., a leading specialty construction company serving the infrastructure, industrial and building sectors, provides services both on and off the water in the continental United States, Alaska, Hawaii, Canada and the Caribbean Basin through its marine segment and its concrete segment. The Company’s Marine segment provides construction and dredging services relating to marine transportation facility construction, marine pipeline construction, marine environmental structures, dredging of waterways, channels and ports, environmental dredging, design and specialty services. Its Concrete segment provides turnkey concrete construction services including place and finish, site prep, layout, forming, and rebar placement for large commercial, structural and other associated business areas. The Company is headquartered in Houston, Texas. The Company’s website is located at: https://www.oriongroupholdingsinc.com.

Current securities

1. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory ArrangementsSep 21, 2026
2. 4 filingAug 4, 2026
3. Regulation FD DisclosureAug 4, 2026
4. 10-Q filingJul 29, 2026
5. Results of Operations and Financial Condition · Regulation FD DisclosureJul 29, 2026