Orion Group Holdings Inc SEC filings ORN
Orion Group Holdings Inc has 881 filings in SEC EDGAR's recent list, going back to Jun 5, 2007. Its latest annual report, Form ARS, was filed on Apr 1, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 28, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 28, 2026 (results of operations, regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 9, 2026 | — |
| 4 | Insider transaction | Sep 17, 2026 | Sep 15, 2026 |
| 4 | Insider transaction | Sep 17, 2026 | Sep 15, 2026 |
| 4 | Insider transaction | Sep 17, 2026 | Sep 15, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 29, 2026 | — |
| 4 | Insider transaction | Jun 25, 2026 | Jun 23, 2026 |
| 4 | Insider transaction | May 20, 2026 | May 19, 2026 |
| 4 | Insider transaction | May 20, 2026 | May 19, 2026 |
| 4 | Insider transaction | May 20, 2026 | May 19, 2026 |
| 4 | Insider transaction | May 20, 2026 | May 19, 2026 |
| 4 | Insider transaction | May 20, 2026 | May 19, 2026 |
| 4 | Insider transaction | May 6, 2026 | May 5, 2026 |
| 4 | Insider transaction | May 4, 2026 | May 1, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 23, 2026 | — |
| 4 | Insider transaction | Apr 2, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 2, 2026 | Apr 1, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| 4 | Insider transaction | Mar 20, 2026 | Mar 20, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 16, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 16, 2026 |
| 4 | Insider transaction | Mar 10, 2026 | Mar 10, 2026 |
| 4 | Insider transaction | Mar 10, 2026 | Mar 10, 2026 |
| 144/A | Filing | Mar 10, 2026 | — |
| 4 | Insider transaction | Mar 9, 2026 | Mar 6, 2026 |
| 144 | Notice of proposed sale | Mar 9, 2026 | — |
| 4 | Insider transaction | Mar 5, 2026 | Mar 3, 2026 |
| 4 | Insider transaction | Mar 5, 2026 | Mar 3, 2026 |
| 4 | Insider transaction | Mar 5, 2026 | Mar 3, 2026 |
| 4 | Insider transaction | Dec 4, 2025 | Nov 19, 2025 |
| 3 | Initial insider ownership | Dec 4, 2025 | Nov 19, 2025 |
| 4 | Insider transaction | Dec 1, 2025 | Nov 28, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 13, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 13, 2025 | — |
| 4 | Insider transaction | Sep 16, 2025 | Sep 15, 2025 |
| 4 | Insider transaction | Sep 16, 2025 | Sep 15, 2025 |
| 4 | Insider transaction | Aug 19, 2025 | Aug 15, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 16, 2025 | — |
| 4 | Insider transaction | Jun 23, 2025 | Jun 23, 2025 |
| 3 | Initial insider ownership | Jun 23, 2025 | Jun 23, 2025 |
| 4 | Insider transaction | May 20, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 9, 2025 | — |
| 4 | Insider transaction | Mar 24, 2025 | Mar 20, 2025 |
| 4 | Insider transaction | Mar 24, 2025 | Mar 20, 2025 |
| 4 | Insider transaction | Mar 24, 2025 | Mar 20, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 17, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 17, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 17, 2025 |
| 4 | Insider transaction | Mar 17, 2025 | Mar 14, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 13, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jan 31, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jan 28, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 23, 2025 | — |
| 4 | Insider transaction | Dec 2, 2024 | Nov 27, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Nov 8, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 30, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Oct 24, 2024 | — |
| 4 | Insider transaction | Sep 16, 2024 | Sep 13, 2024 |
| 4 | Insider transaction | Sep 16, 2024 | Sep 13, 2024 |
| 4 | Insider transaction | Aug 16, 2024 | Aug 15, 2024 |
| 4 | Insider transaction | Aug 8, 2024 | Aug 8, 2024 |
| 4 | Insider transaction | Aug 6, 2024 | Aug 5, 2024 |
| 4 | Insider transaction | Jul 31, 2024 | Jul 31, 2024 |
| SC 13G | Ownership over 5% (passive) | Jul 22, 2024 | — |
| 144 | Notice of proposed sale | May 24, 2024 | — |
| 4 | Insider transaction | May 20, 2024 | May 16, 2024 |
| 4 | Insider transaction | May 20, 2024 | May 16, 2024 |
| 4 | Insider transaction | May 20, 2024 | May 16, 2024 |
| 4 | Insider transaction | May 20, 2024 | May 16, 2024 |
| 4 | Insider transaction | May 20, 2024 | May 16, 2024 |
| 4 | Insider transaction | May 20, 2024 | May 16, 2024 |
| 4 | Insider transaction | May 2, 2024 | May 2, 2024 |
| 4 | Insider transaction | Apr 30, 2024 | Apr 30, 2024 |
| 4 | Insider transaction | Apr 30, 2024 | Apr 30, 2024 |
| 4 | Insider transaction | Apr 30, 2024 | Apr 30, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Mar 29, 2024 | — |
| 4 | Insider transaction | Mar 22, 2024 | Mar 20, 2024 |
| 4 | Insider transaction | Mar 22, 2024 | Mar 20, 2024 |
| 4 | Insider transaction | Mar 7, 2024 | Mar 6, 2024 |
| 4 | Insider transaction | Mar 4, 2024 | Mar 4, 2024 |
| 4 | Insider transaction | Mar 4, 2024 | Mar 4, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 24, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Jan 10, 2024 | — |
| 4 | Insider transaction | Nov 28, 2023 | Nov 27, 2023 |
| 4 | Insider transaction | Nov 28, 2023 | Nov 27, 2023 |
| 3 | Initial insider ownership | Nov 28, 2023 | Nov 27, 2023 |
| 4 | Insider transaction | Sep 14, 2023 | Sep 12, 2023 |
| 4 | Insider transaction | Sep 7, 2023 | Sep 6, 2023 |
| 4 | Insider transaction | Aug 30, 2023 | Aug 29, 2023 |
| SC 13G | Ownership over 5% (passive) | Aug 28, 2023 | — |
| 4 | Insider transaction | Aug 21, 2023 | Aug 18, 2023 |
| 4 | Insider transaction | Aug 17, 2023 | Aug 15, 2023 |
| 4 | Insider transaction | Jun 14, 2023 | Jun 13, 2023 |
| 4 | Insider transaction | May 22, 2023 | May 19, 2023 |
| 4 | Insider transaction | May 22, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 22, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 22, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 22, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 22, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 22, 2023 | May 18, 2023 |
| 4 | Insider transaction | May 22, 2023 | May 18, 2023 |
| 4/A | Form 4/a | Mar 7, 2023 | Mar 1, 2023 |
| 4 | Insider transaction | Mar 7, 2023 | Mar 1, 2023 |
| 4 | Insider transaction | Mar 6, 2023 | Mar 2, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Jan 31, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 6, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Jan 6, 2023 | — |
| 4 | Insider transaction | Nov 18, 2022 | Nov 16, 2022 |
| 4/A | Form 4/a | Sep 28, 2022 | Sep 12, 2022 |
| 4 | Insider transaction | Sep 23, 2022 | Sep 12, 2022 |
| 3 | Initial insider ownership | Sep 23, 2022 | Sep 12, 2022 |
| 3 | Initial insider ownership | Sep 20, 2022 | Sep 12, 2022 |
| 4 | Insider transaction | Sep 14, 2022 | Sep 12, 2022 |
| 4 | Insider transaction | Aug 22, 2022 | Aug 18, 2022 |
| 4 | Insider transaction | May 25, 2022 | May 23, 2022 |
| 4 | Insider transaction | May 23, 2022 | May 19, 2022 |
| 4 | Insider transaction | May 23, 2022 | May 19, 2022 |
| 4 | Insider transaction | May 23, 2022 | May 19, 2022 |
| 4 | Insider transaction | May 23, 2022 | May 19, 2022 |
| 4 | Insider transaction | May 23, 2022 | May 19, 2022 |
| 4 | Insider transaction | May 23, 2022 | May 19, 2022 |
| 4 | Insider transaction | May 23, 2022 | May 19, 2022 |
| 4 | Insider transaction | May 23, 2022 | May 19, 2022 |
| SC 13G | Ownership over 5% (passive) | May 3, 2022 | — |
| 4 | Insider transaction | Mar 4, 2022 | Mar 2, 2022 |
| 4 | Insider transaction | Mar 4, 2022 | Mar 2, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Feb 8, 2022 | — |
| 3 | Initial insider ownership | Feb 1, 2022 | Jan 21, 2022 |
| 4 | Insider transaction | Sep 10, 2021 | Sep 8, 2021 |
| 4 | Insider transaction | Aug 20, 2021 | Aug 18, 2021 |
| 4 | Insider transaction | Aug 20, 2021 | Aug 18, 2021 |
| 4 | Insider transaction | Aug 20, 2021 | Aug 18, 2021 |
| 4 | Insider transaction | May 25, 2021 | May 21, 2021 |
| 4 | Insider transaction | May 25, 2021 | May 21, 2021 |
| 4 | Insider transaction | May 25, 2021 | May 21, 2021 |
| 4 | Insider transaction | May 21, 2021 | May 19, 2021 |
| 4 | Insider transaction | May 21, 2021 | May 19, 2021 |
| 4 | Insider transaction | May 21, 2021 | May 19, 2021 |
| 4 | Insider transaction | May 21, 2021 | May 19, 2021 |
| 4 | Insider transaction | May 21, 2021 | May 19, 2021 |
| 4 | Insider transaction | May 21, 2021 | May 19, 2021 |
| 4 | Insider transaction | May 21, 2021 | May 19, 2021 |
| 4 | Insider transaction | May 21, 2021 | May 19, 2021 |
| 4 | Insider transaction | May 21, 2021 | May 19, 2021 |
| 4 | Insider transaction | Mar 4, 2021 | Mar 2, 2021 |
| 4 | Insider transaction | Mar 4, 2021 | Mar 2, 2021 |
| 4 | Insider transaction | Mar 4, 2021 | Mar 2, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2021 | — |
| 4 | Insider transaction | Nov 12, 2020 | Nov 10, 2020 |
| 4 | Insider transaction | Aug 25, 2020 | Aug 20, 2020 |
| 4 | Insider transaction | Aug 25, 2020 | Aug 20, 2020 |
| 4 | Insider transaction | Aug 25, 2020 | Aug 20, 2020 |
| 4 | Insider transaction | Aug 10, 2020 | Aug 7, 2020 |
| SC 13G/A | Amended ownership over 5% (passive) | Jul 7, 2020 | — |
| 4 | Insider transaction | May 26, 2020 | May 21, 2020 |
| 4 | Insider transaction | May 26, 2020 | May 21, 2020 |
| 4 | Insider transaction | May 26, 2020 | May 21, 2020 |
| 4 | Insider transaction | May 26, 2020 | May 21, 2020 |
| 4 | Insider transaction | May 26, 2020 | May 21, 2020 |
| 4 | Insider transaction | May 26, 2020 | May 21, 2020 |
| 4 | Insider transaction | May 26, 2020 | May 21, 2020 |
| 4 | Insider transaction | May 26, 2020 | May 21, 2020 |
| 4 | Insider transaction | May 26, 2020 | May 21, 2020 |
| 4 | Insider transaction | Mar 17, 2020 | Mar 16, 2020 |
| 4 | Insider transaction | Mar 17, 2020 | Mar 16, 2020 |
| 4 | Insider transaction | Mar 4, 2020 | Mar 2, 2020 |
| 4 | Insider transaction | Mar 4, 2020 | Mar 2, 2020 |
| 4 | Insider transaction | Mar 4, 2020 | Mar 2, 2020 |
| 4 | Insider transaction | Feb 18, 2020 | Feb 10, 2020 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 5, 2020 | — |
| 4 | Insider transaction | Dec 5, 2019 | Dec 3, 2019 |
| 144 | Notice of proposed sale | Nov 8, 2019 | — |
| 4 | Insider transaction | Nov 7, 2019 | Nov 5, 2019 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 6, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 6, 2019 | — |
| 4 | Insider transaction | Oct 2, 2019 | Oct 1, 2019 |
| 3 | Initial insider ownership | Sep 20, 2019 | Sep 11, 2019 |
| SC 13D/A | Amended ownership over 5% (active) | Sep 12, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Sep 4, 2019 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jul 18, 2019 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jul 10, 2019 | — |
| SC 13G | Ownership over 5% (passive) | Jul 2, 2019 | — |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Heavy Construction Other Than Bldg Const - Contractors (SIC 1600)
- Listed as
- ORN (NYSE)
- Fiscal year ends
- December 31
- Headquarters
- Houston, TX
- SEC filer status
- Accelerated filer
- SEC CIK
- 1402829
- Former names
- Orion Marine Group Inc (until May 23, 2016)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.