Oceaneering International Inc SEC filings OII
Oceaneering International Inc has 1,006 filings in SEC EDGAR's recent list, going back to Feb 21, 2012. Its latest annual report, Form 10-K, was filed on Feb 20, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 22, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 21, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Nov 3, 2026 | Nov 2, 2026 |
| 4 | Insider transaction | Oct 5, 2026 | Oct 1, 2026 |
| 144 | Notice of proposed sale | Oct 1, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| 4 | Insider transaction | Aug 10, 2026 | Aug 7, 2026 |
| 144 | Notice of proposed sale | Aug 7, 2026 | — |
| 4 | Insider transaction | Jul 31, 2026 | Jul 30, 2026 |
| 4 | Insider transaction | Jul 31, 2026 | Jul 30, 2026 |
| 4 | Insider transaction | Jul 31, 2026 | Jul 30, 2026 |
| 144 | Notice of proposed sale | Jul 30, 2026 | — |
| 144 | Notice of proposed sale | Jul 30, 2026 | — |
| 144 | Notice of proposed sale | Jul 30, 2026 | — |
| 4 | Insider transaction | Jul 1, 2026 | Jun 30, 2026 |
| 144 | Notice of proposed sale | Jun 30, 2026 | — |
| 4 | Insider transaction | May 19, 2026 | May 18, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 144 | Notice of proposed sale | May 18, 2026 | — |
| 4 | Insider transaction | May 14, 2026 | May 12, 2026 |
| 144 | Notice of proposed sale | May 13, 2026 | — |
| 144 | Notice of proposed sale | May 12, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 12, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 30, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 29, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| 4 | Insider transaction | Mar 13, 2026 | Mar 11, 2026 |
| 144 | Notice of proposed sale | Mar 12, 2026 | — |
| 4 | Insider transaction | Feb 26, 2026 | Feb 24, 2026 |
| 4 | Insider transaction | Feb 26, 2026 | Feb 24, 2026 |
| 4 | Insider transaction | Feb 26, 2026 | Feb 24, 2026 |
| 4 | Insider transaction | Feb 26, 2026 | Feb 24, 2026 |
| 4 | Insider transaction | Feb 26, 2026 | Feb 24, 2026 |
| 4 | Insider transaction | Feb 26, 2026 | Feb 24, 2026 |
| 4 | Insider transaction | Feb 26, 2026 | Feb 24, 2026 |
| 4 | Insider transaction | Feb 26, 2026 | Feb 24, 2026 |
| 4 | Insider transaction | Feb 26, 2026 | Feb 24, 2026 |
| 4 | Insider transaction | Feb 26, 2026 | Feb 24, 2026 |
| 4 | Insider transaction | Feb 26, 2026 | Feb 25, 2026 |
| 144 | Notice of proposed sale | Feb 26, 2026 | — |
| 144 | Notice of proposed sale | Feb 26, 2026 | — |
| 144 | Notice of proposed sale | Feb 26, 2026 | — |
| 144 | Notice of proposed sale | Feb 25, 2026 | — |
| 144 | Notice of proposed sale | Feb 25, 2026 | — |
| 144 | Notice of proposed sale | Feb 25, 2026 | — |
| 144 | Notice of proposed sale | Feb 25, 2026 | — |
| 144 | Notice of proposed sale | Feb 25, 2026 | — |
| 144 | Notice of proposed sale | Feb 25, 2026 | — |
| 144 | Notice of proposed sale | Feb 25, 2026 | — |
| 144 | Notice of proposed sale | Feb 25, 2026 | — |
| 144 | Notice of proposed sale | Feb 25, 2026 | — |
| 4 | Insider transaction | Feb 24, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 20, 2026 |
| 3 | Initial insider ownership | Jan 9, 2026 | Jan 1, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 144 | Notice of proposed sale | Jan 5, 2026 | — |
| 3 | Initial insider ownership | Sep 18, 2025 | Sep 2, 2025 |
| 4 | Insider transaction | Sep 3, 2025 | Sep 2, 2025 |
| 144 | Notice of proposed sale | Sep 2, 2025 | — |
| 4 | Insider transaction | Aug 28, 2025 | Aug 27, 2025 |
| 4 | Insider transaction | Aug 27, 2025 | Aug 25, 2025 |
| 144 | Notice of proposed sale | Aug 27, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 17, 2025 | — |
| 4 | Insider transaction | May 23, 2025 | May 22, 2025 |
| 144 | Notice of proposed sale | May 22, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2025 | — |
| 4 | Insider transaction | May 9, 2025 | May 9, 2025 |
| 4 | Insider transaction | May 9, 2025 | May 9, 2025 |
| 4 | Insider transaction | May 9, 2025 | May 9, 2025 |
| 4 | Insider transaction | May 9, 2025 | May 9, 2025 |
| 4 | Insider transaction | May 9, 2025 | May 9, 2025 |
| 4 | Insider transaction | May 9, 2025 | May 9, 2025 |
| 4 | Insider transaction | May 9, 2025 | May 9, 2025 |
| 4 | Insider transaction | May 9, 2025 | May 9, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 18, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 10, 2025 | — |
| 4 | Insider transaction | Feb 26, 2025 | Feb 24, 2025 |
| 4 | Insider transaction | Feb 26, 2025 | Feb 24, 2025 |
| 4 | Insider transaction | Feb 26, 2025 | Feb 24, 2025 |
| 4 | Insider transaction | Feb 26, 2025 | Feb 24, 2025 |
| 4 | Insider transaction | Feb 26, 2025 | Feb 24, 2025 |
| 4 | Insider transaction | Feb 26, 2025 | Feb 24, 2025 |
| 4 | Insider transaction | Feb 26, 2025 | Feb 24, 2025 |
| 4 | Insider transaction | Feb 26, 2025 | Feb 24, 2025 |
| 4 | Insider transaction | Feb 26, 2025 | Feb 24, 2025 |
| 4 | Insider transaction | Feb 26, 2025 | Feb 24, 2025 |
| 4 | Insider transaction | Feb 26, 2025 | Feb 24, 2025 |
| 4 | Insider transaction | Feb 26, 2025 | Feb 24, 2025 |
| 4 | Insider transaction | Feb 26, 2025 | Feb 25, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 6, 2025 | — |
| 3 | Initial insider ownership | Jan 10, 2025 | Jan 1, 2025 |
| 4 | Insider transaction | Nov 12, 2024 | Nov 7, 2024 |
| 144 | Notice of proposed sale | Nov 7, 2024 | — |
| 4 | Insider transaction | Sep 11, 2024 | Sep 10, 2024 |
| 144 | Notice of proposed sale | Sep 10, 2024 | — |
| 4 | Insider transaction | Aug 29, 2024 | Aug 28, 2024 |
| 4 | Insider transaction | Aug 21, 2024 | Aug 20, 2024 |
| 144 | Notice of proposed sale | Aug 20, 2024 | — |
| 4 | Insider transaction | Aug 16, 2024 | Aug 15, 2024 |
| 144 | Notice of proposed sale | Aug 15, 2024 | — |
| 4 | Insider transaction | Aug 9, 2024 | Aug 8, 2024 |
| 144 | Notice of proposed sale | Aug 8, 2024 | — |
| 4 | Insider transaction | Jun 24, 2024 | Jun 23, 2024 |
| 4 | Insider transaction | Jun 24, 2024 | Jun 23, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 10, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 10, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 10, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 10, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 10, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 10, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 10, 2024 |
| 4 | Insider transaction | May 13, 2024 | May 10, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Mar 11, 2024 | — |
| 4 | Insider transaction | Mar 8, 2024 | Mar 7, 2024 |
| 144 | Notice of proposed sale | Mar 7, 2024 | — |
| 4 | Insider transaction | Feb 28, 2024 | Feb 26, 2024 |
| 4 | Insider transaction | Feb 28, 2024 | Feb 26, 2024 |
| 4 | Insider transaction | Feb 28, 2024 | Feb 26, 2024 |
| 4 | Insider transaction | Feb 28, 2024 | Feb 26, 2024 |
| 4 | Insider transaction | Feb 28, 2024 | Feb 26, 2024 |
| 4 | Insider transaction | Feb 28, 2024 | Feb 26, 2024 |
| 4 | Insider transaction | Feb 28, 2024 | Feb 26, 2024 |
| 4 | Insider transaction | Feb 28, 2024 | Feb 26, 2024 |
| 4 | Insider transaction | Feb 28, 2024 | Feb 26, 2024 |
| 4 | Insider transaction | Feb 28, 2024 | Feb 26, 2024 |
| 4 | Insider transaction | Feb 28, 2024 | Feb 26, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 23, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 23, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 23, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 23, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 23, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 23, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 23, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 23, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 23, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 23, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 23, 2024 |
| 4 | Insider transaction | Feb 27, 2024 | Feb 23, 2024 |
| 3 | Initial insider ownership | Feb 27, 2024 | Feb 22, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Jan 24, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 22, 2024 | — |
| 4 | Insider transaction | Dec 4, 2023 | Oct 18, 2022 |
| 3 | Initial insider ownership | Dec 4, 2023 | Dec 1, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 6, 2023 | — |
| 4 | Insider transaction | Sep 29, 2023 | Sep 28, 2023 |
| 144 | Notice of proposed sale | Sep 28, 2023 | — |
| 4 | Insider transaction | Sep 27, 2023 | Sep 27, 2023 |
| 4 | Insider transaction | Sep 27, 2023 | Sep 26, 2023 |
| 144 | Notice of proposed sale | Sep 27, 2023 | — |
| 144 | Notice of proposed sale | Sep 26, 2023 | — |
| 4 | Insider transaction | Aug 8, 2023 | Aug 4, 2023 |
| 144 | Notice of proposed sale | Aug 4, 2023 | — |
| 4 | Insider transaction | May 16, 2023 | May 15, 2023 |
| 4 | Insider transaction | May 16, 2023 | May 16, 2023 |
| 144 | Notice of proposed sale | May 15, 2023 | — |
| 4 | Insider transaction | Apr 3, 2023 | Mar 30, 2023 |
| 144 | Notice of proposed sale | Mar 30, 2023 | — |
| 4 | Insider transaction | Mar 29, 2023 | Mar 28, 2023 |
| 144 | Notice of proposed sale | Mar 28, 2023 | — |
| 4 | Insider transaction | Feb 28, 2023 | Feb 24, 2023 |
| 4 | Insider transaction | Feb 28, 2023 | Feb 24, 2023 |
| 4 | Insider transaction | Feb 28, 2023 | Feb 24, 2023 |
| 4 | Insider transaction | Feb 28, 2023 | Feb 24, 2023 |
| 4 | Insider transaction | Feb 28, 2023 | Feb 24, 2023 |
| 4 | Insider transaction | Feb 28, 2023 | Feb 24, 2023 |
| 4 | Insider transaction | Feb 28, 2023 | Feb 24, 2023 |
| 4 | Insider transaction | Feb 28, 2023 | Feb 24, 2023 |
| 4 | Insider transaction | Feb 28, 2023 | Feb 24, 2023 |
| 4 | Insider transaction | Feb 28, 2023 | Feb 24, 2023 |
| 4 | Insider transaction | Feb 28, 2023 | Feb 24, 2023 |
| 4 | Insider transaction | Feb 28, 2023 | Feb 24, 2023 |
| 4 | Insider transaction | Feb 28, 2023 | Feb 24, 2023 |
| 4 | Insider transaction | Feb 28, 2023 | Feb 24, 2023 |
| 4 | Insider transaction | Feb 28, 2023 | Feb 24, 2023 |
| 4 | Insider transaction | Feb 28, 2023 | Feb 24, 2023 |
| 4 | Insider transaction | Feb 28, 2023 | Feb 24, 2023 |
| 4 | Insider transaction | Feb 28, 2023 | Feb 24, 2023 |
| 4 | Insider transaction | Feb 28, 2023 | Feb 24, 2023 |
| 4 | Insider transaction | Feb 28, 2023 | Feb 24, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 23, 2023 | — |
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
- Oil & Gas Field Services, NEC (SIC 1389)
- Listed as
- OII (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Houston, TX
- SEC filer status
- Large accelerated filer
- SEC CIK
- 73756
Other Oil & Gas Field Services, NEC companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.