SEACOR Marine Holdings Inc. SEC filings SMHI
SEACOR Marine Holdings Inc. has 585 filings in SEC EDGAR's recent list, going back to Dec 13, 2016. Its latest annual report, Form ARS, was filed on Apr 16, 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). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 2, 2026 | — |
| 8-K |
Current report
Results of operations
|
Oct 28, 2026 | Oct 28, 2026 |
| 10-Q | Quarterly report | Oct 28, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Sep 4, 2026 | Sep 2, 2026 |
| 4 | Insider transaction | Sep 4, 2026 | Sep 2, 2026 |
| 4 | Insider transaction | Aug 25, 2026 | Aug 21, 2026 |
| 4 | Insider transaction | Aug 25, 2026 | Aug 21, 2026 |
| 4 | Insider transaction | Aug 19, 2026 | Aug 17, 2026 |
| 4 | Insider transaction | Aug 14, 2026 | Aug 12, 2026 |
| 4 | Insider transaction | Aug 11, 2026 | Aug 7, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 11, 2026 | — |
| 4 | Insider transaction | Aug 4, 2026 | Aug 3, 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 |
| 10-Q | Quarterly report | Jul 29, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations, Other events
|
Jul 29, 2026 | Jul 29, 2026 |
| 4 | Insider transaction | Jul 17, 2026 | Jul 15, 2026 |
| 4 | Insider transaction | Jul 17, 2026 | Jul 15, 2026 |
| 4 | Insider transaction | Jul 15, 2026 | Jul 14, 2026 |
| 4 | Insider transaction | Jul 6, 2026 | Jul 1, 2026 |
| 4 | Insider transaction | Jun 30, 2026 | Jun 29, 2026 |
| 4 | Insider transaction | Jun 30, 2026 | Jun 29, 2026 |
| 4 | Insider transaction | Jun 24, 2026 | Jun 23, 2026 |
| 4 | Insider transaction | Jun 24, 2026 | Jun 22, 2026 |
| 144 | Notice of proposed sale | Jun 24, 2026 | — |
| SCHEDULE 13D | Ownership over 5% (active) | Jun 22, 2026 | — |
| 144 | Notice of proposed sale | Jun 22, 2026 | — |
| 4 | Insider transaction | Jun 16, 2026 | Jun 15, 2026 |
| 4 | Insider transaction | Jun 4, 2026 | Jun 2, 2026 |
| 4 | Insider transaction | Jun 4, 2026 | Jun 2, 2026 |
| 4 | Insider transaction | Jun 4, 2026 | Jun 2, 2026 |
| 4 | Insider transaction | Jun 4, 2026 | Jun 2, 2026 |
| 4 | Insider transaction | Jun 4, 2026 | Jun 2, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Jun 4, 2026 | Jun 2, 2026 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
May 21, 2026 | May 20, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 20, 2026 | — |
| 10-Q | Quarterly report | Apr 29, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
Apr 29, 2026 | Apr 29, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 21, 2026 | — |
| ARS | Annual report to shareholders | Apr 16, 2026 | Dec 31, 2025 |
| DEF 14A | Proxy statement | Apr 16, 2026 | Jun 2, 2026 |
| 4 | Insider transaction | Mar 10, 2026 | Mar 7, 2026 |
| 4 | Insider transaction | Mar 10, 2026 | Mar 7, 2026 |
| 4 | Insider transaction | Mar 10, 2026 | Mar 7, 2026 |
| 4 | Insider transaction | Mar 10, 2026 | Mar 7, 2026 |
| 4 | Insider transaction | Mar 5, 2026 | Mar 4, 2026 |
| 4 | Insider transaction | Mar 5, 2026 | Mar 4, 2026 |
| 4 | Insider transaction | Mar 5, 2026 | Mar 4, 2026 |
| 4 | Insider transaction | Mar 5, 2026 | Mar 4, 2026 |
| 4 | Insider transaction | Mar 2, 2026 | Feb 27, 2026 |
| 4 | Insider transaction | Mar 2, 2026 | Feb 27, 2026 |
| 4 | Insider transaction | Mar 2, 2026 | Feb 27, 2026 |
| 4 | Insider transaction | Mar 2, 2026 | Feb 27, 2026 |
| 10-K | Annual report | Feb 25, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Feb 25, 2026 | Feb 25, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 21, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Dec 31, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 13, 2025 | Nov 13, 2025 |
| 4 | Insider transaction | Nov 12, 2025 | Nov 12, 2025 |
| 4 | Insider transaction | Nov 12, 2025 | Nov 11, 2025 |
| 144 | Notice of proposed sale | Nov 12, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 30, 2025 | — |
| 10-Q | Quarterly report | Oct 29, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Oct 29, 2025 | Oct 29, 2025 |
| 8-K |
Current report
Acquisition or sale of assets
|
Oct 3, 2025 | Sep 29, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 9, 2025 | Sep 9, 2025 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Aug 7, 2025 | Aug 6, 2025 |
| 8-K |
Current report
Results of operations
|
Jul 30, 2025 | Jul 30, 2025 |
| 10-Q | Quarterly report | Jul 30, 2025 | Jun 30, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 29, 2025 | — |
| 4 | Insider transaction | Jun 5, 2025 | Jun 3, 2025 |
| 4 | Insider transaction | Jun 5, 2025 | Jun 3, 2025 |
| 4 | Insider transaction | Jun 5, 2025 | Jun 3, 2025 |
| 4 | Insider transaction | Jun 5, 2025 | Jun 3, 2025 |
| 4 | Insider transaction | Jun 5, 2025 | Jun 3, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Jun 5, 2025 | Jun 3, 2025 |
| S-8 | Employee stock plan registration | Jun 3, 2025 | — |
| 8-K |
Current report
Results of operations
|
Apr 30, 2025 | Apr 30, 2025 |
| 10-Q | Quarterly report | Apr 30, 2025 | Mar 31, 2025 |
| ARS | Annual report to shareholders | Apr 23, 2025 | Dec 31, 2024 |
| DEF 14A | Proxy statement | Apr 23, 2025 | Jun 3, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 21, 2025 | — |
| 8-K |
Current report
Other events
|
Apr 4, 2025 | Apr 4, 2025 |
| 4 | Insider transaction | Mar 12, 2025 | Mar 11, 2025 |
| 4 | Insider transaction | Mar 12, 2025 | Mar 11, 2025 |
| 4 | Insider transaction | Mar 12, 2025 | Mar 11, 2025 |
| 4 | Insider transaction | Mar 12, 2025 | Mar 11, 2025 |
| 4 | Insider transaction | Mar 5, 2025 | Mar 4, 2025 |
| 4 | Insider transaction | Mar 5, 2025 | Mar 4, 2025 |
| 4 | Insider transaction | Mar 5, 2025 | Mar 4, 2025 |
| 4 | Insider transaction | Mar 5, 2025 | Mar 4, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Feb 28, 2025 | Feb 26, 2025 |
| 10-K | Annual report | Feb 26, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 26, 2025 | Feb 26, 2025 |
| 424B5 | Prospectus supplement | Feb 24, 2025 | — |
| 424B5 | Prospectus supplement | Feb 24, 2025 | — |
| EFFECT | Filing | Feb 19, 2025 | — |
| CORRESP | Letter to the SEC | Feb 14, 2025 | — |
| UPLOAD | Letter from the SEC | Feb 13, 2025 | — |
| S-3 | Shelf registration | Feb 7, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jan 23, 2025 | — |
| SCHEDULE 13D | Ownership over 5% (active) | Jan 17, 2025 | — |
| 8-K |
Current report
Material agreement, New debt, Regulation FD disclosure
|
Dec 2, 2024 | Nov 27, 2024 |
| 10-Q | Quarterly report | Oct 30, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Oct 30, 2024 | Oct 30, 2024 |
| 4 | Insider transaction | Sep 25, 2024 | Sep 23, 2024 |
| 4 | Insider transaction | Sep 23, 2024 | Sep 19, 2024 |
| 3 | Initial insider ownership | Sep 23, 2024 | Sep 19, 2024 |
| 8-K |
Current report
Officer or director change
|
Sep 19, 2024 | Sep 19, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 10, 2024 | Sep 10, 2024 |
| 4 | Insider transaction | Aug 26, 2024 | Aug 22, 2024 |
| 8-K |
Current report
Results of operations
|
Jul 31, 2024 | Jul 31, 2024 |
| 10-Q | Quarterly report | Jul 31, 2024 | Jun 30, 2024 |
| 4 | Insider transaction | Jul 17, 2024 | Jul 16, 2024 |
| 4 | Insider transaction | Jul 17, 2024 | Jul 16, 2024 |
| 4 | Insider transaction | Jul 17, 2024 | Jul 16, 2024 |
| 144 | Notice of proposed sale | Jul 16, 2024 | — |
| 144 | Notice of proposed sale | Jul 16, 2024 | — |
| 144 | Notice of proposed sale | Jul 16, 2024 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 3, 2024 | Jul 3, 2024 |
| 4 | Insider transaction | Jun 6, 2024 | Jun 4, 2024 |
| 4 | Insider transaction | Jun 6, 2024 | Jun 4, 2024 |
| 4 | Insider transaction | Jun 6, 2024 | Jun 4, 2024 |
| 4 | Insider transaction | Jun 6, 2024 | Jun 4, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jun 6, 2024 | Jun 6, 2024 |
| 4 | Insider transaction | May 10, 2024 | May 9, 2024 |
| 144 | Notice of proposed sale | May 9, 2024 | — |
| 10-Q | Quarterly report | May 1, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 1, 2024 | May 1, 2024 |
| ARS | Annual report to shareholders | Apr 18, 2024 | Dec 31, 2023 |
| DEF 14A | Proxy statement | Apr 18, 2024 | Jun 4, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Apr 10, 2024 | — |
| 4 | Insider transaction | Mar 14, 2024 | Mar 13, 2024 |
| 4 | Insider transaction | Mar 14, 2024 | Mar 12, 2024 |
| 4 | Insider transaction | Mar 14, 2024 | Mar 12, 2024 |
| 4 | Insider transaction | Mar 14, 2024 | Mar 12, 2024 |
| 4 | Insider transaction | Mar 14, 2024 | Mar 12, 2024 |
| 4 | Insider transaction | Mar 5, 2024 | Mar 4, 2024 |
| 4 | Insider transaction | Mar 5, 2024 | Mar 4, 2024 |
| 4 | Insider transaction | Mar 5, 2024 | Mar 4, 2024 |
| 4 | Insider transaction | Mar 5, 2024 | Feb 29, 2024 |
| 8-K |
Current report
Other events
|
Mar 5, 2024 | Feb 29, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 29, 2024 | Feb 29, 2024 |
| 10-K | Annual report | Feb 29, 2024 | Dec 31, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| 5 | Annual insider ownership | Feb 13, 2024 | Dec 31, 2023 |
| 5 | Annual insider ownership | Jan 29, 2024 | Dec 31, 2023 |
| SC 13G | Ownership over 5% (passive) | Jan 29, 2024 | — |
| 4 | Insider transaction | Nov 6, 2023 | Nov 3, 2023 |
| 4 | Insider transaction | Nov 6, 2023 | Nov 3, 2023 |
| 144 | Notice of proposed sale | Nov 3, 2023 | — |
| 144 | Notice of proposed sale | Nov 3, 2023 | — |
| 424B5 | Prospectus supplement | Nov 1, 2023 | — |
| 10-Q | Quarterly report | Nov 1, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 1, 2023 | Nov 1, 2023 |
| 4 | Insider transaction | Oct 23, 2023 | Oct 19, 2023 |
| 4 | Insider transaction | Oct 23, 2023 | Oct 19, 2023 |
| 144 | Notice of proposed sale | Oct 19, 2023 | — |
| 144 | Notice of proposed sale | Oct 19, 2023 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 19, 2023 | Sep 19, 2023 |
| 4 | Insider transaction | Sep 15, 2023 | Sep 13, 2023 |
| 4 | Insider transaction | Sep 13, 2023 | Sep 11, 2023 |
| 4 | Insider transaction | Sep 13, 2023 | Sep 11, 2023 |
| 144 | Notice of proposed sale | Sep 12, 2023 | — |
| 144 | Notice of proposed sale | Sep 12, 2023 | — |
| 8-K |
Current report
Material agreement, New debt, Regulation FD disclosure
|
Sep 11, 2023 | Sep 8, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 7, 2023 | Sep 7, 2023 |
| 4 | Insider transaction | Sep 7, 2023 | Sep 5, 2023 |
| 144 | Notice of proposed sale | Sep 5, 2023 | — |
| 10-Q | Quarterly report | Aug 2, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 2, 2023 | Aug 2, 2023 |
| 4 | Insider transaction | Jul 25, 2023 | Jul 21, 2023 |
| 144 | Notice of proposed sale | Jul 21, 2023 | — |
| 4 | Insider transaction | Jul 20, 2023 | Jul 18, 2023 |
| 144 | Notice of proposed sale | Jul 19, 2023 | — |
| 4 | Insider transaction | Jul 17, 2023 | Jul 13, 2023 |
| 144 | Notice of proposed sale | Jul 14, 2023 | — |
| 8-K |
Current report
Material agreement, New debt
|
Jun 20, 2023 | Jun 16, 2023 |
| 8-K |
Current report
Shareholder vote results
|
Jun 8, 2023 | Jun 6, 2023 |
| 4 | Insider transaction | Jun 8, 2023 | Jun 6, 2023 |
| 4 | Insider transaction | Jun 7, 2023 | Jun 6, 2023 |
| 4 | Insider transaction | Jun 7, 2023 | Jun 6, 2023 |
| 4 | Insider transaction | Jun 7, 2023 | Jun 5, 2023 |
| 144 | Notice of proposed sale | Jun 5, 2023 | — |
| 10-Q | Quarterly report | May 3, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 3, 2023 | May 3, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Apr 21, 2023 | Apr 21, 2023 |
| ARS | Annual report to shareholders | Apr 20, 2023 | Dec 31, 2022 |
| DEF 14A | Proxy statement | Apr 20, 2023 | — |
| 4 | Insider transaction | Mar 9, 2023 | Mar 8, 2023 |
| 4 | Insider transaction | Mar 9, 2023 | Mar 7, 2023 |
| 4 | Insider transaction | Mar 9, 2023 | Mar 7, 2023 |
| 4 | Insider transaction | Mar 9, 2023 | Mar 7, 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
- Deep Sea Foreign Transportation of Freight (SIC 4412)
- Listed as
- SMHI (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Houston, TX
- SEC filer status
- Accelerated filer, Smaller reporting company
- SEC CIK
- 1690334
Other Deep Sea Foreign Transportation of Freight companies
- Frontline plc FRO
- Cmb.tech NV CMBT
- Scorpio Tankers Inc. STNG
- TORM plc TRMD
- DHT Holdings, Inc. DHT
- Okeanis Eco Tankers Corp. ECO
- ZIM Integrated Shipping Services Ltd. ZIM
- Star Bulk Carriers Corp. SBLK
Source: SEC EDGAR filings. This is company-reported data, not investment advice.