Tidewater Inc SEC filings TDGMW
Tidewater Inc has 1,000 filings in SEC EDGAR's recent list, going back to Feb 9, 2015. Its latest annual report, Form ARS, was filed on Apr 28, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 3, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 5, 2026 (material agreement, new debt). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Material agreement, New debt
|
Oct 5, 2026 | Oct 1, 2026 |
| 8-K |
Current report
Material agreement, New debt
|
Sep 25, 2026 | Sep 21, 2026 |
| 4/A | Primary document | Sep 18, 2026 | Sep 16, 2026 |
| 4 | Insider transaction | Sep 17, 2026 | Sep 16, 2026 |
| 144 | Notice of proposed sale | Sep 16, 2026 | — |
| 4 | Insider transaction | Sep 3, 2026 | Sep 2, 2026 |
| 4 | Insider transaction | Sep 3, 2026 | Sep 2, 2026 |
| 144 | Notice of proposed sale | Sep 2, 2026 | — |
| 144 | Notice of proposed sale | Sep 1, 2026 | — |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, New debt, Regulation FD disclosure
|
Aug 31, 2026 | Aug 25, 2026 |
| 4 | Insider transaction | Aug 20, 2026 | Aug 20, 2026 |
| 4 | Insider transaction | Aug 14, 2026 | Aug 12, 2026 |
| 144 | Notice of proposed sale | Aug 12, 2026 | — |
| S-3ASR | Automatic shelf registration | Aug 11, 2026 | — |
| 4 | Insider transaction | Aug 11, 2026 | Aug 10, 2026 |
| 144 | Notice of proposed sale | Aug 11, 2026 | — |
| 8-K |
Current report
Results of operations
|
Aug 3, 2026 | Aug 3, 2026 |
| 10-Q | Quarterly report | Aug 3, 2026 | Jun 30, 2026 |
| 144 | Notice of proposed sale | Jul 22, 2026 | — |
| 8-K |
Current report
Other events
|
Jul 6, 2026 | Jun 30, 2026 |
| 144 | Notice of proposed sale | Jun 25, 2026 | — |
| S-8 | Employee stock plan registration | Jun 25, 2026 | — |
| 4 | Insider transaction | Jun 18, 2026 | Jun 16, 2026 |
| 4 | Insider transaction | Jun 18, 2026 | Jun 16, 2026 |
| 4 | Insider transaction | Jun 18, 2026 | Jun 16, 2026 |
| 4 | Insider transaction | Jun 18, 2026 | Jun 16, 2026 |
| 4 | Insider transaction | Jun 18, 2026 | Jun 16, 2026 |
| 4 | Insider transaction | Jun 18, 2026 | Jun 16, 2026 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 18, 2026 | Jun 16, 2026 |
| 4 | Insider transaction | Jun 12, 2026 | Jun 12, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| 8-K |
Current report
Results of operations
|
May 4, 2026 | May 4, 2026 |
| 10-Q | Quarterly report | May 4, 2026 | Mar 31, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 29, 2026 | — |
| ARS | Annual report to shareholders | Apr 28, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 28, 2026 | — |
| DEF 14A | Proxy statement | Apr 28, 2026 | Jun 16, 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 23, 2026 | Mar 23, 2026 |
| 4 | Insider transaction | Mar 23, 2026 | Mar 23, 2026 |
| 4 | Insider transaction | Mar 23, 2026 | Mar 23, 2026 |
| 4 | Insider transaction | Mar 23, 2026 | Mar 23, 2026 |
| 4 | Insider transaction | Mar 20, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | Mar 20, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | Mar 20, 2026 | Mar 18, 2026 |
| 4 | Insider transaction | Mar 20, 2026 | Mar 18, 2026 |
| 8-K |
Current report
Officer or director change
|
Mar 19, 2026 | Mar 17, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 17, 2026 |
| 144 | Notice of proposed sale | Mar 12, 2026 | — |
| 4 | Insider transaction | Mar 6, 2026 | Mar 5, 2026 |
| 4 | Insider transaction | Mar 6, 2026 | Mar 5, 2026 |
| 144 | Notice of proposed sale | Mar 5, 2026 | — |
| 144 | Notice of proposed sale | Mar 5, 2026 | — |
| 10-K | Annual report | Mar 2, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 2, 2026 | Mar 2, 2026 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Feb 24, 2026 | Feb 22, 2026 |
| 4 | Insider transaction | Feb 23, 2026 | Feb 23, 2026 |
| 144 | Notice of proposed sale | Feb 23, 2026 | — |
| 4 | Insider transaction | Feb 11, 2026 | Feb 11, 2026 |
| 144 | Notice of proposed sale | Feb 11, 2026 | — |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 5, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 5, 2026 | Jan 2, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| 10-Q | Quarterly report | Nov 10, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 10, 2025 | Nov 10, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 2, 2025 | Oct 1, 2025 |
| 144 | Notice of proposed sale | Aug 7, 2025 | — |
| 4 | Insider transaction | Aug 6, 2025 | Aug 5, 2025 |
| 144 | Notice of proposed sale | Aug 5, 2025 | — |
| 10-Q | Quarterly report | Aug 4, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations, Other events
|
Aug 4, 2025 | Aug 4, 2025 |
| 4 | Insider transaction | Jul 8, 2025 | Jul 8, 2025 |
| 144 | Notice of proposed sale | Jul 8, 2025 | — |
| 8-K |
Current report
Material agreement, Agreement ended, New debt, Officer or director change, Regulation FD disclosure
|
Jul 7, 2025 | Jul 1, 2025 |
| 4 | Insider transaction | Jul 3, 2025 | Jul 1, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | Jul 1, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 24, 2025 | Jun 24, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 23, 2025 | Jun 23, 2025 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 11, 2025 | Jun 5, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 5, 2025 |
| 4/A | Filing | Jun 9, 2025 | Jun 5, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 5, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 5, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 5, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 5, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 5, 2025 |
| 4 | Insider transaction | Jun 9, 2025 | Jun 5, 2025 |
| 4 | Insider transaction | Jun 5, 2025 | Jun 3, 2025 |
| 4 | Insider transaction | Jun 2, 2025 | May 30, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | May 14, 2025 | — |
| 10-Q | Quarterly report | May 5, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 5, 2025 | May 5, 2025 |
| DEFA14A | Additional proxy material | Apr 24, 2025 | — |
| DEF 14A | Proxy statement | Apr 24, 2025 | Jun 5, 2025 |
| ARS | Annual report to shareholders | Apr 24, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Mar 25, 2025 | Mar 22, 2025 |
| 4 | Insider transaction | Mar 25, 2025 | Mar 22, 2025 |
| 4 | Insider transaction | Mar 25, 2025 | Mar 22, 2025 |
| 4 | Insider transaction | Mar 25, 2025 | Mar 22, 2025 |
| 4 | Insider transaction | Mar 25, 2025 | Mar 22, 2025 |
| 4 | Insider transaction | Mar 20, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 20, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 20, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 20, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 20, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 14, 2025 | Mar 13, 2025 |
| 4 | Insider transaction | Mar 12, 2025 | Mar 10, 2025 |
| 4 | Insider transaction | Mar 12, 2025 | Mar 10, 2025 |
| 4 | Insider transaction | Mar 12, 2025 | Jan 2, 2025 |
| 4 | Insider transaction | Mar 12, 2025 | Mar 10, 2025 |
| 4 | Insider transaction | Mar 12, 2025 | Mar 10, 2025 |
| 4 | Insider transaction | Mar 6, 2025 | Mar 5, 2025 |
| 8-K |
Current report
Results of operations, Other events
|
Feb 27, 2025 | Feb 27, 2025 |
| 10-K | Annual report | Feb 27, 2025 | Dec 31, 2024 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 12, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 5, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 4, 2025 | — |
| 4 | Insider transaction | Jan 3, 2025 | Jan 2, 2025 |
| SCHEDULE 13D | Ownership over 5% (active) | Dec 20, 2024 | — |
| 4 | Insider transaction | Dec 18, 2024 | Dec 17, 2024 |
| 4 | Insider transaction | Dec 16, 2024 | Dec 13, 2024 |
| 4 | Insider transaction | Dec 16, 2024 | Dec 13, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| 25-NSE | Delisting notice | Nov 14, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Nov 12, 2024 | — |
| 10-Q | Quarterly report | Nov 7, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations, Other events
|
Nov 7, 2024 | Nov 7, 2024 |
| 8-K |
Current report
Other events
|
Nov 1, 2024 | Nov 1, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 4, 2024 | — |
| 4 | Insider transaction | Oct 2, 2024 | Oct 1, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 27, 2024 | Sep 27, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 16, 2024 | Sep 16, 2024 |
| 8-K |
Current report
Results of operations, Other events
|
Aug 6, 2024 | Aug 6, 2024 |
| 10-Q | Quarterly report | Aug 6, 2024 | Jun 30, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Jul 10, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jul 8, 2024 | — |
| 4 | Insider transaction | Jul 1, 2024 | Jul 1, 2024 |
| SC 13G | Ownership over 5% (passive) | Jun 25, 2024 | — |
| 3 | Initial insider ownership | Jun 20, 2024 | Jun 10, 2024 |
| 4 | Insider transaction | Jun 13, 2024 | Jun 11, 2024 |
| 4 | Insider transaction | Jun 13, 2024 | Jun 12, 2024 |
| 144 | Notice of proposed sale | Jun 12, 2024 | — |
| 144 | Notice of proposed sale | Jun 12, 2024 | — |
| 4/A | Primary document | Jun 11, 2024 | Jun 6, 2024 |
| 144 | Notice of proposed sale | Jun 11, 2024 | — |
| 4 | Insider transaction | Jun 10, 2024 | Jun 6, 2024 |
| 4 | Insider transaction | Jun 10, 2024 | Jun 6, 2024 |
| 4 | Insider transaction | Jun 10, 2024 | Jun 6, 2024 |
| 4 | Insider transaction | Jun 10, 2024 | Jun 6, 2024 |
| 4 | Insider transaction | Jun 10, 2024 | Jun 6, 2024 |
| 4 | Insider transaction | Jun 10, 2024 | Jun 6, 2024 |
| 4 | Insider transaction | Jun 10, 2024 | Jun 6, 2024 |
| 144 | Notice of proposed sale | Jun 10, 2024 | — |
| 144 | Notice of proposed sale | Jun 10, 2024 | — |
| 8-K |
Current report
Shareholder vote results
|
Jun 7, 2024 | Jun 6, 2024 |
| 4 | Insider transaction | May 24, 2024 | May 22, 2024 |
| 144 | Notice of proposed sale | May 24, 2024 | — |
| 144 | Notice of proposed sale | May 22, 2024 | — |
| 4 | Insider transaction | May 22, 2024 | May 20, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | May 21, 2024 | — |
| 4 | Insider transaction | May 17, 2024 | May 15, 2024 |
| 4/A | Primary document | May 17, 2024 | May 8, 2024 |
| 4 | Insider transaction | May 10, 2024 | May 8, 2024 |
| 4 | Insider transaction | May 9, 2024 | May 9, 2024 |
| 4 | Insider transaction | May 9, 2024 | May 8, 2024 |
| 4 | Insider transaction | May 9, 2024 | May 7, 2024 |
| 4 | Insider transaction | May 9, 2024 | May 7, 2024 |
| 144 | Notice of proposed sale | May 9, 2024 | — |
| 144 | Notice of proposed sale | May 9, 2024 | — |
| 144 | Notice of proposed sale | May 8, 2024 | — |
| 144 | Notice of proposed sale | May 8, 2024 | — |
| 144 | Notice of proposed sale | May 7, 2024 | — |
| 144 | Notice of proposed sale | May 7, 2024 | — |
| 8-K |
Current report
Results of operations, Other events
|
May 2, 2024 | May 2, 2024 |
| 10-Q | Quarterly report | May 2, 2024 | Mar 31, 2024 |
| ARS | Annual report to shareholders | Apr 26, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Apr 26, 2024 | — |
| DEF 14A | Proxy statement | Apr 26, 2024 | Jun 6, 2024 |
| 4 | Insider transaction | Apr 2, 2024 | Apr 1, 2024 |
| 4 | Insider transaction | Mar 25, 2024 | Mar 21, 2024 |
| 4 | Insider transaction | Mar 25, 2024 | Mar 21, 2024 |
| 4 | Insider transaction | Mar 25, 2024 | Mar 21, 2024 |
| 4 | Insider transaction | Mar 25, 2024 | Mar 21, 2024 |
| 4 | Insider transaction | Mar 12, 2024 | Mar 11, 2024 |
| 4 | Insider transaction | Mar 12, 2024 | Mar 11, 2024 |
| 4 | Insider transaction | Mar 12, 2024 | Mar 11, 2024 |
| 4 | Insider transaction | Mar 12, 2024 | Mar 11, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Mar 8, 2024 | — |
| 4 | Insider transaction | Mar 7, 2024 | Mar 5, 2024 |
| 4 | Insider transaction | Mar 7, 2024 | Mar 5, 2024 |
| 4 | Insider transaction | Mar 7, 2024 | Mar 5, 2024 |
| 4 | Insider transaction | Mar 7, 2024 | Mar 5, 2024 |
| 144 | Notice of proposed sale | Mar 5, 2024 | — |
| 144 | Notice of proposed sale | Mar 5, 2024 | — |
| 144 | Notice of proposed sale | Mar 5, 2024 | — |
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Company profile
- Industry
- Water Transportation (SIC 4400)
- Listed as
- TDW (NYSE), TDDWW (OTC), TDGMW (OTC)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Houston, TX
- SEC filer status
- Large accelerated filer
- SEC CIK
- 98222
Other Water Transportation companies
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.