HMH Holding Inc SEC filings HMH
HMH Holding Inc has 101 filings in SEC EDGAR's recent list, going back to May 31, 2024. The latest quarterly report (Form 10-Q) was filed on Nov 4, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 4, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 424B3 | Prospectus | Nov 4, 2026 | — |
| 10-Q | Quarterly report | Nov 4, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations
|
Nov 4, 2026 | Nov 4, 2026 |
| EFFECT | Filing | Oct 20, 2026 | — |
| S-1 | Registration statement | Sep 28, 2026 | — |
| 4 | Insider transaction | Sep 4, 2026 | Sep 3, 2026 |
| 4 | Insider transaction | Sep 4, 2026 | Sep 3, 2026 |
| 4 | Insider transaction | Sep 4, 2026 | Sep 3, 2026 |
| 4 | Insider transaction | Sep 4, 2026 | Sep 3, 2026 |
| 4 | Insider transaction | Sep 4, 2026 | Sep 3, 2026 |
| 4 | Insider transaction | Sep 4, 2026 | Sep 3, 2026 |
| 4 | Insider transaction | Sep 4, 2026 | Sep 3, 2026 |
| 4 | Insider transaction | Sep 3, 2026 | Sep 1, 2026 |
| 4 | Insider transaction | Sep 3, 2026 | Sep 1, 2026 |
| 4 | Insider transaction | Sep 3, 2026 | Sep 1, 2026 |
| 4 | Insider transaction | Sep 3, 2026 | Sep 1, 2026 |
| 4 | Insider transaction | Sep 3, 2026 | Sep 1, 2026 |
| 4 | Insider transaction | Sep 3, 2026 | Sep 1, 2026 |
| 4 | Insider transaction | Sep 3, 2026 | Sep 1, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 13, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 12, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 7, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 7, 2026 | — |
| 10-Q | Quarterly report | Aug 5, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2026 | Aug 5, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 28, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 9, 2026 | — |
| 4 | Insider transaction | Jun 23, 2026 | May 18, 2026 |
| 4 | Insider transaction | Jun 23, 2026 | May 18, 2026 |
| 4 | Insider transaction | Jun 23, 2026 | May 18, 2026 |
| 4 | Insider transaction | Jun 23, 2026 | May 18, 2026 |
| 4 | Insider transaction | Jun 23, 2026 | May 18, 2026 |
| 4 | Insider transaction | Jun 23, 2026 | May 18, 2026 |
| 4 | Insider transaction | Jun 23, 2026 | May 18, 2026 |
| 4 | Insider transaction | May 7, 2026 | May 5, 2026 |
| 4 | Insider transaction | May 7, 2026 | May 5, 2026 |
| 4 | Insider transaction | May 7, 2026 | May 5, 2026 |
| 4 | Insider transaction | May 7, 2026 | May 5, 2026 |
| 4 | Insider transaction | May 7, 2026 | May 5, 2026 |
| 4 | Insider transaction | May 7, 2026 | May 5, 2026 |
| 4 | Insider transaction | May 7, 2026 | May 5, 2026 |
| 10-Q | Quarterly report | May 6, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 6, 2026 | May 6, 2026 |
| 4 | Insider transaction | May 4, 2026 | Apr 30, 2026 |
| 4 | Insider transaction | May 4, 2026 | Apr 30, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 9, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 8, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 8, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 6, 2026 | — |
| 4 | Insider transaction | Apr 6, 2026 | Apr 2, 2026 |
| 4 | Insider transaction | Apr 6, 2026 | Apr 2, 2026 |
| 4 | Insider transaction | Apr 6, 2026 | Apr 2, 2026 |
| 4 | Insider transaction | Apr 6, 2026 | Apr 2, 2026 |
| 4 | Insider transaction | Apr 6, 2026 | Apr 2, 2026 |
| 4 | Insider transaction | Apr 6, 2026 | Apr 2, 2026 |
| 4 | Insider transaction | Apr 6, 2026 | Apr 2, 2026 |
| 4 | Insider transaction | Apr 6, 2026 | Apr 2, 2026 |
| 4 | Insider transaction | Apr 6, 2026 | Apr 2, 2026 |
| 4 | Insider transaction | Apr 6, 2026 | Apr 2, 2026 |
| 4 | Insider transaction | Apr 6, 2026 | Apr 2, 2026 |
| 4 | Insider transaction | Apr 6, 2026 | Apr 2, 2026 |
| S-8 | Employee stock plan registration | Apr 2, 2026 | — |
| 4 | Insider transaction | Apr 2, 2026 | Apr 2, 2026 |
| 4 | Insider transaction | Apr 2, 2026 | Apr 2, 2026 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Change to shareholder rights, Officer or director change, Bylaw or fiscal year change, Regulation FD disclosure
|
Apr 2, 2026 | Mar 31, 2026 |
| 424B4 | Prospectus | Apr 1, 2026 | — |
| 3 | Initial insider ownership | Apr 1, 2026 | Apr 1, 2026 |
| 3 | Initial insider ownership | Apr 1, 2026 | Apr 1, 2026 |
| EFFECT | Filing | Mar 31, 2026 | — |
| 3 | Initial insider ownership | Mar 31, 2026 | Mar 31, 2026 |
| 3 | Initial insider ownership | Mar 31, 2026 | Mar 31, 2026 |
| 3 | Initial insider ownership | Mar 31, 2026 | Mar 31, 2026 |
| 3 | Initial insider ownership | Mar 31, 2026 | Mar 31, 2026 |
| 3 | Initial insider ownership | Mar 31, 2026 | Mar 31, 2026 |
| 3 | Initial insider ownership | Mar 31, 2026 | Mar 31, 2026 |
| 3 | Initial insider ownership | Mar 31, 2026 | Mar 31, 2026 |
| 3 | Initial insider ownership | Mar 31, 2026 | Mar 31, 2026 |
| 3 | Initial insider ownership | Mar 31, 2026 | Mar 31, 2026 |
| 3 | Initial insider ownership | Mar 31, 2026 | Mar 31, 2026 |
| 3 | Initial insider ownership | Mar 31, 2026 | Mar 31, 2026 |
| 3 | Initial insider ownership | Mar 31, 2026 | Mar 31, 2026 |
| 3 | Initial insider ownership | Mar 31, 2026 | Mar 31, 2026 |
| 3 | Initial insider ownership | Mar 31, 2026 | Mar 31, 2026 |
| CERT | Filing | Mar 31, 2026 | — |
| 8-A12B | Filing | Mar 31, 2026 | — |
| S-1/A | Amended registration statement | Mar 23, 2026 | — |
| S-1/A | Amended registration statement | Mar 18, 2026 | — |
| S-1/A | Amended registration statement | Mar 5, 2026 | — |
| S-1/A | Amended registration statement | Jan 29, 2026 | — |
| S-1/A | Amended registration statement | Nov 10, 2025 | — |
| S-1/A | Amended registration statement | Aug 19, 2025 | — |
| S-1/A | Amended registration statement | May 20, 2025 | — |
| S-1/A | Amended registration statement | Mar 18, 2025 | — |
| S-1/A | Amended registration statement | Jan 27, 2025 | — |
| S-1/A | Amended registration statement | Sep 9, 2024 | — |
| S-1/A | Amended registration statement | Aug 26, 2024 | — |
| S-1 | Registration statement | Aug 12, 2024 | — |
| DRS/A | Filing | Jul 15, 2024 | — |
| DRS | Filing | May 31, 2024 | — |
Showing 101 filings. 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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Oil & Gas Field Machinery & Equipment (SIC 3533)
- Listed as
- HMH (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Houston, TX
- SEC filer status
- Non-accelerated filer, Emerging growth company
- SEC CIK
- 2021880
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.