Summit Midstream Corp SEC filings SMC
Summit Midstream Corp has 165 filings in SEC EDGAR's recent list, going back to Jun 3, 2024. Its latest annual report, Form ARS, was filed on Apr 10, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 10, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Aug 10, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Oct 2, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Jul 6, 2026 | Jul 2, 2026 |
| 144 | Notice of proposed sale | Jul 2, 2026 | — |
| 4 | Insider transaction | May 21, 2026 | May 19, 2026 |
| 144 | Notice of proposed sale | May 18, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 27, 2026 | — |
| 4 | Insider transaction | Apr 21, 2026 | Apr 20, 2026 |
| 4 | Insider transaction | Apr 13, 2026 | Mar 31, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Apr 9, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| 4 | Insider transaction | Mar 18, 2026 | Mar 16, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 16, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 16, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 16, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 16, 2026 |
| 4 | Insider transaction | Mar 18, 2026 | Mar 16, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 16, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 13, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 13, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 13, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 13, 2026 |
| 4 | Insider transaction | Jan 21, 2026 | Jan 16, 2026 |
| 4 | Insider transaction | Jan 21, 2026 | Jan 16, 2026 |
| 4 | Insider transaction | Jan 21, 2026 | Jan 16, 2026 |
| 4 | Insider transaction | Jan 21, 2026 | Jan 16, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 6, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Sep 2, 2025 | — |
| 4 | Insider transaction | Sep 2, 2025 | Aug 28, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Aug 28, 2025 | — |
| 4 | Insider transaction | Aug 28, 2025 | Aug 26, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 17, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jun 16, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 9, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 30, 2025 | — |
| 4 | Insider transaction | Apr 28, 2025 | Apr 24, 2025 |
| 4/A | Form 4/a | Apr 28, 2025 | Mar 18, 2025 |
| 4/A | Form 4/a | Apr 28, 2025 | Mar 14, 2025 |
| 4 | Insider transaction | Mar 28, 2025 | Mar 27, 2025 |
| 4 | Insider transaction | Mar 26, 2025 | Mar 24, 2025 |
| 4 | Insider transaction | Mar 21, 2025 | Mar 19, 2025 |
| 4 | Insider transaction | Mar 20, 2025 | Mar 18, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 14, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 14, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 14, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 14, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 14, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 14, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 14, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 14, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 14, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 14, 2025 |
| 144 | Notice of proposed sale | Mar 17, 2025 | — |
| 4 | Insider transaction | Mar 14, 2025 | Mar 12, 2025 |
| 4 | Insider transaction | Mar 11, 2025 | Mar 7, 2025 |
| 4 | Insider transaction | Mar 6, 2025 | Mar 4, 2025 |
| 4 | Insider transaction | Mar 3, 2025 | Feb 27, 2025 |
| 4 | Insider transaction | Feb 26, 2025 | Feb 24, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 19, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 19, 2025 | — |
| 4 | Insider transaction | Feb 18, 2025 | Feb 13, 2025 |
| 144 | Notice of proposed sale | Feb 14, 2025 | — |
| 4 | Insider transaction | Feb 12, 2025 | Feb 10, 2025 |
| 4 | Insider transaction | Feb 7, 2025 | Feb 5, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 7, 2025 | — |
| 4 | Insider transaction | Feb 4, 2025 | Jan 31, 2025 |
| 4 | Insider transaction | Jan 30, 2025 | Jan 28, 2025 |
| 4 | Insider transaction | Jan 27, 2025 | Jan 23, 2025 |
| 4 | Insider transaction | Jan 22, 2025 | Jan 18, 2025 |
| 4 | Insider transaction | Jan 22, 2025 | Jan 18, 2025 |
| 4 | Insider transaction | Jan 22, 2025 | Jan 18, 2025 |
| 4 | Insider transaction | Jan 22, 2025 | Jan 17, 2025 |
| 4 | Insider transaction | Jan 16, 2025 | Jan 14, 2025 |
| 4 | Insider transaction | Jan 13, 2025 | Jan 8, 2025 |
| 4 | Insider transaction | Jan 7, 2025 | Jan 3, 2025 |
| 4 | Insider transaction | Jan 2, 2025 | Dec 30, 2024 |
| 144 | Notice of proposed sale | Dec 31, 2024 | — |
| 4 | Insider transaction | Dec 27, 2024 | Dec 24, 2024 |
| 4 | Insider transaction | Dec 23, 2024 | Dec 19, 2024 |
| 4 | Insider transaction | Dec 18, 2024 | Dec 16, 2024 |
| 4 | Insider transaction | Dec 13, 2024 | Dec 11, 2024 |
| 4 | Insider transaction | Dec 13, 2024 | Dec 12, 2024 |
| 3 | Initial insider ownership | Dec 12, 2024 | Dec 2, 2024 |
| 3 | Initial insider ownership | Dec 12, 2024 | Dec 2, 2024 |
| 3 | Initial insider ownership | Dec 12, 2024 | Dec 2, 2024 |
| 3 | Initial insider ownership | Dec 12, 2024 | Dec 2, 2024 |
| 144 | Notice of proposed sale | Dec 12, 2024 | — |
| 4 | Insider transaction | Dec 10, 2024 | Dec 6, 2024 |
| 4 | Insider transaction | Dec 6, 2024 | Dec 4, 2024 |
| 4 | Insider transaction | Dec 3, 2024 | Nov 29, 2024 |
| 3 | Initial insider ownership | Dec 3, 2024 | Dec 2, 2024 |
| SC 13D | Ownership over 5% (active) | Dec 3, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Dec 3, 2024 | — |
| 4 | Insider transaction | Nov 27, 2024 | Nov 25, 2024 |
| 4 | Insider transaction | Nov 22, 2024 | Nov 20, 2024 |
| 4 | Insider transaction | Nov 19, 2024 | Nov 15, 2024 |
| 144 | Notice of proposed sale | Nov 15, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Nov 6, 2024 | — |
| 4 | Insider transaction | Aug 2, 2024 | Aug 1, 2024 |
| 4 | Insider transaction | Aug 2, 2024 | Aug 1, 2024 |
| 4 | Insider transaction | Aug 2, 2024 | Aug 1, 2024 |
| 4 | Insider transaction | Aug 2, 2024 | Aug 1, 2024 |
| 4 | Insider transaction | Aug 2, 2024 | Aug 1, 2024 |
| 4 | Insider transaction | Aug 2, 2024 | Aug 1, 2024 |
| 4 | Insider transaction | Aug 2, 2024 | Aug 1, 2024 |
| 4 | Insider transaction | Aug 2, 2024 | Aug 1, 2024 |
| 4 | Insider transaction | Aug 2, 2024 | Aug 1, 2024 |
| 4 | Insider transaction | Aug 2, 2024 | Aug 1, 2024 |
Showing 107 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.
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Company profile
- Industry
- Natural Gas Transmission (SIC 4922)
- Listed as
- SMC (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Houston, TX
- SEC filer status
- Accelerated filer
- SEC CIK
- 2024218
Other Natural Gas Transmission companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.