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 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2026 | Aug 10, 2026 |
| 10-Q | Quarterly report | Aug 10, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 6, 2026 | Jul 2, 2026 |
| 144 | Notice of proposed sale | Jul 2, 2026 | — |
| S-8 | Employee stock plan registration | Jun 29, 2026 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 10, 2026 | Jun 8, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 1, 2026 | Jun 1, 2026 |
| 4 | Insider transaction | May 21, 2026 | May 19, 2026 |
| 144 | Notice of proposed sale | May 18, 2026 | — |
| 8-K |
Current report
Shareholder vote results
|
May 12, 2026 | May 7, 2026 |
| 8-K |
Current report
Results of operations
|
May 11, 2026 | May 11, 2026 |
| 10-Q | Quarterly report | May 11, 2026 | Mar 31, 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 |
| ARS | Annual report to shareholders | Apr 10, 2026 | Dec 31, 2025 |
| DEF 14A | Proxy statement | Apr 10, 2026 | May 7, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Apr 9, 2026 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Regulation FD disclosure
|
Apr 2, 2026 | Mar 31, 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 |
| 10-K | Annual report | Mar 16, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 16, 2026 | Mar 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 |
| 4 | Insider transaction | Jan 21, 2026 | Jan 16, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 6, 2026 | — |
| 8-K |
Current report
Officer or director change
|
Dec 29, 2025 | Dec 23, 2025 |
| 10-Q | Quarterly report | Nov 10, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 10, 2025 | Nov 10, 2025 |
| 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 |
| 8-K |
Current report
Results of operations
|
Aug 12, 2025 | Aug 12, 2025 |
| 10-Q | Quarterly report | Aug 11, 2025 | Jun 30, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 17, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jun 16, 2025 | — |
| 10-Q | Quarterly report | May 12, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 9, 2025 | Apr 9, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 9, 2025 | — |
| 8-K |
Current report
Results of operations
|
May 8, 2025 | May 7, 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 |
| ARS | Annual report to shareholders | Apr 10, 2025 | Dec 31, 2024 |
| DEF 14A | Proxy statement | Apr 10, 2025 | May 8, 2025 |
| EFFECT | Filing | Apr 1, 2025 | — |
| 4 | Insider transaction | Mar 28, 2025 | Mar 27, 2025 |
| CORRESP | Letter to the SEC | Mar 28, 2025 | — |
| UPLOAD | Letter from the SEC | Mar 28, 2025 | — |
| 4 | Insider transaction | Mar 26, 2025 | Mar 24, 2025 |
| S-3 | Shelf registration | Mar 24, 2025 | — |
| 8-K |
Current report
Other events
|
Mar 24, 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 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, Unregistered share sale, Regulation FD disclosure
|
Mar 14, 2025 | Mar 10, 2025 |
| 4 | Insider transaction | Mar 11, 2025 | Mar 7, 2025 |
| 10-K | Annual report | Mar 11, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Mar 10, 2025 | Mar 10, 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 |
| 8-K |
Current report
New debt
|
Jan 10, 2025 | Jan 10, 2025 |
| 8-K |
Current report
Other events
|
Jan 8, 2025 | Jan 7, 2025 |
| 4 | Insider transaction | Jan 7, 2025 | Jan 3, 2025 |
| 8-K |
Current report
Other events
|
Jan 7, 2025 | Jan 7, 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 |
| 8-K |
Current report
Material agreement
|
Dec 6, 2024 | Dec 4, 2024 |
| 8-K/A | Amended current report | Dec 4, 2024 | Dec 2, 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 | — |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, Unregistered share sale, Officer or director change, Bylaw or fiscal year change, Regulation FD disclosure
|
Dec 3, 2024 | Dec 2, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Dec 2, 2024 | Nov 29, 2024 |
| DEFA14A | Additional proxy material | Nov 29, 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 |
| DEFA14A | Additional proxy material | Nov 18, 2024 | — |
| 144 | Notice of proposed sale | Nov 15, 2024 | — |
| 10-Q | Quarterly report | Nov 12, 2024 | Sep 30, 2024 |
| DEFA14A | Additional proxy material | Nov 12, 2024 | — |
| 8-K |
Current report
Results of operations
|
Nov 12, 2024 | Nov 12, 2024 |
| SC 13G | Ownership over 5% (passive) | Nov 6, 2024 | — |
| DEFA14A | Additional proxy material | Oct 31, 2024 | — |
| DEFM14A | Proxy statement | Oct 31, 2024 | — |
| PREM14A | Proxy statement | Oct 21, 2024 | Oct 21, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 8, 2024 | Oct 2, 2024 |
| DEF 14A | Proxy statement | Oct 2, 2024 | Oct 2, 2024 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Regulation FD disclosure
|
Oct 2, 2024 | Oct 1, 2024 |
| S-8 | Employee stock plan registration | Aug 23, 2024 | — |
| 8-K |
Current report
Results of operations
|
Aug 9, 2024 | Aug 8, 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 |
| 8-K12B | Current report | Aug 1, 2024 | Aug 1, 2024 |
| EFFECT | Filing | Jun 14, 2024 | — |
| 424B3 | Prospectus | Jun 14, 2024 | — |
| CORRESP | Letter to the SEC | Jun 12, 2024 | — |
| S-4/A | Registration statement | Jun 12, 2024 | — |
| UPLOAD | Letter from the SEC | Jun 11, 2024 | — |
| S-4 | Registration for a merger or exchange | Jun 3, 2024 | — |
Showing 165 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.