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SMC · Current Report (Form 8-K) · Filed May 11, 2026

Summit Midstream Corp — Current Report (Form 8-K)

Form
8-K
Filed
May 11, 2026
Period
May 11, 2026
Ticker
SMC
Accession
0002024218-26-000070
Boardroom Alpha · Filing insights

Consult the attached press release for more details.

About Summit Midstream Corp
Market cap
$411M
1Y TSR
+19.6%
3Y TSR
+24.3%
Board grade
C-
Sector
Energy
CEO
J Heath Deneke
Last annual meeting: May 7, 2026 · View full Summit Midstream Corp profile →
smc-20260511

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): May 11, 2026
Summit Midstream Corporation
(Exact name of registrant as specified in its charter)
Delaware001-4220199-3056990
(State or other jurisdiction(Commission(IRS Employer
of incorporation)File Number)Identification No.)
910 Louisiana Street, Suite 4200
Houston, TX 77002
(Address of principal executive office) (Zip Code)
(Registrants’ telephone number, including area code): (832) 413-4770
Not applicable
(Former name or former address, if changed since last report)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
oWritten communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
oSoliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
oPre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
oPre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Securities Act:
Title of each classTrading Symbol(s)Name of each exchange on which registered
Common StockSMCNew York Stock Exchange
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company
o
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  o



Item 2.02 Results of Operations and Financial Condition.
On May 11, 2026, Summit Midstream Corporation (NYSE: SMC), a Delaware corporation issued a press release announcing its results of operations for the three months ended March 31, 2026. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K.
The information furnished in this Item 2.02 shall not be deemed “filed” for purposes of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and shall not be deemed incorporated by reference in any filing with the Securities and Exchange Commission, whether or not filed under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such document.
Item 9.01 Financial Statements and Exhibits.
(d) Exhibits
Exhibit NumberDescription
104Cover Page Interactive Data File – the cover page XBRL tags are embedded within the Inline XBRL document
1


SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
Summit Midstream Corporation
(Registrant)
Dated:May 11, 2026/s/ Matthew B. Sicinski
Matthew B. Sicinski, Senior Vice President and Chief Accounting Officer
2
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Reference

Frequently asked questions

When did Summit Midstream Corp file this 8-K?
Summit Midstream Corp (SMC) filed this Current Report (Form 8-K) with the SEC on May 11, 2026. The accession number assigned by EDGAR is 0002024218-26-000070.
What does an 8-K disclose?
Form 8-K is the SEC's current-report form, used to disclose material events between periodic reports (10-K / 10-Q). Triggers include CEO/CFO departures, acquisitions, bankruptcies, earnings releases, auditor changes, changes in fiscal year, and amendments to corporate governance. Each 8-K is keyed to one or more Item numbers (1.01 through 9.01).
What is the key takeaway from this filing?
Consult the attached press release for more details. This is Boardroom Alpha's one-line summary of the current report; see the full filing text above for the formal disclosure.
What Item codes does an 8-K cover?
An 8-K's Item codes (1.01 through 9.01) specify what kind of event is being disclosed — e.g. Item 1.01 for entering a material agreement, Item 5.02 for departure/election of directors and executive officers, Item 8.01 for other events. The Item codes for this 8-K appear in the filing text above.
Where can I find Summit Midstream Corp's prior current reports on EDGAR?
The SEC EDGAR browser lists every 8-K Summit Midstream Corp has filed under CIK 2024218, sortable by date. Use the "View on SEC EDGAR" link in the page header, or browse directly via https://www.sec.gov/cgi-bin/browse-edgar.
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