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SMC · Current Report (Form 8-K) · Filed May 12, 2026

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

Form
8-K
Filed
May 12, 2026
Period
May 7, 2026
Ticker
SMC
Accession
0002024218-26-000072
Boardroom Alpha · Filing insights

Shareholders elected three Class II directors and one Class II Class B director, and approved key governance measures.

About Summit Midstream Corp
Market cap
$470M
1Y TSR
+49.8%
3Y TSR
+32.6%
Board grade
C-
Sector
Energy
CEO
J Heath Deneke
Last annual meeting: May 7, 2026 · View full Summit Midstream Corp profile →
smc-20260507

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 7, 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 5.07 Submission of Matters to a Vote of Security Holders.
On May 7, 2026, Summit Midstream Corporation, a Delaware corporation (the “Company”), convened its 2026 Annual Meeting of Stockholders (the “Annual Meeting”). At the Annual Meeting, the stockholders of the Company who were holders of record of the Company’s outstanding voting stock, consisting of both common stock, par value $0.01 per share (“common stock”), and Class B common stock, par value $0.01 per share (“Class B Common Stock”), at the close of business on March 31, 2026, the record date for the Annual Meeting, voted on five proposals and cast their votes as described below. Holders of common stock and holders of Class B Common Stock voted together as a single class on Proposals 1, 3, 4, and 5. Holders of Class B Common Stock voted separately as a class on Proposal 2. At the Annual Meeting, the stockholders of the Company (i) elected three Class II director nominees to the board of directors of the Company (the “Board”) to serve until the annual meeting to be held in 2029, (ii) elected one Class II Class B director nominee to the Board to serve until the annual meeting to be held in 2029, (iii) ratified the appointment of Deloitte & Touche LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2026, (iv) approved, in an advisory resolution, the executive compensation of the Company’s named executive officers and (v) approved Amendment No. 1 to the Summit Midstream Corporation 2024 Long-Term Incentive Plan.
The matters voted upon at the Annual Meeting and the number of votes cast for or against, as well as the number of abstentions and broker non-votes as to such matters, were as stated below. The proposals related to each such matter are described in detail in the Definitive Proxy Statement filed by the Company with the U.S. Securities and Exchange Commission on April 10, 2026.
Proposal 1 - Election of Three Class II Directors
ForWithheldAbstentionsBroker Non-Votes
J. Heath Deneke13,848,9373,94302,984,955
Robert J. McNally13,945,215213,66502,984,955
Carolyn J. Stone14,129,78529,09502,984,955
Proposal 2 - Election of One Class II Director
ForWithheldAbstentionsBroker Non-Votes
James E. Herring, Jr.6,524,467000
Proposal 3 - Ratification of Appointment of Independent Registered Public Accounting Firm
ForWithheldAbstentionsBroker Non-Votes
17,084,32755,6293,8790
Proposal 4 - Approval of the Advisory Resolution on Executive Compensation
ForWithheldAbstentionsBroker Non-Votes
11,996,0102,156,9735,8972,984,955
Proposal 5 - Approval of Amendment No. 1 to the Summit Midstream Corporation 2024 Long-Term Incentive Plan
ForWithheldAbstentionsBroker Non-Votes
11,993,9002,163,6051,3752,984,955


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 12, 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 12, 2026. The accession number assigned by EDGAR is 0002024218-26-000072.
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?
Shareholders elected three Class II directors and one Class II Class B director, and approved key governance measures. 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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