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): ~~March 24~~May 7, 2025

Summit Midstream Corporation

(Exact name of registrant as specified in its charter)

Delaware

001-42201

99-3056990

(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:


o			Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
o			Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
o			Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
o			Pre-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 class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock	SMC	New 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 82.0102 ~~Other~~Results ~~Events~~of Operations and Financial Condition.

AsOn ~~previously reported~~May 7, ~~on December 3~~2025, ~~2024,~~ Summit Midstream Corporation, ~~a Delaware corporation~~ (~~the~~NYSE: ~~“Company”~~SMC), ~~filed~~ a Current Report on Form 8-K (the “Original Report”) with the Securities and Exchange Commission announcing that the Company completed the transaction contemplated in the Business Contribution Agreement, dated as of October 1, 2024, by and among the Company, Summit Midstream Partners, LP, a Delaware ~~limited~~corporation ~~partnership~~issued ~~(“SMLP”), and Tall Oak Midstream Holdings, LLC,~~ a ~~Delaware~~press ~~limited~~release ~~liability~~announcing ~~company (“Tall Oak Parent”), pursuant to which Tall Oak Parent contributed all of~~ its ~~equity~~results interests in Tall Oak Midstream Operating, LLC, a Delaware limited liability company (“Tall Oak”), to SMLP in exchange for certain cash and equity consideration from the Company (the “Tall Oak Acquisition”). The Company amended the Original Report on December 4, 2024 to file (i) the audited consolidated financial statements of Tall Oak and its subsidiaries as of and for the years ended December 31, 2023 and 2022, (ii) the unaudited consolidated financial statements of Tall Oak and its subsidiaries as of September 30, 2024 and December 31, 2023 and for the nine month periods ended September 30, 2024 and September 30, 2023, (iii) the unaudited pro forma condensed consolidated balance sheet of the Company as of September 30, 2024, (iv) the unaudited pro forma condensed consolidated statement of operations ~~of the Company~~ for the ~~nine~~three months ended ~~September 30~~March 31, ~~2024~~2025. ~~and~~A ~~(v)~~copy ~~the unaudited pro forma condensed consolidated statement~~ of ~~operations of~~ the ~~Company~~press ~~for~~release ~~the~~is ~~year~~furnished ~~ended~~as ~~December~~Exhibit ~~31, 2023~~99.1 ~~The~~to ~~Company is filing~~ this Current Report on Form 8-K ~~to provide certain additional pro forma financial information relating to the Tall Oak Acquisition~~.

The ~~following~~information ~~unaudited~~furnished ~~pro~~in ~~forma~~this ~~financial~~Item ~~information~~2.02 ofshall ~~the~~not ~~Company~~be isdeemed “filed” asfor ~~Exhibit~~purposes ~~99.1~~of tothe ~~this~~Securities ~~Current~~Exchange ~~Report~~Act onof ~~Form~~1934, ~~8-K~~as amended (the “Exchange Act”), and isshall ~~incorporated~~not ~~herein~~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.

•Unaudited Pro Forma Condensed Consolidated Statement of Operations for the year ended December 31, 2024.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

Exhibit Number						Description
99.1						~~Unaudited~~Press ~~Pro~~Release, ~~Forma~~dated ~~Condensed~~May ~~Consolidated Statement of Operations for the Year Ended December 31~~7, ~~2024~~2025.
104						Cover Page Interactive Data File – the cover page XBRL tags are embedded within the Inline XBRL document

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:	~~March~~May 248, 2025	/s/ Matthew B. Sicinski
		Matthew B. Sicinski, Senior Vice President and Chief Accounting Officer

Filing Compare · Summit Midstream Corp