UNITED STATES ~~SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549~~

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~~ 20July 31, 2025

Commission File Number: 1-40392

DT Midstream, Inc.

Delaware		38-2663964
(State or other jurisdiction of incorporation or organization)		(I.R.S Employer Identification No.)

Registrant's address of principal executive offices: 500 Woodward Ave., Suite 2900, Detroit, Michigan 48226-1279

Registrant’s telephone number, including area code: (313) 402-8532

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:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐	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 Act:

Title of Each Class		Trading Symbol(s)		Name of Exchange on which Registered
Common stock, par value $0.01		DTM		New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 under the Securities Act (17 CFR 230.405) or Rule 12b-2 under Exchange Act (17 CFR 240.12b-2).

Emerging growth company ☐

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. ☐

Item 72.0102. ~~Regulation~~Results FDof ~~Disclosure~~Operations and Financial Condition.

~~On May 20, 2025,~~ DT Midstream, Inc. (~~the~~ “~~Company~~DT Midstream”) ~~issued~~is afurnishing ~~press~~the Securities and Exchange Commission with its earnings release issued July 31, 2025, announcing financial ~~recent~~results ~~changes~~for tothe ~~its~~quarter ~~credit~~ended ~~ratings~~June 30, 2025. A copy of the ~~press~~earnings release, including supplemental financial information, is furnished as Exhibit 99.1 ~~to this Current Report on Form 8-K~~ and is incorporated ~~herein~~ by reference.

InItem ~~accordance with General Instruction B~~7.~~2 of Form 8-K, the information in this Current Report on Form 8-K, including Exhibit 99~~01.1, ~~shall~~Regulation ~~not~~FD be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall they be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth in such a filingDisclosure.

DT Midstream is furnishing the SEC with its slide presentation issued July 31, 2025. A copy of the slide presentation is furnished as Exhibit 99.2 and incorporated herein by reference.

In DT Midstream’s earnings release issued on July 31, 2025, DT Midstream also announced that its Board of Directors has declared a quarterly cash dividend of $0.82 per share of common stock. The dividend is payable to DT Midstream’s stockholders of record as of September 15, 2025, and is expected to be paid on October 15, 2025.

In accordance with General Instruction B.2 of Form 8-K, the information in this Current Report on Form 8-K, including Exhibits 99.1 and 99.2, shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall they be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth in such a filing.

Item 9.01

Financial Statements and Exhibits.

Exhibit	Description
99.1	Earnings Release of DT Midstream dated July 31, 2025.	~~Press Release issued on May 20, 2025 by DT Midstream, Inc.~~
104		Cover Page Interactive Data File (embedded within the Inline XBRL document).
99.2	Slide Presentation of DT Midstream dated July 31, 2025.
104	Cover Page Interactive Data File (embedded within the Inline XBRL document).

Forward-Looking Statements:

This Current Report on Form 8-K contains forward-looking statements that are subject to various assumptions, risks and uncertainties. It should be read in conjunction with the “Forward-Looking Statements” section in DT Midstream’s Form 10-K (which section is incorporated by reference herein), and in conjunction with other SEC reports filed by DT Midstream that discuss important factors that could cause DT Midstream’s actual results to differ materially. DT Midstream expressly disclaims any current intention to update any forward-looking statements contained in this report as a result of new information or future events or developments.

SIGNATURE

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.

Date: ~~May~~July 2031, 2025

DT MIDSTREAM, INC. (Registrant) by /s/ Jeffrey Jewell Name: Jeffrey Jewell Title: ~~Executive Vice President and~~ Chief Financial Officer

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