Christopher Zona - 17 Feb 2026 Form 4 Insider Report for DT Midstream, Inc. (DTM)

Role: President and Chief Oper. Off.
Signature: /s/ Andrew Hayner, Attorney-in-Fact
Issuer symbol: DTM
Transactions as of: 17 Feb 2026
Net transactions value: -$2,230,377
Form type: 4
Filing time: 19 Feb 2026, 17:31:34 UTC
Previous filing: 03 Feb 2026
Next filing: 24 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Zona Christopher	President and Chief Oper. Off.	500 WOODWARD AVE., SUITE 2900, DETROIT	/s/ Andrew Hayner, Attorney-in-Fact	19 Feb 2026	0001869034

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	DTM	Common Stock	Award	$0	+36,731	+48%	$0.000000	112,944	17 Feb 2026	Direct	F1
transaction	DTM	Common Stock	Tax liability	$2,230,377	-16,814	-15%	$132.65	96,130	17 Feb 2026	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents shares of the Issuer's common stock earned in respect of performance stock units, as certified by the Organization and Compensation Committee of the board of directors of the Issuer on February 17, 2026 based on achievement of the applicable performance conditions over the applicable performance period.