Peter I. Tumminello - 05 May 2023 Form 4 Insider Report for DT Midstream, Inc. (DTM)

Role: Director
Signature: /s/ Andrew Hayner, Attorney-in-Fact
Issuer symbol: DTM
Transactions as of: 05 May 2023
Net transactions value: $0
Form type: 4
Filing time: 08 May 2023, 18:13:20 UTC
Previous filing: 06 Dec 2024
Next filing: 24 May 2023
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	DTM	Common Stock	Options Exercise		+1,888	+63%		4,888	05 May 2023	Direct	F1, F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	DTM	Restricted Stock Units	Options Exercise	$0	-1,795	-100%	$0.000000^*	0	05 May 2023	Common Stock	1,795		Direct	F2, F3
transaction	DTM	Restricted Stock Units	Award	$0	+2,451		$0.000000	2,451	05 May 2023	Common Stock	2,451		Direct	F2, F4

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

Explanation of Responses:

Id	Content
F1	Includes shares of the Issuer's common stock acquired under the Issuer's dividend reinvestment plan.
F2	Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock with any fractional shares being paid in cash.
F3	This restricted stock unit vested on May 5, 2023.
F4	This restricted stock unit will vest on May 4, 2024, subject to the Reporting Person's continued service with the Issuer through the vesting date.