DT Midstream (NYSE: DTM) CEO exercises RSUs and adjusts holdings

Rhea-AI Filing Summary

DT Midstream Exec. Chair and CEO David Slater reported multiple equity transactions dated February 1, 2026. A restricted stock unit award for 25,680 units converted into the same number of common shares at $0 per share, leaving no derivative units outstanding.

On the same date, he acquired 28,964.57 shares of common stock in a transaction coded "M" and disposed of 12,382 shares in a transaction coded "F" at $126.02 per share. Following these transactions, he directly owned 190,996.57 shares of DT Midstream common stock, including shares obtained through the company’s dividend reinvestment plan.

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Slater David

(Last) (First) (Middle)

500 WOODWARD AVE., SUITE 2900

(Street)

DETROIT MI 48226

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
DT Midstream, Inc. [ DTM ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Exec. Chair and CEO

3. Date of Earliest Transaction (Month/Day/Year)
02/01/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/01/2026		M		28,964.57(1)	A	(2)	203,378.57(1)	D
Common Stock	02/01/2026		F		12,382	D	$126.02	190,996.57	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(2)	02/01/2026		M			25,680	(3)	(3)	Common Stock	25,680	$0	0	D

Explanation of Responses:

1. Includes shares of the Issuer's common stock acquired under the Issuer's dividend reinvestment plan.

2. 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.

3. This restricted stock unit vested on February 1, 2026.

	/s/ Andrew Hayner, Attorney-in-Fact	02/03/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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FAQ

What insider transactions did DTM CEO David Slater report on February 1, 2026?

David Slater reported converting 25,680 restricted stock units into common stock at $0 per share, acquiring 28,964.57 common shares, and disposing of 12,382 shares at $126.02 each. These transactions adjusted his directly held DT Midstream (DTM) share balance.

How many DT Midstream (DTM) shares does David Slater own after this Form 4?

After the reported transactions, David Slater directly owns 190,996.57 shares of DT Midstream common stock. This figure includes shares accumulated through the company’s dividend reinvestment plan, as noted in the filing’s explanatory footnotes for his beneficial ownership.

What happened to David Slater’s restricted stock units in the latest DTM Form 4?

A restricted stock unit award of 25,680 units vested and converted into 25,680 shares of DT Midstream common stock at $0 per share. Following this vesting and conversion, the Form 4 shows no remaining derivative securities from that restricted stock unit position.

What does the transaction code M indicate in David Slater’s DTM Form 4?

The Form 4 shows code "M" for two transactions on February 1, 2026 involving restricted stock units and common stock. In this filing, those "M" transactions reflect the conversion of 25,680 restricted stock units and the acquisition of 28,964.57 DT Midstream common shares.

What is the significance of the F-coded transaction in the DTM insider filing?

The F-coded transaction shows David Slater disposing of 12,382 DT Midstream common shares at $126.02 per share. This sale reduced his holdings from 203,378.57 to 190,996.57 shares, as reflected in the "Amount of Securities Beneficially Owned Following Reported Transaction(s)" column.

Do David Slater’s reported DTM holdings include dividend reinvestment shares?

Yes. A footnote explains that his reported DT Midstream common stock total includes shares acquired through the issuer’s dividend reinvestment plan. This means the 190,996.57 directly held shares reflect both original grants or purchases and reinvested dividends.