DTM Form 4: Melissa Cox disposes 4,755 shares at ~$104.47

Rhea-AI Filing Summary

DT Midstream insider transaction disclosed on Form 4. Melissa Cox, identified as E.V.P., Chief Administrative Officer, sold 4,755 shares of DT Midstream common stock on 08/11/2025 at a weighted average price of $104.47. The filing states the sales occurred at prices ranging from $104.42 to $104.52. Following the reported disposition, Ms. Cox is shown as directly beneficially owning 5,171 shares. No derivative securities are reported and the filing includes a footnote noting the weighted average price with availability of per-price breakdowns on request.

Insights

Securities Analyst

TL;DR: Officer Melissa Cox sold 4,755 DTM shares at a weighted average $104.47; impact appears limited but percent ownership is not stated.

The filing documents a direct sale of 4,755 common shares, leaving 5,171 shares directly owned by the reporting person. The report provides a weighted average sale price of $104.47 and a price range of $104.42 to $104.52, with a footnote offering per-price quantities on request. Because the Form 4 does not state total shares outstanding or percent ownership, the materiality of this sale to shareholders and market capitalization cannot be determined from the filing alone. No derivative transactions are disclosed.

Corporate Governance Expert

TL;DR: The Form 4 discloses a direct officer sale with weighted-average pricing and an explanatory footnote; disclosure appears compliant.

The document identifies Melissa Cox as the reporting officer and records a disposition of 4,755 shares at a reported weighted average price of $104.47, with sales between $104.42 and $104.52. The filing includes the standard explanatory footnote about weighted-average pricing and offers to provide detailed breakdowns. Table II shows no derivative activity. From a governance and disclosure perspective, the form provides the specific transaction details required under Section 16, though it does not provide contextual ownership percentages or reasons for the sale.

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

OMB APPROVAL

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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^*

Cox Melissa

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	E.V.P., Chief Admin. Off.

3. Date of Earliest Transaction (Month/Day/Year)
08/11/2025

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	08/11/2025		S		4,755	D	$104.47(1)	5,171	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

Explanation of Responses:

1. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $104.42 to $104.52, inclusive. The reporting person undertakes to provide to DT Midstream, Inc., any security holder of DT Midstream, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

	/s/ Andrew Hayner, Attorney-in-Fact	08/12/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What transaction did Melissa Cox report for DT Midstream (DTM)?

The Form 4 reports that Melissa Cox sold 4,755 shares of DT Midstream common stock on 08/11/2025 with a weighted average price of $104.47.

How many DT Midstream shares does Melissa Cox own after the sale?

After the reported transactions, the filing shows Ms. Cox directly beneficially owns 5,171 shares.

What price was reported for the insider sale in the DTM Form 4?

The filing reports a weighted average sale price of $104.47 and states sales occurred at prices ranging from $104.42 to $104.52.

Were any derivatives or option exercises reported for DTM in this filing?

No. Table II in the Form 4 is empty, and the filing lists only a sale of common stock in Table I.

Who is the reporting person and what is their role at DT Midstream?

The reporting person is Melissa Cox, identified as E.V.P., Chief Administrative Officer of DT Midstream.