Joseph Peter Finland - 17 Sep 2025 Form 3 Insider Report for DT Midstream, Inc. (DTM)

Role
Chief Accounting Officer
Signature
/s/ Andrew Hayner, Attorney-in-Fact
Issuer symbol
DTM
Transactions as of
17 Sep 2025
Net transactions value
$0
Form type
3
Filing time
23 Sep 2025, 17:10:14 UTC
Next filing
03 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Finland Joseph Peter Chief Accounting Officer 500 WOODWARD AVE., SUITE 2900, DETROIT /s/ Andrew Hayner, Attorney-in-Fact 23 Sep 2025 0002087681

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
holding DTM Restricted Stock Units 17 Sep 2025 Common Stock 317 Direct F1, F2, F3
holding DTM Restricted Stock Units 17 Sep 2025 Common Stock 2,037 Direct F2, F3, F4
holding DTM Restricted Stock Units 17 Sep 2025 Common Stock 337 Direct F2, F3, F5
holding DTM Restricted Stock Units 17 Sep 2025 Common Stock 180 Direct F2, F3, F6
holding DTM Restricted Stock Units 17 Sep 2025 Common Stock 773 Direct F2, F3, F7
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Restricted stock units vest on February 1, 2026, subject to the Reporting Person's continued employment with the Issuer through the vesting date.
F2 Includes associated dividend equivalents under the Issuer's long-term incentive plan.
F3 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.
F4 Restricted stock units of which 965 vest on March 1, 2026 and 965 vest on March 1, 2027, together with associated dividend equivalents, subject to the Reporting Person's continued employment with the Issuer through the applicable vesting dates.
F5 Restricted stock units vest on February 15, 2027, subject to the Reporting Person's continued employment with the Issuer through the vesting date.
F6 Restricted stock units vest on February 25, 2028, subject to the Reporting Person's continued employment with the Issuer through the vesting date.
F7 Restricted stock units vest on March 1, 2028, subject to the Reporting Person's continued employment with the Issuer through the vesting date.

Remarks:

Exhibit 24 (Power of Attorney)