DTE Energy director granted 1,230 phantom stock units

Santos Cassandra reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Santos Cassandra reported acquisition or exercise transactions in this Form 4 filing.

DTE Energy director Cassandra Santos received a grant of 1,230 phantom stock units tied on a 1-for-1 basis to DTE common stock. The award was granted at a price of $0.00 per unit as director compensation. These phantom shares are immediately vested but must be deferred for at least one year.

Including this grant and prior reinvested amounts under the DTE Energy Company Deferred Stock Compensation Plan for Non-Employee Directors, Santos now holds a total of 2,448.72 phantom stock units directly.

Insider Trade Summary

Grant/Award: 1,230 shares

Grant/Award 1 txn

Insider Santos Cassandra

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Phantom Stock	1,230	$0.00	$0.00

Holdings After Transaction: Phantom Stock — 2,448.72 contracts (Direct)

Footnotes (3)

1. F1. 1 for 1
2. F2. The phantom shares are immediately vested, but subject to a minimum 1-year deferral.
3. F3. Includes phantom stock acquired through the reinvestment feature under the DTE Energy Company Deferred Stock Compensation Plan for Non-Employee Directors.

Key Figures

Phantom stock grant: 1,230 units Grant price: $0.00 per unit Total phantom stock held: 2,448.72 units +1 more

4 metrics

Phantom stock grant 1,230 units Phantom stock units granted on 2026-05-07

Grant price $0.00 per unit Compensation grant, not market purchase

Total phantom stock held 2,448.72 units Holdings following the reported transaction

Deferral period Minimum 1 year Immediate vesting with required deferral

Key Terms

Phantom Stock, 1 for 1, Deferred Stock Compensation Plan, Non-Employee Directors

4 terms

Phantom Stock financial

"The phantom shares are immediately vested, but subject to a minimum 1-year deferral."

A phantom stock is a form of compensation that gives employees or executives the benefits of stock ownership, such as the increase in stock value, without actually giving them real shares. It acts like a promise to pay the employee the equivalent value of company stock later, often as a bonus or incentive. This allows companies to motivate and reward staff without diluting ownership or transferring actual shares.

1 for 1 financial

"1 for 1"

Deferred Stock Compensation Plan financial

"Deferred Stock Compensation Plan for Non-Employee Directors."

Non-Employee Directors financial

"Deferred Stock Compensation Plan for Non-Employee Directors."

Non-employee directors are board members who do not work for the company as salaried employees and usually do not hold day-to-day management roles. They act like outside referees or independent coaches, providing oversight, asking tough questions, and protecting shareholders’ interests; investors care because these directors help ensure management is accountable, reduce conflicts of interest, and influence decisions that affect company strategy and long-term value.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did DTE Energy (DTB) director Cassandra Santos report in this Form 4?

Director Cassandra Santos reported receiving 1,230 phantom stock units as compensation. These units track DTE common stock on a 1-for-1 basis and were granted at $0.00 per unit, increasing her total phantom stock holdings to 2,448.72 units.

How many phantom stock units does Cassandra Santos now hold related to DTE Energy (DTB)?

After the reported grant, Cassandra Santos holds 2,448.72 phantom stock units. This total includes 1,230 newly granted units plus prior phantom stock acquired through the reinvestment feature of the DTE Energy Company Deferred Stock Compensation Plan for Non-Employee Directors.

Is the DTE Energy (DTB) phantom stock granted to Cassandra Santos immediately vested?

Yes, the phantom stock units are immediately vested upon grant. However, they are subject to a minimum one-year deferral period, meaning payout or settlement is postponed for at least one year under the company’s deferred stock compensation arrangements.

What does 1-for-1 phantom stock mean for DTE Energy (DTB) directors?

A 1-for-1 phantom stock structure means each phantom unit’s value mirrors one share of DTE common stock. Directors like Cassandra Santos receive economic exposure to share performance without receiving actual shares at the time of grant.

Was Cassandra Santos buying or selling DTE Energy (DTB) stock in this Form 4?

Neither a purchase nor a sale occurred in the open market. The Form 4 reports a grant of 1,230 phantom stock units as compensation, classified as an acquisition through a grant or award rather than a discretionary market trade.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/11/2026 - 12:51 PM EDT Learn about SEC filing dates

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

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Santos Cassandra

(Last) (First) (Middle)

ONE ENERGY PLAZA

(Street)

DETROIT MICHIGAN 48226

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
DTE ENERGY CO [ DTE ]

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

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/07/2026

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

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

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

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

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
Phantom Stock	(1)	05/07/2026		A		1,230		(2)	(2)	Common Stock	1,230	$0	2,448.72(3)	D

Explanation of Responses:

1. 1 for 1

2. The phantom shares are immediately vested, but subject to a minimum 1-year deferral.

3. Includes phantom stock acquired through the reinvestment feature under the DTE Energy Company Deferred Stock Compensation Plan for Non-Employee Directors.

Remarks:

	/s/Todd A. Richards, Attorney-in-Fact	05/11/2026
	** 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.
* Form 4: SEC 1474 (03-26)