DTE Energy VP sells 1,000 shares in open market

DTE Energy executive Lisa A. Muschong, VP, Corporate Secretary & Chief of Staff, reported an open-market sale of 1,000 shares of Common Stock at an average price of $143.7205 per share on May 14, 2026.

Rhea-AI Filing Summary

DTE Energy executive Lisa A. Muschong, VP, Corporate Secretary & Chief of Staff, reported an open-market sale of 1,000 shares of Common Stock at an average price of $143.7205 per share on May 14, 2026. After this sale, she directly holds 6,233 common shares. A separate entry shows 311.0600 common shares held indirectly through a 401K, reflecting shares acquired under the DTE Energy Company Savings and Stock Ownership Plan as of a plan statement dated May 14, 2026.

Insider Trade Summary

Net Seller: 1,000 shares

Net Sell 2 txns

Insider Muschong Lisa A.

Role VP, Corp Sec & Chief of Staff

Sold 1,000 shs ($144K)

Type	Security	Shares	Price	Value
Sale	Common Stock	1,000	$143.7205	$144K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 6,233 shares (Direct); Common Stock — 311.06 shares (Indirect, 401K)

Footnotes (1)

1. F1. Includes shares of DTE common stock acquired under the DTE Energy Company Savings and Stock Ownership Plan (the "Plan") as of a Plan statement dated as of May 14, 2026.

Key Figures

Shares sold: 1,000 shares Sale price per share: $143.7205 per share Direct holdings after transaction: 6,233 shares +2 more

5 metrics

Shares sold 1,000 shares Open-market sale of common stock on May 14, 2026

Sale price per share $143.7205 per share Price for non-derivative common stock sale

Direct holdings after transaction 6,233 shares Common stock directly owned following sale

Indirect 401K holdings 311.0600 shares Shares in Savings and Stock Ownership Plan as of May 14, 2026

Transaction type Open-market sale Form 4 code S, non-derivative common stock

Key Terms

open-market sale, non-derivative, indirect, 401K, +1 more

5 terms

open-market sale financial

"transaction_action: "open-market sale" for the 1,000 common shares"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

non-derivative financial

"transaction_type: "non-derivative" for the 1,000-share common stock sale"

indirect financial

"ownership_type: "indirect" for 311.0600 shares held through a 401K"

401K financial

"nature_of_ownership: "401K" for shares held under the company plan"

An employer-sponsored retirement savings plan in the United States that lets workers set aside part of their paycheck into investments with tax advantages; some plans also include employer matching contributions, which is like free money added to your savings. It matters to investors because 401(k) balances represent a large pool of household retirement assets that influence personal financial security, investor behavior, and long-term demand for stocks and bonds.

Savings and Stock Ownership Plan financial

"shares acquired under the DTE Energy Company Savings and Stock Ownership Plan"

FAQ

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

What insider transaction did DTE Energy VP Lisa Muschong report on this Form 4?

Lisa Muschong reported an open-market sale of 1,000 DTE Energy common shares. The shares were sold at an average price of $143.7205 per share, and the transaction involved non-derivative common stock held directly in her name.

At what price were the DTE Energy shares sold by Lisa Muschong?

The 1,000 DTE Energy common shares were sold at $143.7205 per share. This reported price represents the transaction price per share for the open-market or private transaction recorded on May 14, 2026 in the Form 4 filing.

How many DTE Energy shares does Lisa Muschong hold directly after this transaction?

After the sale, Lisa Muschong directly holds 6,233 DTE Energy common shares. This post-transaction balance is reported in the Form 4 as the total shares of common stock owned directly following the 1,000-share sale.

What indirect DTE Energy holdings does Lisa Muschong report through her 401K?

Lisa Muschong reports 311.0600 DTE Energy common shares held indirectly via a 401K. These shares were acquired under the DTE Energy Company Savings and Stock Ownership Plan, based on a plan statement dated May 14, 2026.

Does the Form 4 show any derivative securities for Lisa Muschong at DTE Energy?

The Form 4 does not list any derivative security transactions for Lisa Muschong. The filing only reports non-derivative common stock activity and a holding entry related to shares in a 401K plan, with no options or other derivatives shown.

What types of ownership are reported for Lisa Muschong’s DTE Energy shares?

The filing shows both direct and indirect ownership for Lisa Muschong. She directly owns 6,233 common shares and indirectly holds 311.0600 common shares through a 401K under the DTE Energy Company Savings and Stock Ownership Plan.

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

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Accepted by SEC EDGAR 05/15/2026 - 11:10 AM 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^*

Muschong Lisa A.

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	VP, Corp Sec & Chief of Staff

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/14/2026

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
Common Stock	05/14/2026		S		1,000	D	$143.7205	6,233	D
Common Stock								311.06(1)	I	401K

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. Includes shares of DTE common stock acquired under the DTE Energy Company Savings and Stock Ownership Plan (the "Plan") as of a Plan statement dated as of May 14, 2026.

Remarks:

	/s/Todd A. Richards, Attorney-in-Fact	05/15/2026
	** 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)