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DTE · Current Report (Form 8-K) · Filed June 18, 2026

Dte Energy Co — Current Report (Form 8-K)

Form
8-K
Filed
June 18, 2026
Period
Jun 18, 2026
Ticker
DTE
Accession
0000936340-26-000126
Boardroom Alpha · Filing insights

DTE Energy completed a $1 billion sale of 2026 Series C junior subordinated debentures due 2058 under a supplemental indenture.

About Dte Energy Co
Market cap
$28.3B
1Y TSR
+3.1%
3Y TSR
+13.1%
Board grade
C+
Sector
Utilities
CEO
Joi M Harris
Last annual meeting: May 7, 2026 · View full Dte Energy Co profile →
dte-20260618

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
_____________________________
FORM 8-K
_____________________________
CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): 06/18/26

dtecolorlogo.jpg
Commission File Number: 1-11607
DTE Energy Company
Michigan38-3217752
(State or other jurisdiction of incorporation or organization)(I.R.S Employer Identification No.)

Registrants address of principal executive offices: One Energy Plaza, Detroit, Michigan 48226-1221
Registrants telephone number, including area code: (313) 235-4000


Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:
Title of Each Class
Trading Symbol(s)
Name of Exchange on which Registered
Common stock, without par valueDTE
New York Stock Exchange
2017 Series E 5.25% Junior Subordinated Debentures due 2077DTW
New York Stock Exchange
2020 Series G 4.375% Junior Subordinated Debentures due 2080DTB
New York Stock Exchange
2021 Series E 4.375% Junior Subordinated Debentures due 2081DTGNew York Stock Exchange
2025 Series H 6.25% Junior Subordinated Debentures due 2085DTKNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 under the Securities Act (17 CFR 230.405) or Rule 12b-2 under Exchange Act (17 CFR 240.12b-2).
Emerging growth company
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.



Item 8.01. Other Events.

On June 18, 2026, DTE Energy Company (“DTE Energy”) completed its sale of $1,000,000,000 aggregate principal amount of its 2026 Series C 6.200% Fixed-to-Fixed Reset Rate Junior Subordinated Debentures due 2058 (the "Debentures"). The Debentures were registered under the Securities Act of 1933, as amended, pursuant to the shelf registration statement on Form S-3 (File No. 333-286383) of DTE Energy. The Debentures are being issued pursuant to the Amended and Restated Indenture, dated as of April 9, 2001, by and between DTE Energy and The Bank of New York Mellon Trust Company, N.A., as successor trustee, as supplemented by a Supplemental Indenture dated as of June 1, 2026. This Current Report on Form 8-K is being filed to report as exhibits certain documents in connection with the sale of the Debentures.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits
Supplemental Indenture, dated as of June 1, 2026, to the Amended and Restated Indenture, dated as of April 9, 2001, by and between DTE Energy Company and The Bank of New York Mellon Trust Company, N.A., as successor trustee (2026 Series C).
Opinion and Consent of Kathrine Lorenz, Esq., Senior Vice President and Chief Legal Officer of DTE Energy Company, relating to the Debentures.
Opinion and Consent of Hunton Andrews Kurth LLP regarding tax matters.
Consent of Kathrine Lorenz, Esq., Senior Vice President and Chief Legal Officer of DTE Energy (included in the opinion filed as Exhibit 5.1).
Consent of Hunton Andrews Kurth LLP (included in the opinion filed as Exhibit 8.1).
104Cover Page Interactive Data File (embedded within the Inline XBRL document).




SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrants have duly caused this report to be signed on their behalf by the undersigned hereunto duly authorized.

Date: June 18, 2026
DTE ENERGY COMPANY
(Registrant)
/s/ Mark C. Rolling
Mark C. Rolling
Senior Vice President - Finance and Treasurer







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Reference

Frequently asked questions

When did Dte Energy Co file this 8-K?
Dte Energy Co (DTE) filed this Current Report (Form 8-K) with the SEC on June 18, 2026. The accession number assigned by EDGAR is 0000936340-26-000126.
What does an 8-K disclose?
Form 8-K is the SEC's current-report form, used to disclose material events between periodic reports (10-K / 10-Q). Triggers include CEO/CFO departures, acquisitions, bankruptcies, earnings releases, auditor changes, changes in fiscal year, and amendments to corporate governance. Each 8-K is keyed to one or more Item numbers (1.01 through 9.01).
What is the key takeaway from this filing?
DTE Energy completed a $1 billion sale of 2026 Series C junior subordinated debentures due 2058 under a supplemental indenture. This is Boardroom Alpha's one-line summary of the current report; see the full filing text above for the formal disclosure.
What Item codes does an 8-K cover?
An 8-K's Item codes (1.01 through 9.01) specify what kind of event is being disclosed — e.g. Item 1.01 for entering a material agreement, Item 5.02 for departure/election of directors and executive officers, Item 8.01 for other events. The Item codes for this 8-K appear in the filing text above.
Where can I find Dte Energy Co's prior current reports on EDGAR?
The SEC EDGAR browser lists every 8-K Dte Energy Co has filed under CIK 936340, sortable by date. Use the "View on SEC EDGAR" link in the page header, or browse directly via https://www.sec.gov/cgi-bin/browse-edgar.
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