Company: DTK
Filing Date: 2025-05-30
Form Type: S-8 POS
Source: 0000936340-25-000154
Chunk: 2

Company: DTE ENERGY CO
Filing Date: 2025-05-30
Form: S-8 POS
Chunk 2
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 Interpretation 126.43, this Post-Effective Amendment to the Prior Registration Statements is filed to reflect that, as of the Effective Date, the previously registered Prior Plan Carry Forward Shares may be issued under the 2025 Plan. This Post-Effective Amendment amends and supplements the items contained in the Prior Registration Statements.

Contemporaneously with the filing of this Post-Effective Amendment covering the Prior Plan, DTE Energy is filing a new Registration Statement on Form S-8 to register 3,000,000 new shares that are available for issuance pursuant to the 2025 Plan. No additional securities are being registered by this Post-Effective Amendment.

# PART II

### INFORMATION REQUIRED IN THE REGISTRATION STATEMENT

## Item 3. Incorporation of Documents by Reference.
The following documents, as filed with the Securities and Exchange Commission, are incorporated herein by reference:

• Annual Report on Form 10-K for the year ended December 31, 2024 (including information specifically incorporated by reference into DTE Energy’s Form 10-K from DTE Energy’s definitive Proxy Statement for its 2025 annual meeting of shareholders);

• Quarterly Report on Form 10-Q for the quarter ended March 31, 2025 ;

• Current Reports on Form 8-K filed on February 7, 2025 , February 14, 2025 , and May 14, 2025 ; and

• the description of the Registrant’s Common Stock , filed as Exhibit 4-311 to DTE Energy’s Form 10-K for the year ended December 31, 2019.

All documents filed by the Registrant pursuant to Section 13(a), 13(c), 14 or 15(d) of the Securities Exchange Act of 1934, after the date of this Registration Statement and prior to the filing of a post-effective amendment which indicates that all securities offered have been sold or which deregisters all such securities remaining unsold, shall be deemed to be incorporated by reference herein and to be a part hereof from the date of filing such documents.

Any statement contained in a document incorporated or deemed to be incorporated by reference herein shall be deemed to be modified or superseded for purposes of this Registration Statement to the extent that a statement contained herein (or in any other subsequently filed document which also is incorporated or deemed to be incorporated by reference herein) modifies or supersedes such statement. Any such statement so modified or superseded shall not be deemed, except as so modified or superseded, to constitute