false 0001868275 0001868275 2026-04-17 2026-04-17 0001868275 CEG:ConstellationEnergyGenerationMember 2026-04-17 2026-04-17 iso4217:USD xbrli:shares iso4217:USD xbrli:shares

 

 

 

  UNITED STATES SECURITIES AND EXCHANGE COMMISSION  
  Washington, D.C. 20549  
     
  FORM 8-K/A  
     
  CURRENT REPORT  
  Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934  
     
  April 17, 2026  
  Date of Report (Date of earliest event reported)  

 

Commission
File Number
  Name of Registrant; State or Other Jurisdiction of Incorporation; Address of
Principal Executive Offices; and Telephone Number
  IRS Employer Identification
Number
         
001-41137   CONSTELLATION ENERGY CORPORATION   87-1210716
    (a Pennsylvania corporation)
1310 Point Street

Baltimore
, Maryland 21231-3380
(833
883-0162
   
         
333-85496   CONSTELLATION ENERGY GENERATION, LLC   23-3064219
    (a Pennsylvania limited liability company)
200 Energy Way

Kennett Square
, Pennsylvania 19348-2473
(833
883-0162
   

 

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 each exchange on which registered
None        

 

Indicate by check mark whether any of the registrants are emerging growth companies as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ¨

 

If an emerging growth company, indicate by check mark if any of the registrants have 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. ¨

 

Co-Registrant CIK 0001168165
Co-Registrant Amendment Flag false
Co-Registrant Written Communications false
Co-Registrant Solicitating Materials false
Co-Registrant PreCommencement Tender Offer false
Co-Registrant PreCommencement Issuer Tender Offer false
Co-Registrant Entity Emerging Growth Company false

 

 

 

 

 

Explanatory Note

 

This Amendment to the Form 8-K that was originally filed with the U.S. Securities and Exchange Commission on March 20, 2026, is being filed for the sole purpose of updating the Report of Independent Auditors for PricewaterhouseCoopers LLP included in Exhibit 99.1 to the Form 8-K, to include the firm’s conformed signature, which was inadvertently omitted in the original filing. In addition, the consent filed as 23.2 to this Amendment is dated as of the filing date of this Amendment.

 

Item 8.01. Other Events

 

On January 7, 2026, Constellation Energy Corporation (Nasdaq: CEG) (“CEG Parent”) and Constellation Energy Generation, LLC, a Pennsylvania limited liability company (“Constellation”) completed the previously announced transactions contemplated by the Agreement and Plan of Merger, dated January 10, 2025 (the “Merger Agreement”), by and among Calpine Corporation, a Delaware corporation (“Calpine”), certain wholly-owned direct and indirect subsidiaries of Calpine and CEG Parent, and Volt Energy Holdings GP, LLC, a Delaware limited liability company, solely in its capacity as the representative of the stockholders of Calpine (the “Merger”). As a result of the transactions contemplated by the Merger Agreement, Calpine was converted into a limited liability company, Calpine LLC, and became an indirect, wholly owned subsidiary of Constellation. In connection with the completion of the Merger, the following financial statements are filed as exhibits hereto:

 

·The audited consolidated financial statements of Calpine as of December 31, 2025 and 2024 and for the years ended December 31, 2025, 2024 and 2023, and the related notes to the consolidated financial statements, which are filed as Exhibit 99.1 to this Current Report on Form 8-K and are incorporated herein by reference; and

 

·The unaudited pro forma condensed combined financial statements of CEG Parent and Constellation as of and for the year ended December 31, 2025, and the related notes to the unaudited pro forma condensed combined financial statements, which are filed as Exhibit 99.2 to this Current Report on Form 8-K and are incorporated herein by reference.

 

The unaudited pro forma condensed combined financial statements give pro forma effect to the acquisition of Calpine. The pro forma financial statements are derived from the historical financial statements of CEG Parent, Constellation and Calpine.

 

Section 9 - Financial Statements and Exhibits

 

Item 9.01. Financial Statements and Exhibits

 

a) Financial statements of business to be acquired

 

The audited consolidated financial statements of Calpine as of December 31, 2025 and 2024 and for the years ended December 31, 2025, 2024 and 2023, and the related notes to the consolidated financial statements, which are filed as Exhibit 99.1 to this Current Report on Form 8-K and are incorporated herein by reference.

 

b) Pro forma financial information

 

The unaudited pro forma condensed combined financial statements of CEG Parent and Constellation as of and for the year ended December 31, 2025, and the related notes to the pro forma combined financial statements, which are filed as Exhibit 99.2 to this Current Report on Form 8-K and are incorporated herein by reference.

 

 

 

 

Item 9.01. Financial Statements and Exhibits

 

Exhibit No.   Description
23.1   Consent of Deloitte & Touche LLP, independent auditors for Calpine.
23.2   Consent of PricewaterhouseCoopers LLP, independent auditors for Calpine.
99.1   Historical audited financial statements of Calpine as of December 31, 2025 and 2024 and for the years ended December 31, 2025, 2024 and 2023.
99.2   Unaudited pro forma condensed combined financial statements of CEG Parent and Constellation as of and for the year ended December 31, 2025.
101   Cover Page Interactive Data File - the cover page XBRL tags are embedded within the Inline XBRL document.
104   The cover page from the Current Report on Form 8-K, formatted as Inline XBRL.

 

 

 

 

SIGNATURES

 

Pursuant to the requirements of the Securities Exchange Act of 1934, each Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

 

  CONSTELLATION ENERGY CORPORATION
   
  /s/ Shane P. Smith
  Shane P. Smith
  Executive Vice President and Chief Financial Officer
   
   
  CONSTELLATION ENERGY GENERATION, LLC
   
  /s/ Shane P. Smith
  Shane P. Smith
  Executive Vice President and Chief Financial Officer
   

 

April 17, 2026