Company: CELH
Filing Date: 2025-11-12
Form Type: 8-K/A
Source: 0001193125-25-278019
Chunk: 1

Company: Celsius Holdings, Inc.
Filing Date: 2025-11-12
Form: 8-K/A
Chunk 1
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 financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

EXPLANATORY NOTE This Current Report on Form 8-K/A(this “ Amendment”) is being filed as an amendment to the Current Report on Form 8-Kfiled by Celsius Holdings, Inc., a Nevada corporation (“ Celsius”), with the Securities and Exchange Commission on August 29, 2025 (the “ Original Form 8-K”). The Original Form 8-Kreported, among other matters, the completion of Celsius’ acquisition of certain assets, and assumption of certain liabilities, comprising the Rockstar Energy brand in the U.S. and Canada (“ Rockstar” and the acquisition thereof, the “ Rockstar Acquisition”). This Amendment amends the Original Form 8-Ksolely to include the consolidated financial statements of Rockstar and the pro forma financial information required by Items 9.01(a) and 9.01(b) of Form 8-K,respectively. No other amendments are being made to the Original Form 8-K. Except as set forth in this Amendment, the disclosure contained in the Original Form 8-Kremains unchanged, and this Amendment should be read together with the Original Form 8-K,which provides a more complete description of the Rockstar Acquisition. The pro forma financial information included in this Amendment has been presented for informational purposes only, is based on various adjustments and assumptions and is not necessarily indicative of what Celsius’ consolidated statement of operations or consolidated balance sheet would have been had the Rockstar Acquisition been completed as of the dates indicated, nor is such information necessarily indicative of what Celsius’ consolidated statement of operations or balance sheet will be for any future periods.

| Item 9.01 | Financial Statements and Exhibits. |

| (a) | Financial statements of businesses or funds acquired. |

The audited abbreviated financial statements of Rockstar Energy Drink Assets in the United States and Canada as of and for the years ended December 28, 2024 and December 30, 2023 are filed herewith as Exhibit 99.1 to this Current Report on Form 8-K/Aand are incorporated herein by reference. The unaudited interim abbreviated financial statements of Rockstar Energy Drink Assets in the United States and Canada as of June 14, 2025 and December 28, 2024 and for the 24 weeks ended June 14, 2025 and June 15, 2024 are filed herewith as Exhibit 99.2 to this Current Report on Form