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Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.
On December 12, 2025 (the “Effective Date”), ALT5 Sigma Corporation (the “Company”) and Peter Tassiopoulos, the former Chief Executive Officer of the Company, mutually agreed to enter into a Separation Agreement and Mutual Release of Claims (the “Separation Agreement”) pursuant to which Mr. Tassiopoulos’ employment with the Company and its affiliates, and his Employment Agreement dated August 26, 2024, will conclude on December 15, 2025 (the “Separation Date”), the Company will pay Mr. Tassiopoulos all salary and wages due and owing through the Separation Date (“Past Due Compensation”), and Mr. Tassiopoulos and the Company mutually release claims as well as other terms.
Upon payment of the Past Due Compensation, following the Separation Date, the Company has no further economic, compensatory or benefit related obligations to Mr. Tassiopoulos. There is no reference to nor admission of wrongdoing by any party.
Mr. Tassiopoulos has also tendered his resignation from the board of directors effective on December 15, 2025. Mr. Tassiopoulos has agreed to remain available for any transition assistance required by the Company.
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
| ALT5 SIGMA CORPORATION | ||
| Date: December 12, 2025 | By: | /s/ Tony Isaac |
| Tony Isaac | ||
| Acting Chief Executive Officer | ||