Deal facts
- Buyer
- HSI
- Target
- Sonnet BioTherapeutics Holdings, Inc.
- Deal value
- Not disclosed
- Announced
- 3 December 2025
- Status
- Completed
- Sector
- Healthcare
- Country
- United States
- Consideration
- shares
Sources
HSI has agreed to acquire Sonnet BioTherapeutics Holdings, Inc. in a going private transaction valued at an undisclosed amount. The deal consideration consists of shares, with the buyer and target both based in the United States within the Healthcare sector. Although the announcement was made on 3 December 2025, the transaction is recorded as completed on 2 December 2025. No specific financial figures or currency details were reported for this acquisition.
The transaction marks the removal of Sonnet BioTherapeutics Holdings from public markets. HSI will assume full ownership of the company following the exchange of shares for the target's equity. This move concludes the public listing status for the biotechnology firm. The transaction is now complete and subject to no further regulatory conditions.
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1 update- CompletedClosed
HSI completes acquisition of Sonnet BioTherapeutics Holdings, Inc.
Item 2.01 for additional information regarding completion of the Business Combination. Item 2.01 Completion of Acquisition or Disposition of Assets. The disclosure set forth in the “Explanatory Note” is incorporated by reference into this Item 2.01. On the Closing Date, HSI, Sonnet and Rorschach completed the Business Combination and the other transactions contemplated by the BCA, including the Me
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Buyer history
HSI
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