SONN (Sonnet BioTherapeutics Holdings, Inc.) is no longer actively trading.
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Sonnet BioTherapeutics Holdings, Inc., a biotechnology company based in Princeton, New Jersey, operates in the clinical stage with a primary focus on oncology. The firm is dedicated to developing novel platforms for creating biologic medicines that can exhibit either singular or dual therapeutic mechanisms. Central to their strategy is a proprietary fully human albumin binding technology. This innovative system employs human single-chain antibody fragments specifically engineered to bind to human serum albumin, leveraging it for enhanced delivery and transport to target tissues. Their leading…

Hyperliquid Strategies Common Stock Expected to Begin Trading on Nasdaq on Wednesday, December 3 Under the Ticker “PURR” Hyperliquid Strategies Common Stock Expected to Begin Trading on Nasdaq on Wednesday, December 3 Under the Ticker “PURR”

PRINCETON, N. J. , Dec. 02, 2025 (GLOBE NEWSWIRE) -- Sonnet BioTherapeutics Holdings, Inc. , (NASDAQ: SONN) ("Sonnet" or the "Company") today announced that its stockholders approved, among other things, the proposed business combination with Hyperliquid Strategies Inc ("HSI") and Rorschach I LLC at its special meeting of stockholders.

PRINCETON, N.J., Nov. 18, 2025 (GLOBE NEWSWIRE) -- Sonnet BioTherapeutics Holdings, Inc., (NASDAQ: SONN) (“Sonnet” or the “Company”) today announced that it has adjourned its special meeting of stockholders (the “Special Meeting”) in order to provide stockholders additional time within which to vote on its proposed business combination (the “Business Combination”) with Hyperliquid Strategies Inc (“HSI”) and Rorschach I LLC (“Rorschach”), and the other proposals to be considered at the special meeting.

HOUSTON, Oct. 15, 2025 (GLOBE NEWSWIRE) -- Sonnet BioTherapeutics Holdings, Inc. (NASDAQ:SONN) is collaborating with Spanios on a non-clinical study using New Alternate Methodologies (NAM)-based patient-derived tumoroid (PDT) platforms that emulate the tumor microenvironment (TME) ex vivo to evaluate the effect of SON-1010 (IL-12-FHAB) in soft tissue sarcoma. The study aims to speed up the development of treatments for patients with rare and difficult-to-treat cancers.

PRINCETON, N.J., Sept. 19, 2025 (GLOBE NEWSWIRE) -- Sonnet BioTherapeutics Holdings, Inc. (NASDAQ:SONN) (the "Company" or "Sonnet"), a clinical-stage company developing immunotherapeutic drugs targeted to the tumor microenvironment (TME), today announced that Raghu Rao, Interim Chief Executive Officer of Sonnet, will present on Thursday, September 25, 2025 at 9:40 AM PT at the MedInvest Biotech & Pharma Conference being held in Palo Alto, California.