X0508 4 2025-07-11 0 0001106838 Sonnet BioTherapeutics Holdings, Inc. SONN 0001663251 Griffith Donald J. 100 OVERLOOK CENTER, SUITE 102 PRINCETON, NJ 08540 1 1 0 0 Chief Financial Officer 0 Common Stock 2025-07-11 4 A 0 10000 A 10375 D On July 11, 2025, the Reporting Person was granted 10,000 restricted stock units, which will be settled in shares of common stock, par value $0.0001. The restricted stock units vest as to 100% of the restricted stock units on the earlier of (i) January 8, 2026, or (ii) the date of a "Change in Control" (as defined under the Issuer's 2020 Omnibus Equity Incentive Plan). Includes unvested restricted stock units. All amounts reflect the Issuer's 1:22 reverse stock split effective as of August 31, 2023 and 1:8 reverse stock split effective as of September 30, 2024. /s/ Donald J. Griffith 2025-07-15