Exhibit 31.3
CERTIFICATION OF THE CHIEF EXECUTIVE OFFICER
PURSUANT
TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 302 OF
THE SARBANES-OXLEY ACT OF 2002
I, Pankaj Mohan, certify that:
| 1. | I have reviewed this Amendment No. 1 on Form 10-K/A of Sonnet BioTherapeutics Holdings, Inc.; and |
| 2. | Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report. |
| Date: April 22, 2020 | /s/ Pankaj Mohan |
| Pankaj Mohan | |
| Chief Executive Officer | |
| (Principal Executive Officer) |