Exhibit 31.4
CERTIFICATION OF THE CHIEF FINANCIAL OFFICER
PURSUANT
TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 302 OF
THE SARBANES-OXLEY ACT OF 2002
I, Jay Cross, 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/ Jay Cross |
| Jay Cross | |
| Chief Financial Officer | |
| (Principal Financial Officer) |