Exhibit 31.3
CERTIFICATION PURSUANT TO
RULES 13a-14(a) AND 15d-14(a) UNDER THE SECURITIES EXCHANGE ACT OF 1934,
AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002
I, Tahir Mahmood, certify that:
| 1. I have reviewed this amendment no. 1 to the Annual Report on Form 10-K of Applied Molecular Transport 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: March 25, 2022 | By: | /s/ Tahir Mahmood | ||||
| Tahir Mahmood, Ph.D. | ||||||
| Co-Founder, Chief Executive Officer and Director (Principal Executive Officer) |