Exhibit 31.1
Certification Pursuant to Securities Exchange Act Rules 13a-14 and 15d-14 as adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
I, Vu Truong, Chief Executive Officer, certify that:
1. I have reviewed this Amendment No. 1 to Annual Report on Form 10-K/A of Aridis Pharmaceuticals, 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.
| /s/ Vu Truong |
| Vu Truong |
April 18, 2019 | Chief Executive Officer (Principal Executive Officer) |
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