EXHIBIT 31.3
RULE 13a-14(a)/15d-14(a) CERTIFICATION
I, Richard Cunningham, certify that:
| 1. | I have reviewed this Amendment No. 1 to the Annual Report on Form 10-K of Tyme Technologies, 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: July 15, 2022 | /s/ Richard Cunningham | |||
| Richard Cunningham | ||||
| Chief Executive Officer | ||||
| (Principal Executive Officer) |