EXHIBIT 31.3
CERTIFICATION OF CHIEF EXECUTIVE OFFICER
PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002
I, Michael Rossi certify that:
| 1. | I have reviewed this Amendment No. 1 to Annual Report on Form 10-K/A of Y-mAbs Therapeutics, 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 28, 2025 | |
/s/ Michael Rossi | |
Name: Michael Rossi | |
Title: President and Chief Executive Officer | |
(Principal Executive Officer) |
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