Exhibit 31.1
CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER
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, Brian Windsor, certify that:
(1)
I have reviewed this Amendment No. 1 to Annual Report on Form 10-K/A of Rein 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.
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REIN THERAPEUTICS, INC. |
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Date: April 27, 2026 |
By: |
/s/ Brian Windsor |
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Brian Windsor President and Chief Executive Officer |
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(Principal Executive Officer) |