Initial Statement of Beneficial Ownership (Form 3)

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * Voss Capital, LP 2. Date of Event Requiring Statement (Month/Day/Year) 09/24/2025 3. Issuer Name and Ticker or Trading Symbol Rein Therapeutics, Inc. [RNTX] (Last) (First) (Middle) 3773 RICHMOND AVENUE, SUITE 850 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) 5. If Amendment, Date Original Filed (Month/Day/Year) (Street) HOUSTON, TX 77046 6. Individual or Joint/Group Filing (Check Applicable Line) ___ Form filed by One Reporting Person _X_ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Stock, $0.001 par value(1) 699,440 I By: Voss Value Master Fund, LP(2) Common Stock, $0.001 par value(1) 316,768 I By: Voss Value-Oriented Special Situations Fund, LP(3)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Voss Capital, LP 3773 RICHMOND AVENUE, SUITE 850 HOUSTON, TX 77046		X
Voss Value Master Fund, LP 3773 RICHMOND AVENUE, SUITE 850 HOUSTON, TX 77046		X
Voss Value-Oriented Special Situations Fund, LP 3773 RICHMOND AVENUE, SUITE 850 HOUSTON, TX 77046		X
Voss Advisors GP, LLC 3773 RICHMOND AVENUE, SUITE 850 HOUSTON, TX 77046		X
Cocke Travis W. 3773 RICHMOND AVENUE, SUITE 850 HOUSTON, TX 77046		X

Signatures

Voss Capital, LP; By: /s/ Travis W. Cocke, Managing Member		10/03/2025
**Signature of Reporting Person		Date
Voss Value Master Fund, LP; By: Voss Advisors GP, LLC; By: /s/ Travis W. Cocke, Managing Member		10/03/2025
**Signature of Reporting Person		Date
Voss Value-Oriented Special Situations Fund, LP; By: Voss Advisors GP, LLC; By: /s/ Travis W. Cocke, Managing Member		10/03/2025
**Signature of Reporting Person		Date
Voss Advisors GP, LLC; By: /s/ Travis W. Cocke, Managing Member		10/03/2025
**Signature of Reporting Person		Date
/s/ Travis W. Cocke		10/03/2025
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	This Form 3 is filed jointly by Voss Value Master Fund, LP ("Voss Value Master Fund"), Voss Value-Oriented Special Situations Fund, LP ("Voss Value-Oriented Special Situations Fund"), Voss Advisors GP, LLC ("Voss GP"), Voss Capital, LP ("Voss Capital") and Travis W. Cocke (collectively, the "Reporting Persons"). Each of the Reporting Persons is a member of a group for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, that collectively beneficially owns over 10% of the Issuer's outstanding shares of Common Stock. Each Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.
(2)	Securities owned directly by Voss Value Master Fund. Voss GP, as the general partner of Voss Value Master Fund, may be deemed to beneficially own the securities owned directly by Voss Value Master Fund. Voss Capital, as the investment manager of Voss Value Master Fund, may be deemed to beneficially own the securities owned directly by Voss Value Master Fund. Mr. Cocke, as the managing member of Voss Capital and Voss GP, may be deemed to beneficially own the securities owned directly by Voss Value Master Fund.
(3)	Securities owned directly by Voss Value-Oriented Special Situations Fund. Voss GP, as the general partner of Voss Value-Oriented Special Situations Fund, may be deemed to beneficially own the securities owned directly by Voss Value-Oriented Special Situations Fund. Voss Capital, as the investment manager of Voss Value-Oriented Special Situations Fund, may be deemed to beneficially own the securities owned directly by Voss Value-Oriented Special Situations Fund. Mr. Cocke, as the managing member of Voss Capital and Voss GP, may be deemed to beneficially own the securities owned directly by Voss Value-Oriented Special Situations Fund.

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