<SEC-DOCUMENT>0001193125-26-202429-index.html : 20260504
<SEC-HEADER>0001193125-26-202429.hdr.sgml : 20260504
<ACCEPTANCE-DATETIME>20260504063027
ACCESSION NUMBER:		0001193125-26-202429
CONFORMED SUBMISSION TYPE:	424B5
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20260504
DATE AS OF CHANGE:		20260504

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Rein Therapeutics, Inc.
		CENTRAL INDEX KEY:			0001420565
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		EIN:				134196017
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B5
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-295390
		FILM NUMBER:		26934552

	BUSINESS ADDRESS:	
		STREET 1:		12407 N. MOPAC EXPY.
		STREET 2:		SUITE 250 #390
		CITY:			AUSTIN
		STATE:			TX
		ZIP:			78758
		BUSINESS PHONE:		7378021989

	MAIL ADDRESS:	
		STREET 1:		12407 N. MOPAC EXPY.
		STREET 2:		SUITE 250 #390
		CITY:			AUSTIN
		STATE:			TX
		ZIP:			78758

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Aileron Therapeutics, Inc.
		DATE OF NAME CHANGE:	20240329

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AILERON THERAPEUTICS INC
		DATE OF NAME CHANGE:	20071207
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B5
<SEQUENCE>1
<FILENAME>d83075d424b5.htm
<DESCRIPTION>424B5
<TEXT>
Document 1 - file: d83075d424b5.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g83075g01a03.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g83075g01a03.jpg

</DOCUMENT>
</SEC-DOCUMENT>