<SEC-DOCUMENT>0001104659-21-140353-index.html : 20211117
<SEC-HEADER>0001104659-21-140353.hdr.sgml : 20211117
<ACCEPTANCE-DATETIME>20211117083525
ACCESSION NUMBER:		0001104659-21-140353
CONFORMED SUBMISSION TYPE:	424B3
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20211117
DATE AS OF CHANGE:		20211117

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			REGENERX BIOPHARMACEUTICALS INC
		CENTRAL INDEX KEY:			0000707511
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				521253406
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-258873
		FILM NUMBER:		211418484

	BUSINESS ADDRESS:	
		STREET 1:		15245 SHADY GROVE ROAD
		STREET 2:		SUITE 470
		CITY:			ROCKVILLE
		STATE:			MD
		ZIP:			20850
		BUSINESS PHONE:		301-208-9191

	MAIL ADDRESS:	
		STREET 1:		15245 SHADY GROVE ROAD
		STREET 2:		SUITE 470
		CITY:			ROCKVILLE
		STATE:			MD
		ZIP:			20850

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALPHA 1 BIOMEDICALS INC
		DATE OF NAME CHANGE:	19950719
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B3
<SEQUENCE>1
<FILENAME>tm2132848d2_424b3.htm
<DESCRIPTION>424B3
<TEXT>
Document 1 - file: tm2132848d2_424b3.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>tm2132848d2_424b3img001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: tm2132848d2_424b3img001.jpg
</DOCUMENT> </SEC-DOCUMENT>