<SEC-DOCUMENT>0001213900-19-003219-index.html : 20190227
<SEC-HEADER>0001213900-19-003219.hdr.sgml : 20190227
<ACCEPTANCE-DATETIME>20190227171446
ACCESSION NUMBER:		0001213900-19-003219
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20190226
FILED AS OF DATE:		20190227
DATE AS OF CHANGE:		20190227

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Essetifin SPA
		CENTRAL INDEX KEY:			0001092601
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15070
		FILM NUMBER:		19638811

	MAIL ADDRESS:	
		STREET 1:		VIA SUDAFRICA 20
		CITY:			ROME
		STATE:			L6
		ZIP:			00144

	FORMER NAME:	
		FORMER CONFORMED NAME:	SIGMA TAU FINANZIARIA SPA
		DATE OF NAME CHANGE:	20030516

	FORMER NAME:	
		FORMER CONFORMED NAME:	SIGMA TAU FINANZIARIA
		DATE OF NAME CHANGE:	19990805

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CAVAZZA PAOLO
		CENTRAL INDEX KEY:			0001163608

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15070
		FILM NUMBER:		19638812

	MAIL ADDRESS:	
		STREET 1:		VIA TESSERETE, 10
		CITY:			LUGANO
		STATE:			V8
		ZIP:			V8

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Cavazza Enrico
		CENTRAL INDEX KEY:			0001525744

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15070
		FILM NUMBER:		19638813

	MAIL ADDRESS:	
		STREET 1:		VIA PONTINA KM 30,400
		CITY:			POMEZIA (ROME)
		STATE:			L6
		ZIP:			00040

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Cavazza Francesca
		CENTRAL INDEX KEY:			0001525742

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15070
		FILM NUMBER:		19638814

	MAIL ADDRESS:	
		STREET 1:		VIA PONTINA KM 30,400
		CITY:			POMEZIA (ROME)
		STATE:			L6
		ZIP:			00040

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Cavazza Silvia
		CENTRAL INDEX KEY:			0001525743

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15070
		FILM NUMBER:		19638815

	MAIL ADDRESS:	
		STREET 1:		VIA PONTINA KM 30,400
		CITY:			POMEZIA (ROME)
		STATE:			L6
		ZIP:			00040

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Cavazza Preta Martina
		CENTRAL INDEX KEY:			0001718557

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15070
		FILM NUMBER:		19638816

	MAIL ADDRESS:	
		STREET 1:		VIA SUDAFRICA 20
		CITY:			ROME
		STATE:			L6
		ZIP:			00144

ISSUER:		

	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

	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>4
<SEQUENCE>1
<FILENAME>ownership.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
Document 1 - file: ownership.html

Document 1 - RAW XML: ownership.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>f4022619ex99-1essetifin_rege.htm
<DESCRIPTION>JOINT FILERS SIGNATURES
<TEXT>
Document 2 - file: f4022619ex99-1essetifin_rege.htm

</DOCUMENT>
</SEC-DOCUMENT>