<SEC-DOCUMENT>0000921895-21-000589-index.html : 20210302
<SEC-HEADER>0000921895-21-000589.hdr.sgml : 20210302
<ACCEPTANCE-DATETIME>20210302153311
ACCESSION NUMBER:		0000921895-21-000589
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20210302
DATE AS OF CHANGE:		20210302

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Synthetic Biologics, Inc.
		CENTRAL INDEX KEY:			0000894158
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				133808303
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-50777
		FILM NUMBER:		21703196

	BUSINESS ADDRESS:	
		STREET 1:		9605 MEDICAL CENTER DRIVE
		STREET 2:		SUITE 270
		CITY:			ROCKVILLE
		STATE:			MD
		ZIP:			20850
		BUSINESS PHONE:		(734) 332-7800

	MAIL ADDRESS:	
		STREET 1:		9605 MEDICAL CENTER DRIVE
		STREET 2:		SUITE 270
		CITY:			ROCKVILLE
		STATE:			MD
		ZIP:			20850

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ADEONA PHARMACEUTICALS, INC.
		DATE OF NAME CHANGE:	20081027

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PIPEX PHARMACEUTICALS, INC.
		DATE OF NAME CHANGE:	20061214

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SHEFFIELD PHARMACEUTICALS INC
		DATE OF NAME CHANGE:	19970730

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Custodian Ventures LLC.
		CENTRAL INDEX KEY:			0001830402
		IRS NUMBER:				824343920
		STATE OF INCORPORATION:			WY
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		1185 AVENUE OF THE AMERICAS, 3RD FLOOR.
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036
		BUSINESS PHONE:		212-520-1819

	MAIL ADDRESS:	
		STREET 1:		1185 AVENUE OF THE AMERICAS, 3RD FLOOR.
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>sc13da112227005_03022021.htm
<DESCRIPTION>AMENDMENT NO. 1 TO THE SCHEDULE 13D
<TEXT>
Document 1 - file: sc13da112227005_03022021.htm

</DOCUMENT>
</SEC-DOCUMENT>