<SEC-DOCUMENT>0001104659-25-026682-index.html : 20250321
<SEC-HEADER>0001104659-25-026682.hdr.sgml : 20250321
<ACCEPTANCE-DATETIME>20250321163111
ACCESSION NUMBER:		0001104659-25-026682
CONFORMED SUBMISSION TYPE:	S-1/A
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20250321
DATE AS OF CHANGE:		20250321

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Theriva Biologics, Inc.
		CENTRAL INDEX KEY:			0000894158
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		IRS NUMBER:				133808303
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-1/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-283722
		FILM NUMBER:		25760976

	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:	Synthetic Biologics, Inc.
		DATE OF NAME CHANGE:	20120305

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-1/A
<SEQUENCE>1
<FILENAME>tm2430478d5_s1a.htm
<DESCRIPTION>FORM S-1/A
<TEXT>
Document 1 - file: tm2430478d5_s1a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>2
<FILENAME>tm2430478d5_ex23-1.htm
<DESCRIPTION>EXHIBIT 23.1
<TEXT>
Document 2 - file: tm2430478d5_ex23-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>tm2430478d2_s1img001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: tm2430478d2_s1img001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>tm2430478d5_s1asp1img001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: tm2430478d5_s1asp1img001.jpg

</DOCUMENT>
</SEC-DOCUMENT>