    <SEC-DOCUMENT>0001104659-24-104497-index.html : 20241001
    <SEC-HEADER>0001104659-24-104497.hdr.sgml : 20241001
    <ACCEPTANCE-DATETIME>20240930204357
    ACCESSION NUMBER:		0001104659-24-104497
    CONFORMED SUBMISSION TYPE:	ARS
    PUBLIC DOCUMENT COUNT:		1
    CONFORMED PERIOD OF REPORT:	20231231
    FILED AS OF DATE:		20241001
    DATE AS OF CHANGE:		20240930
    EFFECTIVENESS DATE:		20241001

    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:		ARS
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-12584
    		FILM NUMBER:		241340993

    	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>ARS
    <SEQUENCE>1
    <FILENAME>tm2422916d2_ars.pdf
    <DESCRIPTION>ARS
    <TEXT>
    Document 1 - file: tm2422916d2_ars.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>