Theriva Biologics, Inc.

TOVX·AMEX·$0.30Share Price as of 11/2·$11MMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/11/26 10-QQ1 ended 03/31/2605/05/26 10-KFY 202503/12/26 10-QQ3 ended 09/30/2511/12/25 10-QQ2 ended 06/30/2508/11/25

Disclosures

8-KCurrent report08/11/26 8-KCurrent report08/06/26 8-KCurrent report08/04/26 8-KCurrent report07/07/26 8-KCurrent report06/11/26

Prospectuses and Registrations

S-8Registration of securities for employees08/24/26 424B5Prospectus supplement12/03/25 S-3Shelf registration11/07/25 424B5Prospectus supplement10/29/25 424B5Prospectus supplement10/24/25

Proxies

DEF 14ADefinitive proxy10/20/26 PRE 14APreliminary proxy10/09/26 DEF 14ADefinitive proxy06/29/26 PRE 14APreliminary proxy06/18/26 DEF 14ADefinitive proxy04/30/26

Ownership

Form 4Insider transaction01/06/26 Form 4Insider transaction01/06/26 Form 4Insider transaction01/06/26 Form 4Insider transaction01/06/26 SC 13GBeneficial ownership11/10/25

Other

ARSAnnual report to shareholders06/29/26 EFFECTRequest for effectiveness12/02/25 CORRESPCorrespondence with the SEC12/01/25 DD10/24/25 ARSAnnual report to shareholders07/09/25