---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-041507"
form_type: "8-K"
ticker: "TOVX"
cik: "0000894158"
company_name: "Theriva Biologics, Inc."
filed_at: "2026-04-09T23:59:59+00:00"
generated_at: "2026-05-15T06:51:44.159041+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Theriva Biologics fails to convene special meeting due to lack of quorum; will call new meeting

## Summary
- Special Meeting on April 9, 2026 lacked quorum; meeting could not convene.
- Company will call new meeting to seek approval for issuance of up to 16,184,560 shares upon exercise of New Warrants.
- Under Inducement Agreement dated Oct 16, 2025, company must continue calling meetings every 60 days until approval or warrants expire.
- Stockholders will receive new proxy materials with date/time of adjourned meeting.

## SEC filing metadata
- accession: 0001104659-26-041507
- form_type: 8-K
- ticker: TOVX
- cik: 0000894158
- company_name: Theriva Biologics, Inc.
- filed_at: 2026-04-09T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/894158/000110465926041507/0001104659-26-041507-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/894158/000110465926041507/tm2611468d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-041507
- JSON: https://secwatch.observer/filing/0001104659-26-041507.json
- Plain text: https://secwatch.observer/filing/0001104659-26-041507.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.