---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-070966"
form_type: "8-K"
ticker: "TOVX"
cik: "0000894158"
company_name: "Theriva Biologics, Inc."
filed_at: "2026-06-05T20:05:32+00:00"
generated_at: "2026-06-05T20:15:01.281915+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

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

## Summary
- Special Meeting on June 5, 2026, lacked quorum; meeting not convened.
- Company will call a new meeting to seek stockholder approval for warrant exercise proposal.
- Under Inducement Agreement (Oct 2025), seeks approval for issuance of up to 16,184,560 shares upon warrant exercise.
- Unless waived, must call meeting every 60 days until approval obtained or warrants expire.

## SEC filing metadata
- accession: 0001104659-26-070966
- form_type: 8-K
- ticker: TOVX
- cik: 0000894158
- company_name: Theriva Biologics, Inc.
- filed_at: 2026-06-05T20:05:32+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/894158/000110465926070966/0001104659-26-070966-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/894158/000110465926070966/tm2616886d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-070966
- JSON: https://secwatch.observer/filing/0001104659-26-070966.json
- Plain text: https://secwatch.observer/filing/0001104659-26-070966.txt

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