---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-203149"
form_type: "8-K"
ticker: "VCNX"
cik: "0001205922"
company_name: "VACCINEX, INC."
filed_at: "2024-08-20T23:59:59+00:00"
generated_at: "2026-05-31T08:25:02.635890+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "medium"
source: SEC EDGAR
---

# Vaccinex calls warrants after positive Alzheimer's trial FDG-PET signal

## Summary
- Warrants from Oct/Nov 2023, Feb/Mar 2024 financings called for cancellation at $0.0001/share.
- Call triggered by statistically significant increase in FDG-PET signal in SIGNAL-AD pepinemab trial.
- Warrant holders have 20 or 30 trading days to exercise; unexercised warrants auto-cancel.
- Company plans to explore additional financing options, including warrant inducement or exchange.
- No guarantee of warrant exercise or success of any potential financing transactions.

## SEC filing metadata
- accession: 0001193125-24-203149
- form_type: 8-K
- ticker: VCNX
- cik: 0001205922
- company_name: VACCINEX, INC.
- filed_at: 2024-08-20T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: medium
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1205922/000119312524203149/0001193125-24-203149-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1205922/000119312524203149/d867905d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-203149
- JSON: https://secwatch.observer/filing/0001193125-24-203149.json
- Plain text: https://secwatch.observer/filing/0001193125-24-203149.txt

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