---
schema_version: "secwatch.filing_event.v1"
accession: "0001558370-24-008803"
form_type: "8-K"
ticker: "SNGX"
cik: "0000812796"
company_name: "SOLIGENIX, INC."
filed_at: "2024-05-31T23:59:59+00:00"
generated_at: "2026-06-01T07:17:51.951500+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Soligenix to effect 1-for-16 reverse stock split effective June 5, 2024

## Summary
- Reverse stock split at 1-for-16 ratio; effective 4:00 p.m. EST June 5, 2024.
- Outstanding shares to reduce from 15,799,837 to ~987,490 (fractional shares rounded up).
- Common stock begins trading on split-adjusted basis June 6, 2024 under ticker SNGX; new CUSIP 834223 604.
- Stockholders approved reverse split at annual meeting; board set ratio at 1-for-16.
- Proportionate adjustments to equity awards and warrants exercise prices.

## SEC filing metadata
- accession: 0001558370-24-008803
- form_type: 8-K
- ticker: SNGX
- cik: 0000812796
- company_name: SOLIGENIX, INC.
- filed_at: 2024-05-31T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 3.03, 5.03, 5.02, 5.07, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/812796/000155837024008803/0001558370-24-008803-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/812796/000155837024008803/sngx-20240530x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001558370-24-008803
- JSON: https://secwatch.observer/filing/0001558370-24-008803.json
- Plain text: https://secwatch.observer/filing/0001558370-24-008803.txt

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