---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-078251"
form_type: "8-K"
ticker: "SNGX"
cik: "0000812796"
company_name: "SOLIGENIX, INC."
filed_at: "2026-06-26T20:06:26+00:00"
generated_at: "2026-06-26T20:07:13.290390+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Soligenix increases ATM offering capacity by $2.5M to raise additional capital

## Summary
- Filed prospectus supplement to increase aggregate offering under Sales Agreement with Rodman & Renshaw by $2.5M.
- Previously sold ~$6.234M of common stock under prior prospectus supplements covering up to $6.406M.
- Total maximum offering amount under the ATM facility now $8.906M ($6.406M + $2.5M).
- Shares sold at market prices; proceeds used for general corporate purposes.

## SEC filing metadata
- accession: 0001104659-26-078251
- form_type: 8-K
- ticker: SNGX
- cik: 0000812796
- company_name: SOLIGENIX, INC.
- filed_at: 2026-06-26T20:06:26+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/812796/000110465926078251/0001104659-26-078251-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/812796/000110465926078251/sngx-20260626x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-078251
- JSON: https://secwatch.observer/filing/0001104659-26-078251.json
- Plain text: https://secwatch.observer/filing/0001104659-26-078251.txt

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