---
schema_version: "secwatch.filing_event.v1"
accession: "0001558370-22-018987"
form_type: "8-K"
ticker: "SNGX"
cik: "0000812796"
company_name: "SOLIGENIX, INC."
filed_at: "2022-12-27T23:59:59+00:00"
generated_at: "2026-06-20T23:11:02.573904+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Soligenix declares Series D Preferred Stock dividend to enable reverse stock split vote for Nasdaq compliance

## Summary
- Record date Jan 3, 2023; distribution Jan 4, 2023; each common share gets 1/1000th of Series D.
- Series D carries 1,000 votes per share on reverse stock split proposal only.
- Company received Nasdaq deficiency letter for minimum bid price non-compliance.
- Reverse stock split needed to maintain listing; stock price did not respond as hoped despite NDA submission.
- Unredeemed Series D shares redeemed automatically upon stockholder approval of reverse split.

## SEC filing metadata
- accession: 0001558370-22-018987
- form_type: 8-K
- ticker: SNGX
- cik: 0000812796
- company_name: SOLIGENIX, INC.
- filed_at: 2022-12-27T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 3.03, 5.03, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/812796/000155837022018987/0001558370-22-018987-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/812796/000155837022018987/tmb-20221221x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001558370-22-018987
- JSON: https://secwatch.observer/filing/0001558370-22-018987.json
- Plain text: https://secwatch.observer/filing/0001558370-22-018987.txt

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