---
schema_version: "secwatch.filing_event.v1"
accession: "0001558370-23-006237"
form_type: "8-K"
ticker: "SNGX"
cik: "0000812796"
company_name: "SOLIGENIX, INC."
filed_at: "2023-04-19T23:59:59+00:00"
generated_at: "2026-06-17T00:04:45.438988+00:00"
event_type: "debt"
sentiment: "negative"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Soligenix amends loan with Pontifax; repays $5M; reduces minimum cash covenant to $1.5M

## Summary
- Repaid $5M of $8M loan principal, leaving $3M outstanding; prepayment premium eliminated.
- Minimum cash covenant reduced from $4.5M to $1.5M; falls to $0 if $10M raised by Dec 31, 2023.
- Conversion price set at 90% of prior day's close for first 588,599 shares; $1.70 thereafter.
- FDA refusal to file HyBryte NDA triggered an Event of Default, waived until Dec 31, 2023 if $5.6M raised.
- Interest-only period extended to Dec 31, 2023 if $5.6M raised; to June 30, 2024 if $10M raised.

## SEC filing metadata
- accession: 0001558370-23-006237
- form_type: 8-K
- ticker: SNGX
- cik: 0000812796
- company_name: SOLIGENIX, INC.
- filed_at: 2023-04-19T23:59:59+00:00
- event_type: debt
- sentiment: negative
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 1.01, 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/812796/000155837023006237/0001558370-23-006237-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/812796/000155837023006237/sngx-20230419x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001558370-23-006237
- JSON: https://secwatch.observer/filing/0001558370-23-006237.json
- Plain text: https://secwatch.observer/filing/0001558370-23-006237.txt

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