---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-22-018819"
form_type: "8-K"
ticker: "SNDX"
cik: "0001395937"
company_name: "Syndax Pharmaceuticals Inc"
filed_at: "2022-09-23T23:59:59+00:00"
generated_at: "2026-06-23T07:40:28.743676+00:00"
event_type: "debt"
sentiment: "positive"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Syndax prepays $21.5M loan, terminates Hercules Capital credit agreement

## Summary
- Prepaid $21.5M to Hercules Capital to satisfy all principal, interest, and fees under Feb 2020 loan; includes $1.0M end-of-term fee and $0.4M prepayment fee.
- Hercules released all security interests on Syndax assets; loan agreement fully terminated as of September 23, 2022.
- Prepayment does not alter prior guidance: current cash sufficient to fund operations into second half of 2024.

## SEC filing metadata
- accession: 0000950170-22-018819
- form_type: 8-K
- ticker: SNDX
- cik: 0001395937
- company_name: Syndax Pharmaceuticals Inc
- filed_at: 2022-09-23T23:59:59+00:00
- event_type: debt
- sentiment: positive
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1395937/000095017022018819/0000950170-22-018819-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1395937/000095017022018819/sndx-20220919.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-22-018819
- JSON: https://secwatch.observer/filing/0000950170-22-018819.json
- Plain text: https://secwatch.observer/filing/0000950170-22-018819.txt

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