---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-231158"
form_type: "8-K"
ticker: "ALDX"
cik: "0001341235"
company_name: "Aldeyra Therapeutics, Inc."
filed_at: "2024-10-02T23:59:59+00:00"
generated_at: "2026-05-30T22:13:37.242250+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Aldeyra extends Hercules loan maturity to April 2026; interest rate floor 11.10%

## Summary
- Fourth Amendment extends interest-only period to April 1, 2026 and maturity to same date.
- Outstanding $15M term loan; interest rate increased to Prime + 3.10% (floor 11.10%).
- New $300K end-of-term charge payable at maturity or prepayment.
- No other changes to loan covenants or collateral; reaffirms existing security interests.

## SEC filing metadata
- accession: 0001193125-24-231158
- form_type: 8-K
- ticker: ALDX
- cik: 0001341235
- company_name: Aldeyra Therapeutics, Inc.
- filed_at: 2024-10-02T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1341235/000119312524231158/0001193125-24-231158-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1341235/000119312524231158/d875044d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-231158
- JSON: https://secwatch.observer/filing/0001193125-24-231158.json
- Plain text: https://secwatch.observer/filing/0001193125-24-231158.txt

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