---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-25-029351"
form_type: "8-K"
ticker: "DYAI"
cik: "0001213809"
company_name: "DYADIC INTERNATIONAL INC"
filed_at: "2025-12-29T23:59:59+00:00"
generated_at: "2026-05-16T12:04:24.824031+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Dyadic extends convertible note maturity to Dec 2027, conversion price set at $1.05

## Summary
- Maturity of Senior Secured Convertible Notes extended from March 8, 2027 to December 31, 2027.
- Conversion price amended to $1.05 per share of common stock.
- Holders lose optional redemption right except in event of default under the notes.
- Amendment dated December 23, 2025; affects existing notes due March 2027.

## SEC filing metadata
- accession: 0001493152-25-029351
- form_type: 8-K
- ticker: DYAI
- cik: 0001213809
- company_name: DYADIC INTERNATIONAL INC
- filed_at: 2025-12-29T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1213809/000149315225029351/0001493152-25-029351-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1213809/000149315225029351/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-25-029351
- JSON: https://secwatch.observer/filing/0001493152-25-029351.json
- Plain text: https://secwatch.observer/filing/0001493152-25-029351.txt

## Key facts
- Material Agreements
  DYADIC INTERNATIONAL INC amended Amendment (effective 2025-12-23).
  - Action: amendment
  - Agreement: notes offering
  - Effective: 2025-12-23
  source text: On December 23, 2025, Dyadic International, Inc. (the “Company”) entered into an amendment (the “Amendment”) to the Form of Senior Secured Convertible Promissory Note due March 8, 2027 (the “Convertible Notes”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1213809/000149315225029351/0001493152-25-029351-index.htm

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