---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-25-013546"
form_type: "8-K"
ticker: "DYAI"
cik: "0001213809"
company_name: "DYADIC INTERNATIONAL INC"
filed_at: "2025-04-29T23:59:59+00:00"
generated_at: "2026-05-23T03:30:01.955652+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Director Arindam Bose to retire at Dyadic's annual meeting on June 20, 2025

## Summary
- Arindam Bose notified Dyadic board of retirement as director.
- Retirement effective at June 20, 2025 annual meeting; Bose will serve until then.
- Retirement not due to any disagreement with company.

## SEC filing metadata
- accession: 0001437749-25-013546
- form_type: 8-K
- ticker: DYAI
- cik: 0001213809
- company_name: DYADIC INTERNATIONAL INC
- filed_at: 2025-04-29T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1213809/000143774925013546/0001437749-25-013546-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1213809/000143774925013546/dyai20250416_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-25-013546
- JSON: https://secwatch.observer/filing/0001437749-25-013546.json
- Plain text: https://secwatch.observer/filing/0001437749-25-013546.txt

## Key facts
- Executive change
  Arindam Bose retired as Director at DYADIC INTERNATIONAL INC.
  - Action: retired
  - Role: Director
  source text: On April 28, 2025, Arindam Bose notified the board of directors (the “Board”) of Dyadic International, Inc. (the “Company”) of his decision to retire as a director of the Board, effective at the Company’s annual meeting to be held on June 20, 2025.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1213809/000143774925013546/0001437749-25-013546-index.htm

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