MARK A. EMALFARB - 31 Dec 2025 SCHEDULE 13G/A Report for DYADIC INTERNATIONAL INC. Common Stock (DYAI)

Filing Manager: MARK A. EMALFARB
Reporting Manager: Mark A. Emalfarb
Security: DYADIC INTERNATIONAL INC. Common Stock
Symbol: DYAI
Shares outstanding: 38,145,366 shares
Disclosed Ownership: 6,675,439 shares
Ownership: 18%
Form type: SCHEDULE 13G/A
Filing time: 17 Feb 2026, 16:14:24 UTC
Date of event: 31 Dec 2025
Previous filing: 14 Nov 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
Mark A. Emalfarb	18%	6,675,439	6,675,439	0	/s/ Mark Emalfarb	Self