Mark A. Emalfarb

Holdings History for DYADIC INTERNATIONAL INC - Common Stock (DYAI)

Symbol: DYAI on Nasdaq
Investment type: Equity / Common Stock
Latest Disclosed Shares Owned: 6,675,439 shares
Security Ownership %: 18%

Mark A. Emalfarb ownership in DYADIC INTERNATIONAL INC Common Stock (DYAI)

17 Feb 2026 - Mark A. Emalfarb has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 6,675,439 shares of DYADIC INTERNATIONAL INC Common Stock (DYAI). This represents 18% ownership of the company. In their previous filing dated 14 Nov 2025, Mark A. Emalfarb had reported owning 6,244,344 shares, indicating an increase of +6.9%. .

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filing time
Mark A. Emalfarb	18%	+5.3%	$6,274,913	6,675,439	+431,095	+6.9%	$0.94	13G/A	31 Dec 2025	17 Feb 2026, 16:14
Mark A. Emalfarb	17%		$7,368,326	6,244,344			$1.18	13G/A	30 Sep 2025	14 Nov 2025, 17:21