MARK A. EMALFARB - 03 Jan 2023 Form 4 Insider Report for DYADIC INTERNATIONAL INC (DYAI)

Role: President and CEO, Director, 10%+ Owner
Signature: /s/ Mark Emalfarb
Issuer symbol: DYAI
Transactions as of: 03 Jan 2023
Net transactions value: +$191,100
Form type: 4
Filing time: 05 Jan 2023, 18:30:03 UTC
Previous filing: 05 Jan 2022
Next filing: 04 Jan 2024
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	DYAI	Common Stock	Award	$191,100	+138,478	+3.2%	$1.38	4,532,493	03 Jan 2023	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	DYAI	Stock Option	Award	$0	+200,000		$0.000000	200,000	03 Jan 2023	Common Stock	200,000	$1.38	Direct	F2, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The RSUs were granted pursuant to the Issuer's key employee annual bonus, in lieu of a cash bonus earned for the year ended 2022. The RSUs vested in full upon grant.
F2	Annual grant of stock options.
F3	This option vests in four equal installments beginning on the first anniversary of the date of grant.