Ronen Tchelet - Jul 7, 2022 Form 4 Insider Report for DYADIC INTERNATIONAL INC (DYAI)

Role: VP of Research and Bus. Dvlpmt
Signature: /s/ Ronen Tchelet
Stock symbol: DYAI
Transactions as of: Jul 7, 2022
Transactions value $: -$17,162
Form type: 4
Date filed: 7/11/2022, 06:40 PM
Previous filing: Jan 5, 2022
Next filing: Jan 5, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	DYAI	Common Stock	Options Exercise	$12.3K	+7.85K		$1.57	7.85K	Jul 7, 2022	Direct
transaction	DYAI	Common Stock	Sale	-$27.5K	-7.85K	-100%	$3.50	0	Jul 7, 2022	Direct	F1, F2
transaction	DYAI	Common Stock	Options Exercise	$1.71K	+1.09K		$1.57	1.09K	Jul 8, 2022	Direct
transaction	DYAI	Common Stock	Sale	-$3.71K	-1.09K	-100%	$3.41	0	Jul 8, 2022	Direct	F1, F2

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	Options Exercise	$0	-7.85K	-15.71%	$0.00	42.1K	Jul 7, 2022	Common Stock	7.85K	$1.57	Direct
transaction	DYAI	Stock Option	Options Exercise	$0	-1.09K	-2.58%	$0.00	41.1K	Jul 8, 2022	Common Stock	1.09K	$1.57	Direct

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

Explanation of Responses:

Id	Content
F1	The sale of the shares of Class A Common Stock was the last transaction made pursuant to Rule 10b5-1 trading plan adopted on May 31, 2022.
F2	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at a range of $3.41 to $3.55, inclusively. The reporting person undertakes to provide to Dyadic International, Inc., any security holder of Dyadic International, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of footnote (1) to this Form 4.

Content

The sale of the shares of Class A Common Stock was the last transaction made pursuant to Rule 10b5-1 trading plan adopted on May 31, 2022.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at a range of $3.41 to $3.55, inclusively. The reporting person undertakes to provide to Dyadic International, Inc., any security holder of Dyadic International, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of footnote (1) to this Form 4.