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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1213809	Dyadic International Inc	DYAI	Industrial Organic Chemicals (2860)	450486747

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1761230	Ronen Tchelet	140 Intracoastal Pointe Drive Suite 404 Jupiter FL 33477-5094	Vp Of Research And Bus. Dvlpmt	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2019-07-10	10,000	$1.41	10,000	No	4	M	Direct
Common Stock	Disposition	2019-07-10	10,000	$5.87	0	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Stock Option	Disposition	2019-07-10	10,000	$0.00	10,000	$1.41

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
50,000	2015-12-31	2024-04-30	No	4	M	Direct

Footnotes

The sale of the shares of Class A Common Stock were made pursuant to Rule 10b5-1 trading plan adopted on June 11, 2019.
The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.86 to $5.95, inclusive. 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.