Mark A. Emalfarb - Jan 3, 2022 Form 4 Insider Report for DYADIC INTERNATIONAL INC (DYAI)

Role
President and CEO, Director, 10%+ Owner
Signature
/s/ Mark Emalfarb
Stock symbol
DYAI
Transactions as of
Jan 3, 2022
Transactions value $
$0
Form type
4
Date filed
1/5/2022, 04:32 PM
Previous filing
Dec 23, 2021
Next filing
Jan 5, 2023

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 +200K $0.00 200K Jan 3, 2022 Common Stock 200K $4.81 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Annual grant of stock options.
F2 This option vests in four equal installments beginning on the first anniversary of the date of grant.