Mark A. Emalfarb - Dec 21, 2021 Form 4 Insider Report for DYADIC INTERNATIONAL INC (DYAI)

Role
President and CEO, Director, 10%+ Owner
Signature
/s/ Mark A. Emalfarb
Stock symbol
DYAI
Transactions as of
Dec 21, 2021
Transactions value $
-$135,003
Form type
4
Date filed
12/23/2021, 05:29 PM
Previous filing
Jun 9, 2021
Next filing
Jan 5, 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction DYAI Common Stock Sale -$115K -26.5K -0.61% $4.33 4.31M Dec 21, 2021 Through Mark A. Emalfarb Trust U/A DTD 10/1/1987 F1, F2
transaction DYAI Common Stock Sale -$147K -35.6K -0.83% $4.12 4.27M Dec 22, 2021 Through MarkA Emalfarb Trust U/A/DTD 10/1/1987 F1, F2
transaction DYAI Common Stock Sale -$118K -28.8K -0.67% $4.10 4.24M Dec 23, 2021 Through MarkA. Emalfarb Trust U/A/ DTD 10/1/1987 F1, F2
transaction DYAI Common Stock Options Exercise $245K +150K +3.53% $1.63 4.39M Dec 23, 2021 Through MarkA Emalfarb Trust U/A/DTD 10/1/1987

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 -150K -100% $0.00* 0 Dec 23, 2021 Common Stock 150K $1.63 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 These shares were sold to satisfy exercise price and tax withholding obligations to be funded for options expiring on January 3, 2022. As a result of the option exercises and sale transactions reported on this Form 4, the reporting person's net share ownership increased by 59,098 shares, from 4,334,917 to 4,394,015 shares of Common Stock.
F2 The price reported in Column 4 is a weighted average price. These sold in multiple transactions at prices ranging from $4.46 to $4.28, inclusive, on December 21, 2021, $4.70 to $4.00, inclusive, on December 22, 2021, and $4.15 to $4.05, inclusive, on December 23, 2021. 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 number of shares sold at each individual price within the price ranges set forth in this footnote(2) to this Form 4.
F3 Exercise of reporting person's stock options that would other wise expire January 3, 2022.