Mark A. Emalfarb - Jun 2, 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
Jun 2, 2021
Transactions value $
-$222,208
Form type
4
Date filed
6/4/2021, 08:25 PM
Next filing
Jun 9, 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction DYAI Common Stock Sale -$286K -76.3K -1.83% $3.74 4.09M Jun 2, 2021 Through Mark A. Emalfarb Trust U/A DTD 10/1/1987 F1, F2
transaction DYAI Common Stock Sale -$96.5K -26.7K -0.65% $3.61 4.06M Jun 3, 2021 Through Mark A Emalfarb Trust U/A DTD 10/1/1987 F1, F2
transaction DYAI Common Stock Sale -$508K -132K -3.25% $3.85 3.93M Jun 4, 2021 Through Mark A Emalfarb Trust U/A/ DTD 10/1/1987 F1, F2
transaction DYAI Common Stock Options Exercise $668K +400K +10.17% $1.67 4.33M Jun 4, 2021 Through Mark A. 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 -400K -100% $0.00* 0 Jun 4, 2021 Common Stock 400K $1.67 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 June 21, 2021. As a result of the option exercises and sale transactions reported on this Form 4, the reporting person's net share ownership increased by 164,930 shares, from 4,166,987 to 4,331,917 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 $3.82 to $3.65, inclusive, on June 2, 2021, $3.70 to $3.60, inclusive, on June 3, 2021, and $4.00 to $3.70, inclusive, on June 4, 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 the number of footnote (2) to this Form 4.
F3 Exercise of reporting person's stock options that would otherwise expire June 21, 2021.