Joseph P. Hazelton - May 30, 2025 Form 4 Insider Report for DYADIC INTERNATIONAL INC (DYAI)

Signature
/s/ Ping Rawson, attorney-in-fact
Stock symbol
DYAI
Transactions as of
May 30, 2025
Transactions value $
$0
Form type
4
Date filed
6/6/2025, 11:16 AM
Previous filing
Jan 7, 2025
Next filing
Aug 5, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Hazelton Joseph P President and COO C/O DYADIC INTERNATIONAL, INC., 1044 NORTH U.S. HIGHWAY ONE, SUITE 201, JUPITER /s/ Ping Rawson, attorney-in-fact 2025-06-03 0001892990

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 +25K $0.00 25K May 30, 2025 Common Stock 25K $1.04 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Granted as part of additional compensation for Mr. Hazelton's new role as President.
F2 This option vests in four equal installments beginning on the first anniversary of the date of grant.