DYADIC INTERNATIONAL INC — Director's Dealing 2024

Jan 5, 2024

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DYADIC INTERNATIONAL INC (DYAI)
CIK: 0001213809
Period of Report: 2024-01-02

Reporting Person: HERBST SETH (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2024-01-03	Common Stock	M	27174	—	Acquired	132174	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2024-01-02	Stock Option	$1.59	A	50000	Acquired	2034-01-02	Common Stock (50000)	Direct
2024-01-02	Restricted Stock Unit	$	A	23585	Acquired		Common Stock (23585)	Direct
2024-01-03	Restricted Stock Unit	$	M	27174	Disposed		Common Stock (27174)	Direct

Footnotes

F1: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

F2: Annual grant of stock options.

F3: Receipt of restricted stock units as a result of reduction in directors' cash compensation.

F4: The restricted stock units will be settled 100% in Issuer's common stock when vested upon one year of service as a member of the board of directors.

F5: The restricted stock units previously issued and vested upon one year of service were settled 100% in Issuer's common stock.