InsiderTrades

Form 4 for DYAI DYADIC INTERNATIONAL INC

Accepted 2026-01-06 00:00:00 ET · period of report 2026-01-02 · accession 0001493152-26-000658 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
D 2026-01-06 2026-01-02 DYAI Kaye Jack Dir M - OptEx — +21.6K 81.2K +36% —
DM 2026-01-06 2026-01-02 DYAI Kaye Jack Dir A - Grant $0.00 +107.4K 39.9K New $0
D 2026-01-06 2026-01-02 DYAI Kaye Jack Dir M - OptEx $0.00 -21.6K 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-01-02 M A 21,552 — 81,201 D — — (F1) Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.
2 Derivative Stock Option 2026-01-02 A A 67,500 $0.00 67,500 D $0.94 · 2027-01-02 to 2036-01-02 67,500 Common Stock
3 Derivative Restricted Stock Unit 2026-01-02 M D 21,552 $0.00 0 D — · — to — 21,552 Common Stock (F1) Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. (F5) The restricted stock units previously issued and vested upon the first anniversary of the date of grant, subject to continued service as a member of the board of directors, were settled 100% in Issuer's common stock.
4 Derivative Restricted Stock Unit 2026-01-02 A A 39,894 $0.00 39,894 D — · — to — 39,894 Common Stock (F1) Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. (F4) The restricted stock units will be settled 100% in Issuer's common stock when vested upon the first anniversary of the date of grant, subject to continued service as a member of the board of directors.