InsiderTrades

Form 4 for DYAI DYADIC INTERNATIONAL INC

Accepted 2025-08-05 00:00:00 ET · period of report 2025-08-01 · accession 0001641172-25-022280 · 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
2025-08-05 2025-08-01 DYAI Hazelton Joseph P Pres, COO P - Purchase $0.95 +26.0K 155.3K +20% +$24.7K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-08-01 P A 26,000 $0.95 155,340 D — — (F1) Purchased by Mr. Hazelton from the underwriter as part of the Issuer's public offering (the "Offering") of its common stock at the public offering price, pursuant to the Issuer's effective shelf registration statement on Form S-3 (File No. 333-273829). The Offering closed on August 1, 2025.