Form 4 for DYAI DYADIC INTERNATIONAL INC
Accepted 2026-01-06 00:00:00 ET · period of report 2026-01-02 · accession 0001493152-26-000664 · 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 | TCHELET RONEN | VP of Research, Bus. Dvlpmt | A - Grant | $0.00 | +18.1K | 50.9K | +55% | $0 |
| D | 2026-01-06 | 2026-01-02 | DYAI | TCHELET RONEN | VP of Research, Bus. Dvlpmt | A - Grant | $0.00 | +47.2K | 47.2K | New | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-01-02 | A | A | 18,064 | $0.00 | 50,897 | D | — | — | (F1) Represents common stock issued upon the vesting of RSUs. The RSUs were granted pursuant to the Issuer's key employee annual bonus, in lieu of a cash bonus earned for the year ended 2025. The RSUs vested in full upon grant. |
| 2 | Derivative | Stock Option | 2026-01-02 | A | A | 47,250 | $0.00 | 47,250 | D | $0.94 · — to 2036-01-02 | 47,250 Common Stock | (F2) Annual grant of stock options. (F3) This option vests in one year, subject to continued service to the Issuer. |