Dyadic International, Inc. (DYAI)
Nasdaq: DYAI · Biological Products, (No Diagnostic Substances) · Jupiter, FL · filing with the SEC since 2003
Who runs Dyadic International, Inc.
Officers and directors as they report to the SEC on Forms 3, 4 and 5, named as filedChief executive, as filed
Emalfarb Mark A
CEO. First filing May 2006, latest Jan 6, 2026, 3 filings in all.
Officers reporting now
4
of 7 people with a filing in the last fifteen months
Directors reporting now
3
11 people on the record since 2006
Officerssales are open-market, Sep 30, 2025 to Sep 30, 2026
| Name | Title as filed | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Emalfarb Mark A | CEO | May 2006 | Jan 6, 2026 | none |
| Hazelton Joseph P | President & COO | Nov 2021 | Jan 6, 2026 | none |
| Rawson Ping Wang | Chief Financial Officer | Feb 2019 | Jan 6, 2026 | none |
| Tchelet Ronen | VP of Research and Bus. Dvlpmt | Feb 2019 | Jan 6, 2026 | none |
Directorssales are open-market, Sep 30, 2025 to Sep 30, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Herbst Seth | director | Feb 2019 | Jan 6, 2026 | none |
| Kaye Jack | director | Feb 2019 | Jan 6, 2026 | none |
| Lucy Patrick K. | director | Jan 2021 | Jan 6, 2026 | none |
Owners of more than 10% of a classsales are open-market, Sep 30, 2025 to Sep 30, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Francisco Trust Under Agreement Dated February 28, 1996 | 10% owner | Feb 2006 | Jul 24, 2026 | 3 · $100,000 |
Earlier names on the record5, newest filing first
A person is listed as reporting now after a filing in the last fifteen months. The record shows when someone last filed; it does not say why they stopped. Each name links to the filings on sec.gov.