10 insiders reported 20 Form 4 transactions for DYADIC INTERNATIONAL INC (DYAI) over the past 18 months (most recent 2026-07-06). Recent activity: Francisco Trust under agreement dated February 28, 1996 (Insider) Sell 26,340 shares, Francisco Trust under agreement dated February 28, 1996 (Insider) Sell 25,281 shares, Francisco Trust under agreement dated February 28, 1996 (Insider) Sell 41,143 shares, Francisco Trust under agreement dated February 28, 1996 (Insider) Sell 5,100 shares, Francisco Trust under agreement dated February 28, 1996 (Insider) Sell 40,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-06 | Francisco Trust under agreement dated February 28, 1996 | Insider | Sell | 26,340 | $63,911 |
| 2026-07-06 | Francisco Trust under agreement dated February 28, 1996 | Insider | Sell | 25,281 | $47,339 |
| 2026-07-06 | Francisco Trust under agreement dated February 28, 1996 | Insider | Sell | 41,143 | $75,567 |
| 2026-07-06 | Francisco Trust under agreement dated February 28, 1996 | Insider | Sell | 5,100 | $9,192 |
| 2026-07-06 | Francisco Trust under agreement dated February 28, 1996 | Insider | Sell | 40,000 | $79,072 |
| 2026-07-06 | Francisco Trust under agreement dated February 28, 1996 | Insider | Sell | 20,000 | $38,458 |
| 2026-07-06 | Francisco Trust under agreement dated February 28, 1996 | Insider | Sell | 15,000 | $30,224 |
| 2026-01-06 | TCHELET RONEN | VP of Research and Bus. Dvlpmt | Buy | 18,064 | $0 |
| 2026-01-06 | Lucy Patrick K. | Director | Buy | 21,552 | $0 |
| 2026-01-06 | HERBST SETH | Director | Buy | 21,552 | $0 |
| 2026-01-06 | EMALFARB MARK A | CEO | Buy | 102,609 | $0 |
| 2026-01-06 | Kaye Jack | Director | Buy | 21,552 | $0 |
| 2026-01-06 | Hazelton Joseph P | President & COO | Buy | 36,418 | $0 |
| 2026-01-06 | Rawson Ping Wang | Chief Financial Officer | Buy | 29,158 | $0 |
| 2025-08-05 | Hazelton Joseph P | President and COO | Buy | 26,000 | $24,700 |
| 2025-06-24 | Bose Arindam | Director | Buy | 10,776 | $0 |
| 2025-06-24 | Tarnok Michael P. | Director | Buy | 10,776 | $0 |
| 2025-03-07 | Kaye Jack | Director | Buy | 7,500 | $9,975 |
| 2025-03-07 | Kaye Jack | Director | Buy | 22,500 | $29,925 |
| 2025-03-07 | Kaye Jack | Director | Sell | 27,517 | $39,900 |
Source: SEC Form 4 filings · as of 2026-07-06