10 insiders reported 23 Form 4 transactions for DYADIC INTERNATIONAL INC (DYAI) over the past 18 months (most recent 2026-07-24). Recent activity: Francisco Trust under agreement dated February 28, 1996 (10% Owner) Sell 38,016 shares, Francisco Trust under agreement dated February 28, 1996 (10% Owner) Sell 54,760 shares, Francisco Trust under agreement dated February 28, 1996 (10% Owner) Sell 2,616 shares, Francisco Trust under agreement dated February 28, 1996 (10% Owner) Sell 26,340 shares, Francisco Trust under agreement dated February 28, 1996 (10% Owner) Sell 25,281 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-24 | Francisco Trust under agreement dated February 28, 1996 | 10% Owner | Sell | 38,016 | $50,481 |
| 2026-07-24 | Francisco Trust under agreement dated February 28, 1996 | 10% Owner | Sell | 54,760 | $71,303 |
| 2026-07-24 | Francisco Trust under agreement dated February 28, 1996 | 10% Owner | Sell | 2,616 | $3,173 |
| 2026-07-06 | Francisco Trust under agreement dated February 28, 1996 | 10% Owner | Sell | 26,340 | $63,911 |
| 2026-07-06 | Francisco Trust under agreement dated February 28, 1996 | 10% Owner | Sell | 25,281 | $47,339 |
| 2026-07-06 | Francisco Trust under agreement dated February 28, 1996 | 10% Owner | Sell | 41,143 | $75,567 |
| 2026-07-06 | Francisco Trust under agreement dated February 28, 1996 | 10% Owner | Sell | 5,100 | $9,192 |
| 2026-07-06 | Francisco Trust under agreement dated February 28, 1996 | 10% Owner | Sell | 40,000 | $79,072 |
| 2026-07-06 | Francisco Trust under agreement dated February 28, 1996 | 10% Owner | Sell | 20,000 | $38,458 |
| 2026-07-06 | Francisco Trust under agreement dated February 28, 1996 | 10% Owner | 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 2026-07-24