Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2025-08-01 Purchase | 2025-08-05 5:00 pm | DYADIC INTERNATIONAL INC | DYAI | Hazelton Joseph P President and COO | 26,000 | $0.95 | $24,700 | 155,340 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-01-02 Option Award | 2026-01-06 6:12 pm | N/A 2036-01-02 | DYADIC INTERNATIONAL INC | DYAI | TCHELET RONEN VP of Research and Bus. Dvlpmt | 65,314 | $0 | 98,147 (Direct) | View |
| 2026-01-02 Option Award | 2026-01-06 6:11 pm | N/A 2036-01-02 | DYADIC INTERNATIONAL INC | DYAI | Rawson Ping Wang Chief Financial Officer | 76,408 | $0 | 217,401 (Direct) | View |
| 2026-01-02 Exercise | 2026-01-06 6:10 pm | N/A N/A | DYADIC INTERNATIONAL INC | DYAI | Lucy Patrick K. Director | 21,552 | $0 | 179,705 (Direct) | View |
| 2026-01-02 Option Award | 2026-01-06 6:10 pm | 2027-01-02 2036-01-02 | DYADIC INTERNATIONAL INC | DYAI | Lucy Patrick K. Director | 107,394 | $0 | 179,705 (Direct) | View |
| 2026-01-02 Exercise | 2026-01-06 6:08 pm | N/A N/A | DYADIC INTERNATIONAL INC | DYAI | Kaye Jack Director | 21,552 | $0 | 188,595 (Direct) | View |
| 2026-01-02 Option Award | 2026-01-06 6:08 pm | 2027-01-02 2036-01-02 | DYADIC INTERNATIONAL INC | DYAI | Kaye Jack Director | 107,394 | $0 | 188,595 (Direct) | View |
| 2026-01-02 Exercise | 2026-01-06 6:07 pm | N/A N/A | DYADIC INTERNATIONAL INC | DYAI | HERBST SETH Director | 21,552 | $0 | 292,205 (Direct) | View |
| 2026-01-02 Option Award | 2026-01-06 6:07 pm | 2027-01-02 2036-01-02 | DYADIC INTERNATIONAL INC | DYAI | HERBST SETH Director | 89,894 | $0 | 292,205 (Direct) | View |
| 2026-01-02 Option Award | 2026-01-06 6:05 pm | N/A 2036-01-02 | DYADIC INTERNATIONAL INC | DYAI | Hazelton Joseph P President & COO | 103,668 | $0 | 259,008 (Direct) | View |
| 2026-01-02 Option Award | 2026-01-06 6:04 pm | N/A 2036-01-02 | DYADIC INTERNATIONAL INC | DYAI | EMALFARB MARK A CEO 10% Owner | 228,609 | $0 | 4,958,667 (Direct) | View |
| 2025-12-23 Option Award | 2025-12-29 5:00 pm | N/A 2027-12-31 | DYADIC INTERNATIONAL INC | DYAI | EMALFARB MARK A CEO 10% Owner | 1,000,000 | $0 | 1,000,000 (Indirect) | View |
| 2025-06-20 Exercise | 2025-06-24 10:34 am | N/A N/A | DYADIC INTERNATIONAL INC | DYAI | Tarnok Michael P. Director | 10,776 | $0 | 281,033 (Direct) | View |
| 2025-06-20 Exercise | 2025-06-24 10:34 am | N/A N/A | DYADIC INTERNATIONAL INC | DYAI | Bose Arindam Director | 10,776 | $0 | 61,535 (Direct) | View |
| 2025-05-30 Option Award | 2025-06-06 11:16 am | N/A 2035-05-30 | DYADIC INTERNATIONAL INC | DYAI | Hazelton Joseph P President and COO | 25,000 | $0 | 25,000 (Direct) | View |
| 2025-03-05 Exercise | 2025-03-07 4:07 pm | 2015-04-01 2025-03-31 | DYADIC INTERNATIONAL INC | DYAI | Kaye Jack Director | 30,000 | $0 | 59,649 (Direct) | View |
| 2025-03-05 Tax Withholding | 2025-03-07 4:07 pm | N/A N/A | DYADIC INTERNATIONAL INC | DYAI | Kaye Jack Director | 27,517 | $1.45 | 59,649 (Direct) | View |
| 2025-03-05 Exercise | 2025-03-07 4:07 pm | N/A N/A | DYADIC INTERNATIONAL INC | DYAI | Kaye Jack Director | 30,000 | $1.33 | 59,649 (Direct) | View |
| 2024-01-06 Exercise | 2025-01-08 5:19 pm | 2015-12-31 2025-01-07 | DYADIC INTERNATIONAL INC | DYAI | HERBST SETH Director | 25,000 | $0 | 180,759 (Direct) | View |
| 2025-01-06 Exercise | 2025-01-08 5:19 pm | N/A N/A | DYADIC INTERNATIONAL INC | DYAI | HERBST SETH Director | 25,000 | $0.97 | 180,759 (Direct) | View |
| 2025-01-02 Exercise | 2025-01-07 06:08 am | N/A N/A | DYADIC INTERNATIONAL INC | DYAI | Kaye Jack Director | 23,585 | $0 | 146,218 (Direct) | View |
| 2025-01-02 Option Award | 2025-01-07 06:08 am | 2026-01-02 2035-01-02 | DYADIC INTERNATIONAL INC | DYAI | Kaye Jack Director | 89,052 | $0 | 146,218 (Direct) | View |
| 2025-01-02 Exercise | 2025-01-07 06:07 am | N/A N/A | DYADIC INTERNATIONAL INC | DYAI | Tarnok Michael P. Director | 23,585 | $0 | 306,033 (Direct) | View |
| 2025-01-02 Option Award | 2025-01-07 06:07 am | 2025-06-15 2034-01-02 | DYADIC INTERNATIONAL INC | DYAI | Tarnok Michael P. Director | 35,776 | $0 | 306,033 (Direct) | View |
| 2025-01-02 Exercise | 2025-01-07 06:06 am | N/A N/A | DYADIC INTERNATIONAL INC | DYAI | HERBST SETH Director | 23,585 | $0 | 227,311 (Direct) | View |
| 2025-01-02 Option Award | 2025-01-07 06:06 am | 2026-01-02 2035-01-02 | DYADIC INTERNATIONAL INC | DYAI | HERBST SETH Director | 71,552 | $0 | 227,311 (Direct) | View |
| 2025-01-02 Exercise | 2025-01-07 06:06 am | N/A N/A | DYADIC INTERNATIONAL INC | DYAI | Lucy Patrick K. Director | 23,585 | $0 | 139,811 (Direct) | View |
| 2025-01-02 Option Award | 2025-01-07 06:06 am | 2026-01-02 2035-01-02 | DYADIC INTERNATIONAL INC | DYAI | Lucy Patrick K. Director | 89,052 | $0 | 139,811 (Direct) | View |
| 2025-01-02 Option Award | 2025-01-07 06:05 am | N/A 2035-01-02 | DYADIC INTERNATIONAL INC | DYAI | Rawson Ping Wang Chief Financial Officer | 85,276 | $0 | 205,493 (Direct) | View |
| 2025-01-02 Exercise | 2025-01-07 06:04 am | N/A N/A | DYADIC INTERNATIONAL INC | DYAI | Bose Arindam Director | 23,585 | $0 | 139,811 (Direct) | View |
| 2025-01-02 Option Award | 2025-01-07 06:04 am | 2026-01-02 2035-01-02 | DYADIC INTERNATIONAL INC | DYAI | Bose Arindam Director | 89,052 | $0 | 139,811 (Direct) | View |
| 2025-01-02 Option Award | 2025-01-07 06:02 am | N/A 2035-01-02 | DYADIC INTERNATIONAL INC | DYAI | Hazelton Joseph P Chief Operating Officer | 105,172 | $0 | 204,340 (Direct) | View |
| 2025-01-02 Option Award | 2025-01-07 06:01 am | N/A 2035-01-02 | DYADIC INTERNATIONAL INC | DYAI | TCHELET RONEN VP of Research and Bus. Dvlpmt | 53,980 | $0 | 77,833 (Direct) | View |
| 2025-01-02 Option Award | 2025-01-07 06:01 am | N/A 2035-01-02 | DYADIC INTERNATIONAL INC | DYAI | EMALFARB MARK A President and CEO 10% Owner | 245,111 | $0 | 4,902,058 (Direct) | View |
| 2024-11-22 Exercise | 2024-11-25 11:59 am | 2015-01-08 2025-01-07 | DYADIC INTERNATIONAL INC | DYAI | Tarnok Michael P. Director | 25,000 | $0 | 246,672 (Direct) | View |
| 2024-11-22 Exercise | 2024-11-25 11:59 am | N/A N/A | DYADIC INTERNATIONAL INC | DYAI | Tarnok Michael P. Director | 25,000 | $0.97 | 246,672 (Direct) | View |
| 2024-06-11 Exercise | 2024-06-13 9:26 pm | 2024-06-11 N/A | DYADIC INTERNATIONAL INC | DYAI | Buckland Barry Director | 11,793 | $0 | 116,901 (Direct) | View |
| 2024-06-11 Exercise | 2024-06-13 9:26 pm | N/A N/A | DYADIC INTERNATIONAL INC | DYAI | Buckland Barry Director | 11,793 | $1.59 | 116,901 (Direct) | View |
| 2024-05-21 Exercise | 2024-05-23 3:42 pm | 2014-06-12 2024-06-11 | DYADIC INTERNATIONAL INC | DYAI | Tarnok Michael P. Director | 30,000 | $0 | 221,672 (Direct) | View |
| 2024-05-21 Exercise | 2024-05-23 3:42 pm | N/A N/A | DYADIC INTERNATIONAL INC | DYAI | Tarnok Michael P. Director | 30,000 | $1.36 | 221,672 (Direct) | View |
| 2024-05-21 Tax Withholding | 2024-05-23 3:42 pm | N/A N/A | DYADIC INTERNATIONAL INC | DYAI | Tarnok Michael P. Director | 24,431 | $1.67 | 221,672 (Direct) | View |
| 2024-04-11 Option Award | 2024-04-15 9:42 pm | 2025-04-11 2034-04-11 | DYADIC INTERNATIONAL INC | DYAI | Lucy Patrick K. Director | 13,125 | $0 | 13,125 (Direct) | View |
| 2024-04-11 Option Award | 2024-04-15 9:40 pm | 2025-04-11 2034-04-11 | DYADIC INTERNATIONAL INC | DYAI | Hazelton Joseph P Chief Business Officer | 20,000 | $0 | 20,000 (Direct) | View |
| 2024-03-13 Option Award | 2024-04-15 9:40 pm | N/A N/A | DYADIC INTERNATIONAL INC | DYAI | Hazelton Joseph P Chief Business Officer | 41,720 | $0 | 99,168 (Direct) | View |
| 2024-03-13 Option Award | 2024-04-15 9:39 pm | N/A N/A | DYADIC INTERNATIONAL INC | DYAI | EMALFARB MARK A President and CEO 10% Owner | 124,454 | $0 | 4,656,947 (Direct) | View |
| 2024-03-13 Option Award | 2024-04-15 9:38 pm | N/A N/A | DYADIC INTERNATIONAL INC | DYAI | Rawson Ping Wang Chief Financial Officer | 35,366 | $0 | 120,217 (Direct) | View |
| 2024-03-13 Option Award | 2024-04-15 9:35 pm | N/A N/A | DYADIC INTERNATIONAL INC | DYAI | TCHELET RONEN VP of Research and Bus. Dvlpmt | 11,169 | $0 | 23,853 (Direct) | View |
| 2024-01-03 Exercise | 2024-01-04 8:07 pm | N/A N/A | DYADIC INTERNATIONAL INC | DYAI | Bose Arindam Director | 27,174 | $0 | 118,259 (Direct) | View |
| 2024-01-02 Option Award | 2024-01-04 8:07 pm | 2025-01-02 2034-01-02 | DYADIC INTERNATIONAL INC | DYAI | Bose Arindam Director | 91,085 | $0 | 118,259 (Direct) | View |
| 2024-01-02 Option Award | 2024-01-04 8:07 pm | N/A 2034-01-02 | DYADIC INTERNATIONAL INC | DYAI | EMALFARB MARK A President and CEO 10% Owner | 200,000 | $0 | 200,000 (Direct) | View |
| 2024-01-02 Option Award | 2024-01-04 8:05 pm | N/A 2034-01-02 | DYADIC INTERNATIONAL INC | DYAI | Hazelton Joseph P Chief Business Officer | 75,000 | $0 | 75,000 (Direct) | View |
| 2024-01-02 Option Award | 2024-01-04 8:05 pm | N/A 2034-01-02 | DYADIC INTERNATIONAL INC | DYAI | Rawson Ping Wang Chief Financial Officer | 75,000 | $0 | 75,000 (Direct) | View |
| 2024-01-02 Option Award | 2024-01-04 8:04 pm | 2025-01-02 2034-01-02 | DYADIC INTERNATIONAL INC | DYAI | TCHELET RONEN VP of Research and Bus. Dvlpmt | 37,500 | $0 | 37,500 (Direct) | View |
| 2024-01-03 Exercise | 2024-01-04 8:03 pm | N/A N/A | DYADIC INTERNATIONAL INC | DYAI | Lucy Patrick K. Director | 27,174 | $0 | 100,759 (Direct) | View |
| 2024-01-02 Option Award | 2024-01-04 8:03 pm | 2025-01-02 2034-01-02 | DYADIC INTERNATIONAL INC | DYAI | Lucy Patrick K. Director | 73,585 | $0 | 100,759 (Direct) | View |