Mark A. Emalfarb serves as Executive at DYADIC INTERNATIONAL INC, where they oversee executive responsibilities. Since joining the company, Mark A. Emalfarb has executed 19 insider transactions totaling $1.6M, demonstrating a bearish approach to their equity position. Their most recent transaction on Jan 2, 2026 involved receiving (via award) 126,000 shares valued at $0.
Mark A. Emalfarb currently holds 126,000 shares of DYADIC INTERNATIONAL INC (DIL), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Mark A. Emalfarb has been a net seller of DIL stock. They have purchased $0 and sold $1.6M worth of shares.
Mark A. Emalfarb's most recent insider trade was on Jan 2, 2026, when they sold 126,000 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Mar 13, 2024 | DYAI | $0 | Award | 124,454 | $N/A | Discretionary |
| Jan 3, 2023 | DYAI | $191.1K | Award | 138,478 | $1.38 | Discretionary |
| Dec 23, 2021 | DYAI | $117.9K | Sale | 28,767 | $4.10 | Discretionary |
| Dec 23, 2021 | DYAI | $244.5K | Option Exercise | 150,000 | $1.63 | Discretionary |
| Dec 22, 2021 | DYAI | $146.9K | Sale | 35,649 | $4.12 | Discretionary |
| Dec 21, 2021 | DYAI | $114.7K | Sale | 26,486 | $4.33 | Discretionary |
| Jun 9, 2021 | DYAI | $167.0K | Option Exercise | 100,000 | $1.67 | Discretionary |
| Jun 9, 2021 | DYAI | $85.6K | Sale | 23,000 | $3.72 | Discretionary |
| Jun 8, 2021 | DYAI | $114.6K | Sale | 30,000 | $3.82 | Discretionary |
| Jun 7, 2021 | DYAI | $173.8K | Sale | 44,000 | $3.95 | Discretionary |
| Jun 4, 2021 | DYAI | $508.2K | Sale | 132,000 | $3.85 | Discretionary |
| Jun 4, 2021 | DYAI | $668.0K | Option Exercise | 400,000 | $1.67 | Discretionary |
| Jun 3, 2021 | DYAI | $96.5K | Sale | 26,721 | $3.61 | Discretionary |
| Jun 2, 2021 | DYAI | $285.5K | Sale | 76,349 | $3.74 | Discretionary |
| Apr 12, 2019 | DYAI | $21.4K | Option Exercise | 12,500 | $1.71 | Discretionary |
| Apr 12, 2019 | DYAI | $64.1K | Option Exercise | 37,500 | $1.71 | Discretionary |
| May 1, 2006 | DIL | $836.8K | Conversion | 251,298 | $3.33 | Discretionary |