DYADIC INTERNATIONAL INC (DYAI)

Latest Insider Confidence Score

2026Q1

50.4
Bullish

Company insider confidence (by quarter)

2005Q2 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Kitt Barry M 10% Owner 4,363,589 Jan 5, 2016
Francisco Trust under agreement dated February 28, 1996 10% Owner 3,548,528 Sep 20, 2022
Pinnacle Fund L P 10% Owner 1,959,172 Dec 17, 2008
Emerson John Steven — 1,122,100 Nov 13, 2007
Juda Tom — 395,100 Nov 14, 2007

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Jan 2, 2026 Jan 6, 2026 TCHELET RONEN VP of Research and Bus. Dvlpmt Neutral 90.0 +18,064 55.02% ✗ -
Jan 2, 2026 Jan 6, 2026 Rawson Ping Wang CFO Neutral 90.0 +29,158 20.68% ✗ -
Jan 2, 2026 Jan 6, 2026 Lucy Patrick K. Director Neutral 52.5 - 0.00% ✗ -
Jan 2, 2026 Jan 6, 2026 Kaye Jack Director Neutral 52.5 - 0.00% ✗ -
Jan 2, 2026 Jan 6, 2026 HERBST SETH Director Neutral 52.5 - 0.00% ✗ -
Jan 2, 2026 Jan 6, 2026 Hazelton Joseph P COO Neutral 90.0 +36,418 23.44% ✗ -
Jan 2, 2026 Jan 6, 2026 EMALFARB MARK A CEO Neutral 77.5 +102,609 2.17% ✗ -
Dec 23, 2025 Dec 29, 2025 EMALFARB MARK A CEO Neutral 52.5 - 0.00% ✗ -
Sep 15, 2025 Sep 17, 2025 EMALFARB MARK A CEO Neutral 52.5 - 0.00% ✗ -
Aug 1, 2025 Aug 5, 2025 Hazelton Joseph P COO Buy 91.3 +26,000 20.10% ✗ $24.7K
Jun 20, 2025 Jun 24, 2025 Tarnok Michael P. Director Neutral 52.5 - 0.00% ✗ -
Jun 20, 2025 Jun 24, 2025 Bose Arindam Director Neutral 52.5 - 0.00% ✗ -
May 30, 2025 Jun 6, 2025 Hazelton Joseph P COO Neutral 52.5 - 0.00% ✗ -
Mar 5, 2025 Mar 7, 2025 Kaye Jack Director Sell 26.3 -27,517 -31.57% ✗ $39.9K
Jan 6, 2025 Jan 8, 2025 HERBST SETH Director Neutral 52.5 - 0.00% ✗ -
Jan 2, 2025 Jan 7, 2025 Kaye Jack Director Neutral 52.5 - 0.00% ✗ -
Jan 2, 2025 Jan 7, 2025 Tarnok Michael P. Director Neutral 52.5 - 0.00% ✗ -
Jan 2, 2025 Jan 7, 2025 HERBST SETH Director Neutral 52.5 - 0.00% ✗ -
Jan 2, 2025 Jan 7, 2025 Lucy Patrick K. Director Neutral 52.5 - 0.00% ✗ -
Jan 2, 2025 Jan 7, 2025 Rawson Ping Wang CFO Neutral 90.0 +20,776 17.28% ✗ -
Jan 2, 2025 Jan 7, 2025 Bose Arindam Director Neutral 52.5 - 0.00% ✗ -
Jan 2, 2025 Jan 7, 2025 Hazelton Joseph P COO Neutral 90.0 +30,172 30.43% ✗ -
Jan 2, 2025 Jan 7, 2025 TCHELET RONEN VP of Research and Bus. Dvlpmt Neutral 90.0 +8,980 37.65% ✗ -
Jan 2, 2025 Jan 7, 2025 EMALFARB MARK A CEO Neutral 77.5 +73,111 1.57% ✗ -
Nov 22, 2024 Nov 25, 2024 Tarnok Michael P. Director Neutral 52.5 - 0.00% ✗ -
Jun 11, 2024 Jun 13, 2024 Buckland Barry Director Neutral 52.5 - 0.00% ✗ -
May 21, 2024 May 23, 2024 Tarnok Michael P. Director Sell 26.3 -24,431 -9.93% ✗ $40.8K
Apr 11, 2024 Apr 15, 2024 Lucy Patrick K. Director Neutral 52.5 - 0.00% ✗ -
Apr 11, 2024 Apr 15, 2024 Tarnok Michael P. Director Neutral 52.5 - 0.00% ✗ -
Apr 11, 2024 Apr 15, 2024 Hazelton Joseph P Chief Business Officer Neutral 52.5 - 0.00% ✗ -
Mar 13, 2024 Apr 15, 2024 Hazelton Joseph P Chief Business Officer Neutral 90.0 +41,720 72.62% ✗ -
Mar 13, 2024 Apr 15, 2024 EMALFARB MARK A CEO Neutral 82.5 +124,454 2.75% ✗ -
Mar 13, 2024 Apr 15, 2024 Rawson Ping Wang CFO Neutral 90.0 +35,366 41.68% ✗ -
Mar 13, 2024 Apr 15, 2024 TCHELET RONEN VP of Research and Bus. Dvlpmt Neutral 90.0 +11,169 88.06% ✗ -
Jan 3, 2024 Jan 4, 2024 Bose Arindam Director Neutral 52.5 - 0.00% ✗ -
Jan 2, 2024 Jan 4, 2024 EMALFARB MARK A CEO Neutral 52.5 - 0.00% ✗ -
Jan 2, 2024 Jan 4, 2024 Hazelton Joseph P Chief Business Officer Neutral 52.5 - 0.00% ✗ -
Jan 2, 2024 Jan 4, 2024 Rawson Ping Wang CFO Neutral 52.5 - 0.00% ✗ -
Jan 2, 2024 Jan 4, 2024 TCHELET RONEN VP of Research and Bus. Dvlpmt Neutral 52.5 - 0.00% ✗ -
Jan 3, 2024 Jan 4, 2024 Lucy Patrick K. Director Neutral 52.5 - 0.00% ✗ -
Jan 3, 2024 Jan 4, 2024 Buckland Barry Director Neutral 52.5 - 0.00% ✗ -
Jan 3, 2024 Jan 4, 2024 HERBST SETH Director Neutral 52.5 - 0.00% ✗ -
Jan 3, 2024 Jan 4, 2024 Tarnok Michael P. Director Neutral 52.5 - 0.00% ✗ -
Jan 3, 2024 Jan 4, 2024 Kaye Jack Director Neutral 52.5 - 0.00% ✗ -
Nov 21, 2022 Jan 5, 2023 Kaye Jack Director Neutral 27.5 -66,300 -91.19% ✗ -
Jan 3, 2023 Jan 5, 2023 Bose Arindam Director Neutral 52.5 - 0.00% ✗ -
Jan 3, 2023 Jan 5, 2023 Rawson Ping Wang CFO Neutral 90.0 +39,351 86.49% ✗ -
Jan 3, 2023 Jan 5, 2023 EMALFARB MARK A CEO Neutral 82.5 +138,478 3.15% ✗ -
Jan 3, 2023 Jan 5, 2023 Hazelton Joseph P Chief Business Officer Neutral 90.0 +57,448 100.00% ✗ -
Jan 3, 2023 Jan 5, 2023 TCHELET RONEN VP of Research and Bus. Dvlpmt Neutral 90.0 +12,684 100.00% ✗ -
Jan 3, 2023 Jan 5, 2023 Tarnok Michael P. Director Neutral 52.5 - 0.00% ✗ -
Jan 3, 2023 Jan 5, 2023 Kaye Jack Director Neutral 52.5 - 0.00% ✗ -
Jan 3, 2023 Jan 5, 2023 HERBST SETH Director Neutral 52.5 - 0.00% ✗ -
Jan 3, 2023 Jan 5, 2023 Buckland Barry Director Neutral 52.5 - 0.00% ✗ -
Jan 3, 2023 Jan 5, 2023 Lucy Patrick K. Director Neutral 52.5 - 0.00% ✗ -
Jul 27, 2021 Sep 20, 2022 Francisco Trust under agreement dated February 28, 1996 10% Owner Sell 20.0 -175,000 -4.70% ✗ $875K
Jul 7, 2022 Jul 11, 2022 TCHELET RONEN VP of Research and Bus. Dvlpmt Sell 13.8 -8,943 -100.00% ✓ $31.2K
Jun 10, 2022 Jun 14, 2022 Tarnok Michael P. Director Neutral 52.5 - 0.00% ✗ -
Jun 10, 2022 Jun 14, 2022 Lucy Patrick K. Director Neutral 52.5 - 0.00% ✗ -
Jun 10, 2022 Jun 14, 2022 Kaye Jack Director Neutral 52.5 - 0.00% ✗ -
Jun 10, 2022 Jun 14, 2022 HERBST SETH Director Neutral 52.5 - 0.00% ✗ -
Jun 10, 2022 Jun 14, 2022 Buckland Barry Director Neutral 52.5 - 0.00% ✗ -
Jun 10, 2022 Jun 14, 2022 Bose Arindam Director Neutral 52.5 - 0.00% ✗ -
Jan 28, 2022 Jan 31, 2022 HERBST SETH Director Neutral 52.5 - 0.00% ✗ -
Jan 3, 2022 Jan 5, 2022 Bose Arindam Director Neutral 52.5 - 0.00% ✗ -
Jan 3, 2022 Jan 5, 2022 Buckland Barry Director Neutral 52.5 - 0.00% ✗ -
Jan 3, 2022 Jan 5, 2022 EMALFARB MARK A CEO Neutral 52.5 - 0.00% ✗ -
Jan 3, 2022 Jan 5, 2022 Hazelton Joseph P Chief Business Officer Neutral 52.5 - 0.00% ✗ -
Jan 3, 2022 Jan 5, 2022 Kaye Jack Director Neutral 52.5 - 0.00% ✗ -
Jan 3, 2022 Jan 5, 2022 HERBST SETH Director Neutral 52.5 - 0.00% ✗ -
Jan 3, 2022 Jan 5, 2022 Lucy Patrick K. Director Neutral 52.5 - 0.00% ✗ -
Jan 3, 2022 Jan 5, 2022 Rawson Ping Wang CFO Neutral 52.5 - 0.00% ✗ -
Jan 3, 2022 Jan 5, 2022 Tarnok Michael P. Director Neutral 52.5 - 0.00% ✗ -
Jan 3, 2022 Jan 5, 2022 TCHELET RONEN VP of Research and Bus. Dvlpmt Neutral 52.5 - 0.00% ✗ -
Dec 21, 2021 Dec 23, 2021 EMALFARB MARK A CEO Sell 42.5 -90,902 -0.70% ✗ $379.5K
Nov 17, 2021 Hazelton Joseph P Chief Business Officer Neutral 52.5 - 0.00% ✗ -
Jul 27, 2021 Aug 16, 2021 Francisco Trust under agreement dated February 28, 1996 10% Owner Sell 15.0 -175,000 -4.70% ✗ $118.2B
Jun 7, 2021 Jun 9, 2021 EMALFARB MARK A CEO Sell 42.5 -97,000 -0.75% ✗ $374K
Jun 3, 2021 Jun 4, 2021 Rawson Ping Wang CFO Buy 91.3 +11,000 31.88% ✗ $41.1K
Jun 2, 2021 Jun 4, 2021 EMALFARB MARK A CEO Sell 40.0 -235,070 -1.91% ✗ $890.2K
Jun 2, 2021 Jun 3, 2021 Rawson Ping Wang CFO Buy 95.0 +16,000 86.49% ✗ $59.2K
Jan 29, 2021 Feb 2, 2021 HERBST SETH Director Neutral 52.5 - 0.00% ✗ -
Jan 8, 2021 Jan 12, 2021 Lucy Patrick K. Director Neutral 52.5 - 0.00% ✗ -
Jan 12, 2021 Lucy Patrick K. Director Neutral 52.5 - 0.00% ✗ -
Jan 4, 2021 Jan 6, 2021 Bose Arindam Director Neutral 52.5 - 0.00% ✗ -
Jan 4, 2021 Jan 6, 2021 Tarnok Michael P. Director Neutral 52.5 - 0.00% ✗ -
Jan 4, 2021 Jan 6, 2021 Kaye Jack Director Neutral 52.5 - 0.00% ✗ -
Jan 4, 2021 Jan 6, 2021 HERBST SETH Director Neutral 52.5 - 0.00% ✗ -
Jan 4, 2021 Jan 6, 2021 Buckland Barry Director Neutral 52.5 - 0.00% ✗ -
Jan 4, 2021 Jan 6, 2021 Rawson Ping Wang CFO Neutral 52.5 - 0.00% ✗ -
Jan 4, 2021 Jan 6, 2021 EMALFARB MARK A CEO Neutral 52.5 - 0.00% ✗ -
Jan 4, 2021 Jan 6, 2021 Jones Matthew S. Managing Dir of BD & Licensing Neutral 52.5 - 0.00% ✗ -
Jan 4, 2021 Jan 6, 2021 TCHELET RONEN VP of Research and Bus. Dvlpmt Neutral 52.5 - 0.00% ✗ -
Jan 2, 2020 Jan 3, 2020 Jones Matthew S. Managing Dir of BD & Licensing Neutral 52.5 - 0.00% ✗ -
Jan 2, 2020 Jan 3, 2020 TCHELET RONEN VP of Research and Bus. Dvlpmt Neutral 52.5 - 0.00% ✗ -
Jan 2, 2020 Jan 3, 2020 Tarnok Michael P. Director Neutral 52.5 - 0.00% ✗ -
Jan 2, 2020 Jan 3, 2020 Bose Arindam Director Neutral 52.5 - 0.00% ✗ -
Jan 2, 2020 Jan 3, 2020 Kaye Jack Director Neutral 52.5 - 0.00% ✗ -
Jan 2, 2020 Jan 3, 2020 Buckland Barry Director Neutral 52.5 - 0.00% ✗ -
Jan 2, 2020 Jan 3, 2020 EMALFARB MARK A CEO Neutral 52.5 - 0.00% ✗ -