DYAI

DYADIC INTERNATIONAL INC

Biological Products, (No Diagnostic Substances)NasdaqNon-accelerated filer<br>Smaller reporting company

Total Trades

2

Buys

0

Sells

1

Largest Trade

$15K–$50K

Insiders

1

Institutional Funds

31

Inst. Value

$1M+

Activist Filings

12

Insider Trades

InsiderTitleTypeValueSharesPriceDate
TCHELET RONENVP of Research and…EXERCISE$1K–$15K9K$1.57Jul 11, 2022
TCHELET RONENVP of Research and…SELL$15K–$50K9K$3.49Jul 11, 2022
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Institutional Ownership

13F filings as of Dec 31, 2025 · 31 funds holding

Activist & 5%+ Owners

SC 13D/13G filings — investors holding 5%+ of outstanding shares

Mark A. Emalfarb

SC 13G/A · Feb 17, 2026

17.5%

6.7M shares

Mark A. Emalfarb

SC 13G/A · Nov 14, 2025

16.6%

6.2M shares

Bandera Partners LLC

SC 13G/A · Aug 19, 2025

4.6%

1.4M shares

11.5%

3.4M shares

BANDERA PARTNERS LLC

SC 13G/A · Feb 13, 2024

5.4%

1.6M shares

12.3%

3.5M shares

12.4%

3.5M shares

Mark A. Emalfarb

SC 13G/A · Feb 14, 2023

17.7%

5.2M shares

BANDERA PARTNERS LLC

SC 13G/A · Feb 13, 2023

5.5%

1.6M shares

12.6%

3.5M shares

Mark A. Emalfarb

SC 13G/A · Feb 14, 2022

17.9%

5.2M shares

BANDERA PARTNERS LLC

SC 13G · Feb 14, 2022

5.6%

1.6M shares

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