Dyadic International, Inc. (DYAI) has 20 known insider and institutional holders on record. The largest holder is KITT BARRY M with 4,363,589 shares. Other notable holders include Francisco Trust under agreement dated February 28, 1996 and Nedwin Glenn E.
Over the last 12 months, insiders have made 13 transactions in DYAI stock — 7 buys (valued at $321.19K) and 0 sells (valued at RSU Award). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
DYAI Insider Ownership
Top Holder
KITT BARRY M
4,363,589 shares
Buys (12 mo)
7
$321.19K value
Sells (12 mo)
0
$0.00 value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Kitt Barry M |
10 Percent Owner |
4,363,589 |
2016-01-05 |
|
| 2 |
Francisco Trust Under Agreement Dated February 28, 1996 |
10 Percent Owner |
3,698,528 |
2022-09-20 |
|
| 3 |
Nedwin Glenn E |
Chief Science Officer |
1,147,555 |
2007-04-09 |
|
| 4 |
Juda Tom |
10 Percent Owner |
395,100 |
2007-11-14 |
|
| 5 |
Moor Wayne |
Chief Financial Officer |
332,889 |
2007-04-09 |
|
| 6 |
Herbst Seth |
Director |
174,509 |
2025-01-08 |
|
| 7 |
Sproat Kent Michael |
Exec Vice Pres - Manufacturing |
150,000 |
2007-04-09 |
|
| 8 |
Emalfarb Mark A |
10 Percent Owner, Officer: CEO |
126,000 |
2026-01-06 |
|
| 9 |
Bondar Alexander V |
VP - Strategy/corp Development |
110,000 |
2007-04-09 |
|
| 10 |
Chandra Ratnesh |
Sr VP Mrktng,biotechnology Sys |
105,000 |
2006-04-06 |
|
| 11 |
Berman Richard J |
Director |
100,000 |
2007-01-08 |
|
| 12 |
Rosengart Harry Z |
Director |
96,667 |
2007-02-23 |
|
| 13 |
Warner Stephen J |
Director |
80,000 |
2007-01-08 |
|
| 14 |
Jones Matthew S. |
Managing Dir of Bd & Licensing |
75,000 |
2021-01-06 |
|
| 15 |
Shapiro Robert B |
Director |
73,750 |
2007-01-08 |
|
| 16 |
Hazelton Joseph P |
President & COO |
67,250 |
2026-01-06 |
|
| 17 |
Tarnok Michael P. |
Director |
54,375 |
2024-04-15 |
|
| 18 |
Rawson Ping Wang |
Chief Financial Officer |
47,250 |
2026-01-06 |
|
| 19 |
Tchelet Ronen |
VP of Research and Bus. Dvlpmt |
47,250 |
2026-01-06 |
|
| 20 |
Buckland Barry |
Director |
38,967 |
2024-06-13 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-01-02 |
Hazelton Joseph P |
President & COO |
RSU Award |
67,250 |
$0.94 |
$63.22K |
| 2026-01-02 |
Rawson Ping Wang |
Chief Financial Officer |
RSU Award |
47,250 |
$0.94 |
$44.42K |
| 2026-01-02 |
Herbst Seth |
Director |
Option Exercise (Sell) |
21,552 |
- |
- |
| 2026-01-02 |
Tchelet Ronen |
VP of Research and Bus. Dvlpmt |
RSU Award |
47,250 |
$0.94 |
$44.42K |
| 2026-01-02 |
Lucy Patrick K. |
Director |
Option Exercise (Sell) |
21,552 |
- |
- |
| 2026-01-02 |
Kaye Jack |
Director |
Option Exercise (Sell) |
21,552 |
- |
- |
| 2026-01-02 |
Emalfarb Mark A |
10 Percent Owner, Officer: CEO |
RSU Award |
126,000 |
$0.94 |
$118.44K |
| 2025-12-23 |
Emalfarb Mark A |
10 Percent Owner, Officer: CEO |
Return of Shares |
- |
$1.40 |
- |
| 2025-09-15 |
Emalfarb Mark A |
10 Percent Owner, Officer: CEO |
Informative Buy |
- |
$1.40 |
- |
| 2025-08-01 |
Hazelton Joseph P |
President and COO |
Informative Buy |
26,000 |
$0.95 |
$24.7K |
| 2025-06-20 |
Bose Arindam |
Director |
Option Exercise (Sell) |
10,776 |
- |
- |
| 2025-06-20 |
Tarnok Michael P. |
Director |
Option Exercise (Sell) |
10,776 |
- |
- |
| 2025-05-30 |
Hazelton Joseph P |
President and COO |
RSU Award |
25,000 |
$1.04 |
$26K |
