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 B  AB  JB*  OB  OE*  OE
 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
DYADIC INTERNATIONAL INC: DYAI
Price: 11/7/25 52-Wk
High		 52-Wk
Low		 Mkt Cap (mm) Shrs Out (mm) 3-Mth Ave
Vol (m)		 Ind. Yield Short Int
% Float		 Inst. Owned Insider Owned
$0.94 $2.20 $0.71 $34 36 120 0.0% 0.4% 15.21% 25.17%
Exch Sector Industry Sub-Industry
NasdaqCM Manufacturing Chemicals And Allied Products Biological Products, (No Disgnostic Substances)
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#
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Insider Statistics
T N H M S
Filer Name
Insider Title
Trans Type
Dollar Value
Shares Traded
Trans Date From
Trans Date To
Trans Price From
Trans Price To
Total Holdings
Delta % Owned
Owned
Other Info
Input Date
1
    
 
TCHELET RONEN
VP,BD
JB
---
18,064
---
1/2/26
---
---
50,897
55.0
D
---
1/6/26 - 6:12:29 pm
2
    
 
RAWSON PING WANG
CFO
JB
---
29,158
---
1/2/26
---
---
170,151
20.7
D
---
1/6/26 - 6:11:42 pm
3
    
 
LUCY PATRICK K
DIR
JB
---
21,552
---
1/2/26
---
---
72,311
42.5
D
R
1/6/26 - 6:10:38 pm
4
    
 
KAYE JACK
DIR
JB
---
21,552
---
1/2/26
---
---
81,201
36.1
D
R
1/6/26 - 6:08:16 pm
5
    
 
HERBST SETH
DIR
JB
---
21,552
---
1/2/26
---
---
202,311
11.9
D
R
1/6/26 - 6:07:37 pm
6
    
 
HAZELTON JOSEPH P
PR,COO
JB
---
36,418
---
1/2/26
---
---
191,758
23.4
D
---
1/6/26 - 6:05:16 pm
7
    
 
EMALFARB MARK A
CEO,DIR,BO
JB
---
102,609
---
1/2/26
---
---
4,832,667
2.2
D
---
1/6/26 - 6:04:36 pm
8
    
 
HAZELTON JOSEPH P
PR,COO
JB*
$24,700
26,000
---
8/1/25
---
$0.95
155,340
20.1
D
---
8/5/25 - 5:00:10 pm
9
    
 
TARNOK MICHAEL P
DIR
JB
---
10,776
---
6/20/25
---
---
281,033
4.0
D
R
6/24/25 - 10:34:28 am
10
    
 
BOSE ARINDAM
DIR
JB
---
10,776
---
6/20/25
---
---
61,535
21.2
D
R
6/24/25 - 10:34:02 am
11
1y
1
100%
-47%
3
KAYE JACK
DIR
OS
$39,900
27,517
---
3/5/25
---
$1.45
59,649
-31.6
D
---
3/7/25 - 4:07:16 pm
12
    
 
KAYE JACK
DIR
OE
$39,900
30,000
---
3/5/25
---
$1.33
87,166
52.5
D
---
3/7/25 - 4:07:16 pm
13
    
 
HERBST SETH
DIR
OB
$24,250
25,000
---
1/6/25
---
$0.97
180,759
16.1
D
---
1/8/25 - 5:19:28 pm
14
    
 
KAYE JACK
DIR
JB
---
23,585
---
1/2/25
---
---
57,166
70.2
D
R
1/7/25 - 6:08:20 am
15
    
 
TARNOK MICHAEL P
DIR
JB
---
23,585
---
1/2/25
---
---
270,257
9.6
D
R
1/7/25 - 6:07:38 am
16
    
 
HERBST SETH
DIR
JB
---
23,585
---
1/2/25
---
---
155,759
17.8
D
R
1/7/25 - 6:06:53 am
17
    
 
LUCY PATRICK K
DIR
JB
---
23,585
---
1/2/25
---
---
50,759
86.8
D
R
1/7/25 - 6:06:13 am
18
    
 
RAWSON PING WANG
CFO
JB
---
20,776
---
1/2/25
---
---
140,993
17.3
D
---
1/7/25 - 6:05:16 am
19
    
 
BOSE ARINDAM
DIR
JB
---
23,585
---
1/2/25
---
---
50,759
86.8
D
R
1/7/25 - 6:04:33 am
20
    
 
HAZELTON JOSEPH P
COO
JB
---
30,172
---
1/2/25
---
---
129,340
30.4
D
---
1/7/25 - 6:02:37 am
21
    
 
TCHELET RONEN
VP,BD
JB
---
8,980
---
1/2/25
---
---
32,833
37.6
D
---
1/7/25 - 6:01:46 am
22
    
 
EMALFARB MARK A
PR,CEO,DIR,BO
JB
---
73,111
---
1/2/25
---
---
4,730,058
1.6
D
---
1/7/25 - 6:01:03 am
23
1y
1
0%
-50%
2
TARNOK MICHAEL P
DIR
OB
$24,250
25,000
---
11/22/24
---
$0.97
246,672
11.3
D
---
11/25/24 - 11:59:59 am
24
1y
1
0%
-57%
2
BUCKLAND BARRY
DIR
OB
$18,751
11,793
---
6/11/24
---
$1.59
38,967
43.4
D
R
6/13/24 - 9:26:02 pm
25
1y
1
100%
-41%
2
TARNOK MICHAEL P
DIR
OS
$40,800
24,431
---
5/21/24
---
$1.67
221,672
-9.9
D
---
5/23/24 - 3:42:57 pm
26
    
 
TARNOK MICHAEL P
DIR
OE
$40,800
30,000
---
5/21/24
---
$1.36
246,103
13.9
D
---
5/23/24 - 3:42:57 pm
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