United States Biotechnology & Medical Research

Dyadic International Inc (DYAI)

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Dyadic International Inc. experienced notable insider trading activity recently, characterized by significant divestments from a major shareholder. The Francisco Trust, a ten percent owner, executed multiple sales totaling over 124,000 dollars within the last quarter. These transactions occurred amidst a 38.9 percent stock price increase, preceding the upcoming August 2026 results financiers.
Ticker: DYAI Exchange: NAS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Dyadic International Inc. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Hazelton Joseph P President and COO Officer
Transaction date
Purchase
Price
0.95
Quantity 26,000 +20.1%
Value US$24,700
TCHELET RONEN VP of Research and Bus. Dvlpmt Officer
Transaction date
Planned sale
Price
3.41
Quantity 1,089 -100.0%
Value US$3,713
TCHELET RONEN VP of Research and Bus. Dvlpmt Officer
Transaction date
Planned sale
Price
3.50
Quantity 7,854 -100.0%
Value US$27,489
2.8
EMALFARB MARK A President and CEO Executive Director Large shareholder
Transaction date
Sale
Price
4.10
Quantity 28,767 -0.7%
Value US$117,945
2.8
EMALFARB MARK A President and CEO Executive Director Large shareholder
Transaction date
Sale
Price
4.12
Quantity 35,649 -0.8%
Value US$146,874
2.8
EMALFARB MARK A President and CEO Executive Director Large shareholder
Transaction date
Sale
Price
4.33
Quantity 26,486 -0.6%
Value US$114,684
2.8
EMALFARB MARK A President and CEO Executive Director Large shareholder
Transaction date
Sale
Price
3.72
Quantity 23,000 -0.5%
Value US$85,560
2.8
EMALFARB MARK A President and CEO Executive Director Large shareholder
Transaction date
Sale
Price
3.82
Quantity 30,000 -0.7%
Value US$114,600
2.8
EMALFARB MARK A President and CEO Executive Director Large shareholder
Transaction date
Sale
Price
3.95
Quantity 44,000 -1.0%
Value US$173,800
2.8
Rawson Ping Wang Chief Financial Officer Officer
Transaction date
Purchase
Price
3.60
Quantity 3,320 +52.4%
Value US$11,952
2.8
Rawson Ping Wang Chief Financial Officer Officer
Transaction date
Purchase
Price
3.60
Quantity 1,350 +3.9%
Value US$4,860
2.8
Rawson Ping Wang Chief Financial Officer Officer
Transaction date
Purchase
Price
3.89
Quantity 174 +2.8%
Value US$677
2.8
Rawson Ping Wang Chief Financial Officer Officer
Transaction date
Purchase
Price
3.83
Quantity 6,156 +inf%
Value US$23,577
2.8
Rawson Ping Wang Chief Financial Officer Officer
Transaction date
Purchase
Price
3.70
Quantity 16,000 +86.5%
Value US$59,200
TCHELET RONEN VP of Research and Bus. Dvlpmt Officer
Transaction date
Planned sale
Price
5.80
Quantity 4,575 -100.0%
Value US$26,535
TCHELET RONEN VP of Research and Bus. Dvlpmt Officer
Transaction date
Planned sale
Price
5.84
Quantity 5,425 -54.2%
Value US$31,682
Buckland Barry Non-Executive Director
Transaction date
Sale
Price
6.18
Quantity 15,000 -100.0%
Value US$92,700
TCHELET RONEN VP of Research and Bus. Dvlpmt Officer
Transaction date
Planned sale
Price
5.99
Quantity 10,000 -100.0%
Value US$59,900
TCHELET RONEN VP of Research and Bus. Dvlpmt
Transaction date
Planned sale
Price
6.08
Quantity 5,218 -100.0%
Value US$31,725
TCHELET RONEN VP of Research and Bus. Dvlpmt
Transaction date
Planned sale
Price
6.04
Quantity 4,782 -100.0%
Value US$28,883
TCHELET RONEN VP of Research and Bus. Dvlpmt
Transaction date
Planned sale
Price
5.27
Quantity 10,000 -100.0%
Value US$52,700
TCHELET RONEN VP of Research and Bus. Dvlpmt Officer
Transaction date
Planned sale
Price
5.75
Quantity 6,300 -100.0%
Value US$36,225
TCHELET RONEN VP of Research and Bus. Dvlpmt Officer
Transaction date
Planned sale
Price
5.72
Quantity 3,700 -100.0%
Value US$21,164
TCHELET RONEN VP of Research and Bus. Dvlpmt
Transaction date
Planned sale
Price
5.87
Quantity 10,000 -100.0%
Value US$58,700
TCHELET RONEN VP of Research and Bus. Dvlpmt
Transaction date
Planned sale
Price
6.44
Quantity 20,000 -100.0%
Value US$128,800
TCHELET RONEN VP of Research and Bus. Dvlpmt
Transaction date
Planned sale
Price
6.11
Quantity 20,000 -100.0%
Value US$122,200
KITT BARRY M Large shareholder
Transaction date
Purchase
Price
0.15
Quantity 1,500 +0.1%
Value US$225
KITT BARRY M Large shareholder
Transaction date
Purchase
Price
0.15
Quantity 6,200 +0.3%
Value US$930
KITT BARRY M Large shareholder
Transaction date
Purchase
Price
0.15
Quantity 54,500 +2.9%
Value US$8,175
KITT BARRY M Large shareholder
Transaction date
Purchase
Price
0.15
Quantity 10,300 +0.5%
Value US$1,545
KITT BARRY M Large shareholder
Transaction date
Purchase
Price
0.15
Quantity 1,900 +0.1%
Value US$285
KITT BARRY M Large shareholder
Transaction date
Purchase
Price
0.15
Quantity 300 +0.0%
Value US$45
KITT BARRY M Large shareholder
Transaction date
Purchase
Price
0.15
Quantity 25,700 +1.4%
Value US$3,855
KITT BARRY M Large shareholder
Transaction date
Purchase
Price
0.15
Quantity 9,000 +0.5%
Value US$1,350
KITT BARRY M Large shareholder
Transaction date
Purchase
Price
0.15
Quantity 8,900 +0.5%
Value US$1,335
KITT BARRY M Large shareholder
Transaction date
Purchase
Price
0.10
Quantity 7,200 +0.4%
Value US$720
KITT BARRY M Large shareholder
Transaction date
Purchase
Price
0.10
Quantity 19,700 +1.1%
Value US$1,970
KITT BARRY M Large shareholder
Transaction date
Purchase
Price
0.20
Quantity 23,400 +1.3%
Value US$4,589
WARNER STEPHEN J Non-Executive Director
Transaction date
Sale
Price
2.11
Quantity 1,000 -0.4%
Value US$2,110
WARNER STEPHEN J Non-Executive Director
Transaction date
Sale
Price
2.12
Quantity 5,000 -1.8%
Value US$10,600
WARNER STEPHEN J Non-Executive Director
Transaction date
Sale
Price
2.10
Quantity 3,000 -1.1%
Value US$6,300
WARNER STEPHEN J Non-Executive Director
Transaction date
Sale
Price
2.08
Quantity 4,000 -1.4%
Value US$8,320
WARNER STEPHEN J Non-Executive Director
Transaction date
Sale
Price
2.06
Quantity 1,000 -0.3%
Value US$2,060
WARNER STEPHEN J Non-Executive Director
Transaction date
Sale
Price
2.24
Quantity 200 -0.1%
Value US$448
WARNER STEPHEN J Non-Executive Director
Transaction date
Sale
Price
2.28
Quantity 1,000 -0.3%
Value US$2,280
WARNER STEPHEN J Non-Executive Director
Transaction date
Sale
Price
2.26
Quantity 2,000 -0.7%
Value US$4,520
WARNER STEPHEN J Non-Executive Director
Transaction date
Sale
Price
2.58
Quantity 5,000 -1.7%
Value US$12,900
WARNER STEPHEN J Non-Executive Director
Transaction date
Sale
Price
2.60
Quantity 3,000 -1.0%
Value US$7,800
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-07-24 2026-07-24 S Sale
4.0
Francisco Trust under agreement dated February 28, 1996
Large shareholder
80,267 +6.4%
23.31
US$3,798,277 		80,267 +6.4% 23.31 US$3,798,277
2026-07-24 2026-07-23 S Sale
4.0
Francisco Trust under agreement dated February 28, 1996
Large shareholder
69,021 +10.7%
209.07
US$2,992,196 		69,021 +10.7% 209.07 US$2,992,196
2026-07-24 2026-07-22 S Sale
4.0
Francisco Trust under agreement dated February 28, 1996
Large shareholder
82,713 -22.3%
162.18
US$3,434,021 		82,713 -22.3% 162.18 US$3,434,021
2026-07-21 2026-07-21 PrS Proposed sale
4.0
Francisco Trust under agreement dated February 28, 1996

Greater than 10% holder

Large shareholder
364,387
1.48
US$539,296 		364,387 1.48 US$539,296
2025-08-05 2025-08-01 B Purchase
Hazelton Joseph P

President and COO

Officer
26,000 +20.1%
0.95
US$24,700 		26,000 +20.1% 0.95 US$24,700
2025-07-18 2025-07-18 PrS Proposed sale
4.0
Francisco Trust under agreement dated February 28, 1996

Greater than 10% holder

Large shareholder
300,906
0.98
US$294,888 		300,906 0.98 US$294,888
2026-07-06 2025-01-07 S Sale
4.0
Francisco Trust under agreement dated February 28, 1996
Large shareholder
15,000 -0.4%
2.01
US$30,224 		15,000 -0.4% 2.01 US$30,224
2026-07-06 2025-01-06 S Sale
4.0
Francisco Trust under agreement dated February 28, 1996
Large shareholder
20,000 -0.6%
1.92
US$38,458 		20,000 -0.6% 1.92 US$38,458
2026-07-06 2024-12-30 S Sale
4.0
Francisco Trust under agreement dated February 28, 1996
Large shareholder
40,000 -1.2%
1.98
US$79,072 		40,000 -1.2% 1.98 US$79,072
2026-07-06 2024-12-24 S Sale
4.0
Francisco Trust under agreement dated February 28, 1996
Large shareholder
5,100 -0.1%
1.80
US$9,192 		5,100 -0.1% 1.80 US$9,192
2026-07-06 2024-12-23 S Sale
4.0
Francisco Trust under agreement dated February 28, 1996
Large shareholder
41,143 -1.2%
1.84
US$75,567 		41,143 -1.2% 1.84 US$75,567
2026-07-06 2024-12-20 S Sale
4.0
Francisco Trust under agreement dated February 28, 1996
Large shareholder
25,281 -0.7%
1.87
US$47,339 		25,281 -0.7% 1.87 US$47,339
2024-12-20 2024-12-20 PrS Proposed sale
4.0
Francisco Trust under agreement dated February 28, 1996

Greater than 10% holder

Large shareholder
295,893
1.91
US$563,676 		295,893 1.91 US$563,676
2026-07-06 2024-06-06 S Sale
4.0
Francisco Trust under agreement dated February 28, 1996
Large shareholder
26,340 -0.7%
2.43
US$63,911 		26,340 -0.7% 2.43 US$63,911
2024-06-06 2024-06-06 PrS Proposed sale
4.0
Francisco Trust under agreement dated February 28, 1996

10% stockholder

Large shareholder
292,400
2.25
US$657,900 		292,400 2.25 US$657,900
2022-07-11 2022-07-08 PlS Planned sale
TCHELET RONEN

VP of Research and Bus. Dvlpmt

Officer
1,089 -100.0%
3.41
US$3,713 		1,089 -100.0% 3.41 US$3,713
2022-07-11 2022-07-07 PlS Planned sale
TCHELET RONEN

VP of Research and Bus. Dvlpmt

Officer
7,854 -100.0%
3.50
US$27,489 		7,854 -100.0% 3.50 US$27,489
2021-12-23 2021-12-23 S Sale
2.8
EMALFARB MARK A

President and CEO

Executive Director Large shareholder
28,767 -0.7%
4.10
US$117,945 		28,767 -0.7% 4.10 US$117,945
2021-12-23 2021-12-22 S Sale
2.8
EMALFARB MARK A

President and CEO

Executive Director Large shareholder
35,649 -0.8%
4.12
US$146,874 		35,649 -0.8% 4.12 US$146,874
2021-12-23 2021-12-21 S Sale
2.8
EMALFARB MARK A

President and CEO

Executive Director Large shareholder
26,486 -0.6%
4.33
US$114,684 		26,486 -0.6% 4.33 US$114,684
2021-06-09 2021-06-09 S Sale
2.8
EMALFARB MARK A

President and CEO

Executive Director Large shareholder
23,000 -0.5%
3.72
US$85,560 		23,000 -0.5% 3.72 US$85,560
2021-06-09 2021-06-08 S Sale
2.8
EMALFARB MARK A

President and CEO

Executive Director Large shareholder
30,000 -0.7%
3.82
US$114,600 		30,000 -0.7% 3.82 US$114,600
2021-06-09 2021-06-07 S Sale
2.8
EMALFARB MARK A

President and CEO

Executive Director Large shareholder
44,000 -1.0%
3.95
US$173,800 		44,000 -1.0% 3.95 US$173,800
2021-06-04 2021-06-03 B Purchase
2.8
Rawson Ping Wang

Chief Financial Officer

Officer
3,320 +52.4%
3.60
US$11,952 		3,320 +52.4% 3.60 US$11,952
2021-06-04 2021-06-03 B Purchase
2.8
Rawson Ping Wang

Chief Financial Officer

Officer
1,350 +3.9%
3.60
US$4,860 		1,350 +3.9% 3.60 US$4,860
2021-06-04 2021-06-02 B Purchase
2.8
Rawson Ping Wang

Chief Financial Officer

Officer
174 +2.8%
3.89
US$677 		174 +2.8% 3.89 US$677
2021-06-04 2021-06-02 B Purchase
2.8
Rawson Ping Wang

Chief Financial Officer

Officer
6,156 +inf%
3.83
US$23,577 		6,156 +inf% 3.83 US$23,577
2021-06-03 2021-06-02 B Purchase
2.8
Rawson Ping Wang

Chief Financial Officer

Officer
16,000 +86.5%
3.70
US$59,200 		16,000 +86.5% 3.70 US$59,200
2019-12-12 2019-12-11 PlS Planned sale TCHELET RONEN

VP of Research and Bus. Dvlpmt

Officer
4,575 -100.0%
5.80
US$26,535 		4,575 -100.0% 5.80 US$26,535
2019-12-12 2019-12-10 PlS Planned sale TCHELET RONEN

VP of Research and Bus. Dvlpmt

Officer
5,425 -54.2%
5.84
US$31,682 		5,425 -54.2% 5.84 US$31,682
2019-12-05 2019-12-03 S Sale Buckland Barry Non-Executive Director
15,000 -100.0%
6.18
US$92,700 		15,000 -100.0% 6.18 US$92,700
2019-11-12 2019-11-11 PlS Planned sale TCHELET RONEN

VP of Research and Bus. Dvlpmt

Officer
10,000 -100.0%
5.99
US$59,900 		10,000 -100.0% 5.99 US$59,900
2019-10-11 2019-10-11 PlS Planned sale
TCHELET RONEN

VP of Research and Bus. Dvlpmt
5,218 -100.0%
6.08
US$31,725 		5,218 -100.0% 6.08 US$31,725
2019-10-11 2019-10-10 PlS Planned sale
TCHELET RONEN

VP of Research and Bus. Dvlpmt
4,782 -100.0%
6.04
US$28,883 		4,782 -100.0% 6.04 US$28,883
2019-09-12 2019-09-10 PlS Planned sale
TCHELET RONEN

VP of Research and Bus. Dvlpmt
10,000 -100.0%
5.27
US$52,700 		10,000 -100.0% 5.27 US$52,700
2019-08-14 2019-08-13 PlS Planned sale TCHELET RONEN

VP of Research and Bus. Dvlpmt

Officer
6,300 -100.0%
5.75
US$36,225 		6,300 -100.0% 5.75 US$36,225
2019-08-14 2019-08-12 PlS Planned sale TCHELET RONEN

VP of Research and Bus. Dvlpmt

Officer
3,700 -100.0%
5.72
US$21,164 		3,700 -100.0% 5.72 US$21,164
2019-07-11 2019-07-10 PlS Planned sale
TCHELET RONEN

VP of Research and Bus. Dvlpmt
10,000 -100.0%
5.87
US$58,700 		10,000 -100.0% 5.87 US$58,700
2019-06-20 2019-06-18 PlS Planned sale
TCHELET RONEN

VP of Research and Bus. Dvlpmt
20,000 -100.0%
6.44
US$128,800 		20,000 -100.0% 6.44 US$128,800
2019-06-19 2019-06-17 PlS Planned sale
TCHELET RONEN

VP of Research and Bus. Dvlpmt
20,000 -100.0%
6.11
US$122,200 		20,000 -100.0% 6.11 US$122,200
2008-12-17 2008-12-16 B Purchase KITT BARRY M Large shareholder
1,500 +0.1%
0.15
US$225 		1,500 +0.1% 0.15 US$225
2008-12-17 2008-12-15 B Purchase KITT BARRY M Large shareholder
6,200 +0.3%
0.15
US$930 		6,200 +0.3% 0.15 US$930
2008-12-12 2008-12-12 B Purchase KITT BARRY M Large shareholder
54,500 +2.9%
0.15
US$8,175 		54,500 +2.9% 0.15 US$8,175
2008-12-12 2008-12-11 B Purchase KITT BARRY M Large shareholder
10,300 +0.5%
0.15
US$1,545 		10,300 +0.5% 0.15 US$1,545
2008-12-12 2008-12-10 B Purchase KITT BARRY M Large shareholder
1,900 +0.1%
0.15
US$285 		1,900 +0.1% 0.15 US$285
2008-12-09 2008-12-09 B Purchase KITT BARRY M Large shareholder
300 +0.0%
0.15
US$45 		300 +0.0% 0.15 US$45
2008-12-09 2008-12-08 B Purchase KITT BARRY M Large shareholder
25,700 +1.4%
0.15
US$3,855 		25,700 +1.4% 0.15 US$3,855
2008-12-09 2008-12-05 B Purchase KITT BARRY M Large shareholder
9,000 +0.5%
0.15
US$1,350 		9,000 +0.5% 0.15 US$1,350
2008-12-04 2008-12-04 B Purchase KITT BARRY M Large shareholder
8,900 +0.5%
0.15
US$1,335 		8,900 +0.5% 0.15 US$1,335
2008-12-04 2008-12-03 B Purchase KITT BARRY M Large shareholder
7,200 +0.4%
0.10
US$720 		7,200 +0.4% 0.10 US$720
2008-12-04 2008-12-02 B Purchase KITT BARRY M Large shareholder
19,700 +1.1%
0.10
US$1,970 		19,700 +1.1% 0.10 US$1,970
2008-11-18 2008-11-17 B Purchase KITT BARRY M Large shareholder
23,400 +1.3%
0.20
US$4,589 		23,400 +1.3% 0.20 US$4,589
2005-12-22 2005-12-02 S Sale WARNER STEPHEN J Non-Executive Director
1,000 -0.4%
2.11
US$2,110 		1,000 -0.4% 2.11 US$2,110
2005-12-22 2005-11-30 S Sale WARNER STEPHEN J Non-Executive Director
5,000 -1.8%
2.12
US$10,600 		5,000 -1.8% 2.12 US$10,600
2005-12-22 2005-11-30 S Sale WARNER STEPHEN J Non-Executive Director
3,000 -1.1%
2.10
US$6,300 		3,000 -1.1% 2.10 US$6,300
2005-12-22 2005-11-30 S Sale WARNER STEPHEN J Non-Executive Director
4,000 -1.4%
2.08
US$8,320 		4,000 -1.4% 2.08 US$8,320
2005-12-22 2005-11-29 S Sale WARNER STEPHEN J Non-Executive Director
1,000 -0.3%
2.06
US$2,060 		1,000 -0.3% 2.06 US$2,060
2005-12-22 2005-11-23 S Sale WARNER STEPHEN J Non-Executive Director
200 -0.1%
2.24
US$448 		200 -0.1% 2.24 US$448
2005-12-22 2005-11-21 S Sale WARNER STEPHEN J Non-Executive Director
1,000 -0.3%
2.28
US$2,280 		1,000 -0.3% 2.28 US$2,280
2005-12-22 2005-11-21 S Sale WARNER STEPHEN J Non-Executive Director
2,000 -0.7%
2.26
US$4,520 		2,000 -0.7% 2.26 US$4,520
2005-06-13 2005-06-09 S Sale WARNER STEPHEN J Non-Executive Director
5,000 -1.7%
2.58
US$12,900 		5,000 -1.7% 2.58 US$12,900
2005-06-13 2005-06-09 S Sale WARNER STEPHEN J Non-Executive Director
3,000 -1.0%
2.60
US$7,800 		3,000 -1.0% 2.60 US$7,800
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