Dyadic International, DE Insider Trades

DYAI

Track insider trading activity from Dyadic International, DE executives and directors. See which insiders are buying and selling DYAI stock.

Trades Last 12 Months

DYAI Price

All Insider Trades for Dyadic International, DE

Sort by: Latest Trade Biggest Holding
Insider
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price
Herbst Seth Director
Holding Value $48.3k 39,894 shares
Last Trade
Jan 02, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$37.5k 39,894 shares
$0.94
$1.21
Hazelton Joseph P President & COO
Holding Value $232k 191,758 shares
Last Trade
Jan 02, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$97.4k 103,668 shares
$0.94
$1.21
Rawson Ping Wang Chief Financial Officer
Holding Value $206k 170,151 shares
Last Trade
Jan 02, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$71.8k 76,408 shares
$0.94
$1.21
Lucy Patrick K. Director
Holding Value $87.5k 72,311 shares
Last Trade
Jan 02, 2026 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$20.3k 21,552 shares
$0.94
$1.21
Tchelet Ronen VP Of Research And Bus. Dvlpmt
Holding Value $61.6k 50,897 shares
Last Trade
Jan 02, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$17k 18,064 shares
$0.94
$1.21
Kaye Jack Director
Holding Value $81.7k 67,500 shares
Last Trade
Jan 02, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$101k 107,394 shares
$0.94
$1.21
Emalfarb Mark A 10% owner, CEO
Holding Value $5.85M 4,832,667 shares
Last Trade
Jan 02, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$96.4k 102,609 shares
$0.94
$1.21
Holding Value $1.15M 952,381 shares
Last Trade
Dec 23, 2025 Purchase (Other)Another type of insider transaction reported on SEC Form 4.
$250k 238,095 shares
$1.05
$1.21
Holding Value $0 0 shares
Last Trade
Jun 20, 2025 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$9.83k 10,776 shares
$0.91
$1.21
Bose Arindam Director
Holding Value $74.5k 61,535 shares
Last Trade
Jun 20, 2025 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$9.83k 10,776 shares
$0.91
$1.21
Buckland Barry Director
Holding Value $47.2k 38,967 shares
Last Trade
Jun 11, 2024 Sale (Sale to Issuer)Shares sold back to the company, such as a repurchase or tender.
$26.3k 11,792 shares
$2.23
$1.21
Holding Value $4.29M 3,548,528 shares
Last Trade
Aug 11, 2021 Sale (Open Market)Shares sold on the open market or in a private sale.
$771k 150,000 shares
$5.14
$1.21
Jones Matthew S. Managing Dir Of BD & Licensing
Holding Value $90.8k 75,000 shares
Last Trade
Jan 04, 2021 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$387k 75,000 shares
$5.16
$1.21
Emerson Steve 10% owner
Holding Value $744k 615,200 shares
Last Trade
Oct 31, 2007 Sale
$53k 10,000 shares
$5.30
$1.21
Dela Pointe Lisa M Interim Chief Financial Office
Holding Value $0 0 shares
Last Trade
Apr 23, 2007 Sale
$232k 40,000 shares
$5.80
$1.21
Bondar Alexander V VP - Strategy/corp Development
Holding Value $133k 110,000 shares
Last Trade
Apr 05, 2007 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$116k 20,000 shares
$5.80
$1.21
Moor Wayne Chief Financial Officer
Holding Value $403k 332,889 shares
Last Trade
Apr 05, 2007 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$145k 25,000 shares
$5.80
$1.21
Nedwin Glenn E Chief Science Officer
Holding Value $1.39M 1,147,555 shares
Last Trade
Apr 05, 2007 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$203k 35,000 shares
$5.80
$1.21
Sproat Kent Michael Exec Vice Pres - Manufacturing
Holding Value $182k 150,000 shares
Last Trade
Apr 05, 2007 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$174k 30,000 shares
$5.80
$1.21
Holding Value $117k 96,667 shares
Last Trade
Feb 21, 2007 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$153k 25,000 shares
$6.10
$1.21

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