Dyadic International, Inc. (DYAI) Insider Trading
Over the last 3 months, DYAI insiders made 1 open-market buy and 10 sales, a net purchase of $531K (SEC Form 4). Over the last 6 months, 6 institutions increased and 8 reduced their position (13F).
Insider Activity
Sentiment
68/100
Buys (3m)
1
Sells (3m)
10
Net (3m)
$531.3K
Insiders buyingFirst buy in 3 quarters
Insider trades by month Buys Sells
Dec
Jul
Sep
Aug
Sep
Jul
Context3-month price -4.2%Institutions reducing (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jul 24, 2026 | Francisco Trust under agreement dated February 28, 199610 percent owner | Sell | 54,760 | $1.30 |
| Jul 24, 2026 | Francisco Trust under agreement dated February 28, 199610 percent owner | Sell | 2,616 | $1.21 |
| Jul 24, 2026 | Francisco Trust under agreement dated February 28, 199610 percent owner | Sell | 38,016 | $1.33 |
| Jul 6, 2026 | Francisco Trust under agreement dated February 28, 199610 percent owner | Sell | 25,281 | $1.87 |
| Jul 6, 2026 | Francisco Trust under agreement dated February 28, 199610 percent owner | Sell | 41,143 | $1.84 |
| Jul 6, 2026 | Francisco Trust under agreement dated February 28, 199610 percent owner | Sell | 20,000 | $1.92 |
| Jul 6, 2026 | Francisco Trust under agreement dated February 28, 199610 percent owner | Sell | 15,000 | $2.01 |
| Jul 6, 2026 | Francisco Trust under agreement dated February 28, 199610 percent owner | Buy | 558,659 | $1.79 |
| Jul 6, 2026 | Francisco Trust under agreement dated February 28, 199610 percent owner | Sell | 40,000 | $1.98 |
| Jul 6, 2026 | Francisco Trust under agreement dated February 28, 199610 percent owner | Sell | 26,340 | $2.43 |
| Jul 6, 2026 | Francisco Trust under agreement dated February 28, 199610 percent owner | Sell | 5,100 | $1.80 |
| Jan 6, 2026 | Lucy Patrick K.director | Option | 21,552 | — |
| Jan 6, 2026 | Rawson Ping Wangofficer: Chief Financial Officer | Grant | 47,250 | $0.94 |
| Jan 6, 2026 | Rawson Ping Wangofficer: Chief Financial Officer | Grant | 29,158 | — |
| Jan 6, 2026 | TCHELET RONENofficer: VP of Research and Bus. Dvlpmt | Grant | 47,250 | $0.94 |
| Jan 6, 2026 | TCHELET RONENofficer: VP of Research and Bus. Dvlpmt | Grant | 18,064 | — |
| Jan 6, 2026 | Kaye Jackdirector | Grant | 39,894 | — |
| Jan 6, 2026 | HERBST SETHdirector | Option | 21,552 | — |
| Jan 6, 2026 | HERBST SETHdirector | Grant | 50,000 | $0.94 |
| Jan 6, 2026 | HERBST SETHdirector | Grant | 39,894 | — |
| Jan 6, 2026 | Hazelton Joseph Pofficer: President & COO | Grant | 36,418 | — |
| Jan 6, 2026 | Hazelton Joseph Pofficer: President & COO | Grant | 67,250 | $0.94 |
| Jan 6, 2026 | EMALFARB MARK Adirector, 10 percent owner, officer: CEO | Grant | 102,609 | — |
| Jan 6, 2026 | EMALFARB MARK Adirector, 10 percent owner, officer: CEO | Grant | 126,000 | $0.94 |
| Jan 6, 2026 | Kaye Jackdirector | Option | 21,552 | — |
| Jan 6, 2026 | Lucy Patrick K.director | Grant | 39,894 | — |
| Jan 6, 2026 | Lucy Patrick K.director | Grant | 67,500 | $0.94 |
| Jan 6, 2026 | Kaye Jackdirector | Grant | 67,500 | $0.94 |
| Dec 29, 2025 | EMALFARB MARK Adirector, 10 percent owner, officer: CEO | Grant | 0 | $1.05 |
| Sep 17, 2025 | EMALFARB MARK Adirector, 10 percent owner, officer: CEO | Buy | 0 | $1.40 |
Source: DYAI SEC Form 4 filings, latest Jul 24, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their DYAI positions over the last 6 months (SEC Form 13F).
Increased
6
New positions
6
Reduced
8
Sold out
38
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| APIS CAPITAL ADVISORS, LLC | Reduced | 1.3M | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 928K | May 15, 2026 |
| CHAPIN DAVIS, INC. | Unchanged | 888K | Apr 21, 2026 |
| TRUIST FINANCIAL CORP | Unchanged | 326K | Apr 27, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 314K | May 15, 2026 |
| BLACKROCK, INC. | Increased | 275K | May 13, 2026 |
| VANGUARD FIDUCIARY TRUST CO | New Position | 139K | May 8, 2026 |
| MARATHON CAPITAL MANAGEMENT | Increased | 110K | May 14, 2026 |
| SAGE MOUNTAIN ADVISORS LLC | Unchanged | 107K | May 11, 2026 |
| LANDSCAPE CAPITAL MANAGEMENT, L.L.C. | Reduced | 97K | May 12, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 82K | May 14, 2026 |
| HIGHTOWER ADVISORS, LLC | Unchanged | 79K | May 5, 2026 |
| CITADEL ADVISORS LLC | New Position | 73K | May 15, 2026 |
| ALPHACORE CAPITAL LLC | Increased | 72K | May 15, 2026 |
| AE WEALTH MANAGEMENT LLC | Unchanged | 54K | May 13, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.