Dyadic International Inc (DYAI) insider trading
Every open-market stock purchase and sale by Dyadic International Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- No open-market insider trades in the last 12 months.
- Last insider buy: Mark A Emalfarb (CEO), $714B, 13 months ago.
Last 12 months: insiders bought $0 (0 buys) and sold $0 (0 sales). Last close $0.71 on Jun 4, 2026.
Recent DYAI insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Jan 2, 2026 | Seth Herbst (Director) | Bought (not open market) | — |
| Jan 2, 2026 | Ping Wang Rawson (CFO) | Bought (not open market) | — |
| Jan 2, 2026 | Jack Kaye (Director) | Bought (not open market) | — |
| Jan 2, 2026 | Jack Kaye (Director) | Bought (not open market) | — |
| Jan 2, 2026 | Patrick K. Lucy (Director) | Bought (not open market) | — |
| Jan 2, 2026 | Seth Herbst (Director) | Bought (not open market) | — |
| Jan 2, 2026 | Joseph P Hazelton (COO) | Bought (not open market) | — |
| Jan 2, 2026 | Joseph P Hazelton (COO) | Bought (not open market) | — |
| Jan 2, 2026 | Mark A Emalfarb (CEO) | Bought (not open market) | — |
| Jan 2, 2026 | Mark A Emalfarb (CEO) | Bought (not open market) | — |
| Jan 2, 2026 | Ronen Tchelet (VP) | Bought (not open market) | — |
| Jan 2, 2026 | Patrick K. Lucy (Director) | Bought (not open market) | — |
| Jan 2, 2026 | Patrick K. Lucy (Director) | Bought (not open market) | — |
| Jan 2, 2026 | Jack Kaye (Director) | Bought (not open market) | — |
| Jan 2, 2026 | Seth Herbst (Director) | Bought (not open market) | — |
| Jan 2, 2026 | Ronen Tchelet (VP) | Bought (not open market) | — |
| Jan 2, 2026 | Ping Wang Rawson (CFO) | Bought (not open market) | — |
| Dec 23, 2025 | Mark A Emalfarb (CEO) | Sold (not open market) | $1M |
| Dec 23, 2025 | Mark A Emalfarb (CEO) | Bought (not open market) | $1M |
Who's trading DYAI
- Ping Wang Rawson, CFO: other filings, last Jan 2, 2026
- Ronen Tchelet, VP: other filings, last Jan 2, 2026
- Mark A Emalfarb, CEO: other filings, last Jan 2, 2026
- Seth Herbst, Director: other filings, last Jan 2, 2026
- Joseph P Hazelton, C-suite exec: other filings, last Jan 2, 2026
- Jack Kaye, Director: other filings, last Jan 2, 2026
- Patrick K. Lucy, Director: other filings, last Jan 2, 2026
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