Dyadic International, Inc. (DYAI)
Nasdaq: DYAI · Biological Products, (No Diagnostic Substances) · Jupiter, FL · filing with the SEC since 2003
Who owns Dyadic International, Inc.
As filed with the SECHolders of 5% or more
3
Mark A. Emalfarb holds 17.5% of Common Stock, as its SCHEDULE 13G/A filed Feb 17, 2026 says.
Directors and officers
7
report now, of 11 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 3 named at left.
Holders of 5% or moreshare of the class, as filed
Mark A. Emalfarb
SCHEDULE 13G/A · filed Feb 17, 2026 · Common Stock · 16.6% in Nov 14, 2025
Francisco Trust under agreement dated February 28, 1996
SCHEDULE 13G/A · filed Aug 17, 2026 · Common Stock · 11.6% in Jul 6, 2026
Empery Asset Management, LP
SCHEDULE 13G · filed Oct 15, 2026 · Common Stock, $0.001 par value per share
Bandera Partners LLC
SCHEDULE 13G/A · filed Aug 19, 2025 · Common Stock, par value $0.001 per share · reported falling below 5%
What DYAI reports owning in othersstakes of 5% or more, and other ties
Dyadic International, Inc. reports no stake in another company in the record.
Insider tradesForm 4
0sales
0purchases
0sales on a scheduled plan
0people selling
$0sold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2025 runs to Sep 30, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window1 of 13 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Francisco Trust Under Agreement Dated February 28, 1996 | 10% owner | 3 | $100,000 | 0 | 0 | $0 |