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Dyadic International Inc

DYAI
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0001213809

In the last 90 days, Dyadic International Inc insiders filed 0 open-market purchases and 2 sales; 39 institutions reported holding it in 13F filings for Q2 2026, worth $4.14M in total; no superinvestor holds it.

Holders of 5% or more of DYAI

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Dyadic International Inc, largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of DYAI
HolderLatest formStakeChangeFirst filedLatest filingFiling
Emalfarb Mark A13G/A17.50%6.68M shares+0.90 ppfrom 16.60%Feb 14, 20224 filingsFeb 17, 2026SEC
Francisco Trust under agreement dated February 28, 199613G/A10.32%4.23M shares−1.26 ppfrom 11.58%Feb 28, 20228 filingsAug 17, 2026SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

16 Schedule 13D and 13G filings on Dyadic International Inc, newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on DYAI
Filed (ET)FilerFormStakeChangeEvent dateFiling
Aug 17, 20269:25 AM ETFrancisco Trust under agreement dated February 28, 199613G/A10.32%4.23M shares−1.26 ppfrom 11.58%Aug 14, 2026SEC
Jul 6, 20266:30 AM ETFrancisco Trust under agreement dated February 28, 199613G/A11.58%4.33M shares−0.39 ppfrom 11.97%Dec 23, 2025SEC
May 11, 20264:42 PM ETFrancisco Trust under agreement dated February 28, 199613G/A11.97%4.36M shares0.00 ppfrom 11.97%Dec 23, 2025SEC
May 11, 20264:35 PM ETFrancisco Trust under agreement dated February 28, 199613G11.97%4.36M shares+0.45 ppfrom 11.52%Mar 31, 2026SEC
Feb 17, 20264:14 PM ETEmalfarb Mark A13G/A17.50%6.68M shares+0.90 ppfrom 16.60%Dec 31, 2025SEC
Nov 14, 20255:21 PM ETEmalfarb Mark A13G/A16.60%6.24M shares–Sep 30, 2025SEC
Aug 19, 20256:45 PM ETBandera Partners LLCand 2 others13G/A4.60%1.38M shares–Below 5%Jun 30, 2025SEC
Feb 6, 20254:00 PM ETFrancisco Trust under agreement dated February 28, 199613G11.52%3.41M shares–Dec 31, 2024SEC
Feb 13, 2024Bandera Partners LLC13G/AOld format–––SEC
Feb 1, 2024Francisco Trust under agreement dated February 28, 199613G/AOld format–––SEC
Mar 14, 2023Francisco Trust under agreement dated February 28, 199613G/AOld format–––SEC
Feb 14, 2023Emalfarb Mark A13G/AOld format–––SEC
Feb 13, 2023Bandera Partners LLC13G/AOld format–––SEC
Feb 28, 2022Francisco Trust under agreement dated February 28, 199613GOld format–New–SEC
Feb 14, 2022Emalfarb Mark A13G/AOld format–––SEC
Feb 14, 2022Bandera Partners LLC13GOld format–New–SEC

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell Dyadic International Inc shares.

No Form 144 notices for Dyadic International Inc are on file.