Francisco Trust holds 10.3% stake in Dyadic

Dyadic International Inc. investor Francisco Trust under agreement dated February 28, 1996 reports beneficial ownership of 4,232,653 shares of Dyadic common stock, representing 10.32% of the class.

Rhea-AI Filing Summary

Dyadic International Inc. investor Francisco Trust under agreement dated February 28, 1996 reports beneficial ownership of 4,232,653 shares of Dyadic common stock, representing 10.32% of the class. This includes 3,280,272 shares currently held and 952,381 shares issuable upon conversion of a convertible promissory note dated March 8, 2024, as amended, at a conversion price of $1.05 per share. Based on 40,063,703 Dyadic common shares outstanding as of August 14, 2026, the trust has sole voting and dispositive power over all 4,232,653 shares.

Key Figures

Beneficially owned shares: 4,232,653 shares Ownership percentage: 10.32% Directly held shares: 3,280,272 shares +5 more

8 metrics

Beneficially owned shares 4,232,653 shares Total Dyadic common shares beneficially owned by Francisco Trust

Ownership percentage 10.32% Percent of Dyadic common stock class beneficially owned by Francisco Trust

Directly held shares 3,280,272 shares Dyadic common shares held by Francisco Trust excluding note conversion

Shares from convertible note 952,381 shares Shares Francisco Trust may acquire upon conversion of Dyadic convertible promissory note

Conversion price $1.05 per share Conversion price of Dyadic convertible promissory note held by Francisco Trust

Shares outstanding 40,063,703 shares Dyadic common shares outstanding as of August 14, 2026

Sole voting power 4,232,653 shares Shares over which Francisco Trust has sole power to vote

Sole dispositive power 4,232,653 shares Shares over which Francisco Trust has sole power to dispose

Key Terms

beneficially owned, convertible promissory note, sole voting power, sole dispositive power, +1 more

5 terms

beneficially owned financial

"The number of shares beneficially owned represents (i) 3,280,272 shares"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

convertible promissory note financial

"shares of common stock the reporting person has the right to acquire upon conversion of a convertible promissory note"

A convertible promissory note is a loan a company takes now that can later be turned into shares instead of being repaid in cash. Think of it as lending money with the option to accept ownership in the business down the road; that matters to investors because it affects who gets paid first, how much ownership existing shareholders keep, and the company’s future valuation and cash needs. Terms such as conversion price, interest and maturity determine the financial impact.

sole voting power financial

"Sole Voting Power 4,232,653.00"

Sole voting power is the exclusive right to cast votes attached to a shareholder’s stock without needing approval from anyone else. Like holding the only remote control for a TV, it lets that holder decide corporate matters such as board members, mergers, and policy changes, making it important to investors because it concentrates control and can strongly influence a company’s strategy and the value of its shares.

sole dispositive power financial

"Sole Dispositive Power 4,232,653.00"

Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.

percent of class financial

"Percent of class: 10.32 %"

Percent of class is the portion of a specific category of securities—such as a company’s common shares, preferred shares, or a bond series—that takes part in or approves a corporate action (vote, consent, tender, etc.). Investors watch this number because it reveals how much support or opposition exists within that particular shareholder group; like counting how many members of a club back a proposal, it can determine whether a plan passes or how influence is distributed.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What percentage of DYAI does Francisco Trust own according to this Schedule 13G/A?

Francisco Trust reports beneficial ownership of 10.32% of Dyadic International Inc. (DYAI) common stock. This percentage is calculated using 40,063,703 shares outstanding as of August 14, 2026, as disclosed in a prospectus supplement.

How many DYAI shares does Francisco Trust beneficially own?

Francisco Trust beneficially owns 4,232,653 Dyadic common shares. This total consists of 3,280,272 shares held directly plus 952,381 shares the trust may acquire through conversion of a convertible promissory note.

What are the terms of the convertible note held by Francisco Trust in DYAI?

Francisco Trust holds a convertible promissory note from Dyadic, issued March 8, 2024 and amended, convertible into 952,381 common shares. The note is convertible at a per share price of $1.05, contributing to the trust’s reported beneficial ownership.

Does Francisco Trust have sole voting power over its DYAI shares?

Yes. Francisco Trust reports sole voting power over 4,232,653 Dyadic shares and no shared voting power. It similarly reports sole dispositive power over the same number of shares and no shared dispositive power.

What share count was used to compute Francisco Trust’s 10.32% ownership in DYAI?

The 10.32% beneficial ownership is based on 40,063,703 Dyadic common shares outstanding as of August 14, 2026. This outstanding share figure comes from Dyadic’s prospectus supplement filed on August 13, 2026.

Who signed the Schedule 13G/A filing for DYAI on behalf of Francisco Trust?

The Schedule 13G/A for Dyadic (DYAI) was signed by Thomas Emalfarb as Trustee of Francisco Trust. The signature is dated August 17, 2026, confirming the reported ownership information on behalf of the trust.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/17/2026 - 09:26 AM Accepted by SEC EDGAR 08/17/2026 - 09:25 AM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 3)

DYADIC INTERNATIONAL INC

(Name of Issuer)

Common Stock

(Title of Class of Securities)

26745T101

(CUSIP Number)

08/14/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 26745T101

1

Names of Reporting Persons

Francisco Trust under agreement dated February 28, 1996

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

ILLINOIS

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 4,232,653.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 4,232,653.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

4,232,653.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

10.32 %

12

Type of Reporting Person (See Instructions)

OO

Comment for Type of Reporting Person: The number of shares beneficially owned represents (i) 3,280,272 shares of common stock held by the reporting person, and (ii) 952,381 shares of common stock the reporting person has the right to acquire upon conversion of a convertible promissory note issued on March 8, 2024 by the issuer to the reporting person, as such note has been amended. Such note, as amended, is convertible at a per share price of $1.05. All percentages in this Schedule 13G/A, calculated in accordance with applicable rules of the Securities and Exchange Commission (the "SEC"), are based upon an aggregate of 40,063,703 shares outstanding of the issuer's common stock on August 14, 2026, as disclosed in the issuer's prospectus supplement filed with the SEC on August 13, 2026.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: DYADIC INTERNATIONAL INC
(b)	Address of issuer's principal executive offices: 1044 North U.S. Highway One, Suite 201, Jupiter, Florida, 33477
Item 2.
(a)	Name of person filing: Francisco Trust under agreement dated February 28, 1996
(b)	Address or principal business office or, if none, residence: 606 Dauphine Avenue, Northbrook, IL 60062
(c)	Citizenship: Florida
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 26745T101
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 4,232,653.00
(b)	Percent of class: 10.32 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 4,232,653.00
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 4,232,653.00
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Francisco Trust under agreement dated February 28, 1996

Signature:	/s/ Thomas Emalfarb
Name/Title:	Thomas Emalfarb, Trustee
Date:	08/17/2026