DYADIC INTERNATIONAL INC

Regulatory Filings • Nov 12, 2025

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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FORM 8-K

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CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of Report (date of earliest event reported): November 12, 2025

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Dyadic International, Inc.

(Exact name of registrant as specified in its charter)

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Delaware	001-32513	45-0486747
(State
or other jurisdiction of incorporation
or organization)	(Commission File
Number)	(I.R.S.
Employer Identification
Number)

1044 North U.S. Highway One , Suite 201

Jupiter , FL 33477

(Address of principal executive offices and zip code)

(561) 743-8333

(Registrant’s telephone number, including area code)

N/A

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

| ☐ | Written
communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) |
| --- | --- |
| ☐ | Soliciting
material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) |
| ☐ | Pre-commencement
communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) |
| ☐ | Pre-commencement
communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) |

Securities registered pursuant to Section 12(b) of the Act

| Title
of each class | Trading
Symbol(s) | Name
of each exchange on which registered |
| --- | --- | --- |
| Common
Stock, par value $0.001 per share | DYAI | The Nasdaq Stock Market LLC |

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

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Item 2.02. Results of Operations and Financial Condition.

On November 12, 2025, Dyadic International, Inc. (“Dyadic”) issued a press release announcing its results for the quarter ended September 30, 2025. A copy of the press release is attached as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.

The information in this Current Report on Form 8-K, including the information set forth in Exhibit 99.1, is furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of such section. Such information shall not be incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits:

Exhibit Number	Description
99.1	Press release issued by Dyadic International, Inc., dated November 12, 2025.
104	Cover
Page Interactive Data File - the cover page XBRL tags are embedded within the Inline XBRL document.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

| /s/
Mark A Emalfarb |
| --- |
| Mark
A. Emalfarb |
| Chief
Executive Officer |

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