UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): April 9, 2026

CSLM DIGITAL ASSET ACQUISITION CORP III, LTD

(Exact name of registrant as specified in its charter)

000-00000

Cayman Islands 001-42818 N/A
(State or other jurisdiction of
incorporation or organization)
(Commission
File Number)
(I.R.S. Employer
Identification Number)
2400 E. Commercial Boulevard, Suite 900
Ft. Lauderdale, FL
33308
(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (212) 207-0090

Not Applicable

(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))

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

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. ☐

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

Title of each class Trading Symbol(s) Name of each exchange on which registered
Units, each consisting of one Class A ordinary share and one-half of one Redeemable Warrant KOYNU The Nasdaq Stock Market LLC
Class A ordinary shares, par value $0.0001 per share KOYN The Nasdaq Stock Market LLC
Warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 per share KOYNW The Nasdaq Stock Market LLC

Item 8.01. Other Events.

On April 9, 2026, CSLM Digital Asset Acquisition Corp III, Ltd has made available on its website the PFIC Annual Information Statement for fiscal year 2025, which is attached as Exhibit 99.1 to this Current Report on Form 8-K. The statement may be accessed at www.koynspac.com. Investors are encouraged to consult their own tax advisors regarding the application of the PFIC rules.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits.

Exhibit No. Description
99.1 CSLM Digital Asset Acquisition Corp III, Ltd PFIC Annual Statement — Class A
104 Cover Page Interactive Data File (embedded within the InLine XBRL document)

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SIGNATURE

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.

Dated: April 9, 2026 CSLM DIGITAL ASSET ACQUISITION CORP III, LTD
By: /s/ Vikas Mittal
Name: Vikas Mittal
Title: Chief Financial Officer

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