8-K

United

States

SECURITIES

AND EXCHANGE COMMISSION

Washington,

D.C. 20549

Form

8-K

Current

Report

Pursuant

to Section 13 or 15(d) of the

Securities

Exchange Act of 1934

Date of Report (Date of earliest event reported): March 24, 2026

METAL

SKY STAR ACQUISITION CORPORATION

(Exact Name of Registrant as Specified in its Charter)

Registrant’s telephone number, including area code: (332) 237-6141

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:

Securities registered pursuant to Section 12(b) of the Act: None

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. ☐

*The registrant’s units, ordinary shares, par value $0.0001 per share, warrants, and rights each trade on the OTC Markets under the trading symbols “MSSUF,” “MSSAF,” “MSSWF,” and “MSSRF,” respectively.

On March 24, 2026, the Board of Directors (the “Board”) of Metal Sky Star Acquisition Corporation (the “Company”) appointed Ms. Wenxi He to serve as the Chief Financial Officer of the Company, in addition to her continuing role as the Chief Executive Officer and Chairwoman of the Company.

Ms. Wenxi He has served as our Chief Executive Officer and Chairwoman since September 2023. She has served as chief investment officer at Still Waters Green Technology Limited, an asset management company based in London, specializing in the development and management of renewable energy and power generation assets, since February 2019. Ms. He has over 15 years of experience in the investment banking industry. Prior to joining Still Waters Green Technology Limited, she served as the managing director and global head of commodity exchange traded products at Bank of America Merrill Lynch in London. She was responsible for initiating and executing strategic solutions and issuance, trading physical and synthetic commodity products, and managing portfolio assets in energy, metals and agriculture, with a wide variety of commodity, currency and interest-rate risk. Prior to that, Ms. He traded and structured commodity derivative products at Citigroup, fixed income security products with a focus on structured credit and rates at UBS and RBC Capital Markets. Ms. He holds master’s degrees in both Mathematical Finance and Engineering from the University of Toronto, and a bachelor’s degree in Engineering from Tongji University.

SIGNATURES

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