Amendment to Annual Report (Form 10-K/A)

This Amendment No. 1 (this "Amendment") on Form 10-K/A amends the Annual Report on Form 10-K for the year ended November 30, 2025 of Legato Merger Corp. III (the "Company"), filed with the Securities and Exchange Commission on February 10, 2026 (the "Original Form 10-K") to include certain additional disclosure in Item 9A of such Original Form 10-K.

Other than as set forth above, this Amendment does not reflect events occurring after the filing of the Original Form 10-K, and no other information in the Original Form 10-K is amended hereby. Other events or circumstances occurring after the date of the Original Form 10-K or other disclosures necessary to reflect subsequent events have not been updated subsequent to the date of the Original Form 10-K. Accordingly, this Amendment should be read in conjunction with the Original Form 10-K and our filings with the SEC subsequent thereto.