Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Checkbox not checked   Rule 13d-1(b)
Checkbox not checked   Rule 13d-1(c)
Checkbox checked   Rule 13d-1(d)






SCHEDULE 13G




Comment for Type of Reporting Person:  (1) Berto Acquisition Sponsor LLC (the "Sponsor") owns 2,688,300 ordinary shares, par value $0.0001 per share ("Ordinary Shares") of Berto Acquisition Corp (the "Issuer"). Harry L. You is the sole managing member of the Sponsor and shares voting and investment discretion with respect to the securities held of record by the Sponsor. Harry L. You disclaims any beneficial ownership of the securities held by the Sponsor other than to the extent of any pecuniary interest he may have therein, directly or indirectly. (2) Excludes 3,500,000 Ordinary Shares issuable upon exercise of 3,500,000 warrants held by the Sponsor, each exercisable at $10.50 per share within the first 12 months following the closing of an initial business combination of the Issuer or $11.50 per share after the 12-month anniversary of the closing of the initial business combination, that are not exercisable within 60 days of the date hereof. (3) Based on an aggregate of 37,518,750 Ordinary Shares outstanding, as reported by the Issuer in its Form 10-Q filed with the U.S. Securities and Exchange Commission on August 13, 2025 (File No. 001-42620).


SCHEDULE 13G




Comment for Type of Reporting Person:  (1) Includes 2,401,200 Ordinary Shares held by Harry L. You's Roth IRA. (2) The Sponsor, Berto Acquisition Sponsor LLC, owns 2,688,300 Ordinary Shares of the Issuer. Harry L. You is the sole managing member of the Sponsor and shares voting and investment discretion with respect to the securities held of record by the Sponsor. Harry L. You disclaims any beneficial ownership of the securities held by the Sponsor other than to the extent of any pecuniary interest he may have therein, directly or indirectly. (3) Excludes 3,500,000 Ordinary Shares issuable upon exercise of 3,500,000 warrants held by the Sponsor, each exercisable at $10.50 per share within the first 12 months following the closing of an initial business combination of the Issuer or $11.50 per share after the 12-month anniversary of the closing of the initial business combination, that are not exercisable within 60 days of the date hereof. (4) Based on an aggregate of 37,518,750 Ordinary Shares outstanding, as reported by the Issuer in its Form 10-Q filed with the U.S. Securities and Exchange Commission on August 13, 2025 (File No. 001-42620).


SCHEDULE 13G




Comment for Type of Reporting Person:  (1) Includes 2,101,050 Ordinary Shares held by Robert You's Roth IRA. (2) Based on an aggregate of 37,518,750 Ordinary Shares outstanding, as reported by the Issuer in its Form 10-Q filed with the U.S. Securities and Exchange Commission on August 13, 2025 (File No. 001-42620).


SCHEDULE 13G



 
Berto Acquisition Sponsor LLC
 
Signature:/s/ Harry L. You
Name/Title:Harry L. You, Managing Member
Date:08/14/2025
 
Harry L. You
 
Signature:/s/ Harry L. You
Name/Title:Harry L. You
Date:08/14/2025
 
Robert You
 
Signature:/s/ Robert You
Name/Title:Robert You
Date:08/14/2025
Exhibit Information

Exhibit 99.1: Joint Filing Agreement.