SCHEDULE 13G/A

SO YOUNG INTERNATIONAL INC

Class A Ordinary Shares, par value US$0.0005 per share · CUSIP: 83356Q108

Event date: 2025-03-31

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• Youthful Acquisition L.P.

  Shares: 0 · Class: 0%

• Youthful GP Co. Limited

  Shares: 0 · Class: 0%

• Apax Digital L.P.

  Shares: 0 · Class: 0%

• Apax Digital Co-Investment L.P.

  Shares: 0 · Class: 0%

• Apax Digital GP L.P. Inc.

  Shares: 0 · Class: 0%

• Apax Digital GP Co. Limited

  Shares: 0 · Class: 0%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.