SCHEDULE 13G/A

SUNLANDS TECHNOLOGY GROUP

Class A Ordinary Shares, par value US$0.00005 per share · CUSIP: 86740P207

Event date: 2024-12-31

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

• AREO HOLDINGS LTD

  Shares: 309,326.00 · Class: 11.5%

• DIAMOND TOWER INVESTMENTS LIMITED

  Shares: 309,326.00 · Class: 11.5%

• ORCHID ASIA VI, L.P.

  Shares: 293,860.00 · Class: 10.9%

• ORCHID ASIA V CO-INVESTMENT, LIMITED

  Shares: 15,466.00 · Class: 0.6%

• OAVI HOLDINGS, L.P.

  Shares: 293,860.00 · Class: 10.9%

• ORCHID ASIA VI GP, LIMITED

  Shares: 293,860.00 · Class: 10.9%

• ORCHID ASIA V GROUP MANAGEMENT, LIMITED

  Shares: 293,860.00 · Class: 10.9%

• ORCHID ASIA V GROUP, LIMITED

  Shares: 293,860.00 · Class: 10.9%

• LAM LAI MING

  Shares: 312,802.00 · Class: 11.6%

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