SCHEDULE 13G

Advantage Solutions Inc

Class A common stock, $0.0001 par value per share · CUSIP: 00791N102

Event date: 2026-03-19

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

• CastleKnight Master Fund LP

  Shares: 18,138,473.00 · Class: 5.5%

• CastleKnight Fund GP LLC

  Shares: 18,138,473.00 · Class: 5.5%

• CastleKnight Management LP

  Shares: 18,138,473.00 · Class: 5.5%

• CastleKnight Management GP LLC

  Shares: 18,138,473.00 · Class: 5.5%

• Weitman Capital LLC

  Shares: 18,138,473.00 · Class: 5.5%

• Aaron Weitman

  Shares: 18,138,473.00 · Class: 5.5%

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