CastleKnight Master Fund LP Increases Stake in Advantage Solutions Inc.

CastleKnight Master Fund LP, along with associated entities including CastleKnight Fund GP LLC, CastleKnight Management LP, CastleKnight Management GP LLC, Weitman Capital LLC, and Aaron Weitman, has reported acquiring a 5.5% ownership in Advantage Solutions Inc. This equates to 18,138,473 shares. The acquisition occurred on March 19, 2026, with the filing dated March 26, 2026. The reporting persons, through various entities, share voting and dispositive power over these shares. They certify that the shares were not acquired with the purpose or effect of changing or influencing the control of the issuer.