0001776661 adv:ClassCommonStock0.0001ParValuePerShareMember 2026-08-05 2026-08-05 0001776661 2026-08-05 2026-08-05 0001776661 false 8-K 2026-08-05 Advantage Solutions Inc. DE 001-38990 83-4629508 Forsyth Boulevard St. Louis MO 63105 314 655-9333 false false false false Class A common stock, $0.0001 par value per share ADV NASDAQ false