0001776661 2026-10-15 2026-10-15 0001776661 false --12-31 8-K 2026-10-15 Advantage Solutions Inc. DE 001-38990 83-4629508 7676 Forsyth Boulevard, Fifth Floor St. Louis MO 63105 314 655-9333 false false false false Class A common stock, $0.0001 par value per share ADV NASDAQ false