0001861795 2024-01-12 2024-01-12 false 0001861795 8-K 2024-01-12 DEFINITIVE HEALTHCARE CORP. DE 001-40815 86-3988281 492 Old Connecticut Path Suite 401 Framingham MA 01701 (508) 720-4224 false false false false Class A Common Stock, $0.001 par value DH NASDAQ false