0001861795 2021-10-01 2021-10-01 false 0001861795 8-K 2021-10-01 Definitive Healthcare Corp. 1-40815 DE 86-3988281 550 Cochituate Rd Framingham MA 01701 (508) 720-4224 false false false false Class A Common Stock, $0.001 par value DH NASDAQ true false