Jason Ronald Krantz - 24 Feb 2026 Form 4 Insider Report for Definitive Healthcare Corp. (DH)

Role: Director, EXECUTIVE CHAIRMAN, 10%+ Owner
Signature: /s/ Jonathan Paris, Attorney-in-Fact
Issuer symbol: DH
Transactions as of: 24 Feb 2026
Net transactions value: $0
Form type: 4
Filing time: 26 Feb 2026, 16:51:50 UTC
Previous filing: 03 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Krantz Jason Ronald	Director, EXECUTIVE CHAIRMAN, 10%+ Owner	C/O DEFINITIVE HEALTHCARE CORP., 492 OLD CONNECTICUT PATH, SUITE 401, FRAMINGHAM	/s/ Jonathan Paris, Attorney-in-Fact	26 Feb 2026	0001879507

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	DH	Class A Common Stock	Award	$0	+242,719	+24%	$0.000000	1,258,758	24 Feb 2026	Direct	F1
holding	DH	DH Holdings (f/k/a Jason R. Krantz 2009 Trust)						450,000	24 Feb 2026	See Footnote.	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents restricted stock units ("RSUs"), each representing a contingent right to receive one share of the Issuer's Class A Common Stock, par value $0.001, with 100% of the RSUs vesting on March 1, 2027, subject to the Reporting Person's continued service with the Issuer through each such vesting date.
F2	Amount beneficially owned in trust by DH Holdings (fka Jason R. Krantz 2009 Trust), of which the Reporting Person is the beneficiary.