Casey Heller - 10 Jun 2025 Form 4 Insider Report for Definitive Healthcare Corp. (DH)

Role: Chief Financial Officer
Signature: /s/ Matthew Ruderman, Attorney-in-Fact
Issuer symbol: DH
Transactions as of: 10 Jun 2025
Net transactions value: $0
Form type: 4
Filing time: 11 Jun 2025, 16:30:20 UTC
Previous filing: 04 Jun 2025
Next filing: 05 Aug 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Heller Casey	Chief Financial Officer	C/O DEFINITIVE HEALTHCARE CORP., 492 OLD CONNECTICUT PATH, SUITE 401, FRAMINGHAM	/s/ Matthew Ruderman, Attorney-in-Fact	11 Jun 2025	0002052043

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	DH	Class A Common Stock	Award	$0	+485,881	+80%	$0.000000	1,090,965	10 Jun 2025	Direct	F1

* 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 (the "Class A Common Stock"), with 25% of the RSUs vesting on June 1, 2026, followed by vesting of 6.25% every three months thereafter over the subsequent three years, subject to the Reporting Person's continued service with the Issuer through each such vesting date.

Content

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 (the "Class A Common Stock"), with 25% of the RSUs vesting on June 1, 2026, followed by vesting of 6.25% every three months thereafter over the subsequent three years, subject to the Reporting Person's continued service with the Issuer through each such vesting date.