[Form 4] Definitive Healthcare Corp. Insider Trading Activity

Rhea-AI Filing Summary

Kevin Coop, who is listed as both Chief Executive Officer and a Director of Definitive Healthcare Corp. (DH), reported a transaction on 10/01/2025. The report shows a Code F(1) transaction disposing of 37,593 shares of Class A common stock at a price of $3.56 per share. The filing explains these shares were withheld by the issuer to satisfy the reporting person’s tax withholding obligations related to the vesting and settlement of previously reported restricted stock units. After the withholding, the reporting person beneficially owned 3,584,788 shares, held directly. The form is signed by an attorney-in-fact on behalf of the reporting person on 10/03/2025.

Insights

Corporate Governance Analyst

TL;DR: CEO tax-withholding sale of 37,593 shares at $3.56, leaving 3,584,788 shares held.

This Form 4 documents a routine issuer-withheld transaction under Code F(1), where shares are surrendered to cover tax obligations from vesting restricted stock units. Such transactions do not indicate an open-market sale by the executive but reduce outstanding personal shareholdings by a specified amount.

Because the filing shows 3,584,788 shares remaining beneficially owned, the executive retains a substantial stake. The filing is informational for investors tracking insider ownership and compliance with Section 16 reporting requirements.

Insider Trade Summary

Net Seller: 37,593 shares

Net Sell 1 txn

Insider Coop Kevin

Role Chief Executive Officer

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Class A Common Stock	37,593	$3.56	$134K

Holdings After Transaction: Class A Common Stock — 3,584,788 shares (Direct)

Footnotes (1)

1. F1. Represents the withholding of shares by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting and settlement of previously reported restricted stock units.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 10/03/2025 - 08:20 AM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

Coop Kevin

(Last) (First) (Middle)

C/O DEFINITIVE HEALTHCARE CORP.

492 OLD CONNECTICUT PATH, SUITE 401

(Street)

FRAMINGHAM MA 01701

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Definitive Healthcare Corp. [ DH ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

3. Date of Earliest Transaction (Month/Day/Year)
10/01/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	10/01/2025		F(1)		37,593	D	$3.56	3,584,788	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents the withholding of shares by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting and settlement of previously reported restricted stock units.

Remarks:

Exhibit 24 - Power of Attorney

	/s/ Jonathan Paris, Attorney-in-Fact	10/03/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.