Tax-withholding share transfer by Definitive Healthcare (DH) CEO Coop

Rhea-AI Filing Summary

Definitive Healthcare Corp. reported that Chief Executive Officer Kevin Coop had 175,524 shares of Class A common stock withheld by the company at $1.28 per share. These shares were retained by the issuer to cover Coop's tax withholding obligations tied to the vesting and settlement of previously reported restricted stock units, rather than being sold in an open-market transaction. After this tax-withholding disposition, Coop directly holds 5,116,465 shares of Definitive Healthcare common stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Coop Kevin

Role Chief Executive Officer

Type	Security	Shares	Price	Value
Tax Withholding	Class A Common Stock	175,524	$1.28	$225K

Holdings After Transaction: Class A Common Stock — 5,116,465 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

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)
03/01/2026

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	03/01/2026		F		175,524(1)	D	$1.28	5,116,465	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. The transaction reported 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 RSUs.

	/s/ Jonathan Paris, Attorney-in-Fact	03/03/2026
	** 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.

FAQ

What insider transaction did Definitive Healthcare (DH) report for CEO Kevin Coop?

Definitive Healthcare reported a tax-withholding disposition for CEO Kevin Coop. The company withheld 175,524 Class A shares to satisfy his tax obligations upon vesting of previously reported RSUs, rather than executing an open-market sale.

How many Definitive Healthcare shares were withheld for Kevin Coop’s taxes and at what price?

The company withheld 175,524 shares of Definitive Healthcare Class A common stock from Kevin Coop. The withholding price was $1.28 per share, reflecting a transfer to the issuer to cover tax obligations on vested restricted stock units.

Does Kevin Coop still hold a significant stake in Definitive Healthcare (DH) after this Form 4?

Yes, Kevin Coop continues to directly hold a large stake in Definitive Healthcare. After the tax-withholding disposition of 175,524 shares, he directly owns 5,116,465 shares of the company’s Class A common stock according to the Form 4 filing.

Was the Definitive Healthcare (DH) CEO’s Form 4 transaction an open-market sale?

No, the transaction was not an open-market sale. The shares were withheld by Definitive Healthcare to satisfy Kevin Coop’s tax withholding obligations upon vesting and settlement of previously reported restricted stock units, a common administrative mechanism.

What does transaction code F mean in Definitive Healthcare CEO Kevin Coop’s Form 4?

Transaction code F indicates a tax-related share disposition. In this case, Definitive Healthcare withheld shares from Kevin Coop to pay tax liabilities arising from the vesting and settlement of previously reported restricted stock units, rather than him selling shares on the market.