Definitive Healthcare (DH) CEO sees 66,050 shares withheld for taxes

Rhea-AI Filing Summary

Definitive Healthcare Corp. reported that CEO Kevin Coop had shares withheld to cover taxes tied to restricted stock units vesting. The Form 4 shows a tax-withholding disposition of 66,050 shares of Class A Common Stock at $0.99 per share, with no open-market trade. After this transaction, Coop is reported as directly owning 5,012,822 Class A shares, so the withheld amount is a small portion of his overall holdings and reflects a compensation-related event rather than a discretionary stock sale.

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	66,050	$0.99	$65K

Holdings After Transaction: Class A Common Stock — 5,012,822 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Shares withheld for taxes: 66,050 shares Withholding price per share: $0.99 per share Shares held after transaction: 5,012,822 shares

3 metrics

Shares withheld for taxes 66,050 shares Tax-withholding disposition on Class A Common Stock

Withholding price per share $0.99 per share Value used for tax-withholding transaction

Shares held after transaction 5,012,822 shares Class A Common Stock directly owned by CEO after Form 4

Key Terms

tax withholding, RSUs, Class A Common Stock, Form 4

4 terms

tax withholding financial

"to satisfy the reporting person's tax withholding obligations in connection with the vesting"

Tax withholding is the practice of taking a portion of a payment—such as wages, dividends, or sale proceeds—before it reaches the recipient and sending that portion to the tax authority as an advance on the recipient’s eventual tax bill. For investors it matters because withholding reduces immediate cash received and affects after‑tax returns, estimated tax payments, and whether you may owe more or receive a refund when taxes are finally calculated, like having a small automatic savings set aside for your tax bill.

RSUs financial

"in connection with the vesting and settlement of previously reported RSUs"

RSUs, or restricted stock units, are a form of company shares given to employees as part of their compensation. They are typically awarded with certain restrictions, such as a waiting period before they can be fully owned or sold, similar to earning a gift that becomes fully yours over time. For investors, RSUs can impact a company's stock offerings and reflect how much the company relies on stock-based incentives to attract and retain talent.

Class A Common Stock financial

"security_title": "Class A Common Stock""

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

Form 4 regulatory

"The Form 4 shows a tax-withholding disposition of 66,050 shares"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

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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 MASSACHUSETTS 01701

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/01/2026

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

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

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

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	06/01/2026		F		66,050(1)	D	$0.99	5,012,822	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	06/03/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

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

Definitive Healthcare reported a tax-withholding disposition for CEO Kevin Coop. The company withheld 66,050 Class A shares at $0.99 each to satisfy taxes from vesting RSUs, rather than an open-market purchase or sale.

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

The transaction was not an open-market sale. It reflects 66,050 shares of Class A Common Stock withheld by Definitive Healthcare at $0.99 per share to cover CEO Kevin Coop’s tax obligations on vesting RSUs.

How many Definitive Healthcare (DH) shares does CEO Kevin Coop hold after this Form 4?

After the reported tax-withholding transaction, CEO Kevin Coop is shown as directly owning 5,012,822 shares of Definitive Healthcare Class A Common Stock, indicating that the 66,050 withheld shares represent a relatively small portion of his overall reported holdings.

What does the F code mean in the Definitive Healthcare (DH) Form 4 filing?

The F code in this Form 4 indicates a tax-withholding disposition. Definitive Healthcare withheld 66,050 shares from CEO Kevin Coop, at $0.99 per share, to pay taxes due when previously reported RSUs vested and settled.

How are RSUs involved in the Definitive Healthcare (DH) CEO’s Form 4 filing?

The footnote explains that the withheld shares relate to vesting and settlement of previously reported RSUs. When these RSUs vested, Definitive Healthcare retained 66,050 shares at $0.99 each to satisfy CEO Kevin Coop’s tax withholding obligations.