Definitive Healthcare (DH) CFO has 1,469 RSU shares withheld for tax

Rhea-AI Filing Summary

Definitive Healthcare Corp. reported a routine insider tax withholding transaction by its Chief Financial Officer. On 02/01/2026, CFO Casey Heller had 1,469 shares of Class A common stock withheld by the company at $2.32 per share to cover tax obligations tied to vesting restricted stock units. After this withholding, Heller beneficially owned 1,274,021 Class A common shares directly.

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

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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^*

Heller Casey

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
02/01/2026

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	02/01/2026		F(1)		1,469	D	$2.32	1,274,021	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	02/03/2026
	** 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.
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FAQ

What insider transaction did Definitive Healthcare (DH) report for its CFO?

Definitive Healthcare reported a routine insider tax withholding transaction. On 02/01/2026, CFO Casey Heller had 1,469 Class A common shares withheld by the company at $2.32 per share to satisfy tax obligations from vesting restricted stock units.

Did the Definitive Healthcare (DH) CFO sell shares on the open market?

No, the filing describes share withholding for taxes, not an open-market sale. The issuer withheld 1,469 Class A common shares at $2.32 each to cover CFO Casey Heller’s tax obligations from vesting and settlement of previously reported restricted stock units.

How many Definitive Healthcare (DH) shares does the CFO hold after this transaction?

After the tax withholding transaction, CFO Casey Heller beneficially owned 1,274,021 shares of Definitive Healthcare Class A common stock. The ownership is reported as direct, meaning the shares are held in the executive’s own name rather than through an intermediate entity.

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

Transaction code F indicates shares were withheld to pay taxes upon vesting of equity awards. In this case, 1,469 Class A common shares were withheld by Definitive Healthcare to satisfy CFO Casey Heller’s tax withholding obligations for previously reported restricted stock units.

What was the price used for the CFO’s withheld Definitive Healthcare (DH) shares?

The filing shows a price of $2.32 per share for the 1,469 withheld Class A common shares. This price is used solely for reporting the value of shares withheld to satisfy tax obligations tied to the vesting of restricted stock units.

Is this Definitive Healthcare (DH) insider transaction considered a derivative transaction?

No, the reported transaction appears in the non-derivative securities table. It involves Class A common stock withheld for taxes on vested restricted stock units, rather than the acquisition or disposition of options, warrants, or other derivative securities in the derivative securities table.