DH CFO awarded 733,301 RSUs in stock grant

Heller Casey reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Heller Casey reported acquisition or exercise transactions in this Form 4 filing.

Definitive Healthcare Corp.’s Chief Financial Officer, Casey Heller, reported an equity award of 733,301 restricted stock units (RSUs) tied to the company’s Class A common stock at a stated price of $0.00 per share. Each RSU represents a contingent right to receive one share.

According to the filing, 25% of these RSUs will vest on March 1, 2027, with an additional 6.25% vesting every three months over the following three years, as long as Heller remains in service. After this grant, Heller directly holds 2,007,322 shares or RSUs linked to Class A common stock.

Insider Trade Summary

Grant/Award: 733,301 shares

Grant/Award 1 txn

Insider Heller Casey

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Grant/Award	Class A Common Stock	733,301	$0.00	$0.00

Holdings After Transaction: Class A Common Stock — 2,007,322 shares (Direct)

Footnotes (1)

1. 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, with 25% of the RSUs vesting on March 1, 2027, 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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Definitive Healthcare (DH) disclose for Casey Heller?

Definitive Healthcare disclosed that Chief Financial Officer Casey Heller received a grant of 733,301 restricted stock units linked to Class A common stock at a price of $0.00 per share, representing a non-cash equity compensation award rather than an open-market stock purchase.

How do the 733,301 RSUs granted to DH’s CFO vest over time?

The 733,301 RSUs granted to Definitive Healthcare’s CFO vest gradually. Twenty-five percent vest on March 1, 2027, and the remaining 75% vest in 6.25% increments every three months over the next three years, conditioned on continued service with the company through each vesting date.

What does each RSU granted to Definitive Healthcare’s CFO represent?

Each RSU granted to Definitive Healthcare’s CFO represents a contingent right to receive one share of the company’s Class A common stock. The shares are only delivered as the RSUs vest, and vesting depends on the executive’s continued service with the company over the defined schedule.

How many Definitive Healthcare shares does Casey Heller hold after this Form 4 transaction?

After this Form 4 transaction, Chief Financial Officer Casey Heller is shown as directly holding 2,007,322 shares or RSU-linked interests in Definitive Healthcare’s Class A common stock. This figure includes the newly granted 733,301 restricted stock units, subject to their future vesting terms.

Was the DH CFO’s RSU award a market purchase or part of compensation?

The DH CFO’s RSU award was part of equity compensation, not a market purchase. The Form 4 lists 733,301 restricted stock units acquired at a price of $0.00 per share, reflecting a grant or award arrangement rather than buying shares on the open market.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 02/26/2026 - 04:54 PM 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).

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)
02/24/2026

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	02/24/2026		A		733,301(1)	A	$0	2,007,322	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 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, with 25% of the RSUs vesting on March 1, 2027, 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.

	/s/ Jonathan Paris, Attorney-in-Fact	02/26/2026
	** 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.