Definitive Healthcare Corp. (DH) chair has 12,166 shares withheld for tax

Rhea-AI Filing Summary

Definitive Healthcare Corp. Executive Chairman and 10% owner Jason Ronald Krantz had 12,166 shares of Class A common stock withheld by the issuer on August 1, 2026 to satisfy tax obligations arising from the vesting and settlement of previously reported RSUs at $0.6823 per share.

Following this tax-withholding disposition, he directly holds 1,189,272 shares of Class A common stock and indirectly beneficially owns 450,000 shares through DH Holdings (formerly Jason R. Krantz 2009 Trust), of which he is the beneficiary.

Insider Trade Summary

Net Seller: 12,166 shares

Net Sell 2 txns

Insider Krantz Jason Ronald

Role Director, 10% Owner

Type	Security	Shares	Price	Value
Tax Withholding	Class A Common Stock F1	12,166	$0.6823	$8K
holding	DH Holdings (f/k/a Jason R. Krantz 2009 Trust) F2	--	--	--

Holdings After Transaction: Class A Common Stock — 1,189,272 shares (Direct); DH Holdings (f/k/a Jason R. Krantz 2009 Trust) — 450,000 shares (Indirect, See Footnote.)

Footnotes (2)

1. F1. 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.
2. F2. Amount beneficially owned in trust by DH Holdings (fka Jason R. Krantz 2009 Trust), of which the Reporting Person is the beneficiary.

Key Figures

Shares withheld for taxes: 12,166 shares Withholding price per share: $0.6823 per share Direct holdings after transaction: 1,189,272 shares +1 more

4 metrics

Shares withheld for taxes 12,166 shares Class A common stock withheld on August 1, 2026 to satisfy tax obligations from RSU vesting

Withholding price per share $0.6823 per share Value used for the 12,166 Class A shares withheld to cover tax obligations

Direct holdings after transaction 1,189,272 shares Class A common stock directly held by Jason Ronald Krantz following the tax-withholding disposition

Indirect trust holdings 450,000 shares Shares beneficially owned in trust by DH Holdings (f/k/a Jason R. Krantz 2009 Trust)

Key Terms

Restricted Stock Units, tax withholding obligations, beneficially owned

3 terms

Restricted Stock Units financial

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

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

tax withholding obligations financial

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

beneficially owned financial

"Amount beneficially owned in trust by DH Holdings"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

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

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/04/2026 - 04:05 PM Accepted by SEC EDGAR 08/04/2026 - 04:05 PM Learn about SEC filing dates

FAQ

What insider transaction did DH’s Jason Ronald Krantz report?

Jason Ronald Krantz reported a tax-withholding disposition of 12,166 Definitive Healthcare Class A shares on August 1, 2026, withheld by the issuer to cover tax obligations from vesting and settlement of previously reported RSUs at $0.6823 per share.

How many Definitive Healthcare (DH) shares does Jason Ronald Krantz hold after this filing?

After the reported transaction, Jason Ronald Krantz directly holds 1,189,272 shares of Definitive Healthcare Class A common stock and indirectly beneficially owns 450,000 additional shares through DH Holdings, a trust of which he is the beneficiary.

Was the DH insider share disposition an open-market sale?

No. The 12,166-share disposition by Jason Ronald Krantz was a withholding of shares by the issuer to satisfy tax withholding obligations related to vesting RSUs, rather than an open-market sale of Definitive Healthcare Class A shares.

What price was used for the DH shares withheld for Jason Ronald Krantz’s taxes?

The shares withheld to cover Jason Ronald Krantz’s tax obligations were valued at $0.6823 per share. In total, 12,166 Class A shares of Definitive Healthcare were withheld in connection with the vesting and settlement of previously reported Restricted Stock Units.

How are Jason Ronald Krantz’s indirect Definitive Healthcare (DH) holdings structured?

Krantz’s indirect holdings consist of 450,000 Definitive Healthcare shares beneficially owned in trust by DH Holdings (formerly the Jason R. Krantz 2009 Trust), for which he is the beneficiary, reflecting indirect rather than directly registered ownership of those shares.

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^*

Krantz Jason Ronald

(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	X	10% Owner
	Officer (give title below)	X	Other (specify below)
			EXECUTIVE CHAIRMAN

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/01/2026

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	08/01/2026		F		12,166(1)	D	$0.6823	1,189,272	D
DH Holdings (f/k/a Jason R. Krantz 2009 Trust)								450,000	I	See Footnote.(2)

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.

2. Amount beneficially owned in trust by DH Holdings (fka Jason R. Krantz 2009 Trust), of which the Reporting Person is the beneficiary.

	/s/ Jonathan Paris, Attorney-in-Fact	08/04/2026
	** 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)