Casey Heller

CIK: 0002052043

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)4 (30.8%)

Compensation grants

Other (G, F, J, C, D, …)9 (69.2%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

Definitive Healthcare Corp.

Officer

Discretionary Trading P&L

Holdings

Transaction History (13 total)

DH
Definitive Healthcare Corp.
Oct 1, 2026
Tax Payment(F)
Direct
12.5K shares at avg. $0.94$12K
DH
Definitive Healthcare Corp.
Sep 1, 2026
Tax Payment(F)
Direct
41.1K shares at avg. $0.90$37K
DH
Definitive Healthcare Corp.
Aug 1, 2026
Tax Payment(F)
Direct
1.9K shares at avg. $0.68$1K
DH
Definitive Healthcare Corp.
Jun 1, 2026
Tax Payment(F)
Direct
164.4K shares at avg. $0.99$163K
DH
Definitive Healthcare Corp.
May 1, 2026
Tax Payment(F)
Direct
1.5K shares at avg. $0.99$1K
DH
Definitive Healthcare Corp.
Feb 24, 2026
Award(A)
Direct
733.3K shares-
DH
Definitive Healthcare Corp.
Feb 1, 2026
Tax Payment(F)
Direct
1.5K shares at avg. $2.32$3K
DH
Definitive Healthcare Corp.
Jan 5, 2026
Award(A)
Direct
195.3K shares-
DH
Definitive Healthcare Corp.
Nov 1, 2025
Tax Payment(F)
Direct
1.2K shares at avg. $2.77$3K
DH
Definitive Healthcare Corp.
Oct 1, 2025
Tax Payment(F)
Direct
8.3K shares at avg. $3.56$30K
DH
Definitive Healthcare Corp.
Aug 1, 2025
Tax Payment(F)
Direct
1.2K shares at avg. $3.74$5K
DH
Definitive Healthcare Corp.
Jun 10, 2025
Award(A)
Direct
485.9K shares-
DH
Definitive Healthcare Corp.
Jun 2, 2025
Award(A)
Direct
498.3K shares-

		Type	Shares	Price		Ownership
Oct 1, 2026	DH Definitive Healthcare Corp.	Tax Payment(F)	12,542	$0.94	$11,741	Direct
Sep 1, 2026	DH Definitive Healthcare Corp.	Tax Payment(F)	41,093	$0.90	$37,078	Direct
Aug 1, 2026	DH Definitive Healthcare Corp.	Tax Payment(F)	1,881	$0.68	$1,283	Direct
Jun 1, 2026	DH Definitive Healthcare Corp.	Tax Payment(F)	164,377	$0.99	$162,733	Direct
May 1, 2026	DH Definitive Healthcare Corp.	Tax Payment(F)	1,469	$0.99	$1,454	Direct
Feb 24, 2026	DH Definitive Healthcare Corp.	Award(A)	733,301	-	$0	Direct
Feb 1, 2026	DH Definitive Healthcare Corp.	Tax Payment(F)	1,469	$2.32	$3,408	Direct
Jan 5, 2026	DH Definitive Healthcare Corp.	Award(A)	195,313	-	$0	Direct
Nov 1, 2025	DH Definitive Healthcare Corp.	Tax Payment(F)	1,244	$2.77	$3,446	Direct
Oct 1, 2025	DH Definitive Healthcare Corp.	Tax Payment(F)	8,300	$3.56	$29,548	Direct
Aug 1, 2025	DH Definitive Healthcare Corp.	Tax Payment(F)	1,244	$3.74	$4,653	Direct
Jun 10, 2025	DH Definitive Healthcare Corp.	Award(A)	485,881	-	-	Direct
Jun 2, 2025	DH Definitive Healthcare Corp.	Award(A)	498,339	-	-	Direct

1-13 of 13 transactions

About Heller Casey

Heller Casey (SEC CIK 0002052043) files insider reports with the SEC as Chief Financial Officer of Definitive Healthcare Corp. (DH).

Signal8 holds 14 ownership filings by Heller Casey (1 Form 3, 13 Form 4), filed between Jun 4, 2025 and Oct 5, 2026. Those filings report 13 transactions, from Jun 2, 2025 to Oct 1, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Heller Casey's filings is in FRAMINGHAM, MA.

Recent filings by Heller Casey

Oct 1, 2026: Tax withholding of DH shares (Form 4, code F).
Sep 1, 2026: Tax withholding of DH shares (Form 4, code F).
Aug 1, 2026: Tax withholding of DH shares (Form 4, code F).
Jun 1, 2026: Tax withholding of DH shares (Form 4, code F).
May 1, 2026: Tax withholding of DH shares (Form 4, code F).

Other insiders filing for Definitive Healthcare Corp. (DH)

Ritchey Clay Brian, Chief Executive Officer
Paris Jonathan, Chief Legal Officer
Krantz Jason Ronald, Director
Coop Kevin, Chief Executive Officer
Hamood Samuel A, Director
Stephenson Scott G, Director

How to read Form 4 transaction codes