DH

Definitive Healthcare Corp.

Insider trading activity for Definitive Healthcare Corp., straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 6 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 12 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Transaction history

The 48 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Aug 1	Krantz Jason Ronald	Director, 10% Owner	FTAX	12,166	$0.6823	$8.3K	-1.0%	Open the original filing on SEC.gov
Aug 1	Heller Casey	Chief Financial Officer	FTAX	1,881	$0.6823	$1.3K	-0.1%	Open the original filing on SEC.gov
Jul 1	Paris Jonathan	Chief Legal Officer	FTAX	30,591	$0.8	$24.5K	-3.4%	Open the original filing on SEC.gov
Jul 1	Coop Kevin	Chief Executive Officer	FTAX	37,593	$0.8	$30.1K	-0.8%	Open the original filing on SEC.gov
Jun 4	Stephenson Scott G	Director	AGRANT	189,190	—	—	+152.4%	Open the original filing on SEC.gov
Jun 4	Winters Kathleen A	Director	AGRANT	189,190	—	—	+157.9%	Open the original filing on SEC.gov
Jun 4	Chilukuri Sastry	Director	AGRANT	189,190	—	—	+149.2%	Open the original filing on SEC.gov
Jun 4	Hamood Samuel A	Director	AGRANT	189,190	—	—	+188.8%	Open the original filing on SEC.gov
Jun 1	Heller Casey	Chief Financial Officer	FTAX	164,377	$0.99	$162.7K	-8.2%	Open the original filing on SEC.gov
Jun 1	Coop Kevin	Chief Executive Officer	FTAX	66,050	$0.99	$65.4K	-1.3%	Open the original filing on SEC.gov
May 1	Krantz Jason Ronald	Director, 10% Owner	FTAX	12,166	$0.99	$12K	-1.0%	Open the original filing on SEC.gov
May 1	Heller Casey	Chief Financial Officer	FTAX	1,469	$0.99	$1.5K	<0.1%	Open the original filing on SEC.gov
Apr 1	Krantz Jason Ronald	Director, 10% Owner	FTAX	45,154	$1.09	$49.2K	-3.6%	Open the original filing on SEC.gov
Apr 1	Coop Kevin	Chief Executive Officer	FTAX	37,593	$1.09	$41K	-0.7%	Open the original filing on SEC.gov
Mar 1	Coop Kevin	Chief Executive Officer	FTAX	175,524	$1.28	$224.7K	-3.3%	Open the original filing on SEC.gov
Feb 24	Graboske Benjamin	EVP, Chief Data Officer	AGRANT	631,068	—	—	+92.7%	Open the original filing on SEC.gov
Feb 24	Paris Jonathan	Chief Legal Officer	AGRANT	481,505	—	—	+114.3%	Open the original filing on SEC.gov
Feb 24	Heller Casey	Chief Financial Officer	AGRANT	733,301	—	—	+57.6%	Open the original filing on SEC.gov
Feb 24	Krantz Jason Ronald	Director, 10% Owner	AGRANT	242,719	—	—	+23.9%	Open the original filing on SEC.gov
Feb 24	Coop Kevin	Chief Executive Officer	AGRANT	1.7M	—	—	+48.8%	Open the original filing on SEC.gov
Feb 1	Krantz Jason Ronald	Director, 10% Owner	FTAX	44,545	$2.32	$103.3K	-4.2%	Open the original filing on SEC.gov
Feb 1	Heller Casey	Chief Financial Officer	FTAX	1,469	$2.32	$3.4K	-0.1%	Open the original filing on SEC.gov
Jan 5	Heller Casey	Chief Financial Officer	AGRANT	195,313	—	—	+18.1%	Open the original filing on SEC.gov
Jan 1	Coop Kevin	Chief Executive Officer	FTAX	28,236	$2.87	$81K	-0.8%	Open the original filing on SEC.gov
Dec 22, 2025	Graboske Benjamin	EVP, Chief Data Officer	FTAX	341,417	$2.53	$863.8K	-33.5%	Open the original filing on SEC.gov
Nov 1, 2025	Heller Casey	Chief Financial Officer	FTAX	1,244	$2.77	$3.4K	-0.1%	Open the original filing on SEC.gov
Nov 1, 2025	Krantz Jason Ronald	Director, 10% Owner	FTAX	18,796	$2.77	$52.1K	-1.7%	Open the original filing on SEC.gov
Oct 1, 2025	Heller Casey	Chief Financial Officer	FTAX	8,300	$3.56	$29.5K	-0.8%	Open the original filing on SEC.gov
Oct 1, 2025	Coop Kevin	Chief Executive Officer	FTAX	37,593	$3.56	$133.8K	-1.0%	Open the original filing on SEC.gov
Sep 14, 2025	Krantz Jason Ronald	Director, 10% Owner	FTAX	4,093	$4.15	$17K	-0.4%	Open the original filing on SEC.gov
Aug 1, 2025	Heller Casey	Chief Financial Officer	FTAX	1,244	$3.74	$4.7K	-0.1%	Open the original filing on SEC.gov
Aug 1, 2025	Shamsuddin Kate Marie	Chief Operating Officer	FTAX	4,741	$3.74	$17.7K	-0.7%	Open the original filing on SEC.gov
Aug 1, 2025	Krantz Jason Ronald	Director, 10% Owner	FTAX	18,796	$3.74	$70.3K	-1.7%	Open the original filing on SEC.gov
Jul 1, 2025	Paris Jonathan	Chief Legal Officer	AGRANT	421,349	—	—	—	Open the original filing on SEC.gov
Jul 1, 2025	Coop Kevin	Chief Executive Officer	FTAX	116,750	$4.05	$472.8K	-3.1%	Open the original filing on SEC.gov
Jun 14, 2025	Shamsuddin Kate Marie	Chief Operating Officer	FTAX	1,012	$3.65	$3.7K	-0.1%	Open the original filing on SEC.gov
Jun 14, 2025	Krantz Jason Ronald	Director, 10% Owner	FTAX	4,093	$3.65	$14.9K	-0.4%	Open the original filing on SEC.gov
Jun 10, 2025	Heller Casey	Chief Financial Officer	AGRANT	485,881	—	—	+80.3%	Open the original filing on SEC.gov
Jun 5, 2025	Winters Kathleen A	Director	AGRANT	55,911	—	—	+87.5%	Open the original filing on SEC.gov
Jun 5, 2025	Larsen Jill	Director	AGRANT	55,911	—	—	+95.0%	Open the original filing on SEC.gov
Jun 5, 2025	Stephenson Scott G	Director	AGRANT	55,911	—	—	+82.0%	Open the original filing on SEC.gov
Jun 5, 2025	Hamood Samuel A	Director	AGRANT	55,911	—	—	+126.2%	Open the original filing on SEC.gov
Jun 5, 2025	Chilukuri Sastry	Director	AGRANT	55,911	—	—	+78.9%	Open the original filing on SEC.gov
Jun 2, 2025	Heller Casey	Chief Financial Officer	AGRANT	498,339	—	—	+466.8%	Open the original filing on SEC.gov
May 1, 2025	Krantz Jason Ronald	Director, 10% Owner	FTAX	18,795	$2.75	$51.7K	-1.7%	Open the original filing on SEC.gov
May 1, 2025	Shamsuddin Kate Marie	Chief Operating Officer	FTAX	4,595	$2.75	$12.6K	-0.7%	Open the original filing on SEC.gov
May 1, 2025	Booth Richard Douglas	Chief Financial Officer	FTAX	7,873	$2.75	$21.7K	-1.2%	Open the original filing on SEC.gov
Apr 28, 2025	Shamsuddin Kate Marie	Chief Operating Officer	AGRANT	243,446	—	—	+52.8%	Open the original filing on SEC.gov

FTAX$8.3K

Krantz Jason Ronald · Director, 10%…Aug 1

12,166 sh @ $0.6823 · -1.0% own

FTAX$1.3K

Heller Casey · Chief Financial…Aug 1

1,881 sh @ $0.6823 · -0.1% own

FTAX$24.5K

Paris Jonathan · Chief Legal…Jul 1

30,591 sh @ $0.8 · -3.4% own

FTAX$30.1K

Coop Kevin · Chief Executive…Jul 1

37,593 sh @ $0.8 · -0.8% own

AGRANT—

Stephenson Scott G · DirectorJun 4

189,190 sh · +152.4% own

AGRANT—

Winters Kathleen A · DirectorJun 4

189,190 sh · +157.9% own

AGRANT—

Chilukuri Sastry · DirectorJun 4

189,190 sh · +149.2% own

AGRANT—

Hamood Samuel A · DirectorJun 4

189,190 sh · +188.8% own

FTAX$162.7K

Heller Casey · Chief Financial…Jun 1

164,377 sh @ $0.99 · -8.2% own

FTAX$65.4K

Coop Kevin · Chief Executive…Jun 1

66,050 sh @ $0.99 · -1.3% own

FTAX$12K

Krantz Jason Ronald · Director, 10%…May 1

12,166 sh @ $0.99 · -1.0% own

FTAX$1.5K

Heller Casey · Chief Financial…May 1

1,469 sh @ $0.99 · <0.1% own

FTAX$49.2K

Krantz Jason Ronald · Director, 10%…Apr 1

45,154 sh @ $1.09 · -3.6% own

FTAX$41K

Coop Kevin · Chief Executive…Apr 1

37,593 sh @ $1.09 · -0.7% own

FTAX$224.7K

Coop Kevin · Chief Executive…Mar 1

175,524 sh @ $1.28 · -3.3% own

AGRANT—

Graboske Benjamin · EVP, Chief Data…Feb 24

631,068 sh · +92.7% own

AGRANT—

Paris Jonathan · Chief Legal…Feb 24

481,505 sh · +114.3% own

AGRANT—

Heller Casey · Chief Financial…Feb 24

733,301 sh · +57.6% own

AGRANT—

Krantz Jason Ronald · Director, 10%…Feb 24

242,719 sh · +23.9% own

AGRANT—

Coop Kevin · Chief Executive…Feb 24

1.7M sh · +48.8% own

FTAX$103.3K

Krantz Jason Ronald · Director, 10%…Feb 1

44,545 sh @ $2.32 · -4.2% own

FTAX$3.4K

Heller Casey · Chief Financial…Feb 1

1,469 sh @ $2.32 · -0.1% own

AGRANT—

Heller Casey · Chief Financial…Jan 5

195,313 sh · +18.1% own

FTAX$81K

Coop Kevin · Chief Executive…Jan 1

28,236 sh @ $2.87 · -0.8% own

FTAX$863.8K

Graboske Benjamin · EVP, Chief Data…Dec 22, 2025

341,417 sh @ $2.53 · -33.5% own

FTAX$3.4K

Heller Casey · Chief Financial…Nov 1, 2025

1,244 sh @ $2.77 · -0.1% own

FTAX$52.1K

Krantz Jason Ronald · Director, 10%…Nov 1, 2025

18,796 sh @ $2.77 · -1.7% own

FTAX$29.5K

Heller Casey · Chief Financial…Oct 1, 2025

8,300 sh @ $3.56 · -0.8% own

FTAX$133.8K

Coop Kevin · Chief Executive…Oct 1, 2025

37,593 sh @ $3.56 · -1.0% own

FTAX$17K

Krantz Jason Ronald · Director, 10%…Sep 14, 2025

4,093 sh @ $4.15 · -0.4% own

FTAX$4.7K

Heller Casey · Chief Financial…Aug 1, 2025

1,244 sh @ $3.74 · -0.1% own

FTAX$17.7K

Shamsuddin Kate Marie · Chief Operating…Aug 1, 2025

4,741 sh @ $3.74 · -0.7% own

FTAX$70.3K

Krantz Jason Ronald · Director, 10%…Aug 1, 2025

18,796 sh @ $3.74 · -1.7% own

AGRANT—

Paris Jonathan · Chief Legal…Jul 1, 2025

421,349 sh

FTAX$472.8K

Coop Kevin · Chief Executive…Jul 1, 2025

116,750 sh @ $4.05 · -3.1% own

FTAX$3.7K

Shamsuddin Kate Marie · Chief Operating…Jun 14, 2025

1,012 sh @ $3.65 · -0.1% own

FTAX$14.9K

Krantz Jason Ronald · Director, 10%…Jun 14, 2025

4,093 sh @ $3.65 · -0.4% own

AGRANT—

Heller Casey · Chief Financial…Jun 10, 2025

485,881 sh · +80.3% own

AGRANT—

Winters Kathleen A · DirectorJun 5, 2025

55,911 sh · +87.5% own

AGRANT—

Larsen Jill · DirectorJun 5, 2025

55,911 sh · +95.0% own

AGRANT—

Stephenson Scott G · DirectorJun 5, 2025

55,911 sh · +82.0% own

AGRANT—

Hamood Samuel A · DirectorJun 5, 2025

55,911 sh · +126.2% own

AGRANT—

Chilukuri Sastry · DirectorJun 5, 2025

55,911 sh · +78.9% own

AGRANT—

Heller Casey · Chief Financial…Jun 2, 2025

498,339 sh · +466.8% own

FTAX$51.7K

Krantz Jason Ronald · Director, 10%…May 1, 2025

18,795 sh @ $2.75 · -1.7% own

FTAX$12.6K

Shamsuddin Kate Marie · Chief Operating…May 1, 2025

4,595 sh @ $2.75 · -0.7% own

FTAX$21.7K

Booth Richard Douglas · Chief Financial…May 1, 2025

7,873 sh @ $2.75 · -1.2% own

AGRANT—

Shamsuddin Kate Marie · Chief Operating…Apr 28, 2025

243,446 sh · +52.8% own

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

All 48 filings we hold were filed within the two-business-day deadline.

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.

More technology companies

Other issuers in the same industry with insider filings on record.

Whole sector →