BOOTH RICHARD DOUGLAS

PrivateCIK: 1641054

Location

BOSTON, MA

RITCHEY CLAY BRIAN

→DEFINITIVE HEALTHCARE CORP.

Oct 27, 2026·1d ago

1 txn

HELLER CASEY

→DEFINITIVE HEALTHCARE CORP.

Oct 5, 2026·Oct 5, 2026

1 txn

PARIS JONATHAN

→DEFINITIVE HEALTHCARE CORP.

Oct 5, 2026·Oct 5, 2026

1 txn

YELLIN JONATHAN D

→CRA INTERNATIONAL, INC.

Sep 16, 2026·Sep 16, 2026

9 txn

MALEH PAUL A

→CRA INTERNATIONAL, INC.

Sep 16, 2026·Sep 16, 2026

9 txn

NIERENBERG ERIC

→CRA INTERNATIONAL, INC.

Sep 16, 2026·Sep 16, 2026

3 txn

LANGAN BRIAN

→CRA INTERNATIONAL, INC.

Sep 16, 2026·Sep 16, 2026

3 txn

RITCHEY CLAY BRIAN

→DEFINITIVE HEALTHCARE CORP.

Sep 16, 2026·Sep 16, 2026

1 txn

HELLER CASEY

→DEFINITIVE HEALTHCARE CORP.

Sep 3, 2026·Sep 3, 2026

1 txn

MALEH PAUL A

→CRA INTERNATIONAL, INC.

Sep 2, 2026·Sep 2, 2026

4 txn

KRANTZ JASON RONALD

→DEFINITIVE HEALTHCARE CORP.

Aug 4, 2026·Aug 4, 2026

2 txn

HELLER CASEY

→DEFINITIVE HEALTHCARE CORP.

Aug 4, 2026·Aug 4, 2026

1 txn

BOOTH RICHARD DOUGLAS

→CRA INTERNATIONAL, INC.

Jul 20, 2026·Jul 20, 2026

1 txn

PARIS JONATHAN

→DEFINITIVE HEALTHCARE CORP.

Jul 6, 2026·Jul 6, 2026

1 txn

HAMOOD SAMUEL A

→DEFINITIVE HEALTHCARE CORP.

Jun 9, 2026·Jun 9, 2026

2 txn

STEPHENSON SCOTT G

→DEFINITIVE HEALTHCARE CORP.

Jun 8, 2026·Jun 8, 2026

1 txn

WINTERS KATHLEEN A

→DEFINITIVE HEALTHCARE CORP.

Jun 8, 2026·Jun 8, 2026

1 txn

KRANTZ JASON RONALD

→DEFINITIVE HEALTHCARE CORP.

May 5, 2026·May 5, 2026

2 txn

HELLER CASEY

→DEFINITIVE HEALTHCARE CORP.

May 5, 2026·May 5, 2026

1 txn

KRANTZ JASON RONALD

→DEFINITIVE HEALTHCARE CORP.

Apr 3, 2026·Apr 3, 2026

2 txn

LANGAN BRIAN

→CRA INTERNATIONAL, INC.

Mar 24, 2026·Mar 24, 2026

1 txn

NIERENBERG ERIC

→CRA INTERNATIONAL, INC.

Mar 24, 2026·Mar 24, 2026

1 txn

MALEH PAUL A

→CRA INTERNATIONAL, INC.

Mar 24, 2026·Mar 24, 2026

8 txn

YELLIN JONATHAN D

→CRA INTERNATIONAL, INC.

Mar 24, 2026·Mar 24, 2026

8 txn

HOLMES CHAD M

→CRA INTERNATIONAL, INC.

Mar 24, 2026·Mar 24, 2026

8 txn

Page 1 of 39 · 970 total

Filer	Form	Target	Filed	Activity
RITCHEY CLAY BRIANCIK · 2153657	4 Trade	DEFINITIVE HEALTHCARE CORP.CIK · 1861795	Oct 27, 2026 1d ago	1txn
HELLER CASEYCIK · 2052043	4 Trade	DEFINITIVE HEALTHCARE CORP.CIK · 1861795	Oct 5, 2026 Oct 5, 2026	1txn
PARIS JONATHANCIK · 1866482	4 Trade	DEFINITIVE HEALTHCARE CORP.CIK · 1861795	Oct 5, 2026 Oct 5, 2026	1txn
YELLIN JONATHAN DCIK · 1701764	4 Trade	CRA INTERNATIONAL, INC.CIK · 1053706	Sep 16, 2026 Sep 16, 2026	9txn
MALEH PAUL ACIK · 1379160	4 Trade	CRA INTERNATIONAL, INC.CIK · 1053706	Sep 16, 2026 Sep 16, 2026	9txn
NIERENBERG ERICCIK · 2074844	4 Trade	CRA INTERNATIONAL, INC.CIK · 1053706	Sep 16, 2026 Sep 16, 2026	3txn
LANGAN BRIANCIK · 2076000	4 Trade	CRA INTERNATIONAL, INC.CIK · 1053706	Sep 16, 2026 Sep 16, 2026	3txn
RITCHEY CLAY BRIANCIK · 2153657	3 Initial	DEFINITIVE HEALTHCARE CORP.CIK · 1861795	Sep 16, 2026 Sep 16, 2026	1txn
HELLER CASEYCIK · 2052043	4 Trade	DEFINITIVE HEALTHCARE CORP.CIK · 1861795	Sep 3, 2026 Sep 3, 2026	1txn
MALEH PAUL ACIK · 1379160	4 Trade	CRA INTERNATIONAL, INC.CIK · 1053706	Sep 2, 2026 Sep 2, 2026	4txn
KRANTZ JASON RONALDCIK · 1879507	4 Trade	DEFINITIVE HEALTHCARE CORP.CIK · 1861795	Aug 4, 2026 Aug 4, 2026	2txn
HELLER CASEYCIK · 2052043	4 Trade	DEFINITIVE HEALTHCARE CORP.CIK · 1861795	Aug 4, 2026 Aug 4, 2026	1txn
BOOTH RICHARD DOUGLASCIK · 1641054	4 Trade	CRA INTERNATIONAL, INC.CIK · 1053706	Jul 20, 2026 Jul 20, 2026	1txn
PARIS JONATHANCIK · 1866482	4 Trade	DEFINITIVE HEALTHCARE CORP.CIK · 1861795	Jul 6, 2026 Jul 6, 2026	1txn
HAMOOD SAMUEL ACIK · 1645772	4 Trade	DEFINITIVE HEALTHCARE CORP.CIK · 1861795	Jun 9, 2026 Jun 9, 2026	2txn
STEPHENSON SCOTT GCIK · 1472708	4 Trade	DEFINITIVE HEALTHCARE CORP.CIK · 1861795	Jun 8, 2026 Jun 8, 2026	1txn
WINTERS KATHLEEN ACIK · 1468300	4 Trade	DEFINITIVE HEALTHCARE CORP.CIK · 1861795	Jun 8, 2026 Jun 8, 2026	1txn
KRANTZ JASON RONALDCIK · 1879507	4 Trade	DEFINITIVE HEALTHCARE CORP.CIK · 1861795	May 5, 2026 May 5, 2026	2txn
HELLER CASEYCIK · 2052043	4 Trade	DEFINITIVE HEALTHCARE CORP.CIK · 1861795	May 5, 2026 May 5, 2026	1txn
KRANTZ JASON RONALDCIK · 1879507	4 Trade	DEFINITIVE HEALTHCARE CORP.CIK · 1861795	Apr 3, 2026 Apr 3, 2026	2txn
LANGAN BRIANCIK · 2076000	4 Trade	CRA INTERNATIONAL, INC.CIK · 1053706	Mar 24, 2026 Mar 24, 2026	1txn
NIERENBERG ERICCIK · 2074844	4 Trade	CRA INTERNATIONAL, INC.CIK · 1053706	Mar 24, 2026 Mar 24, 2026	1txn
MALEH PAUL ACIK · 1379160	4 Trade	CRA INTERNATIONAL, INC.CIK · 1053706	Mar 24, 2026 Mar 24, 2026	8txn
YELLIN JONATHAN DCIK · 1701764	4 Trade	CRA INTERNATIONAL, INC.CIK · 1053706	Mar 24, 2026 Mar 24, 2026	8txn
HOLMES CHAD MCIK · 1621819	4 Trade	CRA INTERNATIONAL, INC.CIK · 1053706	Mar 24, 2026 Mar 24, 2026	8txn

Page 1 of 39 · 970 total