SENNOTT JOHN LANGTON JR.

PrivateCIK: 1362376

Location

NEW YORK, NY

→ATEGRITY SPECIALTY INSURANCE CO HOLDINGS

Jun 16, 2026·6d ago

2 txn

MERTON ROBERT C

→ATEGRITY SPECIALTY INSURANCE CO HOLDINGS

Jun 15, 2026·Jun 15, 2026

2 txn

COHEN JUSTIN G

→ATEGRITY SPECIALTY INSURANCE CO HOLDINGS

Oct 28, 2025·Oct 28, 2025

1 txn

ZIMMER STUART J.

→ATEGRITY SPECIALTY INSURANCE CO HOLDINGS

Oct 1, 2025·Oct 1, 2025

3 txn

ZIMMER STUART J.

→ATEGRITY SPECIALTY INSURANCE CO HOLDINGS

Sep 29, 2025·Sep 29, 2025

3 txn

ZIMMER STUART J.

→ATEGRITY SPECIALTY INSURANCE CO HOLDINGS

Aug 15, 2025·Aug 15, 2025

2 txn

PATEL NEELAM

→ATEGRITY SPECIALTY INSURANCE CO HOLDINGS

Jul 23, 2025·Jul 23, 2025

1 txn

MERCER WILLIAM S

→ATEGRITY SPECIALTY INSURANCE CO HOLDINGS

Jun 16, 2025·Jun 16, 2025

2 txn

SENNOTT JOHN LANGTON JR.

→ATEGRITY SPECIALTY INSURANCE CO HOLDINGS

Jun 16, 2025·Jun 16, 2025

2 txn

MERTON ROBERT C

→ATEGRITY SPECIALTY INSURANCE CO HOLDINGS

Jun 16, 2025·Jun 16, 2025

2 txn

PRESSMAN MITCHELL BRAD

→ATEGRITY SPECIALTY INSURANCE CO HOLDINGS

Jun 16, 2025·Jun 16, 2025

2 txn

PRESSMAN MITCHELL BRAD

→ATEGRITY SPECIALTY INSURANCE CO HOLDINGS

Jun 11, 2025·Jun 11, 2025

2 txn

MERTON ROBERT C

→ATEGRITY SPECIALTY INSURANCE CO HOLDINGS

Jun 11, 2025·Jun 11, 2025

1 txn

ZIMMER STUART J.

→ATEGRITY SPECIALTY INSURANCE CO HOLDINGS

Jun 11, 2025·Jun 11, 2025

5 txn

SENNOTT JOHN LANGTON JR.

→ATEGRITY SPECIALTY INSURANCE CO HOLDINGS

Jun 11, 2025·Jun 11, 2025

1 txn

COHEN JUSTIN G

→ATEGRITY SPECIALTY INSURANCE CO HOLDINGS

Jun 11, 2025·Jun 11, 2025

1 txn

MERCER WILLIAM S

→ATEGRITY SPECIALTY INSURANCE CO HOLDINGS

Jun 11, 2025·Jun 11, 2025

1 txn

PATEL NEELAM

→ATEGRITY SPECIALTY INSURANCE CO HOLDINGS

Jun 11, 2025·Jun 11, 2025

1 txn

HULST THOMAS

→ATEGRITY SPECIALTY INSURANCE CO HOLDINGS

Jun 11, 2025·Jun 11, 2025

2 txn

SCHENK CHRIS

→ATEGRITY SPECIALTY INSURANCE CO HOLDINGS

Jun 11, 2025·Jun 11, 2025

4 txn

ALLEGHANY CORP /DE

13F-HR

Holdings

Nov 1, 2022·Nov 1, 2022

BRANDON JOSEPH PATRICK

→ALLEGHANY CORP /DE

Oct 21, 2022·Oct 21, 2022

3 txn

TYLER LAUREN M

→ALLEGHANY CORP /DE

Oct 21, 2022·Oct 21, 2022

1 txn

MARTINEAU PHILLIP M

→ALLEGHANY CORP /DE

Oct 21, 2022·Oct 21, 2022

1 txn

SHANNON JOHN F

→ALLEGHANY CORP /DE

Oct 21, 2022·Oct 21, 2022

3 txn

Page 1 of 7 · 165 total

Filer	Form	Target	Filed	Activity
SENNOTT JOHN LANGTON JR.CIK · 1362376	4 Trade	ATEGRITY SPECIALTY INSURANCE CO HOLDINGSCIK · 2040491	Jun 16, 2026 6d ago	2txn
MERTON ROBERT CCIK · 1201888	4 Trade	ATEGRITY SPECIALTY INSURANCE CO HOLDINGSCIK · 2040491	Jun 15, 2026 Jun 15, 2026	2txn
COHEN JUSTIN GCIK · 2051664	4 Trade	ATEGRITY SPECIALTY INSURANCE CO HOLDINGSCIK · 2040491	Oct 28, 2025 Oct 28, 2025	1txn
ZIMMER STUART J.CIK · 1858477	4 Trade	ATEGRITY SPECIALTY INSURANCE CO HOLDINGSCIK · 2040491	Oct 1, 2025 Oct 1, 2025	3txn
ZIMMER STUART J.CIK · 1858477	4 Trade	ATEGRITY SPECIALTY INSURANCE CO HOLDINGSCIK · 2040491	Sep 29, 2025 Sep 29, 2025	3txn
ZIMMER STUART J.CIK · 1858477	4 Trade	ATEGRITY SPECIALTY INSURANCE CO HOLDINGSCIK · 2040491	Aug 15, 2025 Aug 15, 2025	2txn
PATEL NEELAMCIK · 2051585	4 Trade	ATEGRITY SPECIALTY INSURANCE CO HOLDINGSCIK · 2040491	Jul 23, 2025 Jul 23, 2025	1txn
MERCER WILLIAM SCIK · 2058460	4 Trade	ATEGRITY SPECIALTY INSURANCE CO HOLDINGSCIK · 2040491	Jun 16, 2025 Jun 16, 2025	2txn
SENNOTT JOHN LANGTON JR.CIK · 1362376	4 Trade	ATEGRITY SPECIALTY INSURANCE CO HOLDINGSCIK · 2040491	Jun 16, 2025 Jun 16, 2025	2txn
MERTON ROBERT CCIK · 1201888	4 Trade	ATEGRITY SPECIALTY INSURANCE CO HOLDINGSCIK · 2040491	Jun 16, 2025 Jun 16, 2025	2txn
PRESSMAN MITCHELL BRADCIK · 2071439	4 Trade	ATEGRITY SPECIALTY INSURANCE CO HOLDINGSCIK · 2040491	Jun 16, 2025 Jun 16, 2025	2txn
PRESSMAN MITCHELL BRADCIK · 2071439	3 Initial	ATEGRITY SPECIALTY INSURANCE CO HOLDINGSCIK · 2040491	Jun 11, 2025 Jun 11, 2025	2txn
MERTON ROBERT CCIK · 1201888	3 Initial	ATEGRITY SPECIALTY INSURANCE CO HOLDINGSCIK · 2040491	Jun 11, 2025 Jun 11, 2025	1txn
ZIMMER STUART J.CIK · 1858477	3 Initial	ATEGRITY SPECIALTY INSURANCE CO HOLDINGSCIK · 2040491	Jun 11, 2025 Jun 11, 2025	5txn
SENNOTT JOHN LANGTON JR.CIK · 1362376	3 Initial	ATEGRITY SPECIALTY INSURANCE CO HOLDINGSCIK · 2040491	Jun 11, 2025 Jun 11, 2025	1txn
COHEN JUSTIN GCIK · 2051664	3 Initial	ATEGRITY SPECIALTY INSURANCE CO HOLDINGSCIK · 2040491	Jun 11, 2025 Jun 11, 2025	1txn
MERCER WILLIAM SCIK · 2058460	3 Initial	ATEGRITY SPECIALTY INSURANCE CO HOLDINGSCIK · 2040491	Jun 11, 2025 Jun 11, 2025	1txn
PATEL NEELAMCIK · 2051585	3 Initial	ATEGRITY SPECIALTY INSURANCE CO HOLDINGSCIK · 2040491	Jun 11, 2025 Jun 11, 2025	1txn
HULST THOMASCIK · 2053114	3 Initial	ATEGRITY SPECIALTY INSURANCE CO HOLDINGSCIK · 2040491	Jun 11, 2025 Jun 11, 2025	2txn
SCHENK CHRISCIK · 2051552	3 Initial	ATEGRITY SPECIALTY INSURANCE CO HOLDINGSCIK · 2040491	Jun 11, 2025 Jun 11, 2025	4txn
ALLEGHANY CORP /DECIK · 775368	13F-HR Holdings	—	Nov 1, 2022 Nov 1, 2022	—
BRANDON JOSEPH PATRICKCIK · 1544033	4 Trade	ALLEGHANY CORP /DECIK · 775368	Oct 21, 2022 Oct 21, 2022	3txn
TYLER LAUREN MCIK · 1765744	4 Trade	ALLEGHANY CORP /DECIK · 775368	Oct 21, 2022 Oct 21, 2022	1txn
MARTINEAU PHILLIP MCIK · 1195350	4 Trade	ALLEGHANY CORP /DECIK · 775368	Oct 21, 2022 Oct 21, 2022	1txn
SHANNON JOHN FCIK · 1801722	4 Trade	ALLEGHANY CORP /DECIK · 775368	Oct 21, 2022 Oct 21, 2022	3txn

Page 1 of 7 · 165 total