PFEIFFENBERGER BRENT

PrivateCIK: 2001162

Location

PHILADELPHIA, PA

→CENTURY THERAPEUTICS, INC.

Jun 15, 2026·5d ago

1 txn

QUIMI DAPHNE

→CENTURY THERAPEUTICS, INC.

Jun 12, 2026·Jun 12, 2026

1 txn

BLACKWELL KIMBERLY

→CENTURY THERAPEUTICS, INC.

Jun 12, 2026·Jun 12, 2026

1 txn

KUNG WINSTON

→CORBUS PHARMACEUTICALS HOLDINGS, INC.

Jun 11, 2026·Jun 11, 2026

1 txn

JENKINS JOHN KENNETH

→CORBUS PHARMACEUTICALS HOLDINGS, INC.

Jun 11, 2026·Jun 11, 2026

1 txn

PFEIFFENBERGER BRENT

→CENTURY THERAPEUTICS, INC.

Jun 9, 2026·Jun 9, 2026

1 txn

CASHMAN STEVE

144

→BUTTERFLY NETWORK, INC.

Jun 5, 2026·Jun 5, 2026

-3

PFEIFFENBERGER BRENT

→CORBUS PHARMACEUTICALS HOLDINGS, INC.

May 21, 2026·May 21, 2026

2 txn

KUNG WINSTON

→CORBUS PHARMACEUTICALS HOLDINGS, INC.

May 21, 2026·May 21, 2026

2 txn

NEUBAUER CAROLL H

→BUTTERFLY NETWORK, INC.

May 21, 2026·May 21, 2026

1 txn

PFEIFFENBERGER BRENT

→CENTURY THERAPEUTICS, INC.

May 19, 2026·May 19, 2026

1 txn

CARLSON MEGAN

→BUTTERFLY NETWORK, INC.

May 5, 2026·May 5, 2026

1 txn

CASHMAN STEVE

144

→BUTTERFLY NETWORK, INC.

Apr 29, 2026·Apr 29, 2026

-4

CASHMAN STEVE

144

→BUTTERFLY NETWORK, INC.

Apr 16, 2026·Apr 16, 2026

-3

COWAN CHAD

→CENTURY THERAPEUTICS, INC.

Apr 3, 2026·Apr 3, 2026

2 txn

COWAN CHAD

→CENTURY THERAPEUTICS, INC.

Mar 13, 2026·Mar 13, 2026

2 txn

PFEIFFENBERGER BRENT

→CENTURY THERAPEUTICS, INC.

Mar 13, 2026·Mar 13, 2026

1 txn

RUSSOTTI GREGORY

144

→CENTURY THERAPEUTICS, INC.

Mar 12, 2026·Mar 12, 2026

-2

RUSSOTTI GREGORY

→CENTURY THERAPEUTICS, INC.

Mar 11, 2026·Mar 11, 2026

2 txn

PFEIFFENBERGER BRENT

→CENTURY THERAPEUTICS, INC.

Mar 10, 2026·Mar 10, 2026

1 txn

RUSSOTTI GREGORY

144

→CENTURY THERAPEUTICS, INC.

Mar 9, 2026·Mar 9, 2026

DEVIVO JOSEPH

→BUTTERFLY NETWORK, INC.

Mar 6, 2026·Mar 6, 2026

1 txn

DEVIVO JOSEPH

144

→BUTTERFLY NETWORK, INC.

Mar 5, 2026·Mar 5, 2026

-2

SMETHURST DOMINIC

→CORBUS PHARMACEUTICALS HOLDINGS, INC.

Mar 4, 2026·Mar 4, 2026

1 txn

DOHERTY JOHN N.

→BUTTERFLY NETWORK, INC.

Mar 4, 2026·Mar 4, 2026

1 txn

Page 1 of 22 · 537 total

Filer	Form	Target	Filed	Activity
PFEIFFENBERGER BRENTCIK · 2001162	4 Trade	CENTURY THERAPEUTICS, INC.CIK · 1850119	Jun 15, 2026 5d ago	1txn
QUIMI DAPHNECIK · 1543031	4 Trade	CENTURY THERAPEUTICS, INC.CIK · 1850119	Jun 12, 2026 Jun 12, 2026	1txn
BLACKWELL KIMBERLYCIK · 1816465	4 Trade	CENTURY THERAPEUTICS, INC.CIK · 1850119	Jun 12, 2026 Jun 12, 2026	1txn
KUNG WINSTONCIK · 1666963	4 Trade	CORBUS PHARMACEUTICALS HOLDINGS, INC.CIK · 1595097	Jun 11, 2026 Jun 11, 2026	1txn
JENKINS JOHN KENNETHCIK · 1742557	4 Trade	CORBUS PHARMACEUTICALS HOLDINGS, INC.CIK · 1595097	Jun 11, 2026 Jun 11, 2026	1txn
PFEIFFENBERGER BRENTCIK · 2001162	4 Trade	CENTURY THERAPEUTICS, INC.CIK · 1850119	Jun 9, 2026 Jun 9, 2026	1txn
CASHMAN STEVECIK · 2035576	144 Sale	BUTTERFLY NETWORK, INC.CIK · 1804176	Jun 5, 2026 Jun 5, 2026	—
PFEIFFENBERGER BRENTCIK · 2001162	4 Trade	CORBUS PHARMACEUTICALS HOLDINGS, INC.CIK · 1595097	May 21, 2026 May 21, 2026	2txn
KUNG WINSTONCIK · 1666963	4 Trade	CORBUS PHARMACEUTICALS HOLDINGS, INC.CIK · 1595097	May 21, 2026 May 21, 2026	2txn
NEUBAUER CAROLL HCIK · 2131822	4 Trade	BUTTERFLY NETWORK, INC.CIK · 1804176	May 21, 2026 May 21, 2026	1txn
PFEIFFENBERGER BRENTCIK · 2001162	4 Trade	CENTURY THERAPEUTICS, INC.CIK · 1850119	May 19, 2026 May 19, 2026	1txn
CARLSON MEGANCIK · 2080055	4 Trade	BUTTERFLY NETWORK, INC.CIK · 1804176	May 5, 2026 May 5, 2026	1txn
CASHMAN STEVECIK · 2035576	144 Sale	BUTTERFLY NETWORK, INC.CIK · 1804176	Apr 29, 2026 Apr 29, 2026	—
CASHMAN STEVECIK · 2035576	144 Sale	BUTTERFLY NETWORK, INC.CIK · 1804176	Apr 16, 2026 Apr 16, 2026	—
COWAN CHADCIK · 2039294	4 Trade	CENTURY THERAPEUTICS, INC.CIK · 1850119	Apr 3, 2026 Apr 3, 2026	2txn
COWAN CHADCIK · 2039294	4 Trade	CENTURY THERAPEUTICS, INC.CIK · 1850119	Mar 13, 2026 Mar 13, 2026	2txn
PFEIFFENBERGER BRENTCIK · 2001162	4 Trade	CENTURY THERAPEUTICS, INC.CIK · 1850119	Mar 13, 2026 Mar 13, 2026	1txn
RUSSOTTI GREGORYCIK · 1867305	144 Sale	CENTURY THERAPEUTICS, INC.CIK · 1850119	Mar 12, 2026 Mar 12, 2026	—
RUSSOTTI GREGORYCIK · 1867305	4 Trade	CENTURY THERAPEUTICS, INC.CIK · 1850119	Mar 11, 2026 Mar 11, 2026	2txn
PFEIFFENBERGER BRENTCIK · 2001162	4 Trade	CENTURY THERAPEUTICS, INC.CIK · 1850119	Mar 10, 2026 Mar 10, 2026	1txn
RUSSOTTI GREGORYCIK · 1867305	144 Sale	CENTURY THERAPEUTICS, INC.CIK · 1850119	Mar 9, 2026 Mar 9, 2026	—
DEVIVO JOSEPHCIK · 1258790	4 Trade	BUTTERFLY NETWORK, INC.CIK · 1804176	Mar 6, 2026 Mar 6, 2026	1txn
DEVIVO JOSEPHCIK · 1258790	144 Sale	BUTTERFLY NETWORK, INC.CIK · 1804176	Mar 5, 2026 Mar 5, 2026	—
SMETHURST DOMINICCIK · 1820549	4 Trade	CORBUS PHARMACEUTICALS HOLDINGS, INC.CIK · 1595097	Mar 4, 2026 Mar 4, 2026	1txn
DOHERTY JOHN N.CIK · 1645756	4 Trade	BUTTERFLY NETWORK, INC.CIK · 1804176	Mar 4, 2026 Mar 4, 2026	1txn

Page 1 of 22 · 537 total