MEISNER DEREK M

PrivateCIK: 1752461

Location

CAMBRIDGE, MA

DRAPKIN KIMBERLEE C

→ACUMEN PHARMACEUTICALS, INC.

Jun 5, 2026·Jun 5, 2026

2 txn

STALFORT JOHN A III

→ACUMEN PHARMACEUTICALS, INC.

Jun 5, 2026·Jun 5, 2026

2 txn

IVES JEFFREY L.

→ACUMEN PHARMACEUTICALS, INC.

Jun 5, 2026·Jun 5, 2026

2 txn

KIRSKE DAVID

→X4 PHARMACEUTICALS, INC

May 13, 2026·May 13, 2026

1 txn

KIRSKE DAVID

144

→X4 PHARMACEUTICALS, INC

May 12, 2026·May 12, 2026

RA CAPITAL MANAGEMENT, L.P.

→ACUMEN PHARMACEUTICALS, INC.

Mar 18, 2026·Mar 18, 2026

3 txn

MEISNER DEREK M

→ACUMEN PHARMACEUTICALS, INC.

Mar 10, 2026·Mar 10, 2026

3 txn

MEISNER DEREK M

144

→ACUMEN PHARMACEUTICALS, INC.

Mar 6, 2026·Mar 6, 2026

-13

MEISNER DEREK M

→ACUMEN PHARMACEUTICALS, INC.

Mar 3, 2026·Mar 3, 2026

3 txn

MEISNER DEREK M

144

→ACUMEN PHARMACEUTICALS, INC.

Feb 27, 2026·Feb 27, 2026

-12

MEISNER DEREK M

144

→ACUMEN PHARMACEUTICALS, INC.

Jan 28, 2026·Jan 28, 2026

-11

MEISNER DEREK M

→ACUMEN PHARMACEUTICALS, INC.

Jan 28, 2026·Jan 28, 2026

6 txn

MEISNER DEREK M

144

→ACUMEN PHARMACEUTICALS, INC.

Jan 26, 2026·Jan 26, 2026

-10

MEISNER DEREK M

144

→ACUMEN PHARMACEUTICALS, INC.

Jan 23, 2026·Jan 23, 2026

-9

MEISNER DEREK M

→ACUMEN PHARMACEUTICALS, INC.

Jan 23, 2026·Jan 23, 2026

3 txn

SIEMERS ERIC

→ACUMEN PHARMACEUTICALS, INC.

Jan 23, 2026·Jan 23, 2026

2 txn

ZUGA MATT

→ACUMEN PHARMACEUTICALS, INC.

Jan 23, 2026·Jan 23, 2026

2 txn

OCONNELL DANIEL JOSEPH

→ACUMEN PHARMACEUTICALS, INC.

Jan 23, 2026·Jan 23, 2026

2 txn

BARTON RUSSELL

→ACUMEN PHARMACEUTICALS, INC.

Jan 23, 2026·Jan 23, 2026

2 txn

MEISNER DEREK M

144

→ACUMEN PHARMACEUTICALS, INC.

Jan 22, 2026·Jan 22, 2026

-8

SIEMERS ERIC

144

→ACUMEN PHARMACEUTICALS, INC.

Jan 22, 2026·Jan 22, 2026

-4

BARTON RUSSELL

144

→ACUMEN PHARMACEUTICALS, INC.

Jan 22, 2026·Jan 22, 2026

-6

ZUGA MATT

144

→ACUMEN PHARMACEUTICALS, INC.

Jan 22, 2026·Jan 22, 2026

-6

OCONNELL DANIEL JOSEPH

144

→ACUMEN PHARMACEUTICALS, INC.

Jan 22, 2026·Jan 22, 2026

-8

MEISNER DEREK M

144

→ACUMEN PHARMACEUTICALS, INC.

Jan 21, 2026·Jan 21, 2026

-7

Page 1 of 11 · 274 total

Filer	Form	Target	Filed	Activity
DRAPKIN KIMBERLEE CCIK · 1340881	4 Trade	ACUMEN PHARMACEUTICALS, INC.CIK · 1576885	Jun 5, 2026 Jun 5, 2026	2txn
STALFORT JOHN A IIICIK · 1709418	4 Trade	ACUMEN PHARMACEUTICALS, INC.CIK · 1576885	Jun 5, 2026 Jun 5, 2026	2txn
IVES JEFFREY L.CIK · 1614096	4 Trade	ACUMEN PHARMACEUTICALS, INC.CIK · 1576885	Jun 5, 2026 Jun 5, 2026	2txn
KIRSKE DAVIDCIK · 1276750	4 Trade	X4 PHARMACEUTICALS, INCCIK · 1501697	May 13, 2026 May 13, 2026	1txn
KIRSKE DAVIDCIK · 1276750	144 Sale	X4 PHARMACEUTICALS, INCCIK · 1501697	May 12, 2026 May 12, 2026	—
RA CAPITAL MANAGEMENT, L.P.CIK · 1346824	4 Trade	ACUMEN PHARMACEUTICALS, INC.CIK · 1576885	Mar 18, 2026 Mar 18, 2026	3txn
MEISNER DEREK MCIK · 1752461	4 Trade	ACUMEN PHARMACEUTICALS, INC.CIK · 1576885	Mar 10, 2026 Mar 10, 2026	3txn
MEISNER DEREK MCIK · 1752461	144 Sale	ACUMEN PHARMACEUTICALS, INC.CIK · 1576885	Mar 6, 2026 Mar 6, 2026	—
MEISNER DEREK MCIK · 1752461	4 Trade	ACUMEN PHARMACEUTICALS, INC.CIK · 1576885	Mar 3, 2026 Mar 3, 2026	3txn
MEISNER DEREK MCIK · 1752461	144 Sale	ACUMEN PHARMACEUTICALS, INC.CIK · 1576885	Feb 27, 2026 Feb 27, 2026	—
MEISNER DEREK MCIK · 1752461	144 Sale	ACUMEN PHARMACEUTICALS, INC.CIK · 1576885	Jan 28, 2026 Jan 28, 2026	—
MEISNER DEREK MCIK · 1752461	4 Trade	ACUMEN PHARMACEUTICALS, INC.CIK · 1576885	Jan 28, 2026 Jan 28, 2026	6txn
MEISNER DEREK MCIK · 1752461	144 Sale	ACUMEN PHARMACEUTICALS, INC.CIK · 1576885	Jan 26, 2026 Jan 26, 2026	—
MEISNER DEREK MCIK · 1752461	144 Sale	ACUMEN PHARMACEUTICALS, INC.CIK · 1576885	Jan 23, 2026 Jan 23, 2026	—
MEISNER DEREK MCIK · 1752461	4 Trade	ACUMEN PHARMACEUTICALS, INC.CIK · 1576885	Jan 23, 2026 Jan 23, 2026	3txn
SIEMERS ERICCIK · 1866239	4 Trade	ACUMEN PHARMACEUTICALS, INC.CIK · 1576885	Jan 23, 2026 Jan 23, 2026	2txn
ZUGA MATTCIK · 1790214	4 Trade	ACUMEN PHARMACEUTICALS, INC.CIK · 1576885	Jan 23, 2026 Jan 23, 2026	2txn
OCONNELL DANIEL JOSEPHCIK · 1865136	4 Trade	ACUMEN PHARMACEUTICALS, INC.CIK · 1576885	Jan 23, 2026 Jan 23, 2026	2txn
BARTON RUSSELLCIK · 1867418	4 Trade	ACUMEN PHARMACEUTICALS, INC.CIK · 1576885	Jan 23, 2026 Jan 23, 2026	2txn
MEISNER DEREK MCIK · 1752461	144 Sale	ACUMEN PHARMACEUTICALS, INC.CIK · 1576885	Jan 22, 2026 Jan 22, 2026	—
SIEMERS ERICCIK · 1866239	144 Sale	ACUMEN PHARMACEUTICALS, INC.CIK · 1576885	Jan 22, 2026 Jan 22, 2026	—
BARTON RUSSELLCIK · 1867418	144 Sale	ACUMEN PHARMACEUTICALS, INC.CIK · 1576885	Jan 22, 2026 Jan 22, 2026	—
ZUGA MATTCIK · 1790214	144 Sale	ACUMEN PHARMACEUTICALS, INC.CIK · 1576885	Jan 22, 2026 Jan 22, 2026	—
OCONNELL DANIEL JOSEPHCIK · 1865136	144 Sale	ACUMEN PHARMACEUTICALS, INC.CIK · 1576885	Jan 22, 2026 Jan 22, 2026	—
MEISNER DEREK MCIK · 1752461	144 Sale	ACUMEN PHARMACEUTICALS, INC.CIK · 1576885	Jan 21, 2026 Jan 21, 2026	—

Page 1 of 11 · 274 total