STELZER LAURIE

PrivateCIK: 1644348

Location

WALTHAM, MA

RADOVICH PETER

→MBX BIOSCIENCES, INC.

Oct 22, 2026·5d ago

1 txn

RA CAPITAL MANAGEMENT, L.P.

→SIONNA THERAPEUTICS, INC.

Sep 21, 2026·Sep 21, 2026

5 txn

RIDLOFF ELENA

→SIONNA THERAPEUTICS, INC.

Sep 18, 2026·Sep 18, 2026

4 txn

CLOONAN MICHAEL

→SIONNA THERAPEUTICS, INC.

Sep 18, 2026·Sep 18, 2026

4 txn

RA CAPITAL HEALTHCARE FUND LP

144

→SIONNA THERAPEUTICS, INC.

Sep 17, 2026·Sep 17, 2026

POSARD MATTHEW L.

→HALOZYME THERAPEUTICS, INC.

Sep 17, 2026·Sep 17, 2026

4 txn

HAWRYLUK P. KENT

144

→MBX BIOSCIENCES, INC.

Aug 17, 2026·Aug 17, 2026

-2

SMITHER JOHN W

→MBX BIOSCIENCES, INC.

Aug 4, 2026·Aug 4, 2026

2 txn

HOERTER STEVEN L.

→MBX BIOSCIENCES, INC.

Aug 4, 2026·Aug 4, 2026

3 txn

THOMPSON PETER A.

→SIONNA THERAPEUTICS, INC.

Jul 9, 2026·Jul 9, 2026

1 txn

ORBIMED ADVISORS LLC

→SIONNA THERAPEUTICS, INC.

Jul 9, 2026·Jul 9, 2026

1 txn

THOMPSON PETER A.

→SIONNA THERAPEUTICS, INC.

Jul 2, 2026·Jul 2, 2026

1 txn

ORBIMED ADVISORS LLC

→SIONNA THERAPEUTICS, INC.

Jul 2, 2026·Jul 2, 2026

1 txn

STELZER LAURIE

→SIONNA THERAPEUTICS, INC.

Jun 18, 2026·Jun 18, 2026

1 txn

VINEY JOANNE L.

→SIONNA THERAPEUTICS, INC.

Jun 18, 2026·Jun 18, 2026

1 txn

THOMPSON PETER A.

→SIONNA THERAPEUTICS, INC.

Jun 18, 2026·Jun 18, 2026

1 txn

RA CAPITAL MANAGEMENT, L.P.

→SIONNA THERAPEUTICS, INC.

Jun 18, 2026·Jun 18, 2026

1 txn

RUDDY MARCELLA K.

→SIONNA THERAPEUTICS, INC.

Jun 18, 2026·Jun 18, 2026

1 txn

RESNICK JOSHUA

→SIONNA THERAPEUTICS, INC.

Jun 18, 2026·Jun 18, 2026

1 txn

FLEMING HAROLD EDWARD

→SIONNA THERAPEUTICS, INC.

Jun 18, 2026·Jun 18, 2026

1 txn

CLANCY PAUL J

→SIONNA THERAPEUTICS, INC.

Jun 18, 2026·Jun 18, 2026

1 txn

BOOTH BRUCE

→SIONNA THERAPEUTICS, INC.

Jun 18, 2026·Jun 18, 2026

1 txn

SNYDER MARK HOWARD

→HALOZYME THERAPEUTICS, INC.

Jun 15, 2026·Jun 15, 2026

3 txn

BARTRAM RICHARD

144

→MBX BIOSCIENCES, INC.

Jun 10, 2026·Jun 10, 2026

-10

BARTRAM RICHARD

144

→MBX BIOSCIENCES, INC.

Jun 9, 2026·Jun 9, 2026

-9

Page 1 of 30 · 748 total

Filer	Form	Target	Filed	Activity
RADOVICH PETERCIK · 1650131	4 Trade	MBX BIOSCIENCES, INC.CIK · 1776111	Oct 22, 2026 5d ago	1txn
RA CAPITAL MANAGEMENT, L.P.CIK · 1346824	4 Trade	SIONNA THERAPEUTICS, INC.CIK · 2036042	Sep 21, 2026 Sep 21, 2026	5txn
RIDLOFF ELENACIK · 1772518	4 Trade	SIONNA THERAPEUTICS, INC.CIK · 2036042	Sep 18, 2026 Sep 18, 2026	4txn
CLOONAN MICHAELCIK · 1704336	4 Trade	SIONNA THERAPEUTICS, INC.CIK · 2036042	Sep 18, 2026 Sep 18, 2026	4txn
RA CAPITAL HEALTHCARE FUND LPCIK · 1315082	144 Sale	SIONNA THERAPEUTICS, INC.CIK · 2036042	Sep 17, 2026 Sep 17, 2026	—
POSARD MATTHEW L.CIK · 1543792	4 Trade	HALOZYME THERAPEUTICS, INC.CIK · 1159036	Sep 17, 2026 Sep 17, 2026	4txn
HAWRYLUK P. KENTCIK · 1673991	144 Sale	MBX BIOSCIENCES, INC.CIK · 1776111	Aug 17, 2026 Aug 17, 2026	—
SMITHER JOHN WCIK · 1559583	4 Trade	MBX BIOSCIENCES, INC.CIK · 1776111	Aug 4, 2026 Aug 4, 2026	2txn
HOERTER STEVEN L.CIK · 1533451	4 Trade	MBX BIOSCIENCES, INC.CIK · 1776111	Aug 4, 2026 Aug 4, 2026	3txn
THOMPSON PETER A.CIK · 1357522	4 Trade	SIONNA THERAPEUTICS, INC.CIK · 2036042	Jul 9, 2026 Jul 9, 2026	1txn
ORBIMED ADVISORS LLCCIK · 1055951	4 Trade	SIONNA THERAPEUTICS, INC.CIK · 2036042	Jul 9, 2026 Jul 9, 2026	1txn
THOMPSON PETER A.CIK · 1357522	4 Trade	SIONNA THERAPEUTICS, INC.CIK · 2036042	Jul 2, 2026 Jul 2, 2026	1txn
ORBIMED ADVISORS LLCCIK · 1055951	4 Trade	SIONNA THERAPEUTICS, INC.CIK · 2036042	Jul 2, 2026 Jul 2, 2026	1txn
STELZER LAURIECIK · 1644348	4 Trade	SIONNA THERAPEUTICS, INC.CIK · 2036042	Jun 18, 2026 Jun 18, 2026	1txn
VINEY JOANNE L.CIK · 1816744	4 Trade	SIONNA THERAPEUTICS, INC.CIK · 2036042	Jun 18, 2026 Jun 18, 2026	1txn
THOMPSON PETER A.CIK · 1357522	4 Trade	SIONNA THERAPEUTICS, INC.CIK · 2036042	Jun 18, 2026 Jun 18, 2026	1txn
RA CAPITAL MANAGEMENT, L.P.CIK · 1346824	4 Trade	SIONNA THERAPEUTICS, INC.CIK · 2036042	Jun 18, 2026 Jun 18, 2026	1txn
RUDDY MARCELLA K.CIK · 2023849	4 Trade	SIONNA THERAPEUTICS, INC.CIK · 2036042	Jun 18, 2026 Jun 18, 2026	1txn
RESNICK JOSHUACIK · 1690959	4 Trade	SIONNA THERAPEUTICS, INC.CIK · 2036042	Jun 18, 2026 Jun 18, 2026	1txn
FLEMING HAROLD EDWARDCIK · 1857250	4 Trade	SIONNA THERAPEUTICS, INC.CIK · 2036042	Jun 18, 2026 Jun 18, 2026	1txn
CLANCY PAUL JCIK · 1409601	4 Trade	SIONNA THERAPEUTICS, INC.CIK · 2036042	Jun 18, 2026 Jun 18, 2026	1txn
BOOTH BRUCECIK · 1451612	4 Trade	SIONNA THERAPEUTICS, INC.CIK · 2036042	Jun 18, 2026 Jun 18, 2026	1txn
SNYDER MARK HOWARDCIK · 1902866	4 Trade	HALOZYME THERAPEUTICS, INC.CIK · 1159036	Jun 15, 2026 Jun 15, 2026	3txn
BARTRAM RICHARDCIK · 1723729	144 Sale	MBX BIOSCIENCES, INC.CIK · 1776111	Jun 10, 2026 Jun 10, 2026	—
BARTRAM RICHARDCIK · 1723729	144 Sale	MBX BIOSCIENCES, INC.CIK · 1776111	Jun 9, 2026 Jun 9, 2026	—

Page 1 of 30 · 748 total