JADE BIOSCIENCES, INC.

PublicCIK: 1798749

JBIONASDAQ

Location

WALTHAM, MA

ATLAS VENTURE FUND XII, L.P.

144

→DISC MEDICINE, INC.

Sep 3, 2026·Sep 3, 2026

ATLAS VENTURE FUND XII, L.P.

144

→DISC MEDICINE, INC.

Sep 2, 2026·Sep 2, 2026

KLEIN LAWRENCE OTTO

→ORUKA THERAPEUTICS, INC.

Sep 1, 2026·Sep 1, 2026

5 txn

KLEIN LAWRENCE OTTO

144

→ORUKA THERAPEUTICS, INC.

Sep 1, 2026·Sep 1, 2026

-2

RA CAPITAL MANAGEMENT, L.P.

13F-HR

Holdings

Aug 14, 2026·Aug 14, 2026

CORMORANT ASSET MANAGEMENT, LP

13F-HR

Holdings

Aug 14, 2026·Aug 14, 2026

FAIRMOUNT FUNDS MANAGEMENT LLC

13F-HR

Holdings

Aug 14, 2026·Aug 14, 2026

FAIRMOUNT FUNDS MANAGEMENT LLC

→CRESCENT BIOPHARMA, INC.

Jul 20, 2026·Jul 20, 2026

2 txn

FAIRMOUNT FUNDS MANAGEMENT LLC

144

→ORUKA THERAPEUTICS, INC.

Jul 2, 2026·Jul 2, 2026

CAIN CHRISTOPHER W.

→VIRIDIAN THERAPEUTICS, INC.\DE

Jul 2, 2026·Jul 2, 2026

1 txn

KISELAK TOMAS

→VIRIDIAN THERAPEUTICS, INC.\DE

Jul 2, 2026·Jul 2, 2026

1 txn

EISNER MARK

→JADE BIOSCIENCES, INC.

Jun 27, 2026·Jun 27, 2026

1 txn

FAIRMOUNT FUNDS MANAGEMENT LLC

144

→SPYRE THERAPEUTICS, INC.

Jun 24, 2026·Jun 24, 2026

FAIRMOUNT FUNDS MANAGEMENT LLC

→SPYRE THERAPEUTICS, INC.

Jun 24, 2026·Jun 24, 2026

6 txn

EISNER MARK

→ZURA BIO LTD

Jun 22, 2026·Jun 22, 2026

1 txn

RA CAPITAL MANAGEMENT, L.P.

→PEPGEN INC.

Jun 22, 2026·Jun 22, 2026

1 txn

DOBMEIER ERIC

→STRUCTURE THERAPEUTICS INC.

Jun 18, 2026·Jun 18, 2026

1 txn

DORVAL ALLISON

→PUMA BIOTECHNOLOGY, INC.

Jun 16, 2026·Jun 16, 2026

2 txn

GRAYZEL DAVID S.

→Q32 BIO INC.

Jun 16, 2026·Jun 16, 2026

1 txn

KLEIN LAWRENCE OTTO

→ORUKA THERAPEUTICS, INC.

Jun 15, 2026·Jun 15, 2026

1 txn

DORVAL ALLISON

144

→PUMA BIOTECHNOLOGY, INC.

Jun 12, 2026·Jun 12, 2026

CAIN CHRISTOPHER W.

→JADE BIOSCIENCES, INC.

Jun 11, 2026·Jun 11, 2026

1 txn

DOBMEIER ERIC

→JADE BIOSCIENCES, INC.

Jun 11, 2026·Jun 11, 2026

1 txn

KLEIN LAWRENCE OTTO

→JADE BIOSCIENCES, INC.

Jun 11, 2026·Jun 11, 2026

1 txn

CAIN CHRISTOPHER W.

→COGENT BIOSCIENCES, INC.

Jun 11, 2026·Jun 11, 2026

1 txn

Page 1 of 37 · 925 total

Filer	Form	Target	Filed	Activity
ATLAS VENTURE FUND XII, L.P.CIK · 1812049	144 Sale	DISC MEDICINE, INC.CIK · 1816736	Sep 3, 2026 Sep 3, 2026	—
ATLAS VENTURE FUND XII, L.P.CIK · 1812049	144 Sale	DISC MEDICINE, INC.CIK · 1816736	Sep 2, 2026 Sep 2, 2026	—
KLEIN LAWRENCE OTTOCIK · 1762583	4 Trade	ORUKA THERAPEUTICS, INC.CIK · 907654	Sep 1, 2026 Sep 1, 2026	5txn
KLEIN LAWRENCE OTTOCIK · 1762583	144 Sale	ORUKA THERAPEUTICS, INC.CIK · 907654	Sep 1, 2026 Sep 1, 2026	—
RA CAPITAL MANAGEMENT, L.P.CIK · 1346824	13F-HR Holdings	—	Aug 14, 2026 Aug 14, 2026	—
CORMORANT ASSET MANAGEMENT, LPCIK · 1583977	13F-HR Holdings	—	Aug 14, 2026 Aug 14, 2026	—
FAIRMOUNT FUNDS MANAGEMENT LLCCIK · 1802528	13F-HR Holdings	—	Aug 14, 2026 Aug 14, 2026	—
FAIRMOUNT FUNDS MANAGEMENT LLCCIK · 1802528	4 Trade	CRESCENT BIOPHARMA, INC.CIK · 1253689	Jul 20, 2026 Jul 20, 2026	2txn
FAIRMOUNT FUNDS MANAGEMENT LLCCIK · 1802528	144 Sale	ORUKA THERAPEUTICS, INC.CIK · 907654	Jul 2, 2026 Jul 2, 2026	—
CAIN CHRISTOPHER W.CIK · 1817733	4 Trade	VIRIDIAN THERAPEUTICS, INC.\DECIK · 1590750	Jul 2, 2026 Jul 2, 2026	1txn
KISELAK TOMASCIK · 1830177	4 Trade	VIRIDIAN THERAPEUTICS, INC.\DECIK · 1590750	Jul 2, 2026 Jul 2, 2026	1txn
EISNER MARKCIK · 1834161	4 Trade	JADE BIOSCIENCES, INC.CIK · 1798749	Jun 27, 2026 Jun 27, 2026	1txn
FAIRMOUNT FUNDS MANAGEMENT LLCCIK · 1802528	144 Sale	SPYRE THERAPEUTICS, INC.CIK · 1636282	Jun 24, 2026 Jun 24, 2026	—
FAIRMOUNT FUNDS MANAGEMENT LLCCIK · 1802528	4 Trade	SPYRE THERAPEUTICS, INC.CIK · 1636282	Jun 24, 2026 Jun 24, 2026	6txn
EISNER MARKCIK · 1834161	4 Trade	ZURA BIO LTDCIK · 1855644	Jun 22, 2026 Jun 22, 2026	1txn
RA CAPITAL MANAGEMENT, L.P.CIK · 1346824	4 Trade	PEPGEN INC.CIK · 1835597	Jun 22, 2026 Jun 22, 2026	1txn
DOBMEIER ERICCIK · 1202785	4 Trade	STRUCTURE THERAPEUTICS INC.CIK · 1888886	Jun 18, 2026 Jun 18, 2026	1txn
DORVAL ALLISONCIK · 1625110	4 Trade	PUMA BIOTECHNOLOGY, INC.CIK · 1401667	Jun 16, 2026 Jun 16, 2026	2txn
GRAYZEL DAVID S.CIK · 1732786	4 Trade	Q32 BIO INC.CIK · 1661998	Jun 16, 2026 Jun 16, 2026	1txn
KLEIN LAWRENCE OTTOCIK · 1762583	4 Trade	ORUKA THERAPEUTICS, INC.CIK · 907654	Jun 15, 2026 Jun 15, 2026	1txn
DORVAL ALLISONCIK · 1625110	144 Sale	PUMA BIOTECHNOLOGY, INC.CIK · 1401667	Jun 12, 2026 Jun 12, 2026	—
CAIN CHRISTOPHER W.CIK · 1817733	4 Trade	JADE BIOSCIENCES, INC.CIK · 1798749	Jun 11, 2026 Jun 11, 2026	1txn
DOBMEIER ERICCIK · 1202785	4 Trade	JADE BIOSCIENCES, INC.CIK · 1798749	Jun 11, 2026 Jun 11, 2026	1txn
KLEIN LAWRENCE OTTOCIK · 1762583	4 Trade	JADE BIOSCIENCES, INC.CIK · 1798749	Jun 11, 2026 Jun 11, 2026	1txn
CAIN CHRISTOPHER W.CIK · 1817733	4 Trade	COGENT BIOSCIENCES, INC.CIK · 1622229	Jun 11, 2026 Jun 11, 2026	1txn

Page 1 of 37 · 925 total