SPHERA FUNDS MANAGEMENT LTD.

PrivateCIK: 1496201

Location

TEL AVIV, L3

13F-HR

Holdings

Aug 14, 2026·Aug 14, 2026

EVNIN LUKE

→WEREWOLF THERAPEUTICS, INC.

Jul 8, 2026·Jul 8, 2026

2 txn

MPM ONCOLOGY INNOVATIONS FUND LP

144

→WEREWOLF THERAPEUTICS, INC.

Jul 6, 2026·Jul 6, 2026

MPM ASSET MANAGEMENT INVESTORS BV2014 LLC

144

→WEREWOLF THERAPEUTICS, INC.

Jul 6, 2026·Jul 6, 2026

MPM ASSET MANAGEMENT LLC

144

→WEREWOLF THERAPEUTICS, INC.

Jul 6, 2026·Jul 6, 2026

UBS ONCOLOGY IMPACT FUND L.P.

144

→WEREWOLF THERAPEUTICS, INC.

Jul 6, 2026·Jul 6, 2026

MPM BIOVENTURES 2014 (B), L.P.

144

→WEREWOLF THERAPEUTICS, INC.

Jul 6, 2026·Jul 6, 2026

MPM BIOVENTURES 2014, L.P.

144

→WEREWOLF THERAPEUTICS, INC.

Jul 6, 2026·Jul 6, 2026

EVNIN LUKE

→WEREWOLF THERAPEUTICS, INC.

Jun 29, 2026·Jun 29, 2026

1 txn

MPM ONCOLOGY INNOVATIONS FUND LP

144

→WEREWOLF THERAPEUTICS, INC.

Jun 29, 2026·Jun 29, 2026

MPM ASSET MANAGEMENT INVESTORS BV2014 LLC

144

→WEREWOLF THERAPEUTICS, INC.

Jun 29, 2026·Jun 29, 2026

MPM ASSET MANAGEMENT LLC

144

→WEREWOLF THERAPEUTICS, INC.

Jun 29, 2026·Jun 29, 2026

UBS ONCOLOGY IMPACT FUND L.P.

144

→WEREWOLF THERAPEUTICS, INC.

Jun 29, 2026·Jun 29, 2026

MPM BIOVENTURES 2014 (B), L.P.

144

→WEREWOLF THERAPEUTICS, INC.

Jun 29, 2026·Jun 29, 2026

MPM BIOVENTURES 2014, L.P.

144

→WEREWOLF THERAPEUTICS, INC.

Jun 29, 2026·Jun 29, 2026

RA CAPITAL MANAGEMENT, L.P.

→WEREWOLF THERAPEUTICS, INC.

Jun 22, 2026·Jun 22, 2026

2 txn

RA CAPITAL MANAGEMENT, L.P.

→WEREWOLF THERAPEUTICS, INC.

Jun 16, 2026·Jun 16, 2026

6 txn

RA CAPITAL MANAGEMENT, L.P.

→WEREWOLF THERAPEUTICS, INC.

Jun 12, 2026·Jun 12, 2026

6 txn

EVNIN LUKE

→WEREWOLF THERAPEUTICS, INC.

Jun 10, 2026·Jun 10, 2026

1 txn

EVNIN LUKE

→WEREWOLF THERAPEUTICS, INC.

Jun 8, 2026·Jun 8, 2026

3 txn

EVNIN LUKE

→WEREWOLF THERAPEUTICS, INC.

Jun 3, 2026·Jun 3, 2026

3 txn

EVNIN LUKE

→WEREWOLF THERAPEUTICS, INC.

May 29, 2026·May 29, 2026

3 txn

MPM BIOVENTURES 2014, L.P.

144

→WEREWOLF THERAPEUTICS, INC.

May 28, 2026·May 28, 2026

MPM BIOVENTURES 2014 (B), L.P.

144

→WEREWOLF THERAPEUTICS, INC.

May 28, 2026·May 28, 2026

MPM ONCOLOGY INNOVATIONS FUND LP

144

→WEREWOLF THERAPEUTICS, INC.

May 28, 2026·May 28, 2026

Page 1 of 3 · 73 total

Filer	Form	Target	Filed	Activity
SPHERA FUNDS MANAGEMENT LTD.CIK · 1496201	13F-HR Holdings	—	Aug 14, 2026 Aug 14, 2026	—
EVNIN LUKECIK · 1134657	4 Trade	WEREWOLF THERAPEUTICS, INC.CIK · 1785530	Jul 8, 2026 Jul 8, 2026	2txn
MPM ONCOLOGY INNOVATIONS FUND LPCIK · 1719960	144 Sale	WEREWOLF THERAPEUTICS, INC.CIK · 1785530	Jul 6, 2026 Jul 6, 2026	—
MPM ASSET MANAGEMENT INVESTORS BV2014 LLCCIK · 1609495	144 Sale	WEREWOLF THERAPEUTICS, INC.CIK · 1785530	Jul 6, 2026 Jul 6, 2026	—
MPM ASSET MANAGEMENT LLCCIK · 1263048	144 Sale	WEREWOLF THERAPEUTICS, INC.CIK · 1785530	Jul 6, 2026 Jul 6, 2026	—
UBS ONCOLOGY IMPACT FUND L.P.CIK · 1691428	144 Sale	WEREWOLF THERAPEUTICS, INC.CIK · 1785530	Jul 6, 2026 Jul 6, 2026	—
MPM BIOVENTURES 2014 (B), L.P.CIK · 1609493	144 Sale	WEREWOLF THERAPEUTICS, INC.CIK · 1785530	Jul 6, 2026 Jul 6, 2026	—
MPM BIOVENTURES 2014, L.P.CIK · 1609492	144 Sale	WEREWOLF THERAPEUTICS, INC.CIK · 1785530	Jul 6, 2026 Jul 6, 2026	—
EVNIN LUKECIK · 1134657	4 Trade	WEREWOLF THERAPEUTICS, INC.CIK · 1785530	Jun 29, 2026 Jun 29, 2026	1txn
MPM ONCOLOGY INNOVATIONS FUND LPCIK · 1719960	144 Sale	WEREWOLF THERAPEUTICS, INC.CIK · 1785530	Jun 29, 2026 Jun 29, 2026	—
MPM ASSET MANAGEMENT INVESTORS BV2014 LLCCIK · 1609495	144 Sale	WEREWOLF THERAPEUTICS, INC.CIK · 1785530	Jun 29, 2026 Jun 29, 2026	—
MPM ASSET MANAGEMENT LLCCIK · 1263048	144 Sale	WEREWOLF THERAPEUTICS, INC.CIK · 1785530	Jun 29, 2026 Jun 29, 2026	—
UBS ONCOLOGY IMPACT FUND L.P.CIK · 1691428	144 Sale	WEREWOLF THERAPEUTICS, INC.CIK · 1785530	Jun 29, 2026 Jun 29, 2026	—
MPM BIOVENTURES 2014 (B), L.P.CIK · 1609493	144 Sale	WEREWOLF THERAPEUTICS, INC.CIK · 1785530	Jun 29, 2026 Jun 29, 2026	—
MPM BIOVENTURES 2014, L.P.CIK · 1609492	144 Sale	WEREWOLF THERAPEUTICS, INC.CIK · 1785530	Jun 29, 2026 Jun 29, 2026	—
RA CAPITAL MANAGEMENT, L.P.CIK · 1346824	4 Trade	WEREWOLF THERAPEUTICS, INC.CIK · 1785530	Jun 22, 2026 Jun 22, 2026	2txn
RA CAPITAL MANAGEMENT, L.P.CIK · 1346824	4 Trade	WEREWOLF THERAPEUTICS, INC.CIK · 1785530	Jun 16, 2026 Jun 16, 2026	6txn
RA CAPITAL MANAGEMENT, L.P.CIK · 1346824	4 Trade	WEREWOLF THERAPEUTICS, INC.CIK · 1785530	Jun 12, 2026 Jun 12, 2026	6txn
EVNIN LUKECIK · 1134657	4 Trade	WEREWOLF THERAPEUTICS, INC.CIK · 1785530	Jun 10, 2026 Jun 10, 2026	1txn
EVNIN LUKECIK · 1134657	4 Trade	WEREWOLF THERAPEUTICS, INC.CIK · 1785530	Jun 8, 2026 Jun 8, 2026	3txn
EVNIN LUKECIK · 1134657	4 Trade	WEREWOLF THERAPEUTICS, INC.CIK · 1785530	Jun 3, 2026 Jun 3, 2026	3txn
EVNIN LUKECIK · 1134657	4 Trade	WEREWOLF THERAPEUTICS, INC.CIK · 1785530	May 29, 2026 May 29, 2026	3txn
MPM BIOVENTURES 2014, L.P.CIK · 1609492	144 Sale	WEREWOLF THERAPEUTICS, INC.CIK · 1785530	May 28, 2026 May 28, 2026	—
MPM BIOVENTURES 2014 (B), L.P.CIK · 1609493	144 Sale	WEREWOLF THERAPEUTICS, INC.CIK · 1785530	May 28, 2026 May 28, 2026	—
MPM ONCOLOGY INNOVATIONS FUND LPCIK · 1719960	144 Sale	WEREWOLF THERAPEUTICS, INC.CIK · 1785530	May 28, 2026 May 28, 2026	—

Page 1 of 3 · 73 total