WEREWOLF THERAPEUTICS INC

Ticker: HOWL CUSIP: 95075A107 Class: Common Stock

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 1,871 Value ($000) $1 Avg Close $1.22 Range $0.56 - $2.15

Q3 2025

Shares 2,671 Value ($000) $5 Avg Close $1.37 Range $1.02 - $2.38

Q4 2023

Shares 100 Value ($000) $0 Avg Close $2.55 Range $1.57 - $4.29

Q3 2022

Shares 15 Value ($000) $0 Avg Close $5.43 Range $3.94 - $7.51

Q2 2022

Shares 15 Value ($000) $0 Avg Close $4.56 Range $3.42 - $7.55

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,871	$1	$1.22	$0.56 - $2.15
Q3 2025	2,671	$5	$1.37	$1.02 - $2.38
Q4 2023	100	$0	$2.55	$1.57 - $4.29
Q3 2022	15	$0	$5.43	$3.94 - $7.51
Q2 2022	15	$0	$4.56	$3.42 - $7.55