CULLINAN ONCOLOGY INC

Ticker: CGEM CUSIP: 230031106 Class: Common Stock

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

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

Q1 2025

Shares 389 Value ($000) $3 Avg Close $9.60 Range $7.30 - $12.98

Q4 2024

Shares 16 Value ($000) $0 Avg Close $14.37 Range $10.44 - $17.98

Q2 2024

Shares 14 Value ($000) $0 Avg Close $21.29 Range $15.20 - $30.19

Q1 2024

Shares 14 Value ($000) $0 Avg Close $15.45 Range $10.00 - $19.68

Q3 2023

Shares 43,182 Value ($000) $391 Avg Close $10.41 Range $9.02 - $12.18

Q1 2022

Shares 100 Value ($000) $1 Avg Close $13.51 Range $10.42 - $18.46

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2025	389	$3	$9.60	$7.30 - $12.98
Q4 2024	16	$0	$14.37	$10.44 - $17.98
Q2 2024	14	$0	$21.29	$15.20 - $30.19
Q1 2024	14	$0	$15.45	$10.00 - $19.68
Q3 2023	43,182	$391	$10.41	$9.02 - $12.18
Q1 2022	100	$1	$13.51	$10.42 - $18.46