CULLINAN ONCOLOGY INC

Ticker: CGEM CUSIP: 230031106 Class: Common Stock

EcoR1 Capital, LLC's Holding History (CIK: 0001587114)

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

Q1 2023

Shares 246,410 Value ($000) $2,521 Avg Close $11.02 Range $9.86 - $11.97

Q4 2022

Shares 1,035,038 Value ($000) $10,920 Avg Close $12.15 Range $9.65 - $13.98

Q3 2022

Shares 1,143,218 Value ($000) $14,656 Avg Close $13.47 Range $11.36 - $15.89

Q2 2022

Shares 1,169,889 Value ($000) $14,998 Avg Close $11.34 Range $7.30 - $13.79

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2023	246,410	$2,521	$11.02	$9.86 - $11.97
Q4 2022	1,035,038	$10,920	$12.15	$9.65 - $13.98
Q3 2022	1,143,218	$14,656	$13.47	$11.36 - $15.89
Q2 2022	1,169,889	$14,998	$11.34	$7.30 - $13.79