CULLINAN ONCOLOGY INC

Ticker: CGEM CUSIP: 230031106 Class: Common Stock

Mariner, LLC's Holding History (CIK: 0001373442)

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

Q4 2025

Shares 49,131 Value ($000) $508 Avg Close $9.02 Range $5.68 - $13.33

Q3 2025

Shares 28,151 Value ($000) $167 Avg Close $7.32 Range $5.86 - $8.70

Q2 2025

Shares 16,490 Value ($000) $124 Avg Close $8.04 Range $6.85 - $9.36

Q1 2025

Shares 12,167 Value ($000) $92 Avg Close $9.60 Range $7.30 - $12.98

Q4 2024

Shares 34,901 Value ($000) $425 Avg Close $14.37 Range $10.44 - $17.98

Q3 2024

Shares 15,490 Value ($000) $259 Avg Close $17.74 Range $15.67 - $21.01

Q2 2024

Shares 16,354 Value ($000) $285 Avg Close $21.29 Range $15.20 - $30.19

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	49,131	$508	$9.02	$5.68 - $13.33
Q3 2025	28,151	$167	$7.32	$5.86 - $8.70
Q2 2025	16,490	$124	$8.04	$6.85 - $9.36
Q1 2025	12,167	$92	$9.60	$7.30 - $12.98
Q4 2024	34,901	$425	$14.37	$10.44 - $17.98
Q3 2024	15,490	$259	$17.74	$15.67 - $21.01
Q2 2024	16,354	$285	$21.29	$15.20 - $30.19