SELLAS LIFE SCIENCES GROUP I

Ticker: SLS CUSIP: 81642T209 Class: COM NEW

TWO SIGMA SECURITIES, LLC's Holding History (CIK: 0001450144)

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

Q4 2025

Shares 57,105 Value ($000) $215 Avg Close $1.94 Range $1.39 - $3.99

Q1 2025

Shares 12,969 Value ($000) $14 Avg Close $1.19 Range $0.85 - $1.84

Q4 2023

Shares 15,304 Value ($000) $16 Avg Close $1.08 Range $0.81 - $1.68

Q4 2022

Shares 16,076 Value ($000) $38 Avg Close $2.80 Range $1.77 - $5.58

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	57,105	$215	$1.94	$1.39 - $3.99
Q1 2025	12,969	$14	$1.19	$0.85 - $1.84
Q4 2023	15,304	$16	$1.08	$0.81 - $1.68
Q4 2022	16,076	$38	$2.80	$1.77 - $5.58