SELLAS LIFE SCIENCES GROUP I

Ticker: SLS CUSIP: 81642T209 Class: COM NEW

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

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

Q4 2023
Shares 186,355 Value ($000) $198 Avg Close $1.08 Range $0.81 - $1.68
Q4 2021
Shares 5,578 Value ($000) $31 Avg Close $7.57 Range $5.20 - $9.78
Q3 2021
Shares 50 Value ($000) $0 Avg Close $9.28 Range $7.95 - $10.82
Q1 2021
Shares 27,237 Value ($000) $233 Avg Close $8.18 Range $5.40 - $13.15
Q4 2020
Shares 2 Value ($000) $0 Avg Close $4.00 Range $2.33 - $19.38
Q3 2020
Shares 2 Value ($000) $0 Avg Close $2.74 Range $1.76 - $4.43
Q2 2020
Shares 2 Value ($000) $0 Avg Close $2.71 Range $1.46 - $3.97
Q1 2020
Shares 2 Value ($000) $0 Avg Close $2.57 Range $1.60 - $4.31
Q4 2019
Shares 2 Value ($000) $0 Avg Close $5.40 Range $3.54 - $11.00