SURFACE ONCOLOGY INC

CUSIP: 86877M209 Class: COM

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q2 2023
Shares 20,332 Value ($000) $0 Avg Close — Range —
Q1 2023
Shares 27,440 Value ($000) $0 Avg Close — Range —
Q4 2022
Shares 3,916 Value ($000) $0 Avg Close — Range —
Q3 2022
Shares 3,931 Value ($000) $4 Avg Close — Range —
Q1 2022
Shares 2,477 Value ($000) $7 Avg Close — Range —
Q4 2021
Shares 3,989 Value ($000) $19 Avg Close — Range —
Q3 2021
Shares 8,102 Value ($000) $59 Avg Close — Range —
Q2 2021
Shares 8,302 Value ($000) $61 Avg Close — Range —
Q1 2021
Shares 15,274 Value ($000) $119 Avg Close — Range —
Q4 2020
Shares 15,901 Value ($000) $0 Avg Close — Range —
Q3 2020
Shares 5,157 Value ($000) $0 Avg Close — Range —