SURFACE ONCOLOGY INC

CUSIP: 86877M209 Class: COM

SG Americas Securities, LLC's Holding History (CIK: 0001313360)

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

Q1 2022
Shares 10,043 Value ($000) $30 Avg Close — Range —
Q4 2021
Shares 15,073 Value ($000) $72 Avg Close — Range —
Q3 2021
Shares 29,036 Value ($000) $220 Avg Close — Range —