SURFACE ONCOLOGY INC

CUSIP: 86877M209 Class: COM

TANG CAPITAL MANAGEMENT LLC's Holding History (CIK: 0001232621)

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

Q1 2023
Shares 1,300,000 Value ($000) $908 Avg Close — Range —
Q4 2022
Shares 429,647 Value ($000) $352 Avg Close — Range —