SURFACE ONCOLOGY INC

CUSIP: 86877M209 Class: COM

EAGLE ROCK INVESTMENT COMPANY, LLC's Holding History (CIK: 0001911407)

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

Q2 2023
Shares 42,000 Value ($000) $40 Avg Close — Range —
Q1 2023
Shares 42,000 Value ($000) $29 Avg Close — Range —
Q4 2022
Shares 42,000 Value ($000) $41 Avg Close — Range —
Q3 2022
Shares 22,000 Value ($000) $23 Avg Close — Range —
Q2 2022
Shares 44,000 Value ($000) $72 Avg Close — Range —
Q1 2022
Shares 22,000 Value ($000) $65 Avg Close — Range —
Q4 2021
Shares 22,000 Value ($000) $105 Avg Close — Range —