SURFACE ONCOLOGY INC

CUSIP: 86877M209 Class: COM

Vontobel Holding Ltd.'s Holding History (CIK: 0001588340)

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

Q4 2021
Shares 15,000 Value ($000) $72 Avg Close — Range —
Q3 2021
Shares 30,014 Value ($000) $227 Avg Close — Range —
Q2 2021
Shares 30,014 Value ($000) $224 Avg Close — Range —
Q1 2021
Shares 30,014 Value ($000) $234 Avg Close — Range —
Q4 2020
Shares 30,014 Value ($000) $277 Avg Close — Range —