SURFACE ONCOLOGY INC

CUSIP: 86877M209 Class: COM

PRINCIPAL FINANCIAL GROUP INC's Holding History (CIK: 0001126328)

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

Q1 2022
Shares 44,105 Value ($000) $130 Avg Close — Range —
Q4 2021
Shares 64,157 Value ($000) $307 Avg Close — Range —
Q3 2021
Shares 159,042 Value ($000) $1,204 Avg Close — Range —
Q2 2021
Shares 161,481 Value ($000) $1,205 Avg Close — Range —