GRITSTONE BIO INC

CUSIP: 39868T105 Class: Common Stock

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q4 2024
Shares 44,228 Value ($000) $0 Avg Close — Range —
Q3 2024
Shares 17,116 Value ($000) $0 Avg Close — Range —
Q2 2024
Shares 26,292 Value ($000) $0 Avg Close — Range —
Q4 2023
Shares 23,172 Value ($000) $0 Avg Close — Range —
Q4 2022
Shares 7,308 Value ($000) $0 Avg Close — Range —
Q3 2022
Shares 21,560 Value ($000) $55 Avg Close — Range —
Q1 2022
Shares 39,623 Value ($000) $163 Avg Close — Range —
Q4 2021
Shares 59,327 Value ($000) $762 Avg Close — Range —