GRITSTONE BIO INC

CUSIP: 39868T105 Class: Common Stock

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

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

Q1 2023
Shares 70,000 Value ($000) $195 Avg Close — Range —
Q4 2022
Shares 70,000 Value ($000) $242 Avg Close — Range —
Q3 2022
Shares 50,000 Value ($000) $129 Avg Close — Range —