GRITSTONE BIO INC

CUSIP: 39868T105 Class: Common Stock

Casdin Capital, LLC's Holding History (CIK: 0001534261)

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

Q2 2020
Shares 1,850,373 Value ($000) $12,286 Avg Close — Range —
Q1 2020
Shares 2,270,000 Value ($000) $13,211 Avg Close — Range —
Q4 2019
Shares 2,160,000 Value ($000) $19,375 Avg Close — Range —
Q3 2019
Shares 1,770,000 Value ($000) $15,283,950 Avg Close — Range —
Q2 2019
Shares 1,770,000 Value ($000) $19,717,800 Avg Close — Range —
Q1 2019
Shares 1,120,586 Value ($000) $14,904 Avg Close — Range —
Q4 2018
Shares 720,586 Value ($000) $11,133 Avg Close — Range —
Q3 2018
Shares 720,586 Value ($000) $10,261 Avg Close — Range —