GRITSTONE BIO INC

CUSIP: 39868T105 Class: Common Stock

DAFNA Capital Management LLC's Holding History (CIK: 0001389933)

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

Q2 2020
Shares 50,000 Value ($000) $332 Avg Close — Range —
Q1 2020
Shares 50,000 Value ($000) $291 Avg Close — Range —
Q4 2019
Shares 50,000 Value ($000) $449 Avg Close — Range —
Q3 2019
Shares 50,000 Value ($000) $432 Avg Close — Range —
Q2 2019
Shares 50,000 Value ($000) $557 Avg Close — Range —