GENERATION BIO CO

CUSIP: 37148K100 Class: Common Stock

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

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

Q1 2022
Shares 1,324,275 Value ($000) $9,720 Avg Close — Range —
Q4 2021
Shares 1,324,275 Value ($000) $9,376 Avg Close — Range —
Q3 2021
Shares 1,324,275 Value ($000) $33,200 Avg Close — Range —
Q2 2021
Shares 1,611,214 Value ($000) $43,342 Avg Close — Range —
Q1 2021
Shares 1,611,214 Value ($000) $45,855 Avg Close — Range —
Q4 2020
Shares 1,611,214 Value ($000) $45,678 Avg Close — Range —
Q3 2020
Shares 1,611,214 Value ($000) $49,803 Avg Close — Range —
Q2 2020
Shares 1,611,214 Value ($000) $33,835 Avg Close — Range —