GENERATION BIO CO

CUSIP: 37148K100 Class: Common Stock

Darwin Global Management, Ltd.'s Holding History (CIK: 0001839209)

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

Q2 2021
Shares 10,738 Value ($000) $289 Avg Close — Range —
Q1 2021
Shares 219,358 Value ($000) $6,243 Avg Close — Range —
Q4 2020
Shares 197,191 Value ($000) $5,590 Avg Close — Range —