GENERATION BIO CO

CUSIP: 37148K100 Class: Common Stock

DEERFIELD MANAGEMENT COMPANY, L.P.'s Holding History (CIK: 0001009258)

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

Q1 2021
Shares 897,779 Value ($000) $25,551 Avg Close — Range —
Q4 2020
Shares 961,215 Value ($000) $27,250 Avg Close — Range —
Q3 2020
Shares 961,215 Value ($000) $29,711 Avg Close — Range —
Q2 2020
Shares 1,186,215 Value ($000) $24,911 Avg Close — Range —