GENERATION BIO CO

CUSIP: 37148K100 Class: Common Stock

EcoR1 Capital, LLC's Holding History (CIK: 0001587114)

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

Q4 2024
Shares 2,046,867 Value ($000) $2,170 Avg Close — Range —
Q3 2024
Shares 2,046,867 Value ($000) $5,056 Avg Close — Range —
Q2 2024
Shares 2,046,867 Value ($000) $5,772 Avg Close — Range —
Q1 2024
Shares 2,046,867 Value ($000) $8,331 Avg Close — Range —
Q4 2023
Shares 2,046,867 Value ($000) $3,377 Avg Close — Range —
Q3 2023
Shares 2,046,867 Value ($000) $7,758 Avg Close — Range —
Q2 2023
Shares 2,046,867 Value ($000) $11,258 Avg Close — Range —
Q1 2023
Shares 1,956,579 Value ($000) $8,413 Avg Close — Range —