GENERATION BIO CO

CUSIP: 37148K100 Class: Common Stock

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q1 2025
Shares 3,585 Value ($000) $1 Avg Close — Range —
Q4 2024
Shares 3,585 Value ($000) $4 Avg Close — Range —
Q3 2024
Shares 3,585 Value ($000) $9 Avg Close — Range —
Q2 2024
Shares 3,585 Value ($000) $10 Avg Close — Range —
Q1 2024
Shares 4,553 Value ($000) $19 Avg Close — Range —
Q4 2023
Shares 7,454 Value ($000) $12 Avg Close — Range —
Q3 2023
Shares 9,992 Value ($000) $38 Avg Close — Range —
Q2 2023
Shares 15,064 Value ($000) $83 Avg Close — Range —
Q1 2023
Shares 17,879 Value ($000) $77 Avg Close — Range —
Q4 2022
Shares 57,617 Value ($000) $226 Avg Close — Range —
Q3 2022
Shares 55,824 Value ($000) $296 Avg Close — Range —
Q2 2022
Shares 56,408 Value ($000) $370 Avg Close — Range —
Q1 2022
Shares 50,354 Value ($000) $370 Avg Close — Range —
Q4 2021
Shares 55,043 Value ($000) $390 Avg Close — Range —
Q3 2021
Shares 53,775 Value ($000) $1,348 Avg Close — Range —
Q2 2021
Shares 60,407 Value ($000) $1,625 Avg Close — Range —
Q1 2021
Shares 60,774 Value ($000) $1,730 Avg Close — Range —
Q4 2020
Shares 18,581 Value ($000) $527 Avg Close — Range —
Q3 2020
Shares 18,581 Value ($000) $574 Avg Close — Range —