GENERATION BIO CO

CUSIP: 37148K100 Class: Common Stock

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q1 2025
Shares 72,155 Value ($000) $29 Avg Close — Range —
Q4 2024
Shares 72,155 Value ($000) $76 Avg Close — Range —
Q3 2024
Shares 72,155 Value ($000) $178 Avg Close — Range —
Q2 2024
Shares 72,155 Value ($000) $203 Avg Close — Range —
Q1 2024
Shares 65,285 Value ($000) $266 Avg Close — Range —
Q4 2023
Shares 65,285 Value ($000) $108 Avg Close — Range —
Q3 2023
Shares 70,826 Value ($000) $268 Avg Close — Range —
Q2 2023
Shares 69,816 Value ($000) $384 Avg Close — Range —
Q1 2023
Shares 55,806 Value ($000) $240 Avg Close — Range —
Q4 2022
Shares 56,906 Value ($000) $224 Avg Close — Range —
Q3 2022
Shares 53,006 Value ($000) $281 Avg Close — Range —
Q2 2022
Shares 50,106 Value ($000) $329 Avg Close — Range —
Q1 2022
Shares 46,106 Value ($000) $338 Avg Close — Range —
Q4 2021
Shares 46,006 Value ($000) $326 Avg Close — Range —
Q3 2021
Shares 46,006 Value ($000) $1,153 Avg Close — Range —
Q2 2021
Shares 46,006 Value ($000) $1,238 Avg Close — Range —
Q1 2021
Shares 46,006 Value ($000) $1,309 Avg Close — Range —