GENERATION BIO CO

CUSIP: 37148K209 Class: COM NEW

Siren, L.L.C.'s Holding History (CIK: 0002005245)

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

Q4 2025
Shares 201,419 Value ($000) $1,144 Avg Close — Range —
Q3 2025
Shares 296,892 Value ($000) $1,817 Avg Close — Range —