REGENXBIO INC

Ticker: RGNX CUSIP: 75901B107 Class: Common Stock

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

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

Q4 2024

Shares 284,000 Value ($000) $2,195 Avg Close $9.39 Range $7.14 - $12.22

Q3 2024

Shares 284,000 Value ($000) $2,979 Avg Close $12.19 Range $10.14 - $15.36

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2024	284,000	$2,195	$9.39	$7.14 - $12.22
Q3 2024	284,000	$2,979	$12.19	$10.14 - $15.36