REGENXBIO INC

Ticker: RGNX CUSIP: 75901B107 Class: Common Stock

Avidity Partners Management LP's Holding History (CIK: 0001791827)

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

Q1 2025

Shares 260,000 Value ($000) $1,859 Avg Close $7.44 Range $5.62 - $9.06

Q4 2024

Shares 532,000 Value ($000) $4,112 Avg Close $9.39 Range $7.14 - $12.22

Q3 2024

Shares 1,132,564 Value ($000) $11,881 Avg Close $12.19 Range $10.14 - $15.36

Q2 2024

Shares 1,300,064 Value ($000) $15,211 Avg Close $15.56 Range $11.33 - $21.57

Q1 2024

Shares 1,300,064 Value ($000) $27,392 Avg Close $17.79 Range $11.83 - $28.80

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2025	260,000	$1,859	$7.44	$5.62 - $9.06
Q4 2024	532,000	$4,112	$9.39	$7.14 - $12.22
Q3 2024	1,132,564	$11,881	$12.19	$10.14 - $15.36
Q2 2024	1,300,064	$15,211	$15.56	$11.33 - $21.57
Q1 2024	1,300,064	$27,392	$17.79	$11.83 - $28.80