REGENXBIO INC

Ticker: RGNX CUSIP: 75901B107 Class: Common Stock

BlackRock, Inc.'s Holding History (CIK: 0002012383)

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

Q4 2025

Shares 5,756,811 Value ($000) $82,898 Avg Close $12.46 Range $9.55 - $15.41

Q3 2025

Shares 6,370,893 Value ($000) $61,479 Avg Close $8.84 Range $7.35 - $10.17

Q2 2025

Shares 6,759,093 Value ($000) $55,492 Avg Close $8.37 Range $5.04 - $11.00

Q1 2025

Shares 5,454,520 Value ($000) $39,000 Avg Close $7.44 Range $5.62 - $9.06

Q4 2024

Shares 5,466,102 Value ($000) $42,253 Avg Close $9.39 Range $7.14 - $12.22

Q3 2024

Shares 8,844,466 Value ($000) $92,778 Avg Close $12.19 Range $10.14 - $15.36

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	5,756,811	$82,898	$12.46	$9.55 - $15.41
Q3 2025	6,370,893	$61,479	$8.84	$7.35 - $10.17
Q2 2025	6,759,093	$55,492	$8.37	$5.04 - $11.00
Q1 2025	5,454,520	$39,000	$7.44	$5.62 - $9.06
Q4 2024	5,466,102	$42,253	$9.39	$7.14 - $12.22
Q3 2024	8,844,466	$92,778	$12.19	$10.14 - $15.36