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RGNX
NASDAQ Life Sciences

FDA Clinical Hold on RGX-121 Sends Regenxbio Down 22%

Tom Rudovsky · Reported by Dow Jones Newswires
More coverage: Biotech Stocks · Healthcare
Sentiment info
Negative
Importance info
9
Price
$8.47
Mkt Cap
$707.662M
52W Low
$5.455
52W High
$16.19
52W Position info
55% above low
Off High info
48% below high
Rel. Volume info
0.5× avg
Market data snapshot near publication time

RGNX sits 55% above its 52-week low of $5.455.

Summary

The FDA placed a clinical hold on Regenxbio's Hunter syndrome gene therapy RGX-121 after an expanded MRI program found asymptomatic spinal nodules in five patients who received the treatment 3-6 years ago. The company says the findings are likely benign and non-serious, but it does not expect to resubmit the BLA for RGX-121 in the near future. This is the second clinical hold for the company this year, following a similar hold on RGX-111 just weeks before a key approval decision. Shares plunged 22% to $8.34 in premarket trading, erasing much of the recent gains from the AbbVie milestone and Q2 profit. The setback raises doubts about the near-term approval path for the Hunter syndrome program, though the company still plans to submit a BLA for its Duchenne candidate this quarter.

At the time of this announcement, RGNX was trading at $8.47 on NASDAQ in the Life Sciences sector, with a market capitalization of approximately $707.7M. The 52-week trading range was $5.46 to $16.19. This news item was assessed with negative market sentiment and an importance score of 9 out of 10. Source: Dow Jones Newswires.


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RGNX - Latest Insights

RGNX
Aug 06, 2026, 7:39 AM EDT
Source: Reuters
Importance Score:
8
Price at Filing: $10.99
Real-time Price: $8.45 info
Change: -$2.54 (-23%) info
Market Cap: $707.662M info
RGNX
Aug 06, 2026, 7:15 AM EDT
Filing Type: 10-Q
Importance Score:
9
Price at Filing: $10.99
Real-time Price: $8.45 info
Change: -$2.54 (-23%) info
Market Cap: $707.662M info
RGNX
Aug 06, 2026, 7:10 AM EDT
Filing Type: 8-K
Importance Score:
9
Price at Filing: $11.10
Real-time Price: $8.45 info
Change: -$2.65 (-24%) info
Market Cap: $707.662M info
RGNX
Jul 20, 2026, 7:34 AM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $10.01
Real-time Price: $8.45 info
Change: -$1.56 (-16%) info
Market Cap: $707.662M info
RGNX
Jul 17, 2026, 5:29 PM EDT
Filing Type: 424B5
Importance Score:
8
Price at Filing: $10.14
Real-time Price: $8.45 info
Change: -$1.69 (-17%) info
Market Cap: $707.662M info