Core Viewpoint - Pomerantz LLP is investigating claims of potential securities fraud or unlawful business practices involving Regenxbio and its officers or directors following a significant stock price drop due to FDA clinical holds on its gene therapies [1][2]. Group 1: Company Overview - Regenxbio Inc. is a biotechnology company focused on gene therapy, specifically for conditions such as MPS I (Hurler syndrome) and MPS II (Hunter syndrome) [2]. - The company’s stock price fell by $2.40, or 17.9%, closing at $11.01 per share on January 28, 2026, after the announcement of the FDA's clinical holds [2]. Group 2: Regulatory Developments - The FDA placed a clinical hold on Regenxbio's investigational gene therapy RGX-111 due to a case of neoplasm in a participant from its Phase I/II study [2]. - A similar clinical hold was also placed on RGX-121, citing shared risks between the two studies [2]. Group 3: Legal Context - Pomerantz LLP is recognized for its expertise in corporate, securities, and antitrust class litigation, having a long history of fighting for victims of securities fraud and corporate misconduct [3].

Core Viewpoint - Regenxbio Inc. is under investigation for potential discrepancies between the information provided to investors and the actual safety developments in its gene therapy clinical programs, particularly following the FDA's clinical holds on its RGX-111 and RGX-121 programs due to safety concerns [1][2]. Group 1: Company Developments - On January 28, 2026, Regenxbio disclosed that the FDA placed clinical holds on its RGX-111 and RGX-121 programs after a tumor was identified in a trial participant, leading to a 30-35% decline in the company's share price [2]. - During the Q3 2025 earnings call on November 6, 2025, CEO Curran Simpson highlighted positive regulatory interactions, noting that the FDA completed inspections of clinical sites and the manufacturing facility with no observations, which may have created an asymmetric presentation of the company's regulatory standing [4]. - The Q3 2025 earnings call transcript did not mention the RGX-111 program for MPS I, despite it being a significant pipeline asset that would later face the same FDA clinical hold, raising concerns about the completeness of information provided to shareholders [5]. Group 2: Regulatory and Legal Context - SEC disclosure rules require public companies to provide material information necessary for informed investment decisions, and Rule 10b-5 prohibits material misstatements and omissions in securities transactions [3].

Core Viewpoint - REGENXBIO Inc. is under investigation for potential violations of federal securities laws following the FDA's clinical holds on its RGX-111 and RGX-121 programs, which resulted in a significant decline in the company's share price by 30-35% [1]. Regulatory Compliance - SEC disclosure rules mandate that public companies must provide material information for informed investment decisions, with Form 8-K allowing disclosure of material events not covered by other items [2]. - Rule 10b-5 prohibits material misstatements and omissions in securities transactions, covering both false statements and the omission of necessary facts [2]. Earnings Call Insights - During the Q3 2025 earnings call, CEO Curran Simpson highlighted positive regulatory interactions, noting that the FDA completed inspections with no observations, which may have created an asymmetric presentation of the company's regulatory standing [3]. - The Q3 2025 earnings call did not address the RGX-111 program for MPS I, despite it being a material pipeline asset later subjected to the FDA clinical hold, raising concerns about the completeness of information provided to shareholders [4].

Core Viewpoint - Regenxbio (RGNX) experienced a significant premarket selloff of approximately 30% following the FDA's announcement of a clinical hold on RGX-111 for Hurler syndrome and RGX-121 for Hunter syndrome, indicating a high level of surprise in the market regarding this news [1] Group 1 - Leerink considers the market reaction to be an "overreaction," suggesting that the financial impact of the Hunter and Hurler studies on the overall value of Regenxbio shares is modest [1] - The analyst views the current share price as a buying opportunity, maintaining an Outperform rating on Regenxbio shares [1]

Core Insights - Holzer & Holzer, LLC is investigating whether REGENXBIO Inc. complied with federal securities laws following the announcement of a clinical hold on its Investigational New Drug applications by the FDA [1] - The clinical hold affects two trials: RGX-111 for Mucopolysaccharidosis type I and RGX-121 for Mucopolysaccharidosis type II [1] - Following the announcement, REGENXBIO's stock price experienced a decline [1] Company Information - REGENXBIO Inc. is publicly traded on NASDAQ under the ticker RGNX [1] - The company is focused on developing gene therapies for various diseases, including Mucopolysaccharidosis [1] Legal Context - Holzer & Holzer, LLC is a law firm that specializes in representing shareholders and investors in securities litigation [3] - The firm has a history of recovering significant amounts for shareholders affected by corporate misconduct [3]

Core Viewpoint - REGENXBIO Inc. experienced a significant stock decline of 17.75% following the FDA's clinical hold on two investigational gene therapy programs [1] Group 1: Stock Performance - The company's shares closed at $11.03 after a drop of $2.38 [1] - The stock opened at $9.60, down from the previous close of $13.41, and traded between $9.51 and $11.50 during the session [3] - Trading volume reached approximately 3.88 million shares, significantly higher than the average volume of about 690,186 shares [3] Group 2: FDA Clinical Hold - The FDA imposed a clinical hold on the RGX-111 program, which was under investigation for treating MPS I or Hurler syndrome, due to a preliminary review of a neoplasm case involving a central nervous system tumor in a trial participant [2] - This hold has raised concerns regarding the safety and viability of the gene therapy programs [2] Group 3: Historical Stock Range - REGENXBIO's stock has fluctuated within a 52-week range of $5.03 to $16.19 [4]

Core Viewpoint - REGENXBIO Inc. is facing significant stock decline due to a regulatory hold by the FDA on its gene therapy programs, raising investor concerns about safety and future prospects [1][2]. Regulatory Update - The FDA has placed a clinical hold on REGENXBIO's RGX-111 and RGX-121 programs, which target rare genetic disorders, following a neoplasm case in a participant treated with RGX-111 [2][4]. - RGX-111 is being developed for MPS I (Hurler syndrome), while RGX-121 is for MPS II (Hunter syndrome), both of which involve enzyme deficiencies leading to sugar accumulation in the body [3][4]. Company Response - The CEO of REGENXBIO expressed surprise at the FDA's decision, highlighting the favorable safety profile of RGX-121 based on data from over 30 patients treated, some nearly seven years ago [5]. Stock Performance - REGENXBIO's stock is currently trading 23.4% below its 20-day simple moving average and 9.9% below its 100-day simple moving average, indicating short-term weakness [6]. - Over the past year, shares have increased by 44.41% but are closer to their 52-week lows than highs [6]. Technical Indicators - The Relative Strength Index (RSI) is at 45.56, indicating neutral territory, while the MACD is below its signal line, suggesting bearish pressure on the stock [7]. Upcoming Earnings - Investors are anticipating the next earnings report scheduled for March 12, 2026 [8]. Analyst Ratings - The stock carries a Buy Rating with an average price target of $31.38. Recent analyst updates include: - Key Resistance: $12.00 - Key Support: $11.00 - EPS Estimate: Loss of 86 cents (up from $-1.01 YoY) - Revenue Estimate: $50.09 million (up from $21.21 million YoY) [9]. Market Momentum - REGENXBIO has a strong momentum score of 91.62 according to Benzinga Edge, indicating it is outperforming the broader market despite recent regulatory challenges [10]. Current Stock Price - As of the latest publication, REGENXBIO shares were down 20.21% at $10.70 [11].

Core Viewpoint - Regenxbio announced that the U.S. Food and Drug Administration has placed a clinical hold on two of its experimental gene therapy programs for rare childhood diseases due to the discovery of a brain tumor in one treated patient [1] Company Summary - The clinical hold affects two gene therapy programs that are currently under development by Regenxbio [1] - The hold was initiated following a serious adverse event involving a brain tumor in a patient who received treatment [1]

Core Viewpoint - REGENXBIO Inc. has announced that the FDA has placed a clinical hold on its investigational gene therapies RGX-111 and RGX-121 due to a case of neoplasm identified in a participant treated with RGX-111, raising concerns about the safety of both therapies [1][2]. Group 1: Clinical Hold Details - The FDA's clinical hold on RGX-111 and RGX-121 is based on a single case of an intraventricular CNS tumor found in a five-year-old participant who received RGX-111 four years prior [1][2]. - Preliminary genetic analysis of the tumor indicated an AAV vector genome integration event linked to overexpression of the proto-oncogene PLAG1, which is associated with chromosomal rearrangements [2]. Group 2: Company Response - REGENXBIO expressed surprise at the FDA's decision to place RGX-121 on hold, emphasizing that RGX-121 has a positive safety profile based on data from over 30 patients treated [3]. - The company highlighted the urgent medical need for RGX-121 in treating MPS II, stating that delays could lead to neurodevelopmental decline in affected patients [3]. Group 3: Therapy Information - RGX-121 is a one-time gene therapy designed to deliver the iduronate-2-sulfatase (IDS) gene to the CNS, potentially providing a permanent source of the I2S protein beyond the blood-brain barrier [4]. - RGX-111 aims to deliver the alpha-L-iduronidase (IDUA) gene to the CNS, which could help prevent cognitive deficits in MPS I patients [7]. Group 4: Disease Background - MPS II, or Hunter Syndrome, is a rare disease caused by a deficiency in the lysosomal enzyme I2S, leading to the accumulation of glycosaminoglycans and resulting in dysfunction across various tissues, including the CNS [6]. - MPS I is a rare genetic disease caused by a deficiency in the enzyme IDUA, leading to similar accumulations and dysfunctions, with an estimated occurrence of 1 in 100,000 births [9].

Recently, we got an update from Regenxbio Inc. ( RGNX ). Management highlighted 2026 as a make-or-break year for the company, and I’m inclined to agree. If you look at it, there are quite a few near-term regulatory and clinical catalysts thatI hold a Master’s degree in Cell Biology and began my career working for several years as a lab technician in a drug discovery clinic, where I gained extensive hands-on experience in cell culture, assay development, and therapeutic research. That scientific foundation g ...