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MacroGenics (MGNX) Accused of Misleading Investors Over Cancer Drug Trial – Hagens Berman

Key Takeaway: MacroGenics, Inc. is facing a class-action lawsuit for allegedly misleading investors regarding vobra duo, its experimental cancer drug. The lawsuit centers on claims that MacroGenics downplayed the drug's safety concerns ahead of a major medical meeting. Following initial positive data that boosted share prices, the company later reported serious side effects and patient deaths, resulting in a dramatic drop in stock value. The investigation by Hagens Berman explores whether MacroGenics intentionally misrepresented safety data to inflate its stock price.

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CONCERNS & RISKS

  • Class action lawsuit filed against MacroGenics for misleading investors.
  • The drug vobra duo had a higher-than-expected rate of serious side effects.
  • Five patient deaths were disclosed in the study, causing significant share price drop.
  • Investors suffered substantial losses following the misleading safety data.

Full Press Release Details

SAN FRANCISCO, Aug. 26, 2024 (GLOBE NEWSWIRE) -- Hagens Berman urges MacroGenics, Inc. (NASDAQ: MGNX) investors who suffered substantial losses to submit your losses now.
Class Period: Mar. 7, 2024 – May 9, 2024
Lead Plaintiff Deadline: Sept. 24, 2024
Contact the Firm Now: MGNX@hbsslaw.com
Class Action Lawsuit Against MacroGenics, Inc. (MGNX):
A class-action lawsuit has been filed against MacroGenics, a biotechnology company, alleging that it misled investors about the safety and efficacy of its experimental cancer drug, vobra duo. The suit, filed in the Southern District of New York, centers on the company’s statements regarding data from a Phase 2 clinical trial known as TAMARACK.
In the lead-up to the American Society of Clinical Oncology (ASCO) meeting in March 2024, MacroGenics painted a positive picture of vobra duo’s safety and efficacy. Executives suggested that the drug was showing promising results in patients with metastatic castration-resistant prostate cancer (mCRPC). However, when the company released interim safety data in April, it revealed that the drug had a higher-than-expected rate of serious side effects.
On Apr. 3, 2024, MacroGenics released interim safety data from the TAMARACK study, as detailed in an abstract submitted to ASCO on Feb. 6, 2024. The company stated, “Preliminary safety data from TAMARACK suggest that reducing the dose and frequency of vobra duo improves its safety and tolerability in men with mCRPC.” This announcement led to a significant increase in MacroGenics’ share price, which rose by $4.11, or approximately 30%, on Apr. 4, 2024.
But the euphoria was short-lived. On May 10, 2024, MacroGenics disclosed that five patients in the study had died. This revelation caused the company’s share price to plummet by $11.36, or about 77%, on the same day, prompting numerous analyst downgrades.
“We’re investigating whether MacroGenics may have downplayed safety concerns associated with vobra duo to inflate its stock price,” said Reed Kathrein, the Hagens Berman partner leading the investigation.
If you invested in MacroGenics and have substantial losses submit your losses now »
If you’d like more information about the MacroGenics case and our investigation, read more »
Hagens Berman is a global plaintiffs’ rights complex litigation firm focusing on corporate accountability. The firm is home to a robust practice and represents investors as well as whistleblowers, workers, consumers and others in cases achieving real results for those harmed by corporate negligence and other wrongdoings. Hagens Berman’s team has secured more than $2.9 billion in this area of law. More about the firm and its successes can be found at hbsslaw.com. Follow the firm for updates and news at @ClassActionLaw.
Reed Kathrein, 844-916-0895

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Frequently Asked Questions

What is the class period for the MacroGenics lawsuit?

The class period for the MacroGenics lawsuit is from March 7, 2024, to May 9, 2024.

When is the lead plaintiff deadline for this case?

The lead plaintiff deadline for the MacroGenics case is September 24, 2024.

What were the concerns about the drug vobra duo?

Concerns arose regarding vobra duo's safety and efficacy, especially after reports of serious side effects and patient deaths.

How did MacroGenics' share price react to the news?

After initial positive data, the share price soared 30% but then dropped 77% following news of patient deaths.

Who is leading the investigation into MacroGenics?

Reed Kathrein, a partner at Hagens Berman, is leading the investigation into MacroGenics.

Last updated: Aug 26, 2024