Why Is REPLIMUNE GROUP INC (REPL) Stock Down Today?
By the Top Tier Newswire AI Desk · September 11, 2026 at 12:09 AM ET · reviewed against 4 wire stories
REPLIMUNE GROUP INC (REPL) is down -8.37% in the latest session. Our newswire has captured 4 stories on REPL across 3 sources in the last 36 hours, with AI sentiment reading bearish (avg 38/100).
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REPLIMUNE GROUP INC stock fell 8.37% to $13.24 in morning trading on September 10, 2026, as multiple law firms announced new class action lawsuits against the company. The lawsuits allege that the company failed to disclose critical issues with its RP1 trial designs, potentially misleading investors. The recent insider selling and ongoing legal challenges appear to have heightened investor concerns.
What Happened
The stock’s sharp decline came as four separate news alerts highlighted the initiation of securities class action lawsuits against Replimune Group. The law firms involved include Bronstein, Gewirtz & Grossman LLC and The Law Offices of Frank R. Cruz. These suits allege that the company did not adequately disclose information about its clinical trial designs, which may have led to investor harm. The filings were announced within a 36-hour window and appear to have triggered immediate selling pressure. Additionally, recent insider transactions show several executives, including the CFO and Chief Medical Officer, sold shares in August.
What The Data Shows
Over the past eight trading sessions, the stock has declined 12.8% from $15.29 to $13.33. The company has a market capitalization of $1.4 billion and has not turned a profit in the trailing twelve months, with an EPS of -3.15. The stock is currently trading within its 52-week range of $1.50 to $16.33 and hit 40 fresh 52-week lows on September 10. Over the past 90 days, insiders have sold five times totaling $1.0 million, with no insider purchases recorded. The stock has a beta of 0.94, slightly less volatile than the market.
What To Watch
Investors should monitor the breadth of legal coverage and any developments regarding the lawsuits. The company has also recently filed a shelf prospectus for an offering, though the size has not been disclosed.
AI-assisted analysis composed exclusively from headlines and data on the Top Tier newswire. Public view is delayed 4 hours from real time. Not financial advice.
REPL · Sep 11 session (5-min) · -2.87% vs prior close · updated 8:58 PM ETAI sentiment, last 36h · averaged over 4 stories · 38/100 bearish
The headlines behind the move
Story flow · 4 stories on the wire, last 36h · hover or tap a dot for the headline
2d agoGlobeNewswireBEARISH 34General
Bronstein, Gewirtz & Grossman LLC Urges Replimune Group, Inc. Investors to Act: Class Action Filed Alleging Investor Harm
New York, New York--(Newsfile Corp. - September 9, 2026) - Bronstein, Gewirtz Grossman, LLC, a nationally recognized investor-rights law firm, announces that a class action lawsuit has been filed against...
2d agoGlobeNewswireNEUTRAL 50General
DEADLINE ALERT for REPL, DVLT, and UWMC: The Law Offices of Frank R. Cruz Reminds Investors of Class Actions on Behalf of Shareholders
LOS ANGELES, Sept. 10, 2026 (GLOBE NEWSWIRE) -- The Law Offices of Frank R. Cruz reminds investors that class action lawsuits have been filed on behalf...
2d agoPR NewswireBEARISH 34General
REPL Investor Alert: Replimune Group, Inc. Securities Class Action Notice - Contact SueWallSt
Institutional holders of Replimune Group, Inc. (NASDAQ: REPL) may wish to evaluate lead plaintiff options in a securities class action alleging the Company did not disclose that its RP1 trial designs failed to address study-design concerns the FDA had previously communicated. NEW YORK,...
3d agoBusiness InsiderBEARISH 34General
Bronstein, Gewirtz & Grossman LLC Urges Replimune Group, Inc. Investors to Act: Class Action Filed Alleging Investor Harm
New York, New York--(Newsfile Corp. - September 9, 2026) - Bronstein, Gewirtz Grossman, LLC, a nationally recognized investor-rights law firm, announces that a class action lawsuit has been filed against...
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