Why Is REPLIMUNE GROUP INC (REPL) Stock Down Today?
By the Top Tier Newswire AI Desk · September 10, 2026 at 1:20 PM ET · reviewed against 5 wire stories
REPLIMUNE GROUP INC (REPL) is down -6.92% in the latest session. Our newswire has captured 5 stories on REPL across 3 sources in the last 36 hours, with AI sentiment reading bearish (avg 37/100).
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REPLIMUNE GROUP INC (REPL) fell 6.92% to $13.45 on Tuesday, marking a sharp decline driven by a wave of new class action lawsuits filed against the company. The stock opened at $14.40 but lost ground throughout the session, hitting a low of $13.43 before closing at $13.45. The move comes amid increased legal scrutiny and investor uncertainty.
What Happened
Five newswire stories in the past 36 hours announced the filing of multiple class action lawsuits against Replimune Group. These lawsuits allege that the company failed to disclose critical issues with its RP1 trial designs and misrepresented the adequacy of its FDA resubmission. Law firms including Bronstein, Gewirtz & Grossman LLC and Levi & Korsinsky have urged investors to act, with deadlines for participation set as early as October 5, 2026. The lawsuits are targeting investor harm and allege misleading statements about the company’s clinical progress. The stock’s sharp decline reflects the immediate impact of these legal developments on investor sentiment.
What The Data Shows
The stock opened near its 52-week high of $16.33 but fell sharply, printing 26 fresh 52-week lows on the day. The intraday volume of 1.1 million shares was 0.2 times the 3-month average, indicating limited liquidity and a bearish shift in trading behavior. Over the past 8 sessions, the stock has fallen 6.0% from $15.50 to $14.57, and the 30-day average sentiment score has deteriorated from 43/100 to 38/100. Recent insider transactions also show five sales totaling $1.0 million in the last 90 days, with the most recent sale occurring on August 19.
What To Watch
Investors should monitor the October 5, 2026 deadline for the securities class action lawsuits. Additional filings or regulatory updates could further influence the stock’s trajectory. Coverage breadth and institutional response to the legal developments will also be key indicators to follow.
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 10 session (5-min) · -7.96% vs prior close · updated 8:48 PM ETAI sentiment, last 36h · averaged over 5 stories · 37/100 bearish
The headlines behind the move
Story flow · 5 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...
3d agoPR NewswireBEARISH 34General
REPL Deadline Alert: Levi & Korsinsky Reminds Replimune Group, Inc. (REPL) Investors of Securities Class Action Deadline on October 5, 2026
Investors allege Replimune Group, Inc. told the market its RP1 resubmission was a complete response to the FDA's prior deficiency letter, while the agency's evidentiary standards for an "adequate and well-controlled" trial allegedly were never satisfied. NEW YORK, Sept. 9, 2026...
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