TOP TIERMARKET NEWSWIRE
Movers explained · 2026-09-24

Archived explainer. For the current picture see today's RAPP page.

Why Is RAPPORT THERAPEUTICS Equity (RAPP) Stock Down Today?

By the Top Tier Newswire AI Desk · September 24, 2026 at 12:00 AM ET · reviewed against 8 wire stories

RAPPORT THERAPEUTICS Equity (RAPP) is down -17.70% in the latest session. Our newswire has captured 8 stories on RAPP across 5 sources in the last 36 hours, with AI sentiment reading mixed (avg 49/100).

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RAPP stock is down 17.70% to $34.13 as the CEO's presentation at the TD Cowen Neuropsychiatry Summit appears to have triggered a sharp selloff. The stock's decline coincided with a broader slump in biotech names, with RAPP among the hardest-hit. Recent insider selling and mixed analyst coverage have added to the downward pressure.

What Happened

Rapport Therapeutics CEO presented at the TD Cowen Neuropsychiatry Summit, which led to a significant drop in the stock. The presentation likely raised questions about the company's progress or the outlook for its RAP-219 Phase II trial in bipolar mania. The stock's decline occurred amid a broader downturn in biotech stocks, with several names falling sharply. The Fly reported that the stock dropped after the CEO's remarks, while other outlets noted the broader sector weakness. The stock has also been impacted by recent insider transactions, with the CEO and other executives selling shares in the past month.

What The Data Shows

Over the past 8 sessions, RAPP has fallen 21.0% from $43.62 to $34.45. The stock printed 67 fresh 52-week lows on September 23, indicating broad retail and institutional pessimism. Insider filings show 9 sell transactions totaling $7.5 million in the last 90 days, with the most recent on September 9. The stock's fundamentals remain unprofitable, with an EPS TTM of -3.05 and a beta of 1.03. The 52-week range of $23.75 to $52.93 shows a wide trading band, but the recent move has pushed it closer to the lower end.

What To Watch

Rapport Therapeutics has no upcoming earnings date listed. Investors should monitor the breadth of coverage and any new analyst ratings as the company approaches its pivotal RAP-219 Phase II data.

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.

RAPP by the numbers

Last: $34.13Session: -17.70%7 sessions: -21.02%Coverage: 8 stories / 5 sourcesAI sentiment: 49/100 (mixed)Mkt cap: $1.9B52w: $23.75 to $52.93
AI sentiment, last 36h · averaged over 8 stories · 49/100 neutral
AI sentiment 49/100 (neutral)0 · bearish50bullish · 100

The headlines behind the move

Story flow · 8 stories on the wire, last 36h · hover or tap a dot for the headline
36h ago24h ago12h agopublishInvesting.com Analyst Ratings · sentiment 61 · Raymond James reiterates Strong Buy on Rapport Therapeutics stockInvesting.com Analyst Ratings · 61Raymond James reiterates Strong Buy on Rapport Therapeutics stockSeeking Alpha · sentiment 56 · Rapport Therapeutics, Inc. (RAPP) Discusses RAP-219 Phase II Trial and Unmet Needs in Bipolar Mania TranscriptSeeking Alpha · 56Rapport Therapeutics, Inc. (RAPP) Discusses RAP-219 Phase II Trial and Unmet Needs in Bip…Investing.com Analyst Ratings · sentiment 56 · Citizens reiterates Rapport Therapeutics stock rating on Phase 2 trial potentialInvesting.com Analyst Ratings · 56Citizens reiterates Rapport Therapeutics stock rating on Phase 2 trial potentialSeeking Alpha · sentiment 54 · Rapport Therapeutics: Great CNS Science, But The Valuation Prices In Significant SuccessSeeking Alpha · 54Rapport Therapeutics: Great CNS Science, But The Valuation Prices In Significant SuccessInvestors.com · sentiment 28 · Biotech Stocks Dive As Top 2% Names Take Hardest HitInvestors.com · 28Biotech Stocks Dive As Top 2% Names Take Hardest HitThe Fly · sentiment 38 · Rapport drops after CEO presents at TD Cowen Neuropsychiatry SummitThe Fly · 38Rapport drops after CEO presents at TD Cowen Neuropsychiatry SummitInvesting.com Markets · sentiment 42 · Why is Rapport Therapeutics stock sliding today?Investing.com Markets · 42Why is Rapport Therapeutics stock sliding today?Seeking Alpha · sentiment 55 · Rapport Therapeutics, Inc. (RAPP) Discusses RAP-219 Phase II Trial and Unmet Needs in Bipolar Mania - SlideshowSeeking Alpha · 55Rapport Therapeutics, Inc. (RAPP) Discusses RAP-219 Phase II Trial and Unmet Needs in Bip…
11h agoSeeking AlphaBULLISH 55Product/PR

Rapport Therapeutics, Inc. (RAPP) Discusses RAP-219 Phase II Trial and Unmet Needs in Bipolar Mania - Slideshow

2026-09-23. The following slide deck was published by Rapport Therapeutics, Inc.

13h agoInvesting.com MarketsBEARISH 42General

Why is Rapport Therapeutics stock sliding today?

Why is Rapport Therapeutics stock sliding today?

13h agoThe FlyBEARISH 38General

Rapport drops after CEO presents at TD Cowen Neuropsychiatry Summit

16h agoInvestors.comBEARISH 28General

Biotech Stocks Dive As Top 2% Names Take Hardest Hit

Biotech stocks widely slumped Wednesday, with Rapport, Climb Bio and Cullinan among some of the hardest-hit names.

18h agoSeeking AlphaNEUTRAL 54Analyst

Rapport Therapeutics: Great CNS Science, But The Valuation Prices In Significant Success

Rapport Therapeutics' current valuation reflects substantial optimism ahead of pivotal bipolar mania data for RAP-219. See why I rate RAPP stock a Hold.

23h agoInvesting.com Analyst RatingsBULLISH 56Analyst

Citizens reiterates Rapport Therapeutics stock rating on Phase 2 trial potential

Citizens reiterates Rapport Therapeutics stock rating on Phase 2 trial potential

1d agoSeeking AlphaBULLISH 56Product/PR

Rapport Therapeutics, Inc. (RAPP) Discusses RAP-219 Phase II Trial and Unmet Needs in Bipolar Mania Transcript

Rapport Therapeutics, Inc. (RAPP) Discusses RAP-219 Phase II Trial and Unmet Needs in Bipolar Mania September 22, 2026 12:30 PM EDTCompany...

1d agoInvesting.com Analyst RatingsBULLISH 61Analyst

Raymond James reiterates Strong Buy on Rapport Therapeutics stock

Raymond James reiterates Strong Buy on Rapport Therapeutics stock

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More on RAPP: full news and sentiment history. Sentiment scores are AI-derived research signals, not financial advice.

Earlier RAPP move explainers: 2026-09-24 · 2026-09-23