Why Rapport Therapeutics, Inc. (RAPP) stock fell 18.3% on Wednesday, October 28, 2026

Rapport Therapeutics, Inc. (RAPP) closed at $22.5, down 18.30% on Wednesday, October 28, 2026, on volume of 5,935,312 shares (10.7× its 3-month average); market value about $1.10B.

What happened

Nexqual found no SEC filing, earnings release, analyst rating change or insider trade for RAPP on Wednesday, October 28, 2026 or October 27, 2026. The move may reflect news, sector or market moves, or trading flows that these sources do not capture.

More on RAPP

RAPP stock page: price, SEC financials, insider trades, superinvestor holders, analyst estimates and options. Other big moves that day: October 28, 2026.

Sources: SEC EDGAR, Nexqual Earnings Flash, analyst rating changes, Nexqual market data. Built October 28, 2026 at 22:55 UTC. Not investment advice.

Data source: Nexqual. Last updated: October 28, 2026 at 22:55 UTC. This page is informational and not investment advice.

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