Why Prime Medicine, Inc. (PRME) stock rose 23.2% on Wednesday, October 28, 2026

Prime Medicine, Inc. (PRME) closed at $5.36, up 23.22% on Wednesday, October 28, 2026, on volume of 15,143,749 shares (4.2× its 3-month average); market value about $1.00B.

What happened

Nexqual could not check every primary source for PRME in this update (a data source did not answer in time). This page updates hourly while the market is open and once more after the close.

More on PRME

PRME 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 22:54 UTC. Not investment advice.

Data source: Nexqual. Last updated: October 28, 2026 at 22:54 UTC. This page is informational and not investment advice.

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