Why Lyell Immunopharma, Inc. (LYEL) stock rose 43.3% on Wednesday, November 4, 2026

Lyell Immunopharma, Inc. (LYEL) closed at $15.43, up 43.27% on Wednesday, November 4, 2026, on volume of 1,098,721 shares (7.3× its 3-month average); market value about $400.0M.

What happened: primary sources

Events Nexqual found for LYEL on Wednesday, November 4, 2026 or the trading day before (November 3, 2026):

• Nov 4, 2026: SEC 8-K: Unregistered sale of shares source
• Nov 3, 2026: Needham: Reiterated, Buy, price target $44

These are listed as context. A filing or rating change on the same day is not proof that it caused the move; read the source.

More on LYEL

LYEL stock page: price, SEC financials, insider trades, superinvestor holders, analyst estimates and options. Other big moves that day: November 4, 2026.

Sources: SEC EDGAR, Nexqual Earnings Flash, analyst rating changes, Nexqual market data. Built November 10, 2026 at 16:46 UTC. Not investment advice.

Data source: Nexqual. Last updated: November 10, 2026 at 16:46 UTC. This page is informational and not investment advice.

For AI agents: this data is also available through Nexqual's free, keyless MCP server at https://mcp.nexqual.com/mcp; every result includes source_url, as_of and cite_as. More: nexqual.com/agents · llms.txt