Lee Gary K. 4

What Happened Gary K. Lee, Chief Scientific Officer of Lyell Immunopharma (LYEL), disposed of 1,671 shares on 2026-02-11 in an open-market/private sale. The reported weighted average sale price was $23.39 per share for a total of approximately $39,085. This sale was an automatic sell-to-cover to satisfy tax withholding tied to settlement of performance-based vested restricted stock units (RSUs), not a discretionary market buy/sell for investment purposes.

Key Details

• Transaction date: 2026-02-11; Form 4 filed: 2026-02-12 (timely)
• Transaction type/code: Sale (S) — sell-to-cover for tax withholding (footnote F1)
• Shares sold: 1,671; reported weighted average price: $23.39; total value ≈ $39,085
• Price range: $23.3939 to $24.6305 per share (footnote F2 — full breakdown available upon request)
• Shares owned after the transaction: Not specified in the supplied filing details
• Footnotes: F1 = automatic sale to cover tax withholding on vested performance-based RSUs; F2 = weighted avg shown, price range provided

Context Sell-to-cover transactions are common when RSUs vest and the company or broker sells a portion of the shares to cover required taxes. These transactions are administrative and do not necessarily indicate the insider's view on the company's prospects.