0001806952 2026-06-10 2026-06-10 false 0001806952 8-K 2026-06-10 Lyell Immunopharma, Inc. DE 001-40502 83-1300510 201 Haskins Way South San Francisco CA 94080 650 695-0677 false false false false Common Stock, $0.0001 par value per share LYEL NASDAQ false