Insider Transactions Reported by 25 Insiders of Lyell Immunopharma, Inc.

Symbol
LYEL on Nasdaq
Location
South San Francisco, CA

Insiders trading volume in the past year

Lyell Immunopharma, Inc. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Robert Nelsen Director, 10%+ Owner $83,020,992 14 Jun 2024
GSK plc 10%+ Owner $68,977,271 21 Jun 2021
ARCH Venture Partners IX, LLC 10%+ Owner $36,533,382 +$12,499,985 +52% 06 Mar 2026
ARCH Venture Fund XIII, L.P. 10%+ Owner $36,533,382 +$12,499,985 +52% 06 Mar 2026
Hans Edgar Bishop Director $10,683,200 14 Jun 2024
Richard Klausner Director $1,791,262 15 May 2025
Lynn Seely President and CEO, Director $1,737,081 -$275,967 -14% 11 Feb 2026
David Shook Chief Medical Officer $519,249 10 Feb 2026
Stephen J. Hill Chief Operating Officer $416,225 -$45,477 -9.8% 11 Feb 2026
Gary K. Lee Chief Scientific Officer $396,179 -$62,819 -14% 11 Feb 2026
Veronica Sanchez Bulis VP, Corporate Controller $361,527 -$83,901 -19% 10 Feb 2026
Charles W. Newton Chief Financial Officer $290,086 -$18,105 -5.9% 20 Aug 2025
Cathy Friedman Director $158,093 15 May 2025
Matthew Lang Chief Business Officer $114,000 10 Feb 2025
Sumant Ramachandra Director $94,000 +$115,220 15 May 2025
Otis W. Brawley Director $16,750 +$19,958 15 May 2025
Tina M. Albertson Chief Medical Officer $9,232 24 Feb 2023
Mark Bachleda Director 09 Jun 2025
Mark A. Meltz General Counsel 10 Feb 2026
Rahsaan W. Thompson Chief Legal Officer 24 Feb 2023
Smital Shah Chief Fin. and Bus. Officer 09 Mar 2026
Elizabeth Homans Chief Executive Officer, Director 16 Mar 2022
William Jl Rieflin Director 15 May 2025
Elizabeth G. Nabel Director 15 May 2025
Heather D. Turner Chief General Counsel 16 Mar 2022

Recent Insider Transactions by Companies or Individuals for Lyell Immunopharma, Inc.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Smital Shah LYEL Option (right to buy) Award 140,000 140,000 09 Mar 2026 Direct
ARCH Venture Partners IX, LLC LYEL Common Stock Purchase 52% $12,499,985 $25.61 488,090 1,426,528 06 Mar 2026 See footnote
ARCH Venture Fund XIII, L.P. LYEL Common Stock Purchase 52% $12,499,985 $25.61 488,090 1,426,528 06 Mar 2026 See footnote
Lynn Seely LYEL Common Stock Sale -9.12% $174,372 $23.39 -7,455 74,266 11 Feb 2026 Direct
Stephen J. Hill LYEL Common Stock Sale -6.49% $28,910 $23.39 -1,236 17,795 11 Feb 2026 Direct
Gary K. Lee LYEL Common Stock Sale -8.98% $39,085 $23.39 -1,671 16,938 11 Feb 2026 Direct
Stephen J. Hill LYEL Common Stock Sale -0.57% $2,520 $23.12 -109 19,031 10 Feb 2026 Direct
Stephen J. Hill LYEL Option (right to buy) Award 65,000 65,000 10 Feb 2026 Direct
Gary K. Lee LYEL Common Stock Sale -0.78% $3,399 $23.12 -147 18,609 10 Feb 2026 Direct
Gary K. Lee LYEL Option (right to buy) Award 50,000 50,000 10 Feb 2026 Direct
Lynn Seely LYEL Common Stock Sale -0.53% $10,127 $23.12 -438 81,721 10 Feb 2026 Direct
Lynn Seely LYEL Option (right to buy) Award 155,000 155,000 10 Feb 2026 Direct
Mark A. Meltz LYEL Option (right to buy) Award 50,000 50,000 10 Feb 2026 Direct
Veronica Sanchez Bulis LYEL Common Stock Sale -1.6% $5,872 $23.12 -254 15,637 10 Feb 2026 Direct
Veronica Sanchez Bulis LYEL Common Stock Award 122.5% 8,750 15,891 10 Feb 2026 Direct
David Shook LYEL Option (right to buy) Award 50,000 50,000 10 Feb 2026 Direct
Stephen J. Hill LYEL Common Stock Award 26.4% 4,000 19,140 09 Feb 2026 Direct
Gary K. Lee LYEL Common Stock Award 27.1% 4,000 18,756 09 Feb 2026 Direct
Lynn Seely LYEL Common Stock Award 32.2% 20,000 82,159 09 Feb 2026 Direct
Veronica Sanchez Bulis LYEL Common Stock Sale -11.6% $30,252 $32.32 -936 7,141 30 Dec 2025 Direct
Veronica Sanchez Bulis LYEL Common Stock Sale -12.3% $43,929 $38.67 -1,136 8,077 24 Dec 2025 Direct
Veronica Sanchez Bulis LYEL Common Stock Sale -2.53% $3,848 $16.10 -239 9,213 10 Nov 2025 Direct
Gary K. Lee LYEL Common Stock Sale -0.89% $2,230 $16.16 -138 15,366 10 Nov 2025 Direct
Stephen J. Hill LYEL Common Stock Sale -0.6% $1,531 $16.12 -95 15,750 10 Nov 2025 Direct
Lynn Seely LYEL Common Stock Sale -0.61% $6,637 $16.11 -412 67,159 10 Nov 2025 Direct
Stephen J. Hill LYEL Option (right to buy) Award 75,000 75,000 27 Oct 2025 Direct
Gary K. Lee LYEL Option (right to buy) Award 68,000 68,000 27 Oct 2025 Direct
Lynn Seely LYEL Option (right to buy) Award 175,000 175,000 27 Oct 2025 Direct
Lynn Seely LYEL Common Stock Sale -9.7% $76,518 $10.54 -7,257 67,571 21 Aug 2025 Direct
Stephen J. Hill LYEL Common Stock Sale -5.96% $10,586 $10.54 -1,004 15,845 21 Aug 2025 Direct
Charles W. Newton LYEL Common Stock Sale -8.67% $15,320 $10.54 -1,453 15,306 21 Aug 2025 Direct
Gary K. Lee LYEL Common Stock Sale -8.57% $15,320 $10.54 -1,453 15,504 21 Aug 2025 Direct
Lynn Seely LYEL Common Stock Award 114.8% 40,000 74,828 20 Aug 2025 Direct
Stephen J. Hill LYEL Common Stock Award 90.4% 8,000 16,849 20 Aug 2025 Direct
Charles W. Newton LYEL Common Stock Award 91.3% 8,000 16,759 20 Aug 2025 Direct
Gary K. Lee LYEL Common Stock Award 89.3% 8,000 16,957 20 Aug 2025 Direct
Lynn Seely LYEL Common Stock Sale -1.15% $4,197 $10.34 -406 34,828 12 Aug 2025 Direct
Stephen J. Hill LYEL Common Stock Sale -1.05% $972 $10.34 -94 8,849 12 Aug 2025 Direct
Gary K. Lee LYEL Common Stock Sale -1.5% $1,406 $10.34 -136 8,957 12 Aug 2025 Direct
Charles W. Newton LYEL Common Stock Sale -1.53% $1,406 $10.34 -136 8,759 12 Aug 2025 Direct
Lynn Seely LYEL Common Stock Sale -1.1% $4,116 $10.53 -391 35,234 11 Aug 2025 Direct
Stephen J. Hill LYEL Common Stock Sale -1.01% $958 $10.53 -91 8,943 11 Aug 2025 Direct
Gary K. Lee LYEL Common Stock Sale -1.42% $1,379 $10.53 -131 9,093 11 Aug 2025 Direct
Charles W. Newton LYEL Common Stock Sale -1.45% $1,379 $10.53 -131 8,895 11 Aug 2025 Direct
Mark Bachleda LYEL Option (right to buy) Award 13,000 13,000 09 Jun 2025 Direct
Mark A. Meltz LYEL Option (right to buy) Award 100,000 100,000 09 Jun 2025 Direct
David Shook LYEL Common Stock Award 21,900 21,900 09 Jun 2025 Direct
David Shook LYEL Option (right to buy) Award 43,750 43,750 09 Jun 2025 Direct
Richard Klausner LYEL Option (right to buy) Award 130,000 130,000 15 May 2025 Direct
William Jl Rieflin LYEL Option (right to buy) Award 130,000 130,000 15 May 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.