LYELNasdaq

Lyell Immunopharma, Inc.

Alert me on LYEL

Insider buys, 6 months

Congress trades, 6 months

Signals, 6 months

Six months

After each filing

Oct 14 Sale Aguirre Jarrad Mattieu Insider

1 week

+17.8%S&P +0.5%

1 month

Result in13 trading days

3 months

Result in55 trading days

6 months

Result in118 trading days

Sep 11 Sale Shook David Insider

1 week

−7.9%S&P −0.1%

1 month

−30.9%S&P +2.1%

3 months

Result in32 trading days

6 months

Result in95 trading days

Aug 26 Sale Lee Gary K. Insider

1 week

+1.0%S&P −0.1%

1 month

−33.4%S&P +0.9%

3 months

Result in21 trading days

6 months

Result in84 trading days

Aug 26 Sale Hill Stephen J. Insider

1 week

+1.0%S&P −0.1%

1 month

−33.4%S&P +0.9%

3 months

Result in21 trading days

6 months

Result in84 trading days

Aug 26 Sale Seely Lynn Insider

1 week

+1.0%S&P −0.1%

1 month

−33.4%S&P +0.9%

3 months

Result in21 trading days

6 months

Result in84 trading days

Show all 42

Aug 12 Sale Hill Stephen J. Insider

1 week

+11.2%S&P −0.4%

1 month

−15.6%S&P −1.1%

3 months

Result in11 trading days

6 months

Result in74 trading days

Aug 12 Sale Bulis Veronica Sanchez Insider

1 week

+11.2%S&P −0.4%

1 month

−15.6%S&P −1.1%

3 months

Result in11 trading days

6 months

Result in74 trading days

Aug 12 Sale Lee Gary K. Insider

1 week

+11.2%S&P −0.4%

1 month

−15.6%S&P −1.1%

3 months

Result in11 trading days

6 months

Result in74 trading days

Aug 12 Sale Seely Lynn Insider

1 week

+11.2%S&P −0.4%

1 month

−15.6%S&P −1.1%

3 months

Result in11 trading days

6 months

Result in74 trading days

Jul 20 Sale Innovative Cellular Therapeutics Holdings Ltd Insider

1 week

+0.3%S&P −0.4%

1 month

+22.2%S&P +3.4%

3 months

−37.2%S&P +3.1%

6 months

Result in57 trading days

Jul 18 Sale Innovative Cellular Therapeutics Holdings Ltd Insider

1 week

+0.3%S&P −0.4%

1 month

+22.2%S&P +3.4%

3 months

−37.2%S&P +3.1%

6 months

Result in57 trading days

Jun 16 Sale Hill Stephen J. Insider

1 week

+4.5%S&P −2.0%

1 month

+7.1%S&P −0.7%

3 months

−13.4%S&P +0.8%

6 months

Result in35 trading days

Jun 16 Sale Seely Lynn Insider

1 week

+4.5%S&P −2.0%

1 month

+7.1%S&P −0.7%

3 months

−13.4%S&P +0.8%

6 months

Result in35 trading days

Jun 16 Sale Lee Gary K. Insider

1 week

+4.5%S&P −2.0%

1 month

+7.1%S&P −0.7%

3 months

−13.4%S&P +0.8%

6 months

Result in35 trading days

Jun 16 Sale Bulis Veronica Sanchez Insider

1 week

+4.5%S&P −2.0%

1 month

+7.1%S&P −0.7%

3 months

−13.4%S&P +0.8%

6 months

Result in35 trading days

Jun 12 Sale Shook David Insider

1 week

−11.3%S&P +0.6%

1 month

+5.6%S&P +2.0%

3 months

−16.1%S&P +2.8%

6 months

Result in33 trading days

Mar 10 Buy ARCH Venture Partners IX, LLC Insider

1 week

−21.4%S&P −0.9%

1 month

−6.9%S&P +0.7%

3 months

−50.4%S&P +9.1%

6 months

−49.7%S&P +13.2%

Mar 10 Buy ARCH Venture Partners IX, L.P. Insider

1 week

−21.4%S&P −0.9%

1 month

−6.9%S&P +0.7%

3 months

−50.4%S&P +9.1%

6 months

−49.7%S&P +13.2%

Mar 10 Buy ARCH Venture Partners IX Overage, L.P. Insider

1 week

−21.4%S&P −0.9%

1 month

−6.9%S&P +0.7%

3 months

−50.4%S&P +9.1%

6 months

−49.7%S&P +13.2%

Mar 10 Buy ARCH Venture Fund IX, L.P. Insider

1 week

−21.4%S&P −0.9%

1 month

−6.9%S&P +0.7%

3 months

−50.4%S&P +9.1%

6 months

−49.7%S&P +13.2%

Mar 10 Buy ARCH Venture Fund IX Overage, L.P. Insider

1 week

−21.4%S&P −0.9%

1 month

−6.9%S&P +0.7%

3 months

−50.4%S&P +9.1%

6 months

−49.7%S&P +13.2%

Mar 10 Buy ARCH Venture Fund XIII, L.P. Insider

1 week

−21.4%S&P −0.9%

1 month

−6.9%S&P +0.7%

3 months

−50.4%S&P +9.1%

6 months

−49.7%S&P +13.2%

Mar 10 Buy ARCH Venture Partners XIII, L.P. Insider

1 week

−21.4%S&P −0.9%

1 month

−6.9%S&P +0.7%

3 months

−50.4%S&P +9.1%

6 months

−49.7%S&P +13.2%

Mar 10 Buy ARCH Venture Partners XIII, LLC Insider

1 week

−21.4%S&P −0.9%

1 month

−6.9%S&P +0.7%

3 months

−50.4%S&P +9.1%

6 months

−49.7%S&P +13.2%

Mar 10 Buy CRANDELL KEITH Insider

1 week

−21.4%S&P −0.9%

1 month

−6.9%S&P +0.7%

3 months

−50.4%S&P +9.1%

6 months

−49.7%S&P +13.2%

Mar 10 Buy NELSEN ROBERT Insider

1 week

−21.4%S&P −0.9%

1 month

−6.9%S&P +0.7%

3 months

−50.4%S&P +9.1%

6 months

−49.7%S&P +13.2%

Mar 10 Buy Burow Kristina Insider

1 week

−21.4%S&P −0.9%

1 month

−6.9%S&P +0.7%

3 months

−50.4%S&P +9.1%

6 months

−49.7%S&P +13.2%

Mar 10 Buy GILLIS STEVEN Insider

1 week

−21.4%S&P −0.9%

1 month

−6.9%S&P +0.7%

3 months

−50.4%S&P +9.1%

6 months

−49.7%S&P +13.2%

Mar 10 Buy BERNS PAUL L Insider

1 week

−21.4%S&P −0.9%

1 month

−6.9%S&P +0.7%

3 months

−50.4%S&P +9.1%

6 months

−49.7%S&P +13.2%

Mar 10 Buy BYBEE CLINTON Insider

1 week

−21.4%S&P −0.9%

1 month

−6.9%S&P +0.7%

3 months

−50.4%S&P +9.1%

6 months

−49.7%S&P +13.2%

Feb 13 Sale Lee Gary K. Insider

1 week

−12.1%S&P +0.1%

1 month

−22.1%S&P −1.6%

3 months

−30.7%S&P +8.7%

6 months

−47.6%S&P +13.9%

Feb 13 Sale Hill Stephen J. Insider

1 week

−12.1%S&P +0.1%

1 month

−22.1%S&P −1.6%

3 months

−30.7%S&P +8.7%

6 months

−47.6%S&P +13.9%

Feb 13 Sale Seely Lynn Insider

1 week

−12.1%S&P +0.1%

1 month

−22.1%S&P −1.6%

3 months

−30.7%S&P +8.7%

6 months

−47.6%S&P +13.9%

Feb 12 Sale Hill Stephen J. Insider

1 week

−15.7%S&P +1.2%

1 month

−16.7%S&P −1.8%

3 months

−25.1%S&P +10.1%

6 months

−45.0%S&P +14.6%

Feb 12 Sale Lee Gary K. Insider

1 week

−15.7%S&P +1.2%

1 month

−16.7%S&P −1.8%

3 months

−25.1%S&P +10.1%

6 months

−45.0%S&P +14.6%

Feb 12 Sale Seely Lynn Insider

1 week

−15.7%S&P +1.2%

1 month

−16.7%S&P −1.8%

3 months

−25.1%S&P +10.1%

6 months

−45.0%S&P +14.6%

Feb 12 Sale Bulis Veronica Sanchez Insider

1 week

−15.7%S&P +1.2%

1 month

−16.7%S&P −1.8%

3 months

−25.1%S&P +10.1%

6 months

−45.0%S&P +14.6%

Jan 7 Sale Bulis Veronica Sanchez Insider

1 week

−6.3%S&P +0.1%

1 month

−9.3%S&P +0.2%

3 months

−4.8%S&P −1.1%

6 months

−40.1%S&P +10.1%

Nov 13, 2025 Sale Seely Lynn Insider

1 week

+0.1%S&P −2.9%

1 month

+86.1%S&P +1.3%

3 months

+45.8%S&P +1.9%

6 months

−5.2%S&P +10.5%

Nov 13, 2025 Sale Hill Stephen J. Insider

1 week

+0.1%S&P −2.9%

1 month

+86.1%S&P +1.3%

3 months

+45.8%S&P +1.9%

6 months

−5.2%S&P +10.5%

Nov 13, 2025 Sale Bulis Veronica Sanchez Insider

1 week

+0.1%S&P −2.9%

1 month

+86.1%S&P +1.3%

3 months

+45.8%S&P +1.9%

6 months

−5.2%S&P +10.5%

Nov 13, 2025 Sale Lee Gary K. Insider

1 week

+0.1%S&P −2.9%

1 month

+86.1%S&P +1.3%

3 months

+45.8%S&P +1.9%

6 months

−5.2%S&P +10.5%

Every purchase and sale on this ticker reported by a member of Congress or an insider, measured from the close of the first trading day after it became public to the close 1 week, 1 month, 3 months and 6 months later, each beside the S&P over the same days.

Filings for LYEL

58 held · newest 558 held · newest 2

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See all 58 filings for LYEL

Aeon news and offers by email

New sources, new features and offers like our founding price. A few times a month at most. Stop any time.

Signal history

No signal for this ticker yet. A signal is written when insider buying here scores one dot or more.

Stakes

Jun 30, 2026 Schedule 13G, amended

James B. Tananbaum: 2.7%, 653,328 shares

May 18, 2026 Schedule 13G, amended

Innovative Cellular Therapeutics Holdings Limited: 12.3%, 3,000,000 shares

Mar 31, 2026 Schedule 13G, amended

ARCH Venture Fund IX, L.P.: 13.9%, 3,247,162 shares

Mar 31, 2026 Schedule 13G, amended

MWG Caph Ltd: 4.3%, 1,008,116 shares

Mar 31, 2026 Schedule 13G, amended

Explore Investments LLC: 6.6%, 1,529,054 shares

Mar 6, 2026 Schedule 13G

EULER FUND, L.P.: 6.7%, 1,426,528 shares

Sep 30, 2025 Schedule 13G, amended

ARCH Venture Fund IX, L.P.: 13%, 2,759,072 shares

Sep 30, 2025 Schedule 13G, amended

James B. Tananbaum: 7.6%, 1,454,616 shares

Nov 6, 2025 Schedule 13G

Innovative Cellular Therapeutics Holdings Ltd: 9.8%, 1,900,000 shares

Sep 30, 2025 Schedule 13G, amended

Newton (PTC) Limited: 3.9%, 754,698 shares

Schedule 13D is filed within 5 business days of crossing 5 percent by an investor who may seek to influence the company. Schedule 13G is filed by a passive holder, and a large institution has up to 45 days after the quarter end.

Government contracts, last 12 months

Awards of $10M and up, from USAspending · context, not a signal

No contracts of $10M or more in the last 12 months.

Lobbying

Last four quarters

No lobbying reports on file.