InsiderFlow

Lyell Immunopharma, Inc.

$21.26-3.52 (-14.19%)

Prev Close

$24.77

Open

$24.78

High

$25.48

Low

$21.02

Volume

103.1K

Market Cap

$542.1M

P/E

Div Yield

LYEL Price Chart

LYEL Insider Trading Activity

DateInsiderRoleTypeSharesAvg PriceValueShares After
Mar 9, 2026ARCH Venture Fund XIII, L.P.10 percent ownerBuy488,090$25.61$12.50M1,426,530
Mar 9, 2026ARCH Venture Partners IX, LLC10 percent ownerBuy488,090$25.61$12.50M1,426,530
Feb 12, 2026Hill Stephen J.officer: Chief Operating OfficerSell1,236$23.39$28.9K17,795
Feb 12, 2026Lee Gary K.officer: Chief Scientific OfficerSell1,671$23.39$39.1K16,938
Feb 12, 2026Seely Lynndirector, officer: President and CEOSell7,455$23.39$174.4K74,266
Feb 11, 2026Bulis Veronica Sanchezofficer: VP, Corporate ControllerSell254$23.12$5.9K15,637
Feb 11, 2026Hill Stephen J.officer: Chief Operating OfficerSell1,345$23.37$31.4K19,031
Feb 11, 2026Lee Gary K.officer: Chief Scientific OfficerSell1,818$23.37$42.5K18,609
Feb 11, 2026Seely LynnPresident and CEOSell7,893$23.38$184.5K81,721
Feb 10, 2026Bulis Veronica SanchezVP, Corporate ControllerSell254$23.12$5.9K0
Feb 9, 2026Hill Stephen J.Chief Operating OfficerSell109$23.12$2.5K0
Feb 9, 2026Lee Gary K.Chief Scientific OfficerSell147$23.12$3.4K0
Feb 9, 2026Seely LynnPresident and CEOSell438$23.12$10.1K0
Jan 6, 2026Bulis Veronica Sanchezofficer: VP, Corporate ControllerSell2,072$35.80$74.2K8,077
Dec 24, 2025Bulis Veronica SanchezVP, Corporate ControllerSell2,072$35.80$74.2K0
Nov 10, 2025Bulis Veronica SanchezVP, Corporate ControllerSell239$16.10$3.8K0
Nov 10, 2025Hill Stephen J.Chief Operating OfficerSell95$16.12$1.5K0
Nov 10, 2025Lee Gary K.Chief Scientific OfficerSell138$16.16$2.2K0
Nov 10, 2025Seely LynnPresident and CEOSell412$16.11$6.6K0
Aug 20, 2025Hill Stephen J.Chief Operating OfficerSell1,004$10.54$10.6K0
Aug 20, 2025Lee Gary K.Chief Scientific OfficerSell1,453$10.54$15.3K0
Aug 20, 2025Newton Charles W.Chief Financial OfficerSell1,453$10.54$15.3K0
Aug 20, 2025Seely LynnPresident and CEOSell7,257$10.54$76.5K0
Aug 11, 2025Hill Stephen J.Chief Operating OfficerSell185$10.43$1.9K0
Aug 11, 2025Lee Gary K.Chief Scientific OfficerSell267$10.43$2.8K0
Aug 11, 2025Newton Charles W.Chief Financial OfficerSell267$10.43$2.8K0
Aug 11, 2025Seely LynnPresident and CEOSell797$10.43$8.3K0
Mar 31, 2025BRAWLEY OTIS WDirectorBuy35,640$0.56$20.0K0
Mar 21, 2025Ramachandra SumantDirectorBuy200,000$0.58$115.2K0
Mar 17, 2025Newton Charles W.Chief Financial OfficerBuy200,000$0.56$111.6K0
Mar 14, 2025Klausner RichardDirectorBuy158,000$0.60$94.9K0
Mar 14, 2025Seely LynnPresident and CEOBuy175,000$0.61$106.2K0

LYEL Insider Buying Activity

The following table shows recent insider purchases of Lyell Immunopharma, Inc. (LYEL) stock reported via SEC Form 4 filings.

DateInsiderRoleTypeSharesAvg PriceValueShares After
Mar 9, 2026ARCH Venture Fund XIII, L.P.10 percent ownerBuy488,090$25.61$12.50M1,426,530
Mar 9, 2026ARCH Venture Partners IX, LLC10 percent ownerBuy488,090$25.61$12.50M1,426,530
Mar 31, 2025BRAWLEY OTIS WDirectorBuy35,640$0.56$20.0K0
Mar 21, 2025Ramachandra SumantDirectorBuy200,000$0.58$115.2K0
Mar 17, 2025Newton Charles W.Chief Financial OfficerBuy200,000$0.56$111.6K0
Mar 14, 2025Klausner RichardDirectorBuy158,000$0.60$94.9K0
Mar 14, 2025Seely LynnPresident and CEOBuy175,000$0.61$106.2K0

LYEL Insider Selling Activity

The following table shows recent insider sales of Lyell Immunopharma, Inc. (LYEL) stock reported via SEC Form 4 filings.

DateInsiderRoleTypeSharesAvg PriceValueShares After
Feb 12, 2026Hill Stephen J.officer: Chief Operating OfficerSell1,236$23.39$28.9K17,795
Feb 12, 2026Lee Gary K.officer: Chief Scientific OfficerSell1,671$23.39$39.1K16,938
Feb 12, 2026Seely Lynndirector, officer: President and CEOSell7,455$23.39$174.4K74,266
Feb 11, 2026Bulis Veronica Sanchezofficer: VP, Corporate ControllerSell254$23.12$5.9K15,637
Feb 11, 2026Hill Stephen J.officer: Chief Operating OfficerSell1,345$23.37$31.4K19,031
Feb 11, 2026Lee Gary K.officer: Chief Scientific OfficerSell1,818$23.37$42.5K18,609
Feb 11, 2026Seely LynnPresident and CEOSell7,893$23.38$184.5K81,721
Feb 10, 2026Bulis Veronica SanchezVP, Corporate ControllerSell254$23.12$5.9K0
Feb 9, 2026Hill Stephen J.Chief Operating OfficerSell109$23.12$2.5K0
Feb 9, 2026Lee Gary K.Chief Scientific OfficerSell147$23.12$3.4K0
Feb 9, 2026Seely LynnPresident and CEOSell438$23.12$10.1K0
Jan 6, 2026Bulis Veronica Sanchezofficer: VP, Corporate ControllerSell2,072$35.80$74.2K8,077
Dec 24, 2025Bulis Veronica SanchezVP, Corporate ControllerSell2,072$35.80$74.2K0
Nov 10, 2025Bulis Veronica SanchezVP, Corporate ControllerSell239$16.10$3.8K0
Nov 10, 2025Hill Stephen J.Chief Operating OfficerSell95$16.12$1.5K0
Nov 10, 2025Lee Gary K.Chief Scientific OfficerSell138$16.16$2.2K0
Nov 10, 2025Seely LynnPresident and CEOSell412$16.11$6.6K0
Aug 20, 2025Hill Stephen J.Chief Operating OfficerSell1,004$10.54$10.6K0
Aug 20, 2025Lee Gary K.Chief Scientific OfficerSell1,453$10.54$15.3K0
Aug 20, 2025Newton Charles W.Chief Financial OfficerSell1,453$10.54$15.3K0
Aug 20, 2025Seely LynnPresident and CEOSell7,257$10.54$76.5K0
Aug 11, 2025Hill Stephen J.Chief Operating OfficerSell185$10.43$1.9K0
Aug 11, 2025Lee Gary K.Chief Scientific OfficerSell267$10.43$2.8K0
Aug 11, 2025Newton Charles W.Chief Financial OfficerSell267$10.43$2.8K0
Aug 11, 2025Seely LynnPresident and CEOSell797$10.43$8.3K0

LYEL Insiders

ARCH Venture Fund XIII, L.P.

10 percent owner

Bought $12.50M
1 tradesLast: Mar 6, 2026
ARCH Venture Partners IX, LLC

10 percent owner

Bought $12.50M
1 tradesLast: Mar 6, 2026
Hill Stephen J.

Chief Operating Officer

Sold $45.5K
6 tradesLast: Feb 11, 2026
Hill Stephen J.

officer: Chief Operating Officer

Sold $31.4K
2 tradesLast: Feb 11, 2026
Lee Gary K.

Chief Scientific Officer

Sold $62.8K
6 tradesLast: Feb 11, 2026
Lee Gary K.

officer: Chief Scientific Officer

Sold $42.5K
2 tradesLast: Feb 11, 2026
Seely Lynn

director, officer: President and CEO

Sold $184.5K
2 tradesLast: Feb 11, 2026
Seely Lynn

President and CEO

Bought $106.2KSold $276.0K
7 tradesLast: Feb 11, 2026
Bulis Veronica Sanchez

officer: VP, Corporate Controller

Sold $80.1K
3 tradesLast: Feb 10, 2026
Bulis Veronica Sanchez

VP, Corporate Controller

Sold $83.9K
4 tradesLast: Feb 10, 2026
Newton Charles W.

Chief Financial Officer

Bought $111.6KSold $18.1K
4 tradesLast: Aug 21, 2025
BRAWLEY OTIS W

Director

Bought $20.0K
1 tradesLast: Mar 31, 2025
Ramachandra Sumant

Director

Bought $115.2K
1 tradesLast: Mar 21, 2025
Klausner Richard

Director

Bought $94.9K
1 tradesLast: Mar 14, 2025