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LYELNasdaqPharmaceutical PreparationsFiscal year ends December 31

Lyell Immunopharma, Inc.

Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 6, 2026
$8.80+0.68 (+8.37%)

Close on Oct 19, 2026

Market cap
$205.60M
P/E (TTM)
–
Dividend yield
–

About Lyell Immunopharma

Pharmaceutical Preparations, SIC 2834

Lyell is a clinical-stage biotechnology company that develops autologous chimeric antigen receptor T-cell therapies for cancer patients. The company focuses on hematologic malignancies and solid tumors, modifying patient immune cells to target cancerous tissues. Its lead product candidate is rondecabtagene autoleucel, a dual-targeting CD19 and CD20 cell therapy in clinical trials for large B-cell lymphoma. The company also develops LYL273, a cell therapy candidate targeting guanylyl cyclase C for patients with advanced metastatic colorectal cancer. Lyell's therapies target cancer patients with relapsed, refractory, or advanced malignancies.

The company conducts clinical trials across the United States, Canada, and Australia, with one pivotal trial enrolling patients at about twenty-five sites. Lyell operates a dedicated manufacturing facility called the LyFE Manufacturing Center to produce cell therapies for clinical trials. In addition, its global licensing rights for LYL273 cover worldwide territories excluding mainland China, Hong Kong, Macau, and Taiwan. The provided text does not state the location of the company's headquarters.

Summary of the business section of Lyell Immunopharma's latest annual report, written by StockData.

Company profile

Company

Legal name
Lyell Immunopharma, Inc.
Headquarters
South San Francisco, CA
Address
201 Haskins Way 94080
Phone
(650) 695-0677
Industry
Pharmaceutical Preparations
Incorporated in
Delaware
Fiscal year ends
December 31
Auditor
Ernst & Young LLP, San Mateo, California

Stock & identifiers

Ticker
LYEL
Exchange
Nasdaq
IPO date
Jun 21, 2021
Shares outstanding
25M, Aug 3, 2026
Public float
$129.00M, Jun 30, 2025
Filer category
Non-accelerated filer<br>Smaller reporting company
Stock splits
1-for-20 reverse, Jun 2, 2025; 1-for-20 reverse, May 30, 2025
SEC CIK
1806952
CUSIP
55083R203
ISIN
US55083R2031
EIN
83-3006753

Executives and directors

Officers and directors who filed ownership reports (Forms 3, 4, 5) in the last two years

NamePositionShares owned
Lynn SeelyPresident and CEO, Director63,899
Jarrad Mattieu AguirreChief Medical Officer20,279
David ShookChief Medical Officer20,423
Gary K. LeeChief Scientific Officer16,220
Stephen J. HillChief Operating Officer16,816
Veronica Sanchez BulisVP, Corporate Controller14,799
Smital ShahChief Fin. and Bus. Officer–
Mark A. MeltzGeneral Counsel–
Charles W. NewtonChief Financial Officer25,306
Matthew LangChief Business Officer162,500
Mark BachledaDirector–
William Jl RieflinDirector–
Otis W. BrawleyDirector1,782
Richard KlausnerDirector190,557
Sumant RamachandraDirector10,000
Cathy FriedmanDirector16,818
Elizabeth G. NabelDirector–

CEO pay and shareholder return

Pay versus performance table from the proxy statement

Fiscal yearCEO total payCEO pay actually paidOther executives (avg)Value of $100 investedPeer group
FY2025
Lynn Seely, M.D.
$4.22M$9.64M$2.01M$44–
FY2024
Elizabeth Homans
$0$0$1.61M$18–
FY2024
Lynn Seely MD
$1.50M-$3.24M$1.61M$18–
FY2024
Lynn Seely, M.D.
$1.50M-$3.24M$1.61M$18–
FY2023
Elizabeth Homans
$0$0$3.21M$56–
FY2023
Lynn Seely MD
$2.65M-$7.94M$3.21M$56–

“Actually paid” adjusts reported pay for changes in the value of equity awards. Shareholder return assumes $100 invested at the start of the measurement period, as disclosed by the company.

Corporate history

Events identified from SEC filings