Immunome Inc.
Close on Oct 19, 2026
- Market cap
- $1.90B
- P/E (TTM)
- –
- Dividend yield
- –
About Immunome
Pharmaceutical Preparations, SIC 2834
Immunome is a clinical-stage biotechnology company focused on discovering, designing, and developing targeted oncology therapeutics. Its pipeline centers on antibody-drug conjugates (ADCs), gamma secretase inhibitors, and radioligand therapies designed to treat solid tumors and hematologic malignancies. Primary investigational programs include varegacestat for desmoid tumors, IM-1021 for ROR1-expressing cancers such as B-cell lymphomas, and IM-3050 for fibroblast activation protein-positive solid tumors. In addition, the firm is advancing preclinical ADC candidates supported by its proprietary HC74 topoisomerase 1 inhibitor payload and linker technologies. The company's end users and customers encompass cancer patients, healthcare providers, and clinical trial participants seeking targeted oncologic treatments.
Immunome conducts clinical development on an international scale, running global registrational studies across clinical trial sites located in North America, Europe, Asia, and Australia. The company also utilizes external clinical-stage supply chains involving third-party diagnostic and radiotracer partners. The provided excerpt does not disclose the location of the company's corporate headquarters, operational facilities, or total employee headcount.
Summary of the business section of Immunome's latest annual report, written by StockData.
Company profile
Company
- Legal name
- Immunome Inc.
- Headquarters
- Bothell, WA
- Address
- 18702 N. Creek Parkway, Suite 100 98011
- Phone
- (610) 321-3700
- Employees
- 177, Dec 31, 2025
- Industry
- Pharmaceutical Preparations
- Incorporated in
- Delaware
- Fiscal year ends
- December 31
- Auditor
- Ernst & Young LLP, Philadelphia, Pennsylvania
Stock & identifiers
- Ticker
- IMNM
- Exchange
- Nasdaq
- IPO date
- Oct 5, 2020
- Shares outstanding
- 114M, Aug 6, 2026
- Public float
- $728.50M, Jun 30, 2025
- Filer category
- Non-accelerated filer
- SEC CIK
- 1472012
- CUSIP
- 45257U108
- ISIN
- US45257U1088
- EIN
- 77-0694340
Executives and directors
Officers and directors who filed ownership reports (Forms 3, 4, 5) in the last two years
| Name | Position | Shares owned |
|---|---|---|
| Clay B. Siegall | President and CEO, Director | 870,704 |
| Jack Higgins | Chief Scientific Officer | 81,250 |
| Kinney Horn | CHIEF BUSINESS OFFICER | 0 |
| Max Rosett | Chief Financial Officer | 101,287 |
| Sandra G. Stoneman | CHIEF LEGAL OFFICER & GC | 43,805 |
| Philip Tsai | Chief Technical Officer | 81,550 |
| Robert Lechleider | Chief Medical Officer | 69,805 |
| Isaac Barchas | Director | 92,211 |
| Sandra M. Swain | Director | – |
| Philip Wagenheim | Director | 1,168,787 |
| Carol Schafer | Director | – |
| James P. Boylan | Director | – |
| Jean Jacques Bienaime | Director | 43,415 |
CEO pay and shareholder return
Pay versus performance table from the proxy statement
| Fiscal year | CEO total pay | CEO pay actually paid | Other executives (avg) | Value of $100 invested | Peer group |
|---|---|---|---|---|---|
| FY2025 Clay Siegall, Ph.D. | $7.68M | $28.07M | $2.77M | $201 | – |
| FY2024 Clay Siegall, Ph.D. | $9.23M | $8.41M | $6.12M | $99 | – |
“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.
Employees
Headcount reported in annual reports
“As of December 31, 2025, we had 177 full-time employees, 133 of whom were engaged in research and development activities.”
Corporate history
Events identified from SEC filings
| Date | Event | Details |
|---|---|---|
| Oct 29, 2024 | Acquisition / sale | Completion of acquisition or disposition of assets (8-K Item 2.01) |
| Mar 26, 2024 | Acquisition / sale | Completion of acquisition or disposition of assets (8-K Item 2.01) |
| Oct 4, 2023 | Acquisition / sale | Completion of acquisition or disposition of assets (8-K Item 2.01) |
| Aug 8, 2023 | Merger | Registration of securities for a merger or exchange offer (S-4) |
| Oct 6, 2022 | Auditor change | Change in certifying accountant (8-K Item 4.01) |
| Oct 5, 2020 | IPO | Initial public offering priced (424B4 prospectus) |
| Sep 30, 2020 | Listing | Registration of securities on an exchange (Form 8-A) |