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IMNM - Immunome Inc.

Insider Purchase by Siegall Clay B (Pres, CEO)

3 Months
After Trade
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Trade Summary

2 months ago, Siegall Clay B, serving as Pres, CEO at Immunome Inc. (IMNM), purchased 7,278 shares at $20.48 per share, for a total transaction value of $149,053.00. Following this transaction, Siegall Clay B now holds 660,525 shares of IMNM.

This purchase represents a 1.00% increase in Siegall Clay B's stake in the company. This is considered a medium-conviction trade.

The trade was executed on Friday, December 19, 2025 and publicly disclosed via SEC Form 4 filing on Monday, December 22, 2025, 3 days after the trade was made.

Immunome Inc. operates in the HEALTHCARE sector, specifically within the BIOTECHNOLOGY industry. Insider buying activity in this sector can provide valuable signals about industry trends and company-specific developments.

Siegall Clay B

Siegall Clay B

Pres, CEO

Clay B. Siegall, Ph.D. is an American biopharmaceutical executive serving as President, Chief Executive Officer, and Chairman of Immunome Inc. (NASDAQ: IMNM) since October 2, 2023, following the merger with Morphimmune, where he was also President and CEO.[[1]](https://www.zoominfo.com/p/Clay-Siegall/5740410596)[[2]](https://fintool.com/app/research/companies/IMNM/people/clay-siegall)[[3]](https://www.shattucklabs.com/clay-siegall/) Age 64, Dr. Siegall is a recognized leader in oncology drug development, particularly antibody-drug conjugates (ADCs).[[3]](https://www.shattucklabs.com/clay-siegall/)[[5]](https://lifesciencewa.org/speakers/clay-siegall-phd/) Dr. Siegall co-founded Seagen Inc. (formerly Seattle Genetics) in 1997, serving as CEO (2002–2022), President (2000–2022), and Chairman (2004–2022), transforming it into a global leader in ADC therapeutics with four FDA-approved cancer therapies, over $2 billion in annual revenue, and its $43 billion acquisition by Pfizer in 2023.[[1]](https://www.zoominfo.com/p/Clay-Siegall/5740410596)[[2]](https://fintool.com/app/research/companies/IMNM/people/clay-siegall)[[3]](https://www.shattucklabs.com/clay-siegall/)[[5]](https://lifesciencewa.org/speakers/clay-siegall-phd/) Earlier, he held roles at Bristol-Myers Squibb Pharmaceutical Research Institute (1991–1997) and the National Cancer Institute (1988–1991).[[1]](https://www.zoominfo.com/p/Clay-Siegall/5740410596)[[2]](https://fintool.com/app/research/companies/IMNM/people/clay-siegall)[[4]](https://www.youtube.com/watch?v=ZKJdQxD80A8) He holds a Ph.D. in Genetics from George Washington University and a B.S. in Zoology from the University of Maryland.[[1]](https://www.zoominfo.com/p/Clay-Siegall/5740410596)[[2]](https://fintool.com/app/research/companies/IMNM/people/clay-siegall)[[4]](https://www.youtube.com/watch?v=ZKJdQxD80A8) Currently, he chairs the boards of Tourmaline Bio and serves as a director at Shattuck Labs, among other roles.[[2]](https://fintool.com/app/research/companies/IMNM/people/clay-siegall)

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Trade Price

$20.48

Quantity

7,278

Total Value

$149,053.00

Shares Owned

660,525

Trade Date

Friday, December 19, 2025

65 days ago

SEC Filing Date

Monday, December 22, 2025

Filed 3 days after trade

HEALTHCAREBIOTECHNOLOGY

About Immunome Inc.

Company Overview

No company information available
View news mentioning IMNM

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