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IMNM - Immunome Inc.

Insider Purchase by Tsai Philip (Chief Technical Officer)

3 Months
After Trade
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Trade Summary

2 months ago, Tsai Philip, serving as Chief Technical Officer at Immunome Inc. (IMNM), purchased 10,000 shares at $20.49 per share, for a total transaction value of $204,900.00. Following this transaction, Tsai Philip now holds 43,300 shares of IMNM.

This purchase represents a 30.00% increase in Tsai Philip's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

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.

Tsai Philip

Tsai Philip

Chief Technical Officer

Phil Tsai, PhD (also referred to as Philip Tsai or Tsai Philip) is the Chief Technical Officer at Immunome Inc. (Nasdaq: IMNM), a biotechnology company developing targeted cancer therapies including antibody-drug conjugates (ADCs).[[1]](https://investors.immunome.com/immunome-appoints-phil-tsai-as-chief-technical-officer/)[[2]](https://immunome.com/about/)[[5]](https://www.gurufocus.com/insider/265149/philip-tsai) Dr. Tsai brings nearly three decades of experience in product development, process optimization, and manufacturing, with expertise in ADCs. Prior to Immunome, he spent 21 years at Seagen (acquired by Pfizer in December 2023), rising to SVP of Technical Development, leading CMC development and commercialization of Seagen's pipeline. He began his career at Biogen, optimizing biologics manufacturing processes for seven years. Dr. Tsai holds a PhD and MS in Chemical Engineering (minor in Biology) from the California Institute of Technology and a BS from the University of Illinois at Urbana-Champaign.[[1]](https://investors.immunome.com/immunome-appoints-phil-tsai-as-chief-technical-officer/)[[2]](https://immunome.com/about/) As a corporate insider, he has engaged in recent stock trades at Immunome.[[7]](https://stockcircle.com/insider-trades/person/tsai-philip)[[8]](https://www.benzinga.com/sec/insider-trades/0002026600/Philip-Tsai)

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Trade Price

$20.49

Quantity

10,000

Total Value

$204,900.00

Shares Owned

43,300

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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