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CNTA - Centessa Pharmaceuticals Plc

Insider Sale by Anderson Karen M. (Chief People Officer)

1 Month
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Trade Summary

5 days ago, Anderson Karen M., serving as Chief People Officer at Centessa Pharmaceuticals Plc (CNTA), sold 120,029 shares at $26.25 per share, for a total transaction value of $3,150,673.00. Following this transaction, Anderson Karen M. now holds 62,085 shares of CNTA.

This sale represents a 66.00% decrease in Anderson Karen M.'s stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Friday, March 13, 2026 and publicly disclosed via SEC Form 4 filing on Monday, March 16, 2026, 3 days after the trade was made.

Centessa Pharmaceuticals Plc operates in the HEALTHCARE sector, specifically within the BIOTECHNOLOGY industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.

Anderson Karen M.

Chief People Officer

Karen M. Anderson is the Chief People Officer at Centessa Pharmaceuticals plc (CNTA), a position she has held since November 2022.[[1]](https://fintool.com/app/research/companies/CNTA/people/karen-anderson)[[5]](https://centessa.com/team/)[[6]](https://centessa.com/team/executive-team-karen-anderson/) In this role, she oversees human resources functions for the clinical-stage pharmaceutical company focused on discovering and developing transformational medicines.[[5]](https://centessa.com/team/) Anderson brings extensive experience in HR leadership within biotech, pharma, and technology sectors. Her previous roles include Chief Human Resources Officer at Alnylam Pharmaceuticals (2014–2019), where she supported late-stage development and commercial readiness; Vice President of HR at Biogen supporting R&D; nearly a decade of HR roles at Pfizer across R&D and Global Commercial; and compensation/M&A-focused positions at Bayer and Baxter; immediately prior, she served as CHRO at Mimecast, a cybersecurity firm.[[1]](https://fintool.com/app/research/companies/CNTA/people/karen-anderson)[[6]](https://centessa.com/team/executive-team-karen-anderson/) She holds a BA in Psychology/Labor Relations and a Master’s in Organization Development.[[1]](https://fintool.com/app/research/companies/CNTA/people/karen-anderson) Recently, Anderson has engaged in insider trading, including selling 120,029 ordinary shares on March 13, 2026, and 30,955 shares on February 4, 2025.[[3]](https://longbridge.com/en/news/279098050)[[4]](https://www.secform4.com/insider-trading/1762176.htm)

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Trade Price

$26.25

Quantity

120,029

Total Value

$3,150,673.00

Shares Owned

62,085

Trade Date

Friday, March 13, 2026

5 days ago

SEC Filing Date

Monday, March 16, 2026

Filed 3 days after trade

HEALTHCAREBIOTECHNOLOGY

About Centessa Pharmaceuticals Plc

Company Overview

No company information available
View news mentioning CNTA

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