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ADPT - Adaptive Biotechnologies Corp

Insider Sale by Robins Chad M (CEO, COB)

1 Month
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Trade Summary

6 days ago, Robins Chad M, serving as CEO, COB at Adaptive Biotechnologies Corp (ADPT), sold 524,998 shares at $15.85 per share, for a total transaction value of $8,320,613.00. Following this transaction, Robins Chad M now holds 1,934,247 shares of ADPT.

This sale represents a 21.00% decrease in Robins Chad 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, February 27, 2026 and publicly disclosed via SEC Form 4 filing on Tuesday, March 3, 2026, 4 days after the trade was made.

Adaptive Biotechnologies Corp 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.

Robins Chad M

CEO, COB

Chad M. Robins is the Chief Executive Officer (CEO), Co-founder, and Chairman of the Board of Adaptive Biotechnologies Corporation (NASDAQ: ADPT), a commercial-stage biotechnology company focused on translating adaptive immune system genetics into clinical diagnostics and therapeutics.[[1]](https://www.youtube.com/watch?v=aS3nyllRTNo)[[2]](https://www.healthevolution.com/bios/speaker/chad-robins/)[[4]](https://www.adaptivebiotech.com/adaptive-leadership/) He co-founded the Seattle-based firm in 2009 with his brother Harlan Robins, PhD, bringing business expertise from prior executive roles in real estate, investment banking, private equity, and medical technology.[[1]](https://www.youtube.com/watch?v=aS3nyllRTNo)[[2]](https://www.healthevolution.com/bios/speaker/chad-robins/)[[3]](https://www.geekwire.com/2019/adaptive-biotechnologies-ceo-chad-robins-power-mom-good-listener/) Under his leadership, Adaptive achieved a successful $300 million IPO in 2019, launched the FDA-authorized clonoSEQ® test for minimal residual disease in B-cell cancers, and formed key partnerships with Microsoft for AI-driven immune mapping and Genentech for personalized cancer therapies.[[1]](https://www.youtube.com/watch?v=aS3nyllRTNo)[[3]](https://www.geekwire.com/2019/adaptive-biotechnologies-ceo-chad-robins-power-mom-good-listener/) Robins holds a degree with honors from Cornell University and an MBA from The Wharton School at the University of Pennsylvania.[[1]](https://www.youtube.com/watch?v=aS3nyllRTNo) He has received accolades including Puget Sound Business Journal’s Power 100 (2019, 2020), Goldman Sachs Most Intriguing Entrepreneur (2015 onward), and Ernst & Young Entrepreneur of the Year (2016, Pacific Northwest).[[1]](https://www.youtube.com/watch?v=aS3nyllRTNo) Recently, on January 5, 2026, he sold 124,998 shares worth approximately $1.95 million under a Rule 10b5-1 plan, retaining 2,584,243 shares.[[5]](https://www.investing.com/news/insider-trading-news/adaptive-biotechnologies-ceo-robins-sells-195-million-in-shares-93CH-4436097) Robins serves on boards including AltPep, AdvaMedDx, HeadLight, and Life Science Washington.[[1]](https://www.youtube.com/watch?v=aS3nyllRTNo)

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Trade Price

$15.85

Quantity

524,998

Total Value

$8,320,613.00

Shares Owned

1,934,247

Trade Date

Friday, February 27, 2026

6 days ago

SEC Filing Date

Tuesday, March 3, 2026

Filed 4 days after trade

HEALTHCAREBIOTECHNOLOGY

About Adaptive Biotechnologies Corp

Company Overview

No company information available
View news mentioning ADPT

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