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ADPT - Adaptive Biotechnologies Corp

Insider Sale by Piskel Kyle (CFO)

1 Month
After Trade
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Trade Summary

4 days ago, Piskel Kyle, serving as CFO at Adaptive Biotechnologies Corp (ADPT), sold 18,672 shares at $13.17 per share, for a total transaction value of $245,910.00. Following this transaction, Piskel Kyle now holds 259,840 shares of ADPT.

This sale represents a 7.00% decrease in Piskel Kyle's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Wednesday, March 11, 2026 and publicly disclosed via SEC Form 4 filing on Friday, March 13, 2026, 2 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.

Piskel Kyle

CFO

Kyle Piskel is the Chief Financial Officer at Adaptive Biotechnologies Corporation (NASDAQ: ADPT), a commercial-stage biotechnology company focused on translating the genetics of the adaptive immune system into clinical products for diagnosing and treating disease.[[1]](https://www.adaptivebiotech.com/adaptive-leadership/kyle-piskel/)[[2]](https://www.adaptivebiotech.com/member_type/leadership/)[[4]](https://www.adaptivebiotech.com/adaptive-leadership/) He joined the company in 2015 and has held roles of increasing responsibility in finance and accounting, including Corporate Controller and Principal Accounting Officer, before assuming the CFO position on April 8, 2024.[[1]](https://www.adaptivebiotech.com/adaptive-leadership/kyle-piskel/)[[2]](https://www.adaptivebiotech.com/member_type/leadership/)[[7]](https://www.bizjournals.com/seattle/news/2024/04/16/adaptive-biotechnologies-cfo-seattle-mrd.html) As a corporate insider, Piskel has engaged in recent share transactions, such as selling 4,290 shares on January 12, 2026, for $77,220 under a Rule 10b5-1 trading plan, and exercising and selling 2,145 shares on February 4, 2026.[[3]](https://www.investing.com/news/insider-trading-news/adaptive-biotechnologies-cfo-piskel-sells-77220-in-shares-93CH-4448509)[[6]](https://www.stocktitan.net/sec-filings/ADPT/form-4-adaptive-biotechnologies-corp-insider-trading-activity-dcf595add94a.html) Prior to Adaptive Biotechnologies, Piskel worked at Expedia Group and Ernst & Young, LLP. He is a Certified Public Accountant (CPA).[[1]](https://www.adaptivebiotech.com/adaptive-leadership/kyle-piskel/)[[2]](https://www.adaptivebiotech.com/member_type/leadership/)

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Trade Price

$13.17

Quantity

18,672

Total Value

$245,910.00

Shares Owned

259,840

Trade Date

Wednesday, March 11, 2026

4 days ago

SEC Filing Date

Friday, March 13, 2026

Filed 2 days after trade

HEALTHCAREBIOTECHNOLOGY

About Adaptive Biotechnologies Corp

Company Overview

No company information available
View news mentioning ADPT

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