ADPT - Adaptive Biotechnologies Corp

Insider Sale by Griffin Michelle Renee (Dir)

1 Month
After Trade
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Trade Summary

4 days ago, Griffin Michelle Renee, serving as Dir at Adaptive Biotechnologies Corp (ADPT), sold 15,394 shares at $13.91 per share, for a total transaction value of $214,131.00. Following this transaction, Griffin Michelle Renee now holds 15,625 shares of ADPT.

This sale represents a 50.00% decrease in Griffin Michelle Renee'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.

Griffin Michelle Renee

Dir

Michelle Renee Griffin is a corporate director serving on the board of Adaptive Biotechnologies Corp (ADPT), where she recently sold 15,664 shares on March 6, 2025, at $7.94 per share, retaining ownership of 51,685 shares valued at approximately $410,379.[[3]](https://www.insidertrades.com/adaptive-biotechnologies-co-stock/michelle-renee-griffin/)[[1]](https://www.gurufocus.com/insider/29485/michelle-renee-griffin) She also serves on the board of directors of Acer Therapeutics, Inc., including as chair of the audit committee.[[3]](https://www.insidertrades.com/adaptive-biotechnologies-co-stock/michelle-renee-griffin/) Her professional background includes extensive experience in finance and sales, rising from a part-time bank teller to Regional Sales Manager, Vice President, and Branch Manager over a 13-year banking career before a traumatic incident ended it.[[2]](https://michelle-renee.com/about-me/) She holds a degree in Mass Media Communication with an emphasis on PR and Marketing, and founded VERB Media Group, a boutique video, photo, and podcast production agency focused on event and video podcast content.[[2]](https://michelle-renee.com/about-me/)

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Trade Price

$13.91

Quantity

15,394

Total Value

$214,131.00

Shares Owned

15,625

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
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