Adaptive Biotechnologies Corp (NASDAQ:ADPT) Director Michelle Renee Griffin sold 52,084 shares of common stock on June 25, 2026, for a total value of approximately $1,051,055. The shares were sold at a weighted-average price of $20.18, with individual transactions ranging from $20.00 to $20.55. These transactions were executed under a pre-arranged Rule 10b5-1 trading plan, which Ms. Griffin adopted on November 7, 2025. The timing of the sale comes as the stock trades near its 52-week high of $21.64, following an 81.5% surge over the past year.
The sale followed the exercise of 52,084 stock options, which were fully vested and exercisable. These options were converted into common stock at an exercise price of $7.80 per share, representing an acquisition value of $406,255. Following these transactions, Ms. Griffin directly holds 15,625 shares of Adaptive Biotechnologies Corp common stock.
The company, valued at $3.41 billion, currently appears overvalued according to InvestingPro analysis. For investors seeking deeper insights, InvestingPro offers 15 additional ProTips for ADPT, plus comprehensive Pro Research Reports covering 1,400+ US stocks with expert analysis and actionable intelligence.
In other recent news, Adaptive Biotechnologies Corporation reported impressive financial results for the first quarter of 2026, with revenue reaching $70.9 million, significantly exceeding the forecast of $60.89 million. This strong performance was largely driven by the growth of its Minimal Residual Disease (MRD) business. Additionally, the company announced plans to separate its MRD and Immune Medicine units, aiming to identify a preferred separation path by the end of 2026. In a related development, Adaptive Biotechnologies plans to offer $250 million in convertible senior notes due 2031 in a private placement, with an option for initial purchasers to buy an additional $37.5 million in notes. The notes will be senior, unsecured obligations with interest payable semi-annually. BTIG reiterated a Buy rating and a $22.00 price target for the company, following the announcement of these business updates. The decision to separate its businesses and the upsized convertible notes offering were key factors in BTIG’s continued positive outlook.