Form 4 Filing for LO FRANCIS - Adaptive Biotechnologies Corp

This filing details stock transactions by LO FRANCIS, Chief People Officer of Adaptive Biotechnologies Corp, on July 1st and 2nd, 2026. The transactions were executed under a Rule 10b5-1 trading plan. Francis acquired a total of 79,398 shares of Common Stock across multiple transactions with prices ranging from $3.99 to $12.14. Additionally, 95,842 shares were disposed of, with sales occurring at weighted average prices between $21.48 and $22.79. Derivative transactions included the exercise of stock options, with 95,842 options exercised. Post-transaction, Francis directly owns 230,713 shares of Common Stock. There is also a reported indirect ownership of 2,500 shares by You Jin Lee (spouse).