Harlan Robins plan to sell securities of Adaptive Biotechnologies Corporation under Form 144

Harlan Robins filed Form 144 to notify SEC of plan to sell 386240 units of Adaptive Biotechnologies Corporation securities around 2026-07-02, with aggregate market value of $8,184,425.60. The total outstanding units is 160044392.0. The amount planned to be sold represents 0.24% of total outstanding units; Recent transactions in past 3 months include: On 06/15/2026, sold 100000 units for $1737460.00; On 06/16/2026, sold 6160 units for $110945.91; On 04/08/2026, sold 10000 units for $148323.94;