Julie Rubinstein sold $920K of ADPT stock

Julie Rubinstein, President and COO of Adaptive Biotechnologies Corp (ADPT), sold 35,643 shares of ADPT stock worth $920K, per an SEC Form 4 filed Oct 13, 2026.

The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.

The trade happened on Oct 9, 2026, 4 days before it was made public.

ADPT has moved +5.6% since the trade date, from $26.49 to $27.98 (Nov 6, 2026 close).