March 20, 2026 · Form 4 insider transaction
RUBINSTEIN JULIE bought 3,939 shares of ADAPTIVE BIOTECHNOLOGIES COR at $6.55 per share, a transaction worth $25.8K. The trade was recorded as option exercise under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 3 days after the transaction.
The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 18, 2025.