March 16, 2026 · Form 4 insider transaction
RUBINSTEIN JULIE sold 19,060 shares of ADAPTIVE BIOTECHNOLOGIES COR at $13.41 per share, a transaction worth $255.6K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 2 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.; The price reported for this transaction is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.26 to $13.80, inclusive. The reporting person undertakes to provide to Adaptive Biotechnologies Corporation, any security holder of Adaptive Biotechnologies Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in any footnotes to this Form 4.