RUBINSTEIN JULIE bought ADPT
March 20, 2026 · Form 4 insider transaction
RUBINSTEIN JULIE bought 3,939 shares of Adaptive Biotechnologies Corporation 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.
Direction
Acquired (buy-side)
Shares
3,939
Price
$6.55
Total value
$25.8K
InsiderRUBINSTEIN JULIE
Role—
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateMarch 20, 2026
Filing dateMarch 23, 2026
Shares owned after494,521
OwnershipDirect
10b5-1 planYes
AmendedNo
Footnotes
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.