RUBINSTEIN JULIE sold ADPT
March 11, 2026 · Form 4 insider transaction
RUBINSTEIN JULIE sold 122,523 shares of Adaptive Biotechnologies Corporation at $13.17 per share, a transaction worth $1.61M. The trade was recorded as open-market sale and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Disposed (sell-side)
Shares
122,523
Price
$13.17
Total value
$1.61M
InsiderRUBINSTEIN JULIE
Role—
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateMarch 11, 2026
Filing dateMarch 13, 2026
Shares owned after520,948
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
This transaction represents the number of shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of RSUs. This sale is mandated by Issuer's election under the equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.