ROBINS HARLAN S bought ADPT
July 21, 2026 · Form 4 insider transaction
ROBINS HARLAN S bought 284,800 shares of Adaptive Biotechnologies Corporation at $6.55 per share, a transaction worth $1.87M. The trade was recorded as option exercise under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Acquired (buy-side)
Shares
284,800
Price
$6.55
Total value
$1.87M
InsiderROBINS HARLAN S
Role—
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateJuly 21, 2026
Filing dateJuly 23, 2026
Shares owned after1,304,458
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 March 13, 2026.