Form 4 Tracker
Chad M Robins

Director, CEO and Chairman · 6 filings · Latest: Aug 17, 2026

Adaptive Biotechnologies Corp
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
ADPT
Chad M RobinsDirector, CEO and ChairmanAug 18, 2026
Sale
$24.48278,676$6.8M2,180,518
ADPT
Chad M RobinsDirector, CEO and ChairmanAug 18, 2026
Option Exercise
$6.55278,676$1.8M2,459,194
ADPT
Chad M RobinsDirector, CEO and ChairmanAug 17, 2026
Sale
$25.08321,324$8.1M2,180,518
ADPT
Chad M RobinsDirector, CEO and ChairmanAug 17, 2026
Option Exercise
$6.55321,324$2.1M2,501,842
ADPT
Chad Robins—Aug 18, 2026
Proposed Sale
$24.56278,676$6.8M—
ADPT
Chad Robins—Aug 17, 2026
Proposed Sale
$24.77321,324$8.0M—
ADPT
Chad M RobinsDirector, CEO and ChairmanApr 8, 2026
Sale
$15.1937,263$566.0K2,180,518
ADPT
Chad M RobinsDirector, CEO and ChairmanApr 6, 2026
Sale
$14.4183,332$1.2M2,217,781
ADPT
Chad Robins—Apr 8, 2026
Proposed Sale
$14.8437,263$553.0K—
ADPT
Chad Robins—Apr 6, 2026
Proposed Sale
$14.0883,332$1.2M—
ADPT
ROBINS CHAD M—Mar 11, 2026
Proposed Sale
$14.52470,167$6.8M—
ADPT
Chad M RobinsDirector, CEO and ChairmanMar 11, 2026
Sale
$13.17470,167$6.2M2,301,113
ADPT
Chad M RobinsDirector, CEO and ChairmanMar 3, 2026
Sale
$15.5253,083$823.8K1,934,247
ADPT
Chad M RobinsDirector, CEO and ChairmanMar 2, 2026
Sale
$15.82289,024$4.6M1,987,330
ADPT
Chad M RobinsDirector, CEO and ChairmanFeb 27, 2026
Sale
$15.99182,891$2.9M2,276,354
ADPT
Chad Robins—Mar 3, 2026
Proposed Sale
$16.0853,083$853.6K—
ADPT
Chad Robins—Mar 2, 2026
Proposed Sale
$16.12289,024$4.7M—
ADPT
Chad Robins—Feb 27, 2026
Proposed Sale
$16.02182,891$2.9M—
ADPT
Chad M RobinsDirector, CEO and ChairmanFeb 2, 2026
Sale
$18.44124,998$2.3M2,459,245
ADPT
Chad Robins—Feb 2, 2026
Proposed Sale
$18.39124,998$2.3M—

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