Form 4 Tracker
Adaptive Biotechnologies Corp
ADPT

71 insider filings · Latest: Oct 14, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Mar 3, 2026Mar 3 9:59 PMHarlan Robins
Proposed Sale
14,233$16.08$228.9K—

View →

Mar 3, 2026Mar 3 9:59 PMChad Robins
Proposed Sale
53,083$16.08$853.6K—

View →

Mar 3, 2026Mar 3 9:50 PMJULIE RUBINSTEIN
Proposed Sale
1,206,661$16.12$19.5M—

View →

Mar 3, 2026Mar 3 9:50 PMMICHELLE GRIFFIN
Proposed Sale
48,044$16.12$774.5K—

View →

Mar 2, 2026Mar 2 10:24 PMHarlan Robins
Proposed Sale
10,000$16.12$161.2K—

View →

Mar 2, 2026Mar 2 10:24 PMChad Robins
Proposed Sale
289,024$16.12$4.7M—

View →

Feb 27, 2026Feb 27 9:47 PMChad Robins
Proposed Sale
182,891$16.02$2.9M—

View →

Feb 4, 2026Feb 7 12:30 AMKyle PiskelChief Financial Officer
Sale
2,145$18.46$39.6K216,637(D)

View →

Feb 3, 2026Feb 5 12:48 AMHarlan S RobinsChief Scientific Officer
Sale
8,120$19.00$154.3K1,179,524(D)

View →

Feb 2, 2026Feb 5 12:48 AMHarlan S RobinsChief Scientific Officer
Sale
34,668$18.60$644.8K1,187,644(D)

View →

Feb 2, 2026Feb 5 12:37 AMChad M RobinsDirector, CEO and Chairman
Sale
124,998$18.44$2.3M2,459,245(D)

View →

Feb 3, 2026Feb 3 10:09 PMHarlan Robins
Proposed Sale
8,120$18.50$150.2K—

View →

Feb 2, 2026Feb 2 10:26 PMHarlan Robins
Proposed Sale
34,668$18.39$637.5K—

View →

Feb 2, 2026Feb 2 10:24 PMChad Robins
Proposed Sale
124,998$18.39$2.3M—

View →

Jan 12, 2026Jan 12 9:27 PMFRANCIS LO
Proposed Sale
64,293$15.76$1.0M—

View →

Jan 12, 2026Jan 12 9:26 PMKYLE PISKEL
Proposed Sale
11,081$15.76$174.6K—

View →

Jan 6, 2026Jan 6 9:57 PMHarlan Robins
Proposed Sale
10,000$16.11$161.1K—

View →

Jan 5, 2026Jan 5 11:22 PMChad Robins
Proposed Sale
124,998$16.17$2.0M—

View →

Dec 15, 2025Dec 15 9:24 PMFRANCIS LO
Proposed Sale
136,706$15.44$2.1M—

View →

Dec 10, 2025Dec 10 9:03 PMROBERT M HERSHBERG
Proposed Sale
22,968$16.00$367.5K—

View →

Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Apr 8, 2026Apr 8 11:48 PMJulie RubinsteinPresident and COO
Option Exercise
26,603$12.14391,658(D)

View →

Apr 7, 2026Apr 8 11:48 PMJulie RubinsteinPresident and COO
Option Exercise
14,722$7.2752,275(D)

View →

Apr 6, 2026Apr 8 11:48 PMJulie RubinsteinPresident and COO
Option Exercise
14,722$7.2766,997(D)

View →

Apr 2, 2026Apr 2 11:16 PMJulie RubinsteinPresident and COO
Option Exercise
14,722$7.2781,719(D)

View →

Apr 1, 2026Apr 2 11:16 PMJulie RubinsteinPresident and COO
Option Exercise
14,722$7.2796,441(D)

View →

Mar 31, 2026Mar 31 10:56 PMJulie RubinsteinPresident and COO
Option Exercise
14,722$7.27111,163(D)

View →

Mar 30, 2026Mar 31 10:56 PMJulie RubinsteinPresident and COO
Option Exercise
14,722$7.27125,885(D)

View →

Mar 27, 2026Mar 31 10:56 PMJulie RubinsteinPresident and COO
Option Exercise
14,722$7.27140,607(D)

View →

Mar 26, 2026Mar 26 11:41 PMJulie RubinsteinPresident and COO
Option Exercise
14,722$7.27155,329(D)

View →

Mar 25, 2026Mar 26 11:41 PMJulie RubinsteinPresident and COO
Option Exercise
14,722$7.27170,051(D)

View →

Mar 24, 2026Mar 26 11:41 PMJulie RubinsteinPresident and COO
Option Exercise
14,722$7.27184,773(D)

View →

Mar 23, 2026Mar 23 11:18 PMJulie RubinsteinPresident and COO
Option Exercise
14,722$7.27199,495(D)

View →

Mar 20, 2026Mar 23 11:18 PMJulie RubinsteinPresident and COO
Option Exercise
14,722$7.27214,217(D)

View →

Mar 19, 2026Mar 23 11:18 PMJulie RubinsteinPresident and COO
Option Exercise
14,722$6.553,939(D)

View →

Mar 18, 2026Mar 18 10:21 PMJulie RubinsteinPresident and COO
Option Exercise
14,722$6.5518,661(D)

View →

Mar 17, 2026Mar 18 10:21 PMJulie RubinsteinPresident and COO
Option Exercise
14,722$6.5533,383(D)

View →

Mar 16, 2026Mar 18 10:21 PMJulie RubinsteinPresident and COO
Option Exercise
14,722$6.5548,105(D)

View →

Mar 13, 2026Mar 14 1:36 AMJulie RubinsteinPresident and COO
Option Exercise
14,722$6.5562,827(D)

View →

Mar 12, 2026Mar 14 1:36 AMJulie RubinsteinPresident and COO
Option Exercise
14,722$6.5577,549(D)

View →

Mar 11, 2026Mar 14 1:36 AMJulie RubinsteinPresident and COO
Option Exercise
14,722$6.5592,271(D)

View →