Form 4 Tracker
Adaptive Biotechnologies Corp
ADPT

71 insider filings · Latest: Oct 14, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Dec 4, 2025Dec 4 10:15 PMHarlan Robins
Proposed Sale
10,000$17.46$174.6K—

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Dec 4, 2025Dec 4 9:38 PMSHARON BENZENO
Proposed Sale
12,604$17.13$215.9K—

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Dec 3, 2025Dec 3 10:58 PMHarlan Robins
Proposed Sale
27,212$17.13$466.1K—

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Dec 1, 2025Dec 1 11:03 PMChad Robins
Proposed Sale
124,998$18.84$2.4M—

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Nov 28, 2025Nov 28 6:18 PMKYLE PISKEL
Proposed Sale
162,820$19.72$3.2M—

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Nov 26, 2025Nov 26 10:30 PMChad Robins
Proposed Sale
35,736$19.72$704.7K—

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Nov 21, 2025Nov 24 9:58 PMBENZENO SHARON
Proposed Sale
308,477$16.32$5.0M—

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Nov 21, 2025Nov 21 9:45 PMSHARON BENZENO
Proposed Sale
308,837$16.32$5.0M—

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Nov 20, 2025Nov 20 9:25 PMSHARON BENZENO
Proposed Sale
201,993$15.15$3.1M—

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Nov 19, 2025Nov 19 9:22 PMSHARON BENZENO
Proposed Sale
95,932$13.75$1.3M—

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Nov 12, 2025Nov 12 9:58 PMChad Robins
Proposed Sale
1,876$14.50$27.2K—

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Nov 11, 2025Nov 12 1:09 PMChad Robins
Proposed Sale
1,237$14.53$18.0K—

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Nov 10, 2025Nov 10 11:48 PMChad Robins
Proposed Sale
86,161$14.71$1.3M—

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Nov 10, 2025Nov 10 11:48 PMHarlan Robins
Proposed Sale
10,000$14.71$147.1K—

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May 1, 2025May 1 9:38 PMHarlan Robins
Proposed Sale
68,412$7.36$503.5K—

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Mar 24, 2025Mar 24 9:45 PMHarlan Robins
Proposed Sale
1,698$8.66$14.7K—

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Mar 13, 2025Mar 13 9:28 PMGRIFFIN MICHELLE RENEE
Proposed Sale
36,291$7.19$260.9K—

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Mar 12, 2025Mar 12 9:30 PMHERSHBERG ROBERT
Proposed Sale
53,000$7.59$402.3K—

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Mar 10, 2025Mar 10 6:48 PMNEUPERT PETER M
Proposed Sale
10,000$7.05$70.5K—

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Mar 6, 2025Mar 6 9:10 PMMICHELLE GRIFFIN
Proposed Sale
15,664$7.94$124.4K—

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Oct 16, 2026Oct 16 11:21 PMJulie RubinsteinPresident and COO
Option Exercise
11,881$12.14237,205(D)

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Oct 15, 2026Oct 16 11:21 PMJulie RubinsteinPresident and COO
Option Exercise
11,881$12.14249,086(D)

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Oct 14, 2026Oct 16 11:21 PMJulie RubinsteinPresident and COO
Option Exercise
11,881$12.14260,967(D)

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Oct 13, 2026Oct 13 11:05 PMJulie RubinsteinPresident and COO
Option Exercise
11,881$12.14272,848(D)

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Oct 12, 2026Oct 13 11:05 PMJulie RubinsteinPresident and COO
Option Exercise
11,881$12.14284,729(D)

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Oct 9, 2026Oct 13 11:05 PMJulie RubinsteinPresident and COO
Option Exercise
11,881$12.14296,610(D)

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Oct 8, 2026Oct 8 10:54 PMJulie RubinsteinPresident and COO
Option Exercise
11,881$12.14308,491(D)

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Oct 7, 2026Oct 8 10:54 PMJulie RubinsteinPresident and COO
Option Exercise
11,881$12.14320,372(D)

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Oct 6, 2026Oct 8 10:54 PMJulie RubinsteinPresident and COO
Option Exercise
11,881$12.14332,253(D)

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Oct 5, 2026Oct 6 12:15 AMJulie RubinsteinPresident and COO
Option Exercise
11,881$12.14344,134(D)

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Oct 2, 2026Oct 6 12:15 AMJulie RubinsteinPresident and COO
Option Exercise
11,881$12.14356,015(D)

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Oct 1, 2026Oct 6 12:15 AMJulie RubinsteinPresident and COO
Option Exercise
11,881$12.14367,896(D)

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Oct 1, 2026Oct 6 12:12 AMFrancis LOChief People Officer
Option Exercise
26,792$8.4693,765(D)

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Sep 16, 2026Sep 19 12:17 AMFrancis LOChief People Officer
Option Exercise
105,560$12.14103,142(D)

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Aug 18, 2026Aug 20 9:55 PMRobert HershbergDirector
Option Exercise
15,000$6.320(D)

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Aug 18, 2026Aug 20 12:15 AMChad M RobinsDirector, CEO and Chairman
Option Exercise
278,676$6.550(D)

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Aug 17, 2026Aug 20 12:15 AMChad M RobinsDirector, CEO and Chairman
Option Exercise
321,324$6.55278,676(D)

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Aug 17, 2026Aug 20 12:07 AMPeter M NeupertDirector
Option Exercise
15,000$6.320(D)

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Jul 21, 2026Jul 23 11:34 PMHarlan S RobinsChief Scientific Officer
Option Exercise
284,800$6.550(D)

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Jul 15, 2026Jul 17 11:23 PMFrancis LOChief People Officer
Option Exercise
105,762$12.1437,511(D)

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