Form 4 Tracker
Adaptive Biotechnologies Corp
ADPT

71 insider filings · Latest: Oct 14, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Mar 25, 2026Mar 26 11:41 PMJulie RubinsteinPresident and COO
Sale
19,060$14.27$272.0K473,230(D)

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Mar 24, 2026Mar 26 11:41 PMJulie RubinsteinPresident and COO
Sale
19,060$13.70$261.1K477,568(D)

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Mar 23, 2026Mar 23 11:18 PMJulie RubinsteinPresident and COO
Sale
19,060$13.83$263.6K481,906(D)

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Mar 20, 2026Mar 23 11:18 PMJulie RubinsteinPresident and COO
Sale
19,060$13.37$254.8K486,244(D)

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Mar 19, 2026Mar 23 11:18 PMJulie RubinsteinPresident and COO
Sale
19,060$13.18$251.2K490,582(D)

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Mar 18, 2026Mar 18 10:21 PMJulie RubinsteinPresident and COO
Sale
19,060$13.18$251.2K494,920(D)

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Mar 17, 2026Mar 18 10:21 PMJulie RubinsteinPresident and COO
Sale
19,060$13.40$255.4K499,258(D)

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Mar 16, 2026Mar 18 10:21 PMJulie RubinsteinPresident and COO
Sale
19,060$13.41$255.6K503,596(D)

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Mar 11, 2026Mar 17 1:05 AMBOBULSKY SUSAN
Proposed Sale
41,338$14.52$600.2K—

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Mar 11, 2026Mar 17 1:00 AMBENZENO SHARON
Proposed Sale
63,103$14.52$916.3K—

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Mar 11, 2026Mar 17 12:53 AMPISKEL KYLE
Proposed Sale
18,672$14.52$271.1K—

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Mar 11, 2026Mar 17 12:46 AMRUBINSTEIN JULIE
Proposed Sale
122,523$14.52$1.8M—

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Mar 11, 2026Mar 17 12:40 AMROBINS HARLAN S
Proposed Sale
470,266$14.52$6.8M—

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Mar 11, 2026Mar 17 12:33 AMROBINS CHAD M
Proposed Sale
470,167$14.52$6.8M—

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Mar 13, 2026Mar 14 1:36 AMJulie RubinsteinPresident and COO
Sale
19,060$12.96$247.0K507,934(D)

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Mar 12, 2026Mar 14 1:36 AMJulie RubinsteinPresident and COO
Sale
19,060$12.86$245.0K512,272(D)

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Mar 11, 2026Mar 14 1:36 AMJulie RubinsteinPresident and COO
Sale
141,583$13.29$1.9M516,610(D)

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Mar 11, 2026Mar 14 1:05 AMMichelle Renee GriffinDirector
Sale
15,394$13.91$214.1K15,625(D)

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Mar 11, 2026Mar 14 1:02 AMFrancis LOChief People Officer
Sale
30,593$14.08$430.7K291,374(D)

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Mar 11, 2026Mar 14 12:59 AMSusan BobulskyChief Commercial Officer, MRD
Sale
41,338$13.17$544.4K427,775(D)

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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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