Form 4 Tracker
Adaptive Biotechnologies Corp
ADPT

71 insider filings · Latest: Oct 14, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Apr 13, 2026Apr 13 11:44 PMJulie RubinsteinPresident and COO
Sale
19,060$13.15$250.6K421,174(D)

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Apr 10, 2026Apr 13 11:44 PMJulie RubinsteinPresident and COO
Sale
19,060$12.77$243.3K425,512(D)

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Apr 9, 2026Apr 13 11:44 PMJulie RubinsteinPresident and COO
Sale
19,060$13.86$264.2K429,850(D)

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Apr 8, 2026Apr 10 10:52 PMFrancis LOChief People Officer
Sale
22,564$15.07$340.0K271,154(D)

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Apr 8, 2026Apr 10 10:48 PMHarlan S RobinsChief Scientific Officer
Sale
10,000$14.85$148.5K1,512,058(D)

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Apr 8, 2026Apr 8 11:51 PMChad M RobinsDirector, CEO and Chairman
Sale
37,263$15.19$566.0K2,180,518(D)

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Apr 6, 2026Apr 8 11:51 PMChad M RobinsDirector, CEO and Chairman
Sale
83,332$14.41$1.2M2,217,781(D)

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Apr 8, 2026Apr 8 11:48 PMJulie RubinsteinPresident and COO
Sale
30,941$14.83$458.9K434,188(D)

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Apr 7, 2026Apr 8 11:48 PMJulie RubinsteinPresident and COO
Sale
19,060$13.56$258.5K438,526(D)

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Apr 6, 2026Apr 8 11:48 PMJulie RubinsteinPresident and COO
Sale
19,060$14.33$273.1K442,864(D)

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Apr 8, 2026Apr 8 8:58 PMHarlan Robins
Proposed Sale
10,000$14.84$148.4K—

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Apr 8, 2026Apr 8 8:58 PMChad Robins
Proposed Sale
37,263$14.84$553.0K—

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Apr 8, 2026Apr 8 8:33 PMFRANCIS LO
Proposed Sale
22,564$13.71$309.4K—

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Apr 6, 2026Apr 6 9:22 PMChad Robins
Proposed Sale
83,332$14.08$1.2M—

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Apr 2, 2026Apr 2 11:16 PMJulie RubinsteinPresident and COO
Sale
19,060$14.60$278.3K447,202(D)

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Apr 1, 2026Apr 2 11:16 PMJulie RubinsteinPresident and COO
Sale
19,060$14.45$275.4K451,540(D)

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Mar 31, 2026Mar 31 10:56 PMJulie RubinsteinPresident and COO
Sale
19,060$13.45$256.4K455,878(D)

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Mar 30, 2026Mar 31 10:56 PMJulie RubinsteinPresident and COO
Sale
19,060$12.63$240.7K460,216(D)

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Mar 27, 2026Mar 31 10:56 PMJulie RubinsteinPresident and COO
Sale
19,060$13.34$254.2K464,554(D)

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Mar 26, 2026Mar 26 11:41 PMJulie RubinsteinPresident and COO
Sale
19,060$14.12$269.1K468,892(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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