Form 4 Tracker
Adaptive Biotechnologies Corp
ADPT

71 insider filings · Latest: Oct 14, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Jun 16, 2026Jun 16 10:04 PMHarlan Robins
Proposed Sale
6,160$17.22$106.1K—

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Jun 11, 2026Jun 15 11:13 PMSusan BobulskyChief Commercial Officer, MRD
Sale
5,000$19.00$95.0K411,775(D)

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Jun 15, 2026Jun 15 10:10 PMHarlan Robins
Proposed Sale
100,000$17.46$1.7M—

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Jun 11, 2026Jun 11 8:37 PMSUSAN BOBULSKY
Proposed Sale
5,000$17.07$85.3K—

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Jun 4, 2026Jun 9 12:29 AMFrancis LOChief People Officer
Sale
39,741$17.49$695.1K250,934(D)

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Jun 4, 2026Jun 9 12:27 AMSusan BobulskyChief Commercial Officer, MRD
Sale
11,000$18.00$198.0K416,775(D)

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Jun 4, 2026Jun 4 8:34 PMSUSAN BOBULSKY
Proposed Sale
11,000$15.99$175.9K—

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Jun 4, 2026Jun 4 8:27 PMFRANCIS LO
Proposed Sale
42,085$15.99$672.9K—

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May 18, 2026May 20 11:13 PMKyle PiskelChief Financial Officer
Sale
3,115$13.04$40.6K256,725(D)

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May 18, 2026May 16 12:03 AMPISKEL KYLE
Proposed Sale
3,160$12.83$40.5K—

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Apr 27, 2026Apr 29 11:08 PMJulie RubinsteinPresident and COO
Sale
19,037$14.23$270.9K377,802(D)

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Apr 24, 2026Apr 24 10:29 PMJulie RubinsteinPresident and COO
Sale
19,060$14.02$267.2K382,132(D)

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Apr 23, 2026Apr 24 10:29 PMJulie RubinsteinPresident and COO
Sale
19,060$13.74$261.9K386,470(D)

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Apr 22, 2026Apr 24 10:29 PMJulie RubinsteinPresident and COO
Sale
19,060$14.13$269.3K390,808(D)

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Apr 21, 2026Apr 21 10:07 PMJulie RubinsteinPresident and COO
Sale
30,941$14.66$453.6K395,146(D)

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Apr 20, 2026Apr 21 10:07 PMJulie RubinsteinPresident and COO
Sale
19,060$14.55$277.3K399,484(D)

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Apr 17, 2026Apr 21 10:07 PMJulie RubinsteinPresident and COO
Sale
19,060$14.57$277.7K403,822(D)

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Apr 16, 2026Apr 16 11:36 PMJulie RubinsteinPresident and COO
Sale
19,060$14.18$270.3K408,160(D)

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Apr 15, 2026Apr 16 11:36 PMJulie RubinsteinPresident and COO
Sale
19,060$14.61$278.5K412,498(D)

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Apr 14, 2026Apr 16 11:36 PMJulie RubinsteinPresident and COO
Sale
19,060$14.56$277.5K416,836(D)

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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)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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