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
Mar 10, 2026Mar 11 12:04 AMJulie RubinsteinPresident and COO
Option Exercise
15,122$12.14403,539(D)

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Mar 9, 2026Mar 11 12:04 AMJulie RubinsteinPresident and COO
Option Exercise
26,603$12.14403,939(D)

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Mar 6, 2026Mar 11 12:04 AMJulie RubinsteinPresident and COO
Option Exercise
26,603$12.14415,820(D)

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Mar 3, 2026Mar 6 1:05 AMMichelle Renee GriffinDirector
Option Exercise
48,044$3.990(D)

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Mar 5, 2026Mar 6 12:42 AMJulie RubinsteinPresident and COO
Option Exercise
26,603$12.14427,701(D)

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Mar 4, 2026Mar 6 12:42 AMJulie RubinsteinPresident and COO
Option Exercise
26,603$12.14439,582(D)

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Mar 3, 2026Mar 6 12:42 AMJulie RubinsteinPresident and COO
Option Exercise
26,603$12.14451,463(D)

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Feb 4, 2026Feb 7 12:30 AMKyle PiskelChief Financial Officer
Option Exercise
2,145$12.142,146(D)

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