Form 4 Tracker
Adaptive Biotechnologies Corp
ADPT

71 insider filings · Latest: Oct 14, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Jul 16, 2026Jul 20 11:19 PMSusan BobulskyChief Commercial Officer, MRD
Sale
5,000$23.00$115.0K401,288(D)

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Jul 15, 2026Jul 17 11:23 PMFrancis LOChief People Officer
Sale
105,762$22.59$2.4M230,713(D)

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Jul 16, 2026Jul 16 8:34 PMSUSAN BOBULSKY
Proposed Sale
5,000$22.90$114.5K—

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Jul 2, 2026Jul 7 10:52 PMHarlan S RobinsChief Scientific Officer
Sale
386,240$22.01$8.5M1,019,658(D)

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Jul 2, 2026Jul 6 11:19 PMFrancis LOChief People Officer
Sale
44,838$22.59$1.0M230,713(D)

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Jul 1, 2026Jul 6 11:19 PMFrancis LOChief People Officer
Sale
51,004$22.45$1.1M237,688(D)

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Jul 1, 2026Jul 6 11:15 PMSusan BobulskyChief Commercial Officer, MRD
Sale
487$22.00$10.7K406,288(D)

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Jul 2, 2026Jul 2 9:43 PMHarlan Robins
Proposed Sale
386,240$21.19$8.2M—

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Jul 1, 2026Jul 1 8:35 PMFRANCIS LO
Proposed Sale
199,260$21.45$4.3M—

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Jul 1, 2026Jul 1 8:16 PMSUSAN BOBULSKY
Proposed Sale
487$21.45$10.4K—

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Jun 29, 2026Jun 30 11:25 PMSharon BenzenoChief Commercial Ofc Imm Med
Sale
154,768$21.14$3.3M221,278(D)

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Jun 26, 2026Jun 30 11:25 PMSharon BenzenoChief Commercial Ofc Imm Med
Sale
11,034$21.00$231.7K272,751(D)

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Jun 25, 2026Jun 29 11:52 PMSusan BobulskyChief Commercial Officer, MRD
Sale
5,000$20.50$102.5K406,775(D)

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Jun 25, 2026Jun 29 11:49 PMMichelle Renee GriffinDirector
Sale
52,084$20.18$1.1M15,625(D)

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Jun 29, 2026Jun 29 8:48 PMSHARON BENZENO
Proposed Sale
152,931$20.96$3.2M—

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Jun 26, 2026Jun 26 8:42 PMSHARON BENZENO
Proposed Sale
12,871$20.25$260.6K—

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Jun 25, 2026Jun 25 8:26 PMSUSAN BOBULSKY
Proposed Sale
5,000$19.34$96.7K—

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Jun 25, 2026Jun 25 8:26 PMMICHELLE GRIFFIN
Proposed Sale
52,084$19.34$1.0M—

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Jun 16, 2026Jun 18 12:11 AMHarlan S RobinsChief Scientific Officer
Sale
6,160$18.01$110.9K1,405,898(D)

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Jun 15, 2026Jun 18 12:11 AMHarlan S RobinsChief Scientific Officer
Sale
100,000$17.37$1.7M1,412,058(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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