Form 4 Tracker
Adaptive Biotechnologies Corp
ADPT

71 insider filings · Latest: Oct 14, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Oct 16, 2026Oct 16 11:21 PMJulie RubinsteinPresident and COO
Sale
11,881$24.24$288.0K377,802(D)

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Oct 15, 2026Oct 16 11:21 PMJulie RubinsteinPresident and COO
Sale
11,881$25.61$304.3K377,802(D)

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Oct 14, 2026Oct 16 11:21 PMJulie RubinsteinPresident and COO
Sale
11,881$25.68$305.1K377,802(D)

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Oct 13, 2026Oct 13 11:05 PMJulie RubinsteinPresident and COO
Sale
11,881$25.50$303.0K377,802(D)

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Oct 12, 2026Oct 13 11:05 PMJulie RubinsteinPresident and COO
Sale
11,881$25.51$303.1K377,802(D)

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Oct 9, 2026Oct 13 11:05 PMJulie RubinsteinPresident and COO
Sale
11,881$26.41$313.8K377,802(D)

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Oct 8, 2026Oct 8 10:54 PMJulie RubinsteinPresident and COO
Sale
11,881$25.66$304.9K377,802(D)

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Oct 7, 2026Oct 8 10:54 PMJulie RubinsteinPresident and COO
Sale
11,881$26.40$313.7K377,802(D)

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Oct 6, 2026Oct 8 10:54 PMJulie RubinsteinPresident and COO
Sale
11,881$27.75$329.7K377,802(D)

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Oct 6, 2026Oct 8 10:52 PMSusan BobulskyChief Commercial Officer, MRD
Sale
6,444$30.00$193.3K389,350(D)

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Oct 6, 2026Oct 6 8:22 PMSUSAN BOBULSKY
Proposed Sale
6,444$29.84$192.3K—

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Oct 5, 2026Oct 6 12:15 AMJulie RubinsteinPresident and COO
Sale
11,881$29.19$346.8K377,802(D)

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Oct 2, 2026Oct 6 12:15 AMJulie RubinsteinPresident and COO
Sale
11,881$28.13$334.2K377,802(D)

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Oct 1, 2026Oct 6 12:15 AMJulie RubinsteinPresident and COO
Sale
11,881$28.05$333.3K377,802(D)

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Oct 1, 2026Oct 6 12:12 AMFrancis LOChief People Officer
Sale
26,792$28.28$757.7K220,867(D)

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Oct 1, 2026Oct 1 8:32 PMJULIE RUBINSTEIN
Proposed Sale
379,777$28.90$11.0M—

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Sep 16, 2026Sep 19 12:17 AMFrancis LOChief People Officer
Sale
115,406$28.06$3.2M220,867(D)

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Sep 15, 2026Sep 17 10:50 PMSusan BobulskyChief Commercial Officer, MRD
Sale
1,195$27.00$32.3K395,794(D)

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Sep 16, 2026Sep 16 8:40 PMFRANCIS LO
Proposed Sale
142,198$26.68$3.8M—

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Sep 15, 2026Sep 15 8:35 PMSUSAN BOBULSKY
Proposed Sale
1,195$24.78$29.6K—

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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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