Form 4 Tracker
Adaptive Biotechnologies Corp
ADPT

42 insider filings · Latest: Apr 27, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Feb 2, 2026Feb 5 12:37 AMChad M RobinsDirector, CEO and Chairman
Sale
124,998$18.44$2.3M2,459,245(D)

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Feb 3, 2026Feb 3 10:09 PMHarlan Robins
Proposed Sale
8,120$18.50$150.2K

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Feb 2, 2026Feb 2 10:26 PMHarlan Robins
Proposed Sale
34,668$18.39$637.5K

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Feb 2, 2026Feb 2 10:24 PMChad Robins
Proposed Sale
124,998$18.39$2.3M

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Jan 12, 2026Jan 12 9:27 PMFRANCIS LO
Proposed Sale
64,293$15.76$1.0M

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Jan 12, 2026Jan 12 9:26 PMKYLE PISKEL
Proposed Sale
11,081$15.76$174.6K

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Jan 6, 2026Jan 6 9:57 PMHarlan Robins
Proposed Sale
10,000$16.11$161.1K

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Jan 5, 2026Jan 5 11:22 PMChad Robins
Proposed Sale
124,998$16.17$2.0M

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Dec 15, 2025Dec 15 9:24 PMFRANCIS LO
Proposed Sale
136,706$15.44$2.1M

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Dec 10, 2025Dec 10 9:03 PMROBERT M HERSHBERG
Proposed Sale
22,968$16.00$367.5K

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Dec 4, 2025Dec 4 10:15 PMHarlan Robins
Proposed Sale
10,000$17.46$174.6K

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Dec 4, 2025Dec 4 9:38 PMSHARON BENZENO
Proposed Sale
12,604$17.13$215.9K

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Dec 3, 2025Dec 3 10:58 PMHarlan Robins
Proposed Sale
27,212$17.13$466.1K

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Dec 1, 2025Dec 1 11:03 PMChad Robins
Proposed Sale
124,998$18.84$2.4M

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Nov 28, 2025Nov 28 6:18 PMKYLE PISKEL
Proposed Sale
162,820$19.72$3.2M

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Nov 26, 2025Nov 26 10:30 PMChad Robins
Proposed Sale
35,736$19.72$704.7K

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Nov 21, 2025Nov 24 9:58 PMBENZENO SHARON
Proposed Sale
308,477$16.32$5.0M

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Nov 21, 2025Nov 21 9:45 PMSHARON BENZENO
Proposed Sale
308,837$16.32$5.0M

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Nov 20, 2025Nov 20 9:25 PMSHARON BENZENO
Proposed Sale
201,993$15.15$3.1M

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Nov 19, 2025Nov 19 9:22 PMSHARON BENZENO
Proposed Sale
95,932$13.75$1.3M

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Apr 27, 2026Apr 29 11:08 PMJulie RubinsteinPresident and COO
Option Exercise
14,707$8.4645,731(D)

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Apr 24, 2026Apr 24 10:29 PMJulie RubinsteinPresident and COO
Option Exercise
14,722$8.4660,438(D)

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Apr 23, 2026Apr 24 10:29 PMJulie RubinsteinPresident and COO
Option Exercise
14,722$8.4675,160(D)

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Apr 22, 2026Apr 24 10:29 PMJulie RubinsteinPresident and COO
Option Exercise
14,722$8.4689,882(D)

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Apr 21, 2026Apr 21 10:07 PMJulie RubinsteinPresident and COO
Option Exercise
26,603$12.14379,777(D)

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Apr 20, 2026Apr 21 10:07 PMJulie RubinsteinPresident and COO
Option Exercise
14,722$8.46119,326(D)

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Apr 17, 2026Apr 21 10:07 PMJulie RubinsteinPresident and COO
Option Exercise
14,722$8.46134,048(D)

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Apr 16, 2026Apr 16 11:36 PMJulie RubinsteinPresident and COO
Option Exercise
14,722$8.46148,770(D)

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Apr 15, 2026Apr 16 11:36 PMJulie RubinsteinPresident and COO
Option Exercise
14,722$8.46163,492(D)

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Apr 14, 2026Apr 16 11:36 PMJulie RubinsteinPresident and COO
Option Exercise
14,722$8.46178,214(D)

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Apr 13, 2026Apr 13 11:44 PMJulie RubinsteinPresident and COO
Option Exercise
14,722$8.46192,936(D)

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Apr 10, 2026Apr 13 11:44 PMJulie RubinsteinPresident and COO
Option Exercise
14,722$7.278,109(D)

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Apr 9, 2026Apr 13 11:44 PMJulie RubinsteinPresident and COO
Option Exercise
14,722$7.2722,831(D)

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Apr 8, 2026Apr 10 10:52 PMFrancis LOChief People Officer
Option Exercise
2,344$3.9988,297(D)

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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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