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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Page 1 of 10

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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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