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Adaptive Biotechnologies Corp. planned insider sales

In the last twelve months insiders at Adaptive Biotechnologies Corp. filed 72 Form 144 notices of planned sales, 8.8 million shares worth $171.4 million at the time of filing, from 18 sellers. The latest, filed 6 October 2026: Susan Bobulsky (officer), 6,444 shares worth $192,289, planned for around 6 October 2026 through Morgan Stanley Smith Barney LLC Executive Financial Services.

FiledSellerRelationshipSharesValuePlanned saleSold, per Form 4BrokerHow acquiredFiling
6 October 2026Susan BobulskyOfficer6,444$192,2896 October 20266,444 shares from 6 October 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
1 October 2026Julie RubinsteinOfficer379,777$11.0 million1 October 2026213,858 shares from 1 October 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
16 September 2026Francis LoOfficer142,198$3.8 million16 September 2026142,198 shares from 16 September 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock Options; Restricted Stock UnitsForm 144
15 September 2026Susan BobulskyOfficer1,195$29,61215 September 20261,195 shares from 15 September 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
26 August 2026Katherine E OwenDirector9,615$249,99026 August 20269,615 shares from 26 August 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
20 August 2026Harlan RobinsFormer Officer402,160$10.2 million20 August 2026None on Form 4 yetGoldman Sachs & Co. LLCStock OptionsForm 144
19 August 2026Harlan RobinsFormer Officer215,632$5.5 million19 August 2026None on Form 4 yetGoldman Sachs & Co. LLCStock OptionsForm 144
18 August 2026Robert M HershbergDirector30,664$748,30318 August 202630,664 shares from 18 August 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock; Stock Option ExerciseForm 144
18 August 2026Harlan RobinsFormer Officer261,044$6.4 million18 August 2026None on Form 4 yetGoldman Sachs & Co. LLCStock OptionsForm 144
18 August 2026Chad RobinsOfficer278,676$6.8 million18 August 2026600,000 shares from 17 August 2026Goldman Sachs & Co. LLCStock OptionsForm 144
17 August 2026Peter NeupertDirector124,690$3.1 million17 August 2026124,690 shares from 17 August 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercised Shares; Restricted Stock; Stock Option ExerciseForm 144
17 August 2026Harlan RobinsFormer Officer300,992$7.5 million17 August 2026None on Form 4 yetGoldman Sachs & Co. LLCPerformance Awards; Stock OptionsForm 144
17 August 2026Chad RobinsOfficer321,324$8.0 million17 August 2026None on Form 4 yetGoldman Sachs & Co. LLCStock OptionsForm 144
10 August 2026Susan BobulskyOfficer3,000$74,79010 August 20263,000 shares from 10 August 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
30 July 2026Susan BobulskyOfficer1,299$29,30530 July 20261,299 shares from 30 July 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
21 July 2026Harlan RobinsOfficer492,400$11.1 million21 July 2026492,400 shares from 21 July 2026Goldman Sachs & Co. LLCPerformance Awards; Stock OptionsForm 144
16 July 2026Susan BobulskyOfficer5,000$114,50016 July 20265,000 shares from 16 July 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesPreviously Exercised Stock OptionsForm 144
2 July 2026Harlan RobinsOfficer386,240$8.2 million2 July 2026386,240 shares from 2 July 2026Goldman Sachs & Co. LLCPerformance Awards; Restricted Stock UnitsForm 144
1 July 2026Susan BobulskyOfficer487$10,4461 July 2026487 shares from 1 July 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
1 July 2026Francis LoOfficer199,260$4.3 million1 July 2026201,604 shares from 1 July 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock Options; Restricted Stock UnitsForm 144
29 June 2026Sharon BenzenoOfficer152,931$3.2 million29 June 2026154,768 shares from 29 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock Options; Restricted Stock UnitsForm 144
26 June 2026Sharon BenzenoOfficer12,871$260,63826 June 202611,034 shares from 26 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
25 June 2026Susan BobulskyOfficer5,000$96,70025 June 20265,000 shares from 25 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesPreviously Exercised Stock OptionsForm 144
25 June 2026Michelle GriffinDirector52,084$1.0 million25 June 202652,084 shares from 25 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
16 June 2026Harlan RobinsOfficer6,160$106,07516 June 2026106,160 shares from 15 June 2026Goldman Sachs & Co. LLCPerformance AwardsForm 144
15 June 2026Harlan RobinsOfficer100,000$1.7 million15 June 2026No matching Form 4 saleGoldman Sachs & Co. LLCPerformance AwardsForm 144
11 June 2026Susan BobulskyOfficer5,000$85,35011 June 20265,000 shares from 11 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesPreviously Exercised Stock OptionsForm 144
4 June 2026Susan BobulskyOfficer11,000$175,8904 June 202611,000 shares from 4 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesPreviously Exercised Stock Options; Restricted Stock UnitsForm 144
4 June 2026Francis LoOfficer42,085$672,9394 June 202639,741 shares from 4 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock Options; Restricted Stock UnitsForm 144
15 May 2026Piskel KyleOfficer3,160$40,54318 May 20263,115 shares from 18 May 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
8 April 2026Harlan RobinsOfficer10,000$148,4008 April 202610,000 shares from 8 April 2026Goldman Sachs & Co. LLCRestricted Stock UnitsForm 144
8 April 2026Francis LoOfficer22,564$309,3528 April 202622,564 shares from 8 April 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock Options; Restricted Stock UnitsForm 144
8 April 2026Chad RobinsOfficer37,263$552,9838 April 202637,263 shares from 8 April 2026Goldman Sachs & Co. LLCFounder's SharesForm 144
6 April 2026Chad RobinsOfficer83,332$1.2 million6 April 202683,332 shares from 6 April 2026Goldman Sachs & Co. LLCFounder's SharesForm 144
16 March 2026Piskel KyleOfficer18,672$271,11711 March 2026No matching Form 4 saleMorgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
16 March 2026Bobulsky SusanOfficer41,338$600,22811 March 2026No matching Form 4 saleMorgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
16 March 2026Benzeno SharonOfficer63,103$916,25611 March 2026No matching Form 4 saleMorgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
16 March 2026Rubinstein JulieOfficer122,523$1.8 million11 March 2026595,539 shares from 16 March 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
16 March 2026Robins Chad MOfficer, Director470,167$6.8 million11 March 2026No matching Form 4 saleMorgan Stanley Smith Barney LLCPerformance Stock Units; Restricted Stock UnitForm 144
16 March 2026Robins Harlan SOfficer470,266$6.8 million11 March 2026No matching Form 4 saleMorgan Stanley Smith Barney LLC Executive Financial ServicesPerformance Stock Units; Restricted Stock UnitsForm 144
11 March 2026Michelle GriffinDirector15,394$214,09711 March 202615,394 shares from 11 March 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
11 March 2026Francis LoOfficer30,593$444,21011 March 202630,593 shares from 11 March 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
10 March 2026Lo FrancisOfficer38,074$625,9375 March 2026No matching Form 4 saleMorgan Stanley Smith Barney LLC Executive Financial ServicesRSUForm 144
3 March 2026Harlan RobinsOfficer14,233$228,8673 March 2026494,499 shares from 2 March 2026Goldman Sachs & Co. LLCRestricted Stock UnitsForm 144
3 March 2026Michelle GriffinDirector48,044$774,4693 March 202648,044 shares from 3 March 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
3 March 2026Chad RobinsOfficer53,083$853,5753 March 2026812,274 shares from 2 March 2026Goldman Sachs & Co. LLCFounder's SharesForm 144
3 March 2026Julie RubinsteinOfficer1,206,661$19.5 million3 March 2026353,868 shares from 3 March 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock Options; Restricted Stock UnitsForm 144
2 March 2026Harlan RobinsOfficer10,000$161,2002 March 2026No matching Form 4 saleGoldman Sachs & Co. LLCRestricted Stock UnitsForm 144
2 March 2026Chad RobinsOfficer289,024$4.7 million2 March 2026No matching Form 4 saleGoldman Sachs & Co. LLCFounder's SharesForm 144
27 February 2026Chad RobinsOfficer182,891$2.9 million27 February 2026182,891 shares from 27 February 2026Goldman Sachs & Co. LLCFounder's SharesForm 144
3 February 2026Harlan RobinsOfficer8,120$150,2203 February 202642,788 shares from 2 February 2026Goldman Sachs & Co. LLCRestricted Stock UnitsForm 144
2 February 2026Harlan RobinsOfficer34,668$637,5452 February 2026No matching Form 4 saleGoldman Sachs & Co. LLCRestricted Stock UnitsForm 144
2 February 2026Chad RobinsOfficer124,998$2.3 million2 February 2026124,998 shares from 2 February 2026Goldman Sachs & Co. LLCPerformance Awards; Founder's SharesForm 144
12 January 2026Kyle PiskelOfficer11,081$174,63712 January 202625,107 shares from 12 January 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock Options; Previously Exercised Stock OptionsForm 144
12 January 2026Francis LoOfficer64,293$1.0 million12 January 2026117,664 shares from 12 January 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
6 January 2026Harlan RobinsOfficer10,000$161,1006 January 202610,000 shares from 6 January 2026Goldman Sachs & Co. LLCRestricted Stock UnitsForm 144
5 January 2026Chad RobinsOfficer124,998$2.0 million5 January 2026124,998 shares from 5 January 2026Goldman Sachs & Co. LLCAcquired as compensation - Performance Stock Units; Restricted Stock UnitsForm 144
15 December 2025Francis LoOfficer136,706$2.1 million15 December 2025121,409 shares from 15 December 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock Options; Restricted Stock UnitsForm 144
10 December 2025Robert M HershbergDirector22,968$367,48810 December 202522,968 shares from 10 December 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
4 December 2025Harlan RobinsOfficer10,000$174,6004 December 202537,212 shares from 3 December 2025Goldman Sachs & Co. LLCRestricted Stock UnitsForm 144
4 December 2025Sharon BenzenoOfficer12,604$215,9074 December 202512,604 shares from 4 December 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
3 December 2025Harlan RobinsOfficer27,212$466,1423 December 2025No matching Form 4 saleGoldman Sachs & Co. LLCRestricted Stock UnitsForm 144
1 December 2025Chad RobinsOfficer124,998$2.4 million1 December 2025124,998 shares from 1 December 2025Goldman Sachs & Co. LLCRestricted Stock UnitsForm 144
28 November 2025Kyle PiskelOfficer162,820$3.2 million28 November 2025162,820 shares from 28 November 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock Options; Restricted Stock UnitsForm 144
26 November 2025Chad RobinsOfficer35,736$704,71426 November 202535,736 shares from 26 November 2025Goldman Sachs & Co. LLCRestricted Stock UnitsForm 144
21 November 2025Sharon BenzenoOfficer308,837$5.0 million21 November 2025606,402 shares from 20 November 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
20 November 2025Sharon BenzenoOfficer201,993$3.1 million20 November 2025No matching Form 4 saleMorgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
19 November 2025Sharon BenzenoOfficer95,932$1.3 million19 November 2025No matching Form 4 saleMorgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
12 November 2025Chad RobinsOfficer1,237$17,97411 November 2025No matching Form 4 saleGoldman Sachs & Co. LLCRestricted Stock UnitsForm 144
12 November 2025Chad RobinsOfficer1,876$27,20212 November 20253,104 shares from 11 November 2025Goldman Sachs & Co. LLCRestricted Stock UnitsForm 144
10 November 2025Harlan RobinsOfficer10,000$147,10010 November 202510,000 shares from 10 November 2025Goldman Sachs & Co. LLCRestricted Stock UnitsForm 144
10 November 2025Chad RobinsOfficer86,161$1.3 million10 November 202586,161 shares from 10 November 2025Goldman Sachs & Co. LLCRestricted Stock UnitsForm 144
A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was.
Read moreValue is the filer's own aggregate market value. Sold, per Form 4: the same seller's open-market sales on Form 4 from the notice's date to 90 days after, added up, as they appear on the insiders page; a holder who files no Form 4, such as some large holders, never shows one. What is a Form 144?