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Personalis, Inc. planned insider sales

In the last twelve months insiders at Personalis, Inc. filed 10 Form 144 notices of planned sales, 678,700 shares worth $8.1 million at the time of filing, from 5 sellers. The latest, filed 15 July 2026: Richard Chen (officer), 100,000 shares worth $1.5 million, planned for around 15 July 2026 through Morgan Stanley Smith Barney LLC Executive Financial Services.

FiledSellerRelationshipSharesValuePlanned saleSold, per Form 4BrokerHow acquiredFiling
15 July 2026Richard ChenOfficer100,000$1.5 million15 July 2026103,998 shares from 15 July 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
9 July 2026Chris HallDirector, Officer100,000$1.4 million9 July 2026107,459 shares from 9 July 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
29 June 2026Aaron TachibanaOfficer4,982$64,86629 June 20267,913 shares from 29 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
26 June 2026Aaron TachibanaOfficer51,251$645,25026 June 202651,251 shares from 26 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
26 June 2026Chris HallDirector, Officer100,000$1.3 million26 June 2026100,000 shares from 26 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
4 June 2026Aaron TachibanaOfficer40,000$431,2004 June 202640,000 shares from 4 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
29 May 2026Aaron TachibanaOfficer38,799$426,01329 May 202638,799 shares from 29 May 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
28 May 2026Christopher HallDirector, Officer100,000$949,00028 May 2026100,000 shares from 28 May 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
22 January 2026Aaron L TachibanaOfficer40,000$386,00022 January 20261,201 shares from 22 January 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
25 November 2025Aaron L TachibanaOfficer103,668$1.0 million25 November 2025103,668 shares from 25 November 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 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?