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Dexcom Inc. planned insider sales

In the twelve months since 23 September 2025 insiders at Dexcom Inc. filed 26 Form 144 notices of planned sales, 161,944 shares worth $12.4 million at the time of filing, from 9 sellers. The latest, filed 15 September 2026: Michael Brown (officer), 1,700 shares worth $142,868, planned for around 15 September 2026 through Morgan Stanley Smith Barney LLC Executive Financial Services.

FiledSellerRelationshipSharesValuePlanned saleBrokerHow acquiredFiling
15 September 2026Michael BrownOfficer1,700$142,86815 September 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
15 September 2026Augustinos NicholasDirector6,539$549,53815 September 2026Fidelity Brokerage Services LLCVested RSU GrantForm 144
14 September 2026Augustinos NicholasDirector1,550$130,23114 September 2026Fidelity Brokerage Services LLCVested RSU GrantForm 144
10 September 2026Jereme SylvainOfficer3,638$302,93610 September 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
27 August 2026Sadie SternOfficer2,565$226,66927 August 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
20 August 2026Kevin R SayerOfficer, Director26,756$2.4 million20 August 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
14 August 2026Michael BrownOfficer1,700$156,28114 August 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
12 August 2026Heller Bridgette PDirector1,012$89,34912 August 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
3 August 2026Foletta Mark GDirector2,000$170,6403 August 2026UBS Financial Services, Inc.Vested RSUsForm 144
31 July 2026Foletta Mark GDirector2,000$160,00031 July 2026UBS Financial Services, Inc.Vested RSUsForm 144
20 July 2026Kevin R SayerOfficer, Director26,756$2.0 million20 July 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesPerformance and Restricted StockForm 144
15 July 2026Michael BrownOfficer1,700$126,51415 July 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
6 July 2026Kevin R SayerOfficer, Director26,756$1.9 million6 July 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesPerformance and Restricted StockForm 144
15 June 2026Michael BrownOfficer1,700$128,43515 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
15 June 2026Foletta Mark GDirector4,000$302,80015 June 2026UBS Financial Services, Inc.Vested RSUsForm 144
4 June 2026Jon C ColemanOfficer4,911$364,0524 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
3 June 2026Jon C ColemanOfficer4,912$358,5763 June 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
21 May 2026Kevin R SayerOfficer, Director26,759$1.9 million21 May 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesPerformance SharesForm 144
15 May 2026Michael BrownOfficer1,700$101,84715 May 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
12 May 2026Heller Bridgette PDirector1,012$60,73012 May 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
15 April 2026Michael BrownOfficer1,700$107,16815 April 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
16 March 2026Michael BrownOfficer1,700$110,24516 March 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
12 February 2026Heller Bridgette PDirector1,012$68,82612 February 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
14 November 2025Collins Richard AlexanderDirector2,906$171,59914 November 2025Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
12 November 2025Heller Bridgette PDirector1,012$58,76712 November 2025Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
10 November 2025Collins Richard AlexanderDirector3,948$217,81110 November 2025Fidelity Brokerage Services LLCRestricted Stock VestingForm 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. Value is the filer's own aggregate market value. Whether the sale happened shows up later on Form 4, on the insiders page.

Source

Form 144 filings on EDGAR for Dexcom Inc.: the company's filing index, each notice read from its own XML.

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