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Who

Michael Jon Brown

EVP Chief Legal Compliance Off

Company insider

Files Form 4 as: EVP Chief Legal Compliance Off, DexCom.

Every Form 4 they filed

In numbers

Trades disclosed
52
Buys
0
Sells
22
Bought
$0
Sold
$6.5M
Companies
1
Companies where not an officer
0
First trade
8 Mar 2022
Last trade
15 Oct 2026
Last filed
19 Oct 2026

Companies traded

Where they are an officer
DXCM DexComOfficer · Medical Devices · last 15 Oct 20260 buys · 22 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
10Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
15 Oct 2026filed 19 Oct 2026DXCM DexComMedical DevicesSEC FORM 4 Sold$145K1,700 at $85.48filing
15 Sep 2026filed 16 Sep 2026DXCM DexComMedical DevicesSEC FORM 4 Sold$143K1,700 at $84.04filing
15 Sep 2026filed 16 Sep 2026DXCM DexComMedical DevicesSEC FORM 4 Sold$143K1,700 at $84.04filing
22 Aug 2026filed 25 Aug 2026DXCM DexComMedical DevicesSEC FORM 4 Code F$134K1,451 at $92.34filing
22 Aug 2026filed 25 Aug 2026DXCM DexComMedical DevicesSEC FORM 4 Code F$134K1,451 at $92.34filing
14 Aug 2026filed 17 Aug 2026DXCM DexComMedical DevicesSEC FORM 4 Sold$156K1,700 at $91.93filing
14 Aug 2026filed 17 Aug 2026DXCM DexComMedical DevicesSEC FORM 4 Sold$156K1,700 at $91.93filing
15 Jul 2026filed 16 Jul 2026DXCM DexComMedical DevicesSEC FORM 4 Sold$127K1,700 at $74.42filing
15 Jul 2026filed 16 Jul 2026DXCM DexComMedical DevicesSEC FORM 4 Sold$127K1,700 at $74.42filing
15 Jun 2026filed 17 Jun 2026DXCM DexComMedical DevicesSEC FORM 4 Sold$128K1,700 at $75.55filing
15 Jun 2026filed 17 Jun 2026DXCM DexComMedical DevicesSEC FORM 4 Sold$128K1,700 at $75.55filing
22 May 2026filed 27 May 2026DXCM DexComMedical DevicesSEC FORM 4 Code F$104K1,451 at $71.90filing
22 May 2026filed 27 May 2026DXCM DexComMedical DevicesSEC FORM 4 Code F$104K1,451 at $71.90filing
15 May 2026filed 19 May 2026DXCM DexComMedical DevicesSEC FORM 4 Sold$102K1,700 at $59.91filing
15 May 2026filed 19 May 2026DXCM DexComMedical DevicesSEC FORM 4 Sold$102K1,700 at $59.91filing
15 Apr 2026filed 16 Apr 2026DXCM DexComMedical DevicesSEC FORM 4 Sold$107K1,700 at $63.04filing
15 Apr 2026filed 16 Apr 2026DXCM DexComMedical DevicesSEC FORM 4 Sold$107K1,700 at $63.04filing
16 Mar 2026filed 18 Mar 2026DXCM DexComMedical DevicesSEC FORM 4 Sold$110K1,700 at $64.85filing
16 Mar 2026filed 18 Mar 2026DXCM DexComMedical DevicesSEC FORM 4 Sold$110K1,700 at $64.85filing
8 Mar 2026filed 10 Mar 2026DXCM DexComMedical DevicesSEC FORM 4 Code A—39,019 at $0.00filing

News

Vontobel Holding Ltd. Sells 14,970 Shares of DexCom, Inc. $DXCMDXCM · dailypolitical.com · 20 Oct 2026

0 headlines in the last 90 days name Michael Jon Brown; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Health Care22

Buys in green, sells in red, by the company’s sector.

Related people

Sadie SternEVP Chief People & Culture Off · EVP Chief People & Culture Off at Dexcom, filing Form 4 there in the last year
Nicholas AugustinosDirector · Director at Dexcom, filing Form 4 there in the last year
Jereme M. SylvainEVP, Chief Financal Officer · EVP, Chief Financal Officer at Dexcom, filing Form 4 there in the last year
Glenn S. BoehnleinDirector · Director at Dexcom, filing Form 4 there in the last year
Jacob Steven LeachPresident, CEO, and Director · President, CEO, and Director at Dexcom, filing Form 4 there in the last year
Kevin R. SayerExecutive Chair · Also traded DXCM in the last 90 days
Bridgette P. HellerDirector · Also traded DXCM in the last 90 days
Mark G. FolettaDirector · Also traded DXCM in the last 90 days