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Who

Jon Coleman

EVP, Chief Commercial Officer

Company insider

Files Form 4 as: EVP, Chief Commercial Officer, DexCom; Pres-WW OEM & Global Health, Masimo.

In numbers

Trades disclosed
179
Buys
0
Sells
33
Bought
$0
Sold
$28.6M
Companies
2
Companies where not an officer
0
First trade
11 Aug 2008
Last trade
4 Jun 2026
Last filed
5 Jun 2026

Companies traded

Where they are an officer
DXCM DexComOfficer · Medical Devices · last 4 Jun 20260 buys · 2 sells
MasimoOfficer · last 26 Feb 20210 buys · 31 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
20Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
4 Jun 2026filed 5 Jun 2026DXCM DexComMedical DevicesSEC FORM 4 Sold$364K4,911 at $74.13filing
4 Jun 2026filed 5 Jun 2026DXCM DexComMedical DevicesSEC FORM 4 Sold$364K4,911 at $74.13filing
3 Jun 2026filed 5 Jun 2026DXCM DexComMedical DevicesSEC FORM 4 Sold$359K4,912 at $73.00filing
3 Jun 2026filed 5 Jun 2026DXCM DexComMedical DevicesSEC FORM 4 Sold$359K4,912 at $73.00filing
22 May 2026filed 27 May 2026DXCM DexComMedical DevicesSEC FORM 4 Code F$529K7,362 at $71.90filing
22 May 2026filed 27 May 2026DXCM DexComMedical DevicesSEC FORM 4 Code F$529K7,362 at $71.90filing
8 Mar 2026filed 10 Mar 2026DXCM DexComMedical DevicesSEC FORM 4 Code A—43,897 at $0.00filing
8 Mar 2026filed 10 Mar 2026DXCM DexComMedical DevicesSEC FORM 4 Code A—43,897 at $0.00filing
22 May 2025filed 27 May 2025DXCM DexComMedical DevicesSEC FORM 4 Code A—68,738 at $0.00filing
26 Feb 2021filed 2 Mar 2021Masimooption or derivativeSEC FORM 4 Code A$661K2,637 at $250.73filing
22 Feb 2021filed 24 Feb 2021MasimoSEC FORM 4 Code A—14,593 at $0.00filing
2 Jan 2021filed 6 Jan 2021MasimoSEC FORM 4 Code M—2,000 at $0.00filing
2 Jan 2021filed 6 Jan 2021MasimoSEC FORM 4 Code F$211K786 at $268.38filing
2 Jan 2021filed 6 Jan 2021Masimooption or derivativeSEC FORM 4 Code M—2,000 at $0.00filing
28 Dec 2020filed 30 Dec 2020Masimooption or derivativeSEC FORM 4 Code M$256K8,250 at $31.01filing
28 Dec 2020filed 30 Dec 2020MasimoSEC FORM 4 Code M$256K8,250 at $31.01filing
28 Dec 2020filed 30 Dec 2020MasimoSEC FORM 4 Sold$2.2M8,250 at $264.02filing
6 Jul 2020filed 8 Jul 2020Masimooption or derivativeSEC FORM 4 Code M$39K1,250 at $31.01filing
6 Jul 2020filed 8 Jul 2020MasimoSEC FORM 4 Code M$39K1,250 at $31.01filing
6 Jul 2020filed 8 Jul 2020MasimoSEC FORM 4 Sold$294K1,250 at $235.00filing

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 Jon Coleman; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Health Care2
Not placed31

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

Related people

Michael Jon BrownEVP Chief Legal Compliance Off · EVP Chief Legal Compliance Off at Dexcom, filing Form 4 there in the last year
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
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