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Who

Kevin R. Sayer

Executive Chair

Company insider

Files Form 4 as: Executive Chair, DexCom; Director, Akesis Pharmaceuticals.

In numbers

Trades disclosed
393
Buys
0
Sells
83
Bought
$0
Sold
$202.4M
Companies
2
Companies where not an officer
1
First trade
30 Dec 2005
Last trade
20 Aug 2026
Last filed
24 Aug 2026

Companies traded

Where they are an officer
DXCM DexComDirector, Officer · Medical Devices · last 20 Aug 20260 buys · 83 sells
Everywhere else they filed: board seats, 10% stakes, other companies
Akesis PharmaceuticalsDirector · last 2 Oct 20060 buys · 0 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
20 Aug 2026filed 24 Aug 2026DXCM DexComMedical DevicesSEC FORM 4 Sold$1.7M19,308 at $89.71filing
20 Aug 2026filed 24 Aug 2026DXCM DexComMedical DevicesSEC FORM 4 Sold$667K7,351 at $90.78filing
20 Aug 2026filed 24 Aug 2026DXCM DexComMedical DevicesSEC FORM 4 Sold$8,86797 at $91.41filing
20 Aug 2026filed 24 Aug 2026DXCM DexComMedical DevicesSEC FORM 4 Sold$1.7M19,308 at $89.71filing
20 Aug 2026filed 24 Aug 2026DXCM DexComMedical DevicesSEC FORM 4 Sold$667K7,351 at $90.78filing
20 Aug 2026filed 24 Aug 2026DXCM DexComMedical DevicesSEC FORM 4 Sold$8,86797 at $91.41filing
20 Jul 2026filed 21 Jul 2026DXCM DexComMedical DevicesSEC FORM 4 Sold$2.0M26,756 at $76.32filing
20 Jul 2026filed 21 Jul 2026DXCM DexComMedical DevicesSEC FORM 4 Sold$2.0M26,756 at $76.32filing
6 Jul 2026filed 7 Jul 2026DXCM DexComMedical DevicesSEC FORM 4 Sold$1.9M26,756 at $72.00filing
6 Jul 2026filed 7 Jul 2026DXCM DexComMedical DevicesSEC FORM 4 Sold$1.9M26,756 at $72.00filing
21 May 2026filed 26 May 2026DXCM DexComMedical DevicesSEC FORM 4 Sold$1.9M26,759 at $72.00filing
21 May 2026filed 26 May 2026DXCM DexComMedical DevicesSEC FORM 4 Sold$1.9M26,759 at $72.00filing
8 Mar 2026filed 10 Mar 2026DXCM DexComMedical DevicesSEC FORM 4 Code A—32,749 at $0.00filing
8 Mar 2026filed 10 Mar 2026DXCM DexComMedical DevicesSEC FORM 4 Code F$2.2M32,498 at $68.10filing
8 Mar 2026filed 10 Mar 2026DXCM DexComMedical DevicesSEC FORM 4 Code A—32,749 at $0.00filing
8 Mar 2026filed 10 Mar 2026DXCM DexComMedical DevicesSEC FORM 4 Code F$2.2M32,498 at $68.10filing
29 Jan 2026filed 2 Feb 2026DXCM DexComMedical DevicesSEC FORM 4 Code A—71,218 at $0.00filing
29 Jan 2026filed 2 Feb 2026DXCM DexComMedical DevicesSEC FORM 4 Code F$2.5M34,257 at $73.36filing
29 Jan 2026filed 2 Feb 2026DXCM DexComMedical DevicesSEC FORM 4 Code A—71,218 at $0.00filing
29 Jan 2026filed 2 Feb 2026DXCM DexComMedical DevicesSEC FORM 4 Code F$2.5M34,257 at $73.36filing

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

Sectors

Health Care83

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
Bridgette P. HellerDirector · Also traded DXCM in the last 90 days
Mark G. FolettaDirector · Also traded DXCM in the last 90 days