Person

Mark G. Foletta

Director, Dexcom

Current S&P 500 boards
1
Current roles
1
Open-market buys
$0
Open-market sales
$6.0M

Current roles

From Section 16 filings (Forms 3, 4 and 5) in the last 13 months.

Past roles

“Last filing” is the latest Form 3/4/5 for that company, an upper bound on the end date.

None on record since 2016.

Sits alongside

People who currently share a board or management team with this person.

Open-market trades

Purchases and sales reported on Form 4 at S&P 500 companies.

DateCompanyTypeSharesPriceValue
Aug 3, 2026DXCMSale2,000$85.32$171K
Jul 31, 2026DXCMSale2,000$80.00$160K
Jun 15, 2026DXCMSale199$74.82$15K
Jun 15, 2026DXCMSale3,801$74.10$282K
Aug 15, 2025DXCMSale195$81.54$16K
Aug 15, 2025DXCMSale2,555$81.02$207K
Jul 15, 2025DXCMSale8$86.03$688
Jul 15, 2025DXCMSale2,742$85.17$234K
Jun 16, 2025DXCMSale2,750$83.13$229K
Jun 18, 2024DXCMSale299$117.25$35K
Jun 18, 2024DXCMSale3,007$116.75$351K
Jun 17, 2024DXCMSale475$117.77$56K
Jun 17, 2024DXCMSale2,212$117.16$259K
Jun 17, 2024DXCMSale7$115.18$806
Dec 1, 2021DXCMSale116$562.79$65K
Dec 1, 2021DXCMSale41$556.89$23K
Dec 1, 2021DXCMSale70$558.78$39K
Dec 1, 2021DXCMSale78$561.85$44K
Dec 1, 2021DXCMSale41$569.54$23K
Dec 1, 2021DXCMSale65$564.24$37K
Dec 1, 2021DXCMSale87$565.51$49K
Dec 1, 2021DXCMSale2$567.35$1K
Nov 1, 2021DXCMSale43$624.10$27K
Nov 1, 2021DXCMSale124$625.32$78K
Nov 1, 2021DXCMSale7$626.05$4K
Nov 1, 2021DXCMSale76$628.41$48K
Nov 1, 2021DXCMSale42$629.33$26K
Nov 1, 2021DXCMSale40$631.26$25K
Nov 1, 2021DXCMSale40$634.01$25K
Nov 1, 2021DXCMSale13$622.63$8K
Nov 1, 2021DXCMSale14$619.32$9K
Nov 1, 2021DXCMSale45$615.13$28K
Nov 1, 2021DXCMSale56$627.79$35K
Oct 1, 2021DXCMSale47$538.02$25K
Oct 1, 2021DXCMSale6$539.10$3K
Oct 1, 2021DXCMSale88$540.93$48K
Oct 1, 2021DXCMSale1$551.58$552
Oct 1, 2021DXCMSale181$544.39$99K
Oct 1, 2021DXCMSale51$547.06$28K
Oct 1, 2021DXCMSale126$543.15$68K
Nov 16, 2020DXCMSale117$340.23$40K
Nov 16, 2020DXCMSale139$337.78$47K
Nov 16, 2020DXCMSale15$336.98$5K
Nov 16, 2020DXCMSale428$341.79$146K
Nov 16, 2020DXCMSale301$342.93$103K
Oct 15, 2020DXCMSale120$395.02$47K
Oct 15, 2020DXCMSale42$391.48$16K
Oct 15, 2020DXCMSale208$398.25$83K
Oct 15, 2020DXCMSale255$396.51$101K
Oct 15, 2020DXCMSale375$397.41$149K
Sep 14, 2020DXCMSale3$386.21$1K
Sep 14, 2020DXCMSale222$395.28$88K
Sep 14, 2020DXCMSale109$390.86$43K
Sep 14, 2020DXCMSale114$397.75$45K
Sep 14, 2020DXCMSale121$396.17$48K
Sep 14, 2020DXCMSale231$393.73$91K
Sep 14, 2020DXCMSale200$391.95$78K
Mar 3, 2020DXCMSale107$270.63$29K
Mar 3, 2020DXCMSale152$271.54$41K
Mar 3, 2020DXCMSale81$272.82$22K
Mar 3, 2020DXCMSale155$274.88$43K
Mar 3, 2020DXCMSale114$275.56$31K
Mar 3, 2020DXCMSale84$288.26$24K
Mar 3, 2020DXCMSale31$279.60$9K
Mar 3, 2020DXCMSale53$281.61$15K
Mar 3, 2020DXCMSale84$282.77$24K
Mar 3, 2020DXCMSale75$285.48$21K
Mar 3, 2020DXCMSale64$277.48$18K
Feb 3, 2020DXCMSale301$236.84$71K
Feb 3, 2020DXCMSale9$240.68$2K
Feb 3, 2020DXCMSale166$238.86$40K
Feb 3, 2020DXCMSale524$238.05$125K
Jan 3, 2020DXCMSale133$218.94$29K
Jan 3, 2020DXCMSale339$218.39$74K
Jan 3, 2020DXCMSale528$217.61$115K
Dec 3, 2019DXCMSale70$223.41$16K
Dec 3, 2019DXCMSale232$226.20$52K
Dec 3, 2019DXCMSale462$228.93$106K
Dec 3, 2019DXCMSale3$221.34$664
Dec 3, 2019DXCMSale233$227.66$53K
May 15, 2019DXCMSale100$118.65$12K
May 15, 2019DXCMSale500$121.88$61K
May 15, 2019DXCMSale400$122.73$49K
Apr 15, 2019DXCMSale599$119.36$71K
Apr 15, 2019DXCMSale100$116.96$12K
Apr 15, 2019DXCMSale301$118.88$36K
Mar 15, 2019DXCMSale200$146.92$29K
Mar 15, 2019DXCMSale100$151.97$15K
Mar 15, 2019DXCMSale700$151.00$106K
Feb 15, 2019DXCMSale200$149.52$30K
Feb 15, 2019DXCMSale800$148.52$119K
Aug 24, 2018DXCMSale1,000$137.50$138K
Nov 27, 2017DXCMSale2,500$54.95$137K
Sep 7, 2016DXCMSale1,800$94.63$170K

SEC reporting-owner ID (CIK) 1236389 · all filings on EDGAR

Mark G. Foletta (DXCM) | USBoard