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Dexcom DXCM

Dexcom is the 319th largest S&P 500 company by market cap, worth $29.4 billion. 13 directors have filed with the SEC in the last 12 months (who counts), 2 of them executives. 4 other officers are on file. At 30 Jun 2026, Vanguard was its largest institutional holder, with 12.7% of the company.

CEO
Jacob Steven Leach
Chair
Kevin R. Sayer
Sector
Health Care
Sub-industry
Health Care Equipment
Headquarters
San Diego, California
Founded
1999
More
Wikipedia
Market cap
$29.4B
319th largest, 23 Oct 2026 close
Revenue
$4.7B
Fiscal year 2025
Price to sales
6.3
Market cap over revenue
Employees
11,100
10-K, 31 Dec 2025
Market cap per employee
$2.6M
Market cap over employees
Connections
3
S&P 500 companies sharing a director or officer

Largest institutional holders

Each fund group's share of Dexcom. Where a company has several share classes, the share is of its total value.

13F filings for the quarter to 30 Jun 2026

These five hold 35.8% of Dexcom.

Source: SEC Form 13F data sets, SEC XBRL shares outstanding 路 All holders

Board and officers

3 people here also hold roles at other S&P 500 companies.

Roles filed up to 30 Sep 2026

NameTitle
Directors (13)
Kevin R. SayerExecutive ChairExecutive Chair
Jacob Steven LeachPresident, CEO, and DirectorPresident, CEO, and Director
Steven R. AltmanDirectorDirector
Euan A. AshleyDirectorDirector
Nicholas AugustinosDirectorDirector
Glenn S. BoehnleinDirectorAlso at Agilent TechnologiesDirector
Richard Alexander CollinsDirectorDirector
Rimma DriscollDirectorAlso at ZoetisDirector
Mark G. FolettaDirectorDirector
Renee D. GalaDirectorDirector
Bridgette P. HellerDirectorDirector
Kyle MaladyDirectorAlso at VerizonDirector
Albert Frederick Osterloh IVDirectorDirector
Officers (4)
Michael Jon BrownEVP Chief Legal Compliance OffLast filed 16 Sep 2026EVP Chief Legal Compliance Off
Jon ColemanEVP, Chief Commercial OfficerLast filed 5 Jun 2026EVP, Chief Commercial Officer
Sadie SternEVP Chief People & Culture OffLast filed 30 Sep 2026EVP Chief People & Culture Off
Jereme M. SylvainEVP, Chief Financal OfficerLast filed 14 Sep 2026EVP, Chief Financal Officer

Source: SEC insider filings (Forms 3, 4 and 5), Dexcom's Form 4 filings 路 All directors and officers

Companies that share people with Dexcom

Each person's title here, then at the other company.

  • Agilent Technologies A
    • Glenn S. Boehnlein: Director here, Director there
  • Verizon VZ
    • Kyle Malady: Director here, EVP and Group CEO-VZ Business there
  • Zoetis ZTS
    • Rimma Driscoll: Director here, Executive Vice President there

Source: SEC insider filings 路 See the whole network

Dexcom's market cap since November 2009

Weekly, up to 23 Oct 2026

Show equal percentage changes as equal steps.
201020122014201620182020202220242026$29.4B

Source: Yahoo Finance closing prices, SEC XBRL shares outstanding

Workforce

Headcount at 31 Dec 2025

Employees
11,100
As of December 31, 2025, we have approximately 11,100 employees around the globe, including 11,000 full-time employees.
Dexcom Form 10-K

Source: Dexcom Form 10-K

Insider trades

Open-market buys and sales by directors and officers. Grants, option exercises and shares withheld for tax are left out.

Trades from 30 Sep 2025 to 30 Sep 2026

Directors and officers sold $12.6 million of stock in 27 sales and bought $1.0 million in 1 purchase in the 12 months to 30 Sep 2026.

DatePersonTitleTypeSharesValue
28 Sep 2026SaleSadie SternEVP Chief People & Culture OffEVP Chief People & Culture OffSale2,565$221K
15 Sep 2026SaleNicholas AugustinosDirectorDirectorSale6,539$550K
15 Sep 2026SaleMichael Jon BrownEVP Chief Legal Compliance OffEVP Chief Legal Compliance OffSale1,700$143K
14 Sep 2026SaleNicholas AugustinosDirectorDirectorSale1,550$130K
10 Sep 2026SaleJereme M. SylvainEVP, Chief Financal OfficerEVP, Chief Financal OfficerSale3,638$303K
27 Aug 2026SaleSadie SternEVP Chief People & Culture OffEVP Chief People & Culture OffSale2,565$227K
20 Aug 2026SaleKevin R. SayerExecutive ChairExecutive ChairSale26,756$2.4M
14 Aug 2026SaleMichael Jon BrownEVP Chief Legal Compliance OffEVP Chief Legal Compliance OffSale1,700$156K
12 Aug 2026SaleBridgette P. HellerDirectorDirectorSale1,012$89K
3 Aug 2026SaleMark G. FolettaDirectorDirectorSale2,000$171K

Showing 10 of 28 trades

Source: SEC insider transactions data sets, Dexcom's Form 4 filings

Trades by members of Congress and officials

Trades members of Congress and senior executive branch officials disclosed, including their families'. Amounts are filed as ranges.

Trades from 20 Oct 2023 to 20 Oct 2026

8 people disclosed 26 purchases and 17 sales of Dexcom stock since October 2023.

DateMember or officialTypeAmount
17 Jul 2026Donald J Trump (President)President 路 BoughtPurchase$1,001 to $15,000$1K to $15K
15 Jun 2026Donald J Trump (President)President 路 BoughtPurchase$1,001 to $15,000$1K to $15K
18 May 2026Donald J Trump (President)President 路 BoughtPurchase$100,001 to $250,000$100K to $250K
18 May 2026Donald J Trump (President)President 路 BoughtPurchase$1,001 to $15,000$1K to $15K
7 May 2026Tina Smith (Senate, D-MN)Senate, D-MN 路 SoldSale$100,001 to $250,000$100K to $250K
7 May 2026Michael T. McCaul (House, R-TX)House, R-TX 路 SoldSale$1,001 to $15,000$1K to $15K
29 Apr 2026Tina Smith (Senate, D-MN)Senate, D-MN 路 SoldSale$100,001 to $250,000$100K to $250K
27 Apr 2026Donald J Trump (President)President 路 SoldSale$15,001 to $50,000$15K to $50K
27 Apr 2026Donald J Trump (President)President 路 SoldSale$15,001 to $50,000$15K to $50K
17 Apr 2026Donald J Trump (President)President 路 SoldSale$1,001 to $15,000$1K to $15K

Showing 10 of 43 trades

Source: House, Senate and OGE disclosures via the Congress trading monitor

WARN layoff notices

Notices filed under Dexcom's own name. Subsidiaries that file under their own names are not included.

Notices from 26 Oct 2023 to 26 Oct 2026

Dexcom filed 2 notices covering 854 workers since October 2023.

NoticePlaceWorkersEffective
28 Aug 2025San Diego, CA3193 Nov 2025
25 Jun 2024CA53526 Jul 2024

Source: State WARN notices via the US layoffs tracker