Stocks › DXCM

DEXCOM INC

DXCM·Nasdaq·United States United States·USD
$84.30
+0.91 (+1.09%)
Close · Oct 7, 2026 · Close Prices from Tiingo.com
DXCM
DEXCOM INC · Nasdaq
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
DXCMS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
Loading price history…
Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair

Congressional Trades

Recent trades of DXCM by members of U.S. Congress · 148 on record · 15 in the last 12 months
All congressional trades →
PoliticianStockTypeFiledTraded
Ro KhannaRo KhannaHouse · D · CA DXCMDEXCOM INC · Common Stock Sale
$1,001 - $15,000
May 11, 2026 Apr 24, 2026 Filing ↗
Ro KhannaRo KhannaHouse · D · CA DXCMDEXCOM INC · Stock Purchase
$1,001 - $15,000
May 11, 2026 Apr 13, 2026 Filing ↗
Tina SmithTina SmithSenate · D · MN DXCMDEXCOM INC · Stock Sale
$100,001 - $250,000
May 10, 2026 May 7, 2026 Filing ↗
Tina SmithTina SmithSenate · D · MN DXCMDEXCOM INC · Stock Sale
$100,001 - $250,000
May 10, 2026 Apr 29, 2026 Filing ↗
Ro KhannaRo KhannaHouse · D · CA DXCMDEXCOM INC · Common Stock Sale
$1,001 - $15,000
Apr 7, 2026 Mar 30, 2026 Filing ↗
Ro KhannaRo KhannaHouse · D · CA DXCMDEXCOM INC · Common Stock Sale
$1,001 - $15,000
Apr 7, 2026 Mar 23, 2026 Filing ↗
Michael T. McCaulMichael T. McCaulHouse · R · TX DXCMDEXCOM INC · Stock Sale
$1,001 - $15,000
Mar 10, 2026 Feb 4, 2026 Filing ↗
Ro KhannaRo KhannaHouse · D · CA DXCMDEXCOM INC · Common Stock Sale
$1,001 - $15,000
Mar 9, 2026 Feb 5, 2026 Filing ↗
Ro KhannaRo KhannaHouse · D · CA DXCMDEXCOM INC · Common Stock Purchase
$1,001 - $15,000
Mar 9, 2026 Feb 17, 2026 Filing ↗
John BoozmanJohn BoozmanSenate · R · AR DXCMDEXCOM INC · Stock Purchase
$1,001 - $15,000
Feb 15, 2026 Jan 26, 2026 Filing ↗
Ro KhannaRo KhannaHouse · D · CA DXCMDEXCOM INC · Stock Purchase
$1,001 - $15,000
Feb 6, 2026 Jan 29, 2026 Filing ↗
Ro KhannaRo KhannaHouse · D · CA DXCMDEXCOM INC · Common Stock Purchase
$1,001 - $15,000
Jan 6, 2026 Dec 12, 2025 Filing ↗
Ro KhannaRo KhannaHouse · D · CA DXCMDEXCOM INC · Common Stock Purchase
$1,001 - $15,000
Jan 6, 2026 Dec 5, 2025 Filing ↗
Michael T. McCaulMichael T. McCaulHouse · R · TX DXCMDEXCOM INC · Stock Sale
$15,001 - $50,000
Nov 10, 2025 Oct 27, 2025 Filing ↗
Michael T. McCaulMichael T. McCaulHouse · R · TX DXCMDEXCOM INC · Stock Purchase
$1,001 - $15,000
Oct 10, 2025 Sep 22, 2025 Filing ↗
Ro KhannaRo KhannaHouse · D · CA DXCMDEXCOM INC · Common Stock Sale
$1,001 - $15,000
Oct 3, 2025 Sep 29, 2025 Filing ↗
Michael T. McCaulMichael T. McCaulHouse · R · TX DXCMDEXCOM INC · Stock Purchase
$15,001 - $50,000
Sep 11, 2025 Aug 4, 2025 Filing ↗
Michael T. McCaulMichael T. McCaulHouse · R · TX DXCMDEXCOM INC · Stock Sale
$15,001 - $50,000
Sep 11, 2025 Aug 21, 2025 Filing ↗
Michael T. McCaulMichael T. McCaulHouse · R · TX DXCMDEXCOM INC · Stock Purchase
$1,001 - $15,000
Sep 11, 2025 Aug 7, 2025 Filing ↗
Ro KhannaRo KhannaHouse · D · CA DXCMDEXCOM INC · Common Stock Sale
$1,001 - $15,000
Sep 9, 2025 Aug 4, 2025 Filing ↗
Michael T. McCaulMichael T. McCaulHouse · R · TX DXCMDEXCOM INC · Stock Purchase
$1,001 - $15,000
Aug 12, 2025 Jul 30, 2025 Filing ↗
Michael T. McCaulMichael T. McCaulHouse · R · TX DXCMDEXCOM INC · Stock Purchase
$15,001 - $50,000
Jul 7, 2025 Jun 2, 2025 Filing ↗
Michael T. McCaulMichael T. McCaulHouse · R · TX DXCMDEXCOM INC · Stock Sale
$15,001 - $50,000
Jul 7, 2025 Jun 16, 2025 Filing ↗
Michael T. McCaulMichael T. McCaulHouse · R · TX DXCMDEXCOM INC · Stock Sale
$50,001 - $100,000
Jul 7, 2025 Jun 27, 2025 Filing ↗
Jefferson ShreveJefferson ShreveHouse · R · IN DXCMDEXCOM INC · Stock Sale
$15,001 - $50,000
Jun 22, 2025 May 12, 2025 Filing ↗

Whale Activity

Position changes in DXCM reported for 2026-09-30 by 1 tracked institutional filer
No prior filing: 1
  • Increased0
  • New0
  • Held0
  • Decreased0
  • Closed0
  • No prior filing1
FilerSharesValueChange
BRIGHT ROCK CAPITAL MANAGEMENT, LLC36.0K$3.1M—

KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.

Insider Trading

Net shares bought (+) or sold (−) on the open market by DXCM insiders, by quarter · Form 4
-200.0K-100.0K0100.0K200.0K2025 Q1: -131.5K2025 Q12025 Q2: -27.2K2025 Q22025 Q3: -14.9K2025 Q32025 Q4: 10.3K2025 Q42026 Q1: -2,7122026 Q12026 Q2: -46.7K2026 Q22026 Q3: -107.2K2026 Q32026 Q4: 02026 Q4

Recent Insider Transactions

3,790 transactions on record · newest first
All insider activity →
InsiderTypeSharesPriceValueDate
Stern SadieEVP Chief People & Culture Off Sale −2,565 $86.15 $221K Sep 28, 2026 Form 4 ↗
AUGUSTINOS NICHOLASDirector · Director Sale −6,539 $84.04 $550K Sep 15, 2026 Form 4 ↗
Brown Michael JonEVP Chief Legal Compliance Off Sale −1,700 $84.04 $143K Sep 15, 2026 Form 4 ↗
AUGUSTINOS NICHOLASDirector · Director Sale −1,550 $84.02 $130K Sep 14, 2026 Form 4 ↗
Sylvain Jereme MEVP, Chief Financal Officer Sale −3,638 $83.27 $303K Sep 10, 2026 Form 4 ↗
Stern SadieEVP Chief People & Culture Off Sale −2,565 $88.37 $227K Aug 27, 2026 Form 4 ↗
SAYER KEVIN RExecutive Chair · Director Sale −97 $91.41 $9K Aug 20, 2026 Form 4 ↗
SAYER KEVIN RExecutive Chair · Director Sale −7,351 $90.78 $667K Aug 20, 2026 Form 4 ↗
SAYER KEVIN RExecutive Chair · Director Sale −19.3K $89.71 $1.7M Aug 20, 2026 Form 4 ↗
Brown Michael JonEVP Chief Legal Compliance Off Sale −1,700 $91.93 $156K Aug 14, 2026 Form 4 ↗
Heller Bridgette PDirector · Director Sale −1,012 $88.29 $89K Aug 12, 2026 Form 4 ↗
FOLETTA MARK GDirector · Director Sale −2,000 $85.32 $171K Aug 3, 2026 Form 4 ↗
FOLETTA MARK GDirector · Director Sale −2,000 $80.00 $160K Jul 31, 2026 Form 4 ↗
SAYER KEVIN RExecutive Chair · Director Sale −26.8K $76.32 $2.0M Jul 20, 2026 Form 4 ↗
Brown Michael JonEVP Chief Legal Compliance Off Sale −1,700 $74.42 $127K Jul 15, 2026 Form 4 ↗
SAYER KEVIN RExecutive Chair · Director Sale −26.8K $72.00 $1.9M Jul 6, 2026 Form 4 ↗
Brown Michael JonEVP Chief Legal Compliance Off Sale −1,700 $75.55 $128K Jun 15, 2026 Form 4 ↗
FOLETTA MARK GDirector Sale −199 $74.82 $15K Jun 15, 2026 Form 4 ↗
FOLETTA MARK GDirector Sale −3,801 $74.10 $282K Jun 15, 2026 Form 4 ↗
Coleman JonEVP, Chief Commercial Officer Sale −4,911 $74.13 $364K Jun 4, 2026 Form 4 ↗

Fund Holders

Mutual funds and ETFs holding DXCM · SEC Form N-PORT
FundSharesValue% of fundAs of
VANGUARD TOTAL STOCK MARKET INDEX FUND
VANGUARD INDEX FUNDS
12.3M$825.1M0.04%Jun 30, 2026
VANGUARD 500 INDEX FUND
VANGUARD INDEX FUNDS
10.0M$673.5M0.04%Jun 30, 2026
VANGUARD MID-CAP INDEX FUND
VANGUARD INDEX FUNDS
8.4M$563.1M0.25%Jun 30, 2026
Invesco QQQ Trust, Series 18.2M$551.7M0.11%Jun 30, 2026
VANGUARD HEALTH CARE FUND
VANGUARD SPECIALIZED FUNDS
5.4M$449.3M1.18%Jul 31, 2026
Fidelity 500 Index Fund
Fidelity Concord Street Trust
4.9M$363.2M0.04%May 31, 2026
iShares Core S&P 500 ETF
iShares Trust
5.3M$357.9M0.04%Jun 30, 2026
VANGUARD GROWTH INDEX FUND
VANGUARD INDEX FUNDS
4.9M$333.2M0.09%Jun 30, 2026
State Street(R) SPDR(R) S&P 500(R) ETF Trust4.7M$313.9M0.04%Jun 30, 2026
Invesco S&P 500 Equal Weight ETF
Invesco Exchange-Traded Fund Trust
2.5M$207.9M0.22%Jul 31, 2026

Mutual funds and ETFs whose N-PORT filings list DXCM's shares (CUSIP 252131107), each fund at its latest report since Mar 8, 2026, largest positions first. Bonds, options and short positions are left out.

Activist & Passive Stakes

Schedule 13D / 13G beneficial-ownership filings

No 13D/13G beneficial-ownership filings on record.

Corporate Lobbying

Estimated quarterly lobbying spending reported under the LDA, filings naming dexcom as client
$0$500K$1.0M$1.5M$2.0M2023 Q1: $117K2023 Q2: $117K2023 Q3: $163K2023 Q4: $107K20232024 Q1: $267K2024 Q2: $277K2024 Q3: $200K2024 Q4: $360K20242025 Q1: $370K2025 Q2: $465K2025 Q3: $545K2025 Q4: $555K20252026 Q1: $545K2026 Q2: $575K2026
  • BGR GOVERNMENT AFFAIRSDEXCOM · 2026 Q2 · MMM$40K
    Filing ↗
  • DEXCOM, INC.DEXCOM, INC. · 2026 Q2 · MMM, TRD, HCR$370K
    Filing ↗
  • ALSTON & BIRD LLPDEXCOM, INC. · 2026 Q2 · MMM, HCR$40K
    Filing ↗
  • FARRAGUT PARTNERS LLPDEXCOM, INC. · 2026 Q2 · MMM$50K
    Filing ↗
  • CONTINENTAL STRATEGY, LLCDEXCOM · 2026 Q2 · HCR, MED$75K
    Filing ↗

Government Contracts

Federal awards to DEXCOM INC · USAspending

No federal contract awards found for DEXCOM INC.

U.S. Patents

Recent USPTO applications naming DEXCOM INC

No USPTO patent applications found for DEXCOM INC.

Annual Financials

From DXCM's 10-K filings · XBRL

No annual XBRL figures on record for DXCM. KeyVex's fundamentals cover about 130 large companies so far.

Stock Splits

Every split and reverse split in the price history
  • 4-for-1Stock splitJun 13, 2022

Split dates and ratios from the price history · Close Prices from Tiingo.com

Material Events (8-K)

Corporate events filed with the SEC
  • 8-K · Items 5.02, 7.01, 9.01Officer / director change · Reg FD disclosureSep 14, 2026
    EDGAR ↗
  • 8-K · Items 5.02, 7.01, 9.01Officer / director change · Reg FD disclosureSep 10, 2026
    EDGAR ↗
  • 8-K · Items 2.02, 9.01Results of operationsJul 30, 2026
    EDGAR ↗
  • 8-K · Items 5.07Shareholder voteMay 28, 2026
    EDGAR ↗
  • 8-K · Items 7.01, 8.01Reg FD disclosure · Other eventsMay 15, 2026
    EDGAR ↗

About DEXCOM INC

From SEC EDGAR company records
Industry (SIC 3841)Surgical & Medical Instruments & Apparatus
SectorHealthcare
HeadquartersSAN DIEGO, CA
IncorporatedDE