Stocks › DXCM
DEXCOM INC
DXCM·Nasdaq·
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
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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
Whale Activity
Position changes in DXCM reported for 2026-09-30 by 1 tracked institutional filer
- Increased0
- New0
- Held0
- Decreased0
- Closed0
- No prior filing1
| Filer | Shares | Value | Change |
|---|---|---|---|
| BRIGHT ROCK CAPITAL MANAGEMENT, LLC | 36.0K | $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
Recent Insider Transactions
3,790 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| 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
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 12.3M | $825.1M | 0.04% | Jun 30, 2026 |
| VANGUARD 500 INDEX FUND VANGUARD INDEX FUNDS | 10.0M | $673.5M | 0.04% | Jun 30, 2026 |
| VANGUARD MID-CAP INDEX FUND VANGUARD INDEX FUNDS | 8.4M | $563.1M | 0.25% | Jun 30, 2026 |
| Invesco QQQ Trust, Series 1 | 8.2M | $551.7M | 0.11% | Jun 30, 2026 |
| VANGUARD HEALTH CARE FUND VANGUARD SPECIALIZED FUNDS | 5.4M | $449.3M | 1.18% | Jul 31, 2026 |
| Fidelity 500 Index Fund Fidelity Concord Street Trust | 4.9M | $363.2M | 0.04% | May 31, 2026 |
| iShares Core S&P 500 ETF iShares Trust | 5.3M | $357.9M | 0.04% | Jun 30, 2026 |
| VANGUARD GROWTH INDEX FUND VANGUARD INDEX FUNDS | 4.9M | $333.2M | 0.09% | Jun 30, 2026 |
| State Street(R) SPDR(R) S&P 500(R) ETF Trust | 4.7M | $313.9M | 0.04% | Jun 30, 2026 |
| Invesco S&P 500 Equal Weight ETF Invesco Exchange-Traded Fund Trust | 2.5M | $207.9M | 0.22% | 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
- 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
SEC CIK0001093557 ↗





