W
WAVEMAN · COMPANY
DXCM · Dexcom Inc
> Ask across nine datasets ⌘K
LIVE
TEAM-0.32% 13F +439META+2.47% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET-4.47% 13F +710MSTR-1.35% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475TEAM-0.32% 13F +439META+2.47% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET-4.47% 13F +710MSTR-1.35% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475
← ALL COMPANIES

DXCM

DEXCOM INC
MEDICAL DEVICES · SURGICAL & MEDICAL INSTRUMENTS & APPARATUS · CIK 0001093557
FORM 144 · 9☆ WATCH
INSIDER NET · 180D
-$10.8M
open-market buys minus sells, Form 4 codes P and S
INSIDER BUYERS · 180D
0
CONGRESS BUYERS · 1Y
0
FUNDS ADDED · QTR
521
13F, latest reported quarter
REVENUE GROWTH
+15.6%
XBRL, annual
NET MARGIN
17.9%
SEVEN FACTS, RANKED AGAINST THE SECTOR · RANK IS NOT A FORECAST
INSIDERS
net -$10.8M over 180 days
-$7.7M over 90 days
below 85% of Medical Devices
CONGRESS
no member of Congress has reported trading it
FUNDS
521 funds added or opened last quarter
more than 92% of Medical Devices
REVENUE
+15.6% year over year
more than 67% of Medical Devices
MARGIN
17.9% net margin
more than 91% of Medical Devices
BUYBACKS
$603.6M repurchased, FY to 2026-06-30
more than 88% of Medical Devices
SHORT
4.7% of shares outstanding short · 3.5 days to cover · settled 2026-07-31
more than 59% of Medical Devices
THE SITUATION · EVERY LINE IS ONE RULE OVER ONE DATASET
Insiders are net sellers: -$10.8M across 6 people in 180 days.
521 funds added or opened positions in the latest 13F quarter, of 978 holders.
The year, with the filings on it
Total return indexed to 100 over the last 12 months · every marker is a federal filing, placed at its date — hover any marker for the detail
TOTAL 12M RETURN +20.7%
+20.7%12M
-26%-9%+7%+24%2025-092025-102025-122026-032026-052026-072026-09 2026-07-20 · SAYER KEVIN R sold $2.0M2026-05-21 · SAYER KEVIN R sold $1.9M2026-07-06 · SAYER KEVIN R sold $1.9M2026-08-20 · SAYER KEVIN R sold $1.7M2025-11-10 · Leach Jacob Steven bought $863.2K2026-08-20 · SAYER KEVIN R sold $667.3K2026-06-04 · Coleman Jon sold $364.1K2026-06-03 · Coleman Jon sold $358.6K2025-09-02 · Sylvain Jereme M sold $357.8K2026-06-15 · FOLETTA MARK G sold $281.7K2026-08-27 · Stern Sadie sold $226.7K2025-11-10 · Collins Richard Alexander sold $217.8K2025-11-14 · Collins Richard Alexander sold $171.6K2026-08-03 · FOLETTA MARK G sold $170.6K2026-07-31 · FOLETTA MARK G sold $160.0K2026-08-14 · Brown Michael Jon sold $156.3K2025-11-10 · Leach Jacob Steven bought $138.6K2026-06-15 · Brown Michael Jon sold $128.4K2026-07-15 · Brown Michael Jon sold $126.5K2025-09-04 · Stern Sadie sold $117.3K2026-03-16 · Brown Michael Jon sold $110.2K2026-04-15 · Brown Michael Jon sold $107.2K2026-05-15 · Brown Michael Jon sold $101.8K2026-08-12 · Heller Bridgette P sold $89.3K2026-02-12 · Heller Bridgette P sold $68.8K2026-05-12 · Heller Bridgette P sold $60.7K2025-11-12 · Heller Bridgette P sold $58.8K2025-09-05 · Malady Kyle sold $53.9K2026-06-15 · FOLETTA MARK G sold $14.9K2026-08-20 · SAYER KEVIN R sold $8.9K2026-08-27 · SADIE STERN filed to sell $226.7K2026-08-20 · KEVIN R SAYER filed to sell $2.4M2026-08-14 · MICHAEL BROWN filed to sell $156.3K2026-08-12 · Heller Bridgette P filed to sell $89.3K2026-08-03 · FOLETTA MARK G filed to sell $170.6K2026-07-31 · FOLETTA MARK G filed to sell $160.0K2026-07-20 · KEVIN R SAYER filed to sell $2.0M2026-07-15 · MICHAEL BROWN filed to sell $126.5K2026-07-06 · KEVIN R SAYER filed to sell $1.9M
INSIDER BUYINSIDER SELLFORM 144
INDEXED RETURN, DIVIDEND-ADJUSTED — NOT A PRICE CHART · LARGE TRADES DRAWN FIRST WHEN A NAME FILES HEAVILY
Live price
Daily candles from TradingView, on their licence — no filings are marked on this one
WHY THIS NAME IS ON THE DESK
Insiders have filed to sell — before selling.
The record shows a net $10.8M sold by insiders over 180 days, 521 funds added last quarter, $7.3M in planned Form 144 sales. Every figure is a federal filing, dated the day it became public.
Same sector, ranked by filing activity
Sector from the SEC's own SIC classification
Insider transactions
Form 4 purchases and sales (codes P and S) — grants, option exercises and preferred conversions excluded

Over the last 180 days, DEXCOM INC insiders sold a net $10.8M of stock across 388 Form 4 purchases and sales, with 0 insider(s) buying. Source: SEC Form 4 filings, as of 2026-09-05.

INSIDER
FILED
SHARES
VALUE
Stern Sadie
EVP Chief People & Culture Off
SELL
2026-08-27
2,565.0
$226.7K
SAYER KEVIN R
Executive Chair
SELL
2026-08-20
19,308.0
$1.7M
SAYER KEVIN R
Executive Chair
SELL
2026-08-20
7,351.0
$667.3K
SAYER KEVIN R
Executive Chair
SELL
2026-08-20
97.0
$8.9K
Brown Michael Jon
EVP Chief Legal Compliance Off
SELL
2026-08-14
1,700.0
$156.3K
388 TRANSACTIONS ON RECORD

Showing the most recent few. Create a free account to see 383 more transactions on record, the cross-source screener and CSV export. We store only your email address, and there is no password to create.

Institutional holders
13F · holdings as of the latest quarter funds have reported
BlackRock, Inc.
38,244,137.0 sh
$2.6B
VANGUARD CAPITAL MANAGEMENT LLC
25,209,752.0 sh
$1.7B
VANGUARD PORTFOLIO MANAGEMENT LLC
19,656,540.0 sh
$1.3B
STATE STREET CORP
18,380,806.0 sh
$1.2B
Invesco Ltd.
15,288,133.0 sh
$1.0B
SCHEDULE 13D/G
No 5%+ ownership filings
Nobody has crossed 5% with a filing obligation. Absence is a fact here, not missing data.
Planned sales · Form 144
Filed before the sale — intent, not a trade
SADIE STERN
FILED 2026-08-27
$226.7K
KEVIN R SAYER
FILED 2026-08-20
$2.4M
MICHAEL BROWN
FILED 2026-08-14
$156.3K
Heller Bridgette P
FILED 2026-08-12
$89.3K
FOLETTA MARK G
FILED 2026-08-03
$170.6K
Fund concentration
N-PORT · funds ranked by how much of THEMSELVES they put in this stock — the conviction number 13F cannot show
Global X HealthTech ETF
$2.2M POSITION · AS OF 2026-02-28
6.1%
Motley Fool Mid-Cap Growth ETF
$6.5M POSITION · AS OF 2026-02-28
4.9%
Global X Internet of Things ETF
$9.7M POSITION · AS OF 2026-02-28
4.6%
MIG Core ETF
$22.2M POSITION · AS OF 2026-02-28
4.2%
BlackRock Mid-Cap Growth Equity Portfolio
$212.4M POSITION · AS OF 2026-02-27
3.6%
iShares U.S. Medical Devices ETF
$104.0M POSITION · AS OF 2026-03-31
3.3%
SEC N-PORT, MONTHLY WITH A ~60-DAY PUBLIC LAG · FUNDS ≥ $10M · % = SHARE OF THE FUND'S OWN BOOK
Clinical pipeline
ClinicalTrials.gov · 7 registered trials, 5 still enrolling or running — a status change here is dated weeks before the press release
1
Phase 1
1 ACTIVE
1
Phase 4
1 ACTIVE
5
Not applicable
3 ACTIVE
What changed recently
Dexcom Continuous Glucose Monitoring System Use in aReal-World, Global Registry (Dexcom
2026-09-03 · Recruiting → Active Not Recruiting
TRIALS MATCHED TO THIS TICKER BY SPONSOR NAME · STUDIES RUN UNDER A SUBSIDIARY'S OWN NAME ARE NOT INCLUDED
Executive pay vs shareholder return · Kevin Sayer
DEF 14A pay-versus-performance disclosure · both the headline pay and the SEC's mark-to-market figure, beside the return the company delivered and the return of the peer group it chose itself
FY
CEO TOTAL
ACTUALLY PAID
OTHER NEOs AVG
TSR
PEER TSR
2020
$13.8M
$45.1M
$5.7M
+69%
+33%
TAGGED BY THE COMPANY UNDER SEC ITEM 402(v) · RETURN IS CUMULATIVE FROM THE START OF THE DISCLOSURE PERIOD · GREEN WHERE THE COMPANY BEAT ITS OWN PEER GROUP
Fundamentals
Annual figures from XBRL filings · pick a past date to see them exactly as the market knew them then — restatements and all
2025-122024-122023-122022-12
REVENUE$4.7B$4.0B$3.6B$2.9B
GROSS PROFIT$2.8B$2.4B$2.3B$1.9B
OPERATING INCOME$911.8M$600.0M$597.7M$391.2M
NET INCOME$836.3M$576.2M$541.5M$341.2M
EPS (DILUTED)2.091.421.300.82
OPERATING CASH FLOW$1.4B$989.5M$748.5M$669.5M
CASH$917.7M$606.1M$566.3M$642.3M
BUYBACKS$500.0M$750.0M$688.7M$557.7M
SEC XBRL · FISCAL-YEAR PERIODS · AS KNOWN ON 2026-09-05 · NOBODY ELSE SHOWS FUNDAMENTALS AS OF A PAST DATE
W WAVEMAN

Public filings, honestly analyzed. Official US government sources in one desk — every figure carries the date it was filed, and the methodology is published, backtest included.

SEC FORM 4FORM 13F 13D/GFORM 144XBRL STOCK ACTCONTRACTSFEC CFPBNRC
© 2026 WAVEMAN · SOURCE: SEC EDGAR & OFFICIAL GOVERNMENT DATA · NOT INVESTMENT ADVICE · CHART BY TRADINGVIEW · UPDATED 2026-09-05 ALL SYSTEMS LIVE FOR MACHINES →