DexCom, Inc. (DXCM)
Nasdaq: DXCM · Surgical & Medical Instruments & Apparatus · San Diego, CA · filing with the SEC since 2002
Grade6.5
◀ Past 7.2● Present 6.7▶ Future 5.6
Who owns DexCom, Inc.
As filed with the SECHolders of 5% or more
3
Blackrock, Inc. holds 8.3% of Common Stock, as its SCHEDULE 13G/A filed Apr 24, 2025 says.
Directors and officers
17
report now, of 43 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 3 named at left.
Holders of 5% or moreshare of the class, as filed
Blackrock, Inc.
SCHEDULE 13G/A · filed Apr 24, 2025 · Common Stock
Vanguard Capital Management
SCHEDULE 13G · filed Apr 29, 2026 · Common Stock
Vanguard Portfolio Management
SCHEDULE 13G · filed Apr 29, 2026 · Common Stock
The Vanguard Group
SCHEDULE 13G/A · filed Mar 26, 2026 · Common Stock · reported falling below 5%, from 12.6% in Oct 30, 2025
What DXCM reports owning in othersstakes of 5% or more, and other ties
2 subsidiaries in 2 countries, from the list filed with the 10-K filed Feb 12, 2026.
Insider tradesForm 4
31sales
0purchases
31sales on a scheduled plan
9people selling
$12.8Msold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Nov 10, 2025 to Nov 10, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Nov 10, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window10 of 43 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Sayer Kevin R | Executive Chair | 6 | $8.3M | 6 | 0 | $0 |
| Brown Michael Jon | EVP Chief Legal Compliance Off | 8 | $1.0M | 8 | 0 | $0 |
| Coleman Jon | EVP, Chief Commercial Officer | 2 | $700,000 | 2 | 0 | $0 |
| Augustinos Nicholas | director | 2 | $700,000 | 2 | 0 | $0 |
| Stern Sadie | EVP Chief People & Culture Off | 3 | $600,000 | 3 | 0 | $0 |
| Foletta Mark G | director | 4 | $600,000 | 4 | 0 | $0 |
| Collins Richard Alexander | director | 2 | $400,000 | 2 | 0 | $0 |
| Sylvain Jereme M | EVP, COO & CFO | 1 | $300,000 | 1 | 0 | $0 |
| Heller Bridgette P | director | 4 | $300,000 | 4 | 0 | $0 |
| Leach Jacob Steven | President, CEO, and Director | 0 | $0 | 0 | 2 | $1.0M |