CIK 0001093557 · Large accelerated filer
DEXCOM INC
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- DXCM
- Exchange
- Nasdaq
- Industry
- Surgical & Medical Instruments & Apparatus
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 330857544
- Phone
- 8582000200
- Business address
- 6340 SEQUENCE DRIVE, SAN DIEGO, CA, 92121
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $4,328,435
- in 8 filings, $4.3M under 10b5-1 plans
Net −$4,328,435. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
- SAYER KEVIN R −$2.4M Executive Chair sold 8% of stake
- AUGUSTINOS NICHOLAS −$680K Director sold 22% of stake
- Stern Sadie −$649K EVP Chief People & Culture Off sold 6% of stake
- Sylvain Jereme M −$303K EVP, Chief Financal Officer sold 2% of stake
- Brown Michael Jon −$288K EVP Chief Legal Compliance Off sold 3% of stake
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-10-27 | Stern Sadie EVP Chief People & Culture Off | Sale 10b5-1 | −2,565 | $78.62 | $202K | 120,913 |
| 2026-10-15 | Brown Michael Jon EVP Chief Legal Compliance Off | Sale 10b5-1 | −1,700 | $85.48 | $145K | 98,185 |
| 2026-09-28 | Stern Sadie EVP Chief People & Culture Off | Sale 10b5-1 | −2,565 | $86.15 | $221K | 123,478 |
| 2026-09-15 | AUGUSTINOS NICHOLAS Director | Sale 10b5-1 | −6,539 | $84.04 | $550K | 29,293 |
| 2026-09-15 | Brown Michael Jon EVP Chief Legal Compliance Off | Sale 10b5-1 | −1,700 | $84.04 | $143K | 99,885 |
| 2026-09-14 | AUGUSTINOS NICHOLAS Director | Sale 10b5-1 | −1,550 | $84.02 | $130K | 35,832 |
| 2026-09-10 | Sylvain Jereme M EVP, Chief Financal Officer | Sale 10b5-1 | −3,638 | $83.27 | $303K | 146,828 |
| 2026-08-27 | Stern Sadie EVP Chief People & Culture Off | Sale 10b5-1 | −2,565 | $88.37 | $227K | 126,043 |
| 2026-08-20 | SAYER KEVIN R Executive Chair | Sale 10b5-1 | −19,308 | $89.71 | $1.7M | 309,662 |
| 2026-08-20 | SAYER KEVIN R Executive Chair | Sale 10b5-1 | −7,351 | $90.78 | $667K | 302,311 |
| 2026-08-20 | SAYER KEVIN R Executive Chair | Sale 10b5-1 | −97 | $91.41 | $9K | 302,214 |
| 2026-08-14 | Brown Michael Jon EVP Chief Legal Compliance Off | Sale 10b5-1 | −1,700 | $91.93 | $156K | 102,953 |
| 2026-08-12 | Heller Bridgette P Director | Sale 10b5-1 | −1,012 | $88.29 | $89K | 29,570 |
| 2026-08-03 | FOLETTA MARK G Director | Sale 10b5-1 | −2,000 | $85.32 | $171K | 48,852 |
| 2026-07-31 | FOLETTA MARK G Director | Sale 10b5-1 | −2,000 | $80.00 | $160K | 50,852 |
| 2026-07-20 | SAYER KEVIN R Executive Chair | Sale 10b5-1 | −26,756 | $76.32 | $2.0M | 328,970 |
| 2026-07-15 | Brown Michael Jon EVP Chief Legal Compliance Off | Sale 10b5-1 | −1,700 | $74.42 | $127K | 104,653 |
| 2026-07-06 | SAYER KEVIN R Executive Chair | Sale 10b5-1 | −26,756 | $72.00 | $1.9M | 355,726 |
| 2026-06-15 | Brown Michael Jon EVP Chief Legal Compliance Off | Sale 10b5-1 | −1,700 | $75.55 | $128K | 106,353 |
| 2026-06-15 | FOLETTA MARK G Director | Sale 10b5-1 | −3,801 | $74.10 | $282K | 53,051 |
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