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 |
|---|---|---|---|---|---|---|
| 2026-08-20 | 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 |
| 2026-08-12 | AUGUSTINOS NICHOLAS Director | Gift | −1,075 | 37,382 | ||
| 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 |
| 2026-06-15 | FOLETTA MARK G Director | Sale 10b5-1 | −199 | $74.82 | $15K | 52,852 |
| 2026-06-04 | Coleman Jon EVP, Chief Commercial Officer | Sale 10b5-1 | −4,911 | $74.13 | $364K | 95,450 |
| 2026-06-03 | Coleman Jon EVP, Chief Commercial Officer | Sale 10b5-1 | −4,912 | $73.00 | $359K | 100,361 |
| 2026-05-28 | ALTMAN STEVEN R Director | Grant or award | +5,565 | 5,565 | ||
| 2026-05-28 | Malady Kyle Director | Grant or award | +5,575 | 28,242 | ||
| 2026-05-28 | AUGUSTINOS NICHOLAS Director | Grant or award | +5,575 | 5,575 | ||
| 2026-05-28 | FOLETTA MARK G Director | Grant or award | +6,331 | 6,331 | ||
| 2026-05-28 | Heller Bridgette P Director | Grant or award | +5,575 | 30,582 | ||
| 2026-05-28 | Osterloh Albert Frederick IV Director | Grant or award | +1,630 | 8,691 |
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