DXCM insider trading
DexCom, Inc. · end-of-day data as of Oct 16, 2026
DexCom, Inc.
$86.04+20.3%
Buy · 29 analystsPT $96.98 +12.7%
In the last 12 months DXCM insiders made 1 open-market purchase worth $1M and 27 sales worth $12.62M, as reported on SEC Form 4. The latest: Stern Sadie (officer: EVP Chief People & Culture Off) sold 2,565 shares at $86.15 on Sep 28, 2026.
Last 90 days
- Insiders-$6.6M
Transactions
Open-market buys $1M · sells $12.62M over the last 365 days (1 buys, 27 sells).
| Sep 28, 2026 | Stern Sadie | Sell | 2,565 | $86.15 | $221K |
| Sep 15, 2026 | AUGUSTINOS NICHOLAS | Sell | 6,539 | $84.04 | $550K |
| Sep 15, 2026 | Brown Michael Jon | Sell | 1,700 | $84.04 | $143K |
| Sep 14, 2026 | AUGUSTINOS NICHOLAS | Sell | 1,550 | $84.02 | $130K |
| Sep 10, 2026 | Boehnlein Glenn S | Other | 5,841 | — | — |
| Sep 10, 2026 | Sylvain Jereme M | Sell | 3,638 | $83.27 | $303K |
| Aug 27, 2026 | Stern Sadie | Sell | 2,565 | $88.37 | $227K |
| Aug 22, 2026 | Brown Michael Jon | Other | 1,451 | $92.34 | $134K |
| Aug 22, 2026 | Leach Jacob Steven | Other | 1,451 | $92.34 | $134K |
| Aug 22, 2026 | Stern Sadie | Other | 1,451 | $92.34 | $134K |
| Aug 22, 2026 | Sylvain Jereme M | Other | 1,451 | $92.34 | $134K |
| Aug 20, 2026 | SAYER KEVIN R | Sell | 26,756 | $90.01 | $2.41M |
| Aug 14, 2026 | Brown Michael Jon | Sell | 1,700 | $91.93 | $156K |
| Aug 12, 2026 | AUGUSTINOS NICHOLAS | Other | 1,075 | — | — |
| Aug 12, 2026 | Heller Bridgette P | Sell | 1,012 | $88.29 | $89.35K |
| Aug 3, 2026 | FOLETTA MARK G | Sell | 2,000 | $85.32 | $171K |
| Jul 31, 2026 | FOLETTA MARK G | Sell | 2,000 | $80.00 | $160K |
| Jul 20, 2026 | SAYER KEVIN R | Sell | 26,756 | $76.32 | $2.04M |
| Jul 15, 2026 | Brown Michael Jon | Sell | 1,700 | $74.42 | $127K |
| Jul 6, 2026 | SAYER KEVIN R | Sell | 26,756 | $72.00 | $1.93M |
Source: SEC Form 4 filings. "Other" covers awards, option exercises and gifts.