DexCom, Inc.
DXCMLast close · Oct 16, 202686.04−1.67 (−1.90%)
Market cap$32.5B
Between May 28, 2026 and Sep 28, 2026, Dexcom (DXCM) insiders filed 37 Form 4 transactions: 21 sales worth $9.8M in total and no open-market purchase; 21 of the sales were under 10b5-1 plans set in advance. The largest seller was Sayer Kevin R, $2.0M. 16 other filings were grants, exercises or gifts, which say nothing about buying or selling.
37
0
21
21
Form 4 transactions
| Date | Insider | Title | Code | Plan | Shares | Price | Value |
|---|---|---|---|---|---|---|---|
| 2026-09-28 | Stern Sadie | EVP Chief People & Culture Off | S | 10b5-1 | 2,565 | 86.15 | $220,974.8 |
| 2026-09-14 | AUGUSTINOS NICHOLAS | Director | S | 10b5-1 | 1,550 | 84.02 | $130,231 |
| 2026-09-15 | AUGUSTINOS NICHOLAS | Director | S | 10b5-1 | 6,539 | 84.04 | $549,537.6 |
| 2026-09-15 | Brown Michael Jon | EVP Chief Legal Compliance Off | S | 10b5-1 | 1,700 | 84.04 | $142,868 |
| 2026-09-10 | Sylvain Jereme M | EVP, Chief Financal Officer | S | 10b5-1 | 3,638 | 83.27 | $302,936.3 |
| 2026-09-10 | Boehnlein Glenn S | Director | A | 5,841 | 0.00 | $0 | |
| 2026-08-27 | Stern Sadie | EVP Chief People & Culture Off | S | 10b5-1 | 2,565 | 88.37 | $226,669.1 |
| 2026-08-22 | Leach Jacob Steven | President, CEO, and Director | F | 1,451 | 92.34 | $133,985.3 | |
| 2026-08-22 | Sylvain Jereme M | EVP, Chief Financal Officer | F | 1,451 | 92.34 | $133,985.3 | |
| 2026-08-22 | Brown Michael Jon | EVP Chief Legal Compliance Off | F | 1,451 | 92.34 | $133,985.3 | |
| 2026-08-22 | Stern Sadie | EVP Chief People & Culture Off | F | 1,451 | 92.34 | $133,985.3 | |
| 2026-08-20 | SAYER KEVIN R | Executive Chair | S | 10b5-1 | 19,308 | 89.71 | $1.7M |
| 2026-08-20 | SAYER KEVIN R | Executive Chair | S | 10b5-1 | 7,351 | 90.78 | $667,331.9 |
| 2026-08-20 | SAYER KEVIN R | Executive Chair | S | 10b5-1 | 97 | 91.41 | $8,866.8 |
| 2026-08-14 | Brown Michael Jon | EVP Chief Legal Compliance Off | S | 10b5-1 | 1,700 | 91.93 | $156,281 |
| 2026-08-12 | AUGUSTINOS NICHOLAS | Director | G | 1,075 | 0.00 | $0 | |
| 2026-08-12 | Heller Bridgette P | Director | S | 10b5-1 | 1,012 | 88.29 | $89,349.5 |
| 2026-07-31 | FOLETTA MARK G | Director | S | 10b5-1 | 2,000 | 80.00 | $160,000 |
| 2026-08-03 | FOLETTA MARK G | Director | S | 10b5-1 | 2,000 | 85.32 | $170,640 |
| 2026-07-20 | SAYER KEVIN R | Executive Chair | S | 10b5-1 | 26,756 | 76.32 | $2.0M |
| 2026-07-15 | Brown Michael Jon | EVP Chief Legal Compliance Off | S | 10b5-1 | 1,700 | 74.42 | $126,514 |
| 2026-07-06 | SAYER KEVIN R | Executive Chair | S | 10b5-1 | 26,756 | 72.00 | $1.9M |
| 2026-06-15 | Brown Michael Jon | EVP Chief Legal Compliance Off | S | 10b5-1 | 1,700 | 75.55 | $128,435 |
| 2026-06-15 | FOLETTA MARK G | Director | S | 10b5-1 | 3,801 | 74.10 | $281,650.7 |
| 2026-06-15 | FOLETTA MARK G | Director | S | 10b5-1 | 199 | 74.82 | $14,888.9 |
| 2026-06-03 | Coleman Jon | EVP, Chief Commercial Officer | S | 10b5-1 | 4,912 | 73.00 | $358,576 |
| 2026-06-04 | Coleman Jon | EVP, Chief Commercial Officer | S | 10b5-1 | 4,911 | 74.13 | $364,052.4 |
| 2026-05-28 | ALTMAN STEVEN R | Director | A | 5,565 | 0.00 | $0 | |
| 2026-05-28 | Malady Kyle | Director | A | 5,575 | 0.00 | $0 | |
| 2026-05-28 | AUGUSTINOS NICHOLAS | Director | A | 5,575 | 0.00 | $0 | |
| 2026-05-28 | FOLETTA MARK G | Director | A | 6,331 | 0.00 | $0 | |
| 2026-05-28 | Heller Bridgette P | Director | A | 5,575 | 0.00 | $0 | |
| 2026-05-28 | Osterloh Albert Frederick IV | Director | A | 1,630 | 0.00 | $0 | |
| 2026-05-28 | Driscoll Rimma | Director | A | 5,605 | 0.00 | $0 | |
| 2026-05-28 | Ashley Euan A. | Director | A | 5,565 | 0.00 | $0 | |
| 2026-05-28 | Collins Richard Alexander | Director | A | 5,605 | 0.00 | $0 | |
| 2026-05-28 | GALA RENEE D | Director | A | 5,605 | 0.00 | $0 |
Codes are the SEC's: P open-market purchase, S open-market sale; M exercise, F tax withholding, A grant and G gift are routine. A 10b5-1 flag means the trade ran under a plan adopted in advance. Method notes in where the numbers come from.