Dexcom Inc. insider trading
In the last twelve months insiders at Dexcom Inc. filed 28 open-market sales worth $12.2 million and 2 open-market purchases worth $1.0 million, on Form 4 with the SEC. The latest: Augustinos Nicholas, Director, sold 6,539 shares at $84.04 on 15 September 2026, filed 16 September 2026.
| Traded | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 15 September 2026 | Augustinos Nicholas | Director | Sale | 6,539 | $84.04 | $549,538 | Form 4 |
| 15 September 2026 | Brown Michael Jon | EVP Chief Legal Compliance Off | Sale | 1,700 | $84.04 | $142,868 | Form 4 |
| 14 September 2026 | Augustinos Nicholas | Director | Sale | 1,550 | $84.02 | $130,231 | Form 4 |
| 10 September 2026 | Sylvain Jereme M | EVP, Chief Financal Officer | Sale | 3,638 | $83.27 | $302,936 | Form 4 |
| 27 August 2026 | Stern Sadie | EVP Chief People & Culture Off | Sale | 2,565 | $88.37 | $226,669 | Form 4 |
| 20 August 2026 | Sayer Kevin R | Executive Chair | Sale | 19,308 | $89.71 | $1.7 million | Form 4 |
| 20 August 2026 | Sayer Kevin R | Executive Chair | Sale | 7,351 | $90.78 | $667,332 | Form 4 |
| 20 August 2026 | Sayer Kevin R | Executive Chair | Sale | 97 | $91.41 | $8,867 | Form 4 |
| 14 August 2026 | Brown Michael Jon | EVP Chief Legal Compliance Off | Sale | 1,700 | $91.93 | $156,281 | Form 4 |
| 12 August 2026 | Heller Bridgette P | Director | Sale | 1,012 | $88.29 | $89,349 | Form 4 |
| 3 August 2026 | Foletta Mark G | Director | Sale | 2,000 | $85.32 | $170,640 | Form 4 |
| 31 July 2026 | Foletta Mark G | Director | Sale | 2,000 | $80.00 | $160,000 | Form 4 |
| 20 July 2026 | Sayer Kevin R | Executive Chair | Sale | 26,756 | $76.32 | $2.0 million | Form 4 |
| 15 July 2026 | Brown Michael Jon | EVP Chief Legal Compliance Off | Sale | 1,700 | $74.42 | $126,514 | Form 4 |
| 6 July 2026 | Sayer Kevin R | Executive Chair | Sale | 26,756 | $72.00 | $1.9 million | Form 4 |
| 15 June 2026 | Brown Michael Jon | EVP Chief Legal Compliance Off | Sale | 1,700 | $75.55 | $128,435 | Form 4 |
| 15 June 2026 | Foletta Mark G | Director | Sale | 3,801 | $74.10 | $281,651 | Form 4 |
| 15 June 2026 | Foletta Mark G | Director | Sale | 199 | $74.82 | $14,889 | Form 4 |
| 4 June 2026 | Coleman Jon | EVP, Chief Commercial Officer | Sale | 4,911 | $74.13 | $364,052 | Form 4 |
| 3 June 2026 | Coleman Jon | EVP, Chief Commercial Officer | Sale | 4,912 | $73.00 | $358,576 | Form 4 |
| 21 May 2026 | Sayer Kevin R | Executive Chair | Sale | 26,759 | $72.00 | $1.9 million | Form 4 |
| 15 May 2026 | Brown Michael Jon | EVP, Chief Legal Officer | Sale | 1,700 | $59.91 | $101,847 | Form 4 |
| 12 May 2026 | Heller Bridgette P | Director | Sale | 1,012 | $60.01 | $60,730 | Form 4 |
| 15 April 2026 | Brown Michael Jon | EVP, Chief Legal Officer | Sale | 1,700 | $63.04 | $107,168 | Form 4 |
| 16 March 2026 | Brown Michael Jon | EVP, Chief Legal Officer | Sale | 1,700 | $64.85 | $110,245 | Form 4 |
| 12 February 2026 | Heller Bridgette P | Director | Sale | 1,012 | $68.01 | $68,826 | Form 4 |
| 14 November 2025 | Collins Richard Alexander | Director | Sale | 2,906 | $59.05 | $171,599 | Form 4 |
| 12 November 2025 | Heller Bridgette P | Director | Sale | 1,012 | $58.07 | $58,767 | Form 4 |
| 10 November 2025 | Leach Jacob Steven | President & COO | Purchase | 15,700 | $54.98 | $863,139 | Form 4 |
| 10 November 2025 | Leach Jacob Steven | President & COO | Purchase | 2,500 | $55.43 | $138,563 | Form 4 |
Open-market purchases (code P) and sales (code S) only. Option exercises, grants, tax withholding and gifts are not shown. A filing with several lines appears once per line.
Source
Form 4 filings on EDGAR for Dexcom Inc.: the company's filing index.
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