DXCM
DexCom, Inc.$74.17-1.01 (-1.34%)Prev Close$75.14·MCap$27.61B·P/E35.32·Vol3.65M·Yield—
▲
Buys (12M)
1
$1.00M
▼
Sells (12M)
25
$12.18M
◆
Net Activity
Net Seller
$11.18M
●
Active Insiders
11
last 12 mo
Over the past 12 months, insider activity at DexCom, Inc. (DXCM) has been dominated by selling, with 1 insider purchase totaling $1.00M and 25 insider sales totaling $12.18M. The most recent insider transaction was by SAYER KEVIN R (director, officer: Executive Chair), who sold $2.04M worth of shares on Jul 21, 2026. DexCom, Inc. operates in the Healthcare sector, within the Medical - Devices industry, with a market cap of $27.61B.
DXCM Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Jul 21, 2026 | SAYER KEVIN R | director, officer: Executive Chair | Sell | 26,756 | $76.32 | $2.04M | 328,970 |
| Jul 16, 2026 | Brown Michael Jon | officer: EVP Chief Legal Compliance Off | Sell | 1,700 | $74.42 | $126.5K | 104,653 |
| Jul 7, 2026 | SAYER KEVIN R | director, officer: Executive Chair | Sell | 26,756 | $72.00 | $1.93M | 355,726 |
| Jun 17, 2026 | FOLETTA MARK G | director | Sell | 4,000 | $74.13 | $296.5K | 53,051 |
| Jun 17, 2026 | Brown Michael Jon | officer: EVP Chief Legal Compliance Off | Sell | 1,700 | $75.55 | $128.4K | 106,353 |
| Jun 5, 2026 | Coleman Jon | officer: EVP, Chief Commercial Officer | Sell | 9,823 | $73.56 | $722.6K | 100,361 |
| May 26, 2026 | SAYER KEVIN R | director, officer: Executive Chair | Sell | 26,759 | $72.00 | $1.93M | 382,482 |
| May 19, 2026 | Brown Michael Jon | officer: EVP, Chief Legal Officer | Sell | 1,700 | $59.91 | $101.8K | 109,504 |
| May 14, 2026 | Heller Bridgette P | director | Sell | 1,012 | $60.01 | $60.7K | 25,007 |
| Apr 16, 2026 | Brown Michael Jon | officer: EVP, Chief Legal Officer | Sell | 1,700 | $63.04 | $107.2K | 111,204 |
| Mar 18, 2026 | Brown Michael Jon | officer: EVP, Chief Legal Officer | Sell | 1,700 | $64.85 | $110.2K | 112,904 |
| Feb 17, 2026 | Heller Bridgette P | Director | Sell | 1,012 | $68.01 | $68.8K | 0 |
| Feb 2, 2026 | Sylvain Jereme M | EVP, Chief Financal Officer | Sell | 2,652 | $73.36 | $194.6K | 0 |
| Feb 2, 2026 | Leach Jacob Steven | President, CEO, and Director | Sell | 3,058 | $73.36 | $224.3K | 0 |
| Feb 2, 2026 | Brown Michael Jon | EVP, Chief Legal Officer | Sell | 2,653 | $73.36 | $194.6K | 0 |
| Feb 2, 2026 | SAYER KEVIN R | Executive Chair | Sell | 34,257 | $73.36 | $2.51M | 0 |
| Feb 2, 2026 | Stern Sadie | EVP, Chief HR Officer | Sell | 2,656 | $73.36 | $194.8K | 0 |
| Nov 17, 2025 | Collins Richard Alexander | Director | Sell | 2,906 | $59.05 | $171.6K | 0 |
| Nov 12, 2025 | Heller Bridgette P | Director | Sell | 1,012 | $58.07 | $58.8K | 0 |
| Nov 10, 2025 | Leach Jacob Steven | President & COO | Buy | 18,200 | $55.04 | $1.00M | 0 |
| Nov 10, 2025 | Collins Richard Alexander | Director | Sell | 3,948 | $55.17 | $217.8K | 0 |
| Sep 9, 2025 | Malady Kyle | Director | Sell | 667 | $80.86 | $53.9K | 0 |
| Sep 8, 2025 | Stern Sadie | EVP, Chief HR Officer | Sell | 1,466 | $80.00 | $117.3K | 0 |
| Sep 4, 2025 | Sylvain Jereme M | EVP, Chief Financal Officer | Sell | 4,824 | $74.17 | $357.8K | 0 |
| Aug 18, 2025 | Brown Michael Jon | EVP, Chief Legal Officer | Sell | 500 | $80.29 | $40.1K | 0 |
| Aug 18, 2025 | FOLETTA MARK G | Director | Sell | 2,750 | $81.06 | $222.9K | 0 |
| Jul 29, 2025 | Stern Sadie | EVP, Chief HR Officer | Sell | 1,466 | $88.99 | $130.5K | 0 |
| Jul 17, 2025 | FOLETTA MARK G | Director | Sell | 2,750 | $85.17 | $234.2K | 0 |
| Jul 17, 2025 | Brown Michael Jon | EVP, Chief Legal Officer | Sell | 500 | $86.03 | $43.0K | 0 |
| Jun 30, 2025 | Stern Sadie | EVP, Chief HR Officer | Sell | 1,466 | $85.06 | $124.7K | 0 |
| Jun 18, 2025 | FOLETTA MARK G | Director | Sell | 2,750 | $83.13 | $228.6K | 0 |
| Jun 18, 2025 | Brown Michael Jon | EVP, Chief Legal Officer | Sell | 500 | $82.80 | $41.4K | 0 |
| Jun 17, 2025 | AUGUSTINOS NICHOLAS | Director | Sell | 6,290 | $82.34 | $517.9K | 0 |
| May 28, 2025 | Stern Sadie | EVP, Chief HR Officer | Sell | 6,184 | $85.11 | $526.3K | 0 |
| May 28, 2025 | Brown Michael Jon | EVP, Chief Legal Officer | Sell | 10,000 | $84.28 | $842.8K | 0 |
| Mar 19, 2025 | Heller Bridgette P | Director | Sell | 352 | $70.33 | $24.8K | 0 |
| Mar 14, 2025 | Brown Michael Jon | EVP, Chief Legal Officer | Sell | 13,000 | $70.38 | $914.9K | 0 |
| Mar 14, 2025 | Stern Sadie | EVP, Chief HR Officer | Sell | 11,176 | $70.38 | $786.6K | 0 |
| Mar 14, 2025 | Sylvain Jereme M | EVP, Chief Financal Officer | Sell | 12,001 | $70.38 | $844.6K | 0 |
| Mar 14, 2025 | Leach Jacob Steven | EVP, Chief Operating Officer | Sell | 14,076 | $70.38 | $990.7K | 0 |
| Mar 14, 2025 | SAYER KEVIN R | Chairman, CEO & President | Sell | 32,498 | $70.38 | $2.29M | 0 |
| Mar 11, 2025 | Sylvain Jereme M | EVP, Chief Financal Officer | Sell | 7,000 | $73.83 | $516.8K | 0 |
| Jan 30, 2025 | Dolan Matthew Vincent | EVP, Strategy & Corporate Dev | Sell | 1,183 | $86.91 | $102.8K | 42,044 |
| Jan 30, 2025 | Stern Sadie | EVP, Chief HR Officer | Sell | 2,093 | $86.91 | $181.9K | 74,261 |
| Jan 30, 2025 | SAYER KEVIN R | Chairman, CEO & President | Sell | 33,359 | $86.91 | $2.90M | 319,037 |
| Jan 30, 2025 | Sylvain Jereme M | EVP, Chief Financal Officer | Sell | 2,090 | $86.91 | $181.7K | 83,526 |
| Jan 30, 2025 | Leach Jacob Steven | EVP, Chief Operating Officer | Sell | 2,634 | $86.91 | $228.9K | 268,644 |
| Dec 17, 2024 | Sylvain Jereme M | EVP, Chief Financal Officer | Sell | 744 | $76.87 | $57.2K | 80,030 |
| Dec 17, 2024 | Heller Bridgette P | Director | Sell | 1,000 | $76.87 | $76.9K | 23,349 |
| Dec 17, 2024 | Stern Sadie | EVP, Chief HR Officer | Sell | 424 | $76.87 | $32.6K | 70,768 |
Showing 1–50 of 235
1 / 5
DXCM Insider Buying Activity
The following table shows recent insider purchases of DexCom, Inc. (DXCM) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Nov 10, 2025 | Leach Jacob Steven | President & COO | Buy | 18,200 | $55.04 | $1.00M | 0 |
DXCM Insider Selling Activity
The following table shows recent insider sales of DexCom, Inc. (DXCM) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Jul 21, 2026 | SAYER KEVIN R | director, officer: Executive Chair | Sell | 26,756 | $76.32 | $2.04M | 328,970 |
| Jul 16, 2026 | Brown Michael Jon | officer: EVP Chief Legal Compliance Off | Sell | 1,700 | $74.42 | $126.5K | 104,653 |
| Jul 7, 2026 | SAYER KEVIN R | director, officer: Executive Chair | Sell | 26,756 | $72.00 | $1.93M | 355,726 |
| Jun 17, 2026 | FOLETTA MARK G | director | Sell | 4,000 | $74.13 | $296.5K | 53,051 |
| Jun 17, 2026 | Brown Michael Jon | officer: EVP Chief Legal Compliance Off | Sell | 1,700 | $75.55 | $128.4K | 106,353 |
| Jun 5, 2026 | Coleman Jon | officer: EVP, Chief Commercial Officer | Sell | 9,823 | $73.56 | $722.6K | 100,361 |
| May 26, 2026 | SAYER KEVIN R | director, officer: Executive Chair | Sell | 26,759 | $72.00 | $1.93M | 382,482 |
| May 19, 2026 | Brown Michael Jon | officer: EVP, Chief Legal Officer | Sell | 1,700 | $59.91 | $101.8K | 109,504 |
| May 14, 2026 | Heller Bridgette P | director | Sell | 1,012 | $60.01 | $60.7K | 25,007 |
| Apr 16, 2026 | Brown Michael Jon | officer: EVP, Chief Legal Officer | Sell | 1,700 | $63.04 | $107.2K | 111,204 |
| Mar 18, 2026 | Brown Michael Jon | officer: EVP, Chief Legal Officer | Sell | 1,700 | $64.85 | $110.2K | 112,904 |
| Feb 17, 2026 | Heller Bridgette P | Director | Sell | 1,012 | $68.01 | $68.8K | 0 |
| Feb 2, 2026 | Sylvain Jereme M | EVP, Chief Financal Officer | Sell | 2,652 | $73.36 | $194.6K | 0 |
| Feb 2, 2026 | Leach Jacob Steven | President, CEO, and Director | Sell | 3,058 | $73.36 | $224.3K | 0 |
| Feb 2, 2026 | Brown Michael Jon | EVP, Chief Legal Officer | Sell | 2,653 | $73.36 | $194.6K | 0 |
| Feb 2, 2026 | SAYER KEVIN R | Executive Chair | Sell | 34,257 | $73.36 | $2.51M | 0 |
| Feb 2, 2026 | Stern Sadie | EVP, Chief HR Officer | Sell | 2,656 | $73.36 | $194.8K | 0 |
| Nov 17, 2025 | Collins Richard Alexander | Director | Sell | 2,906 | $59.05 | $171.6K | 0 |
| Nov 12, 2025 | Heller Bridgette P | Director | Sell | 1,012 | $58.07 | $58.8K | 0 |
| Nov 10, 2025 | Collins Richard Alexander | Director | Sell | 3,948 | $55.17 | $217.8K | 0 |
| Sep 9, 2025 | Malady Kyle | Director | Sell | 667 | $80.86 | $53.9K | 0 |
| Sep 8, 2025 | Stern Sadie | EVP, Chief HR Officer | Sell | 1,466 | $80.00 | $117.3K | 0 |
| Sep 4, 2025 | Sylvain Jereme M | EVP, Chief Financal Officer | Sell | 4,824 | $74.17 | $357.8K | 0 |
| Aug 18, 2025 | Brown Michael Jon | EVP, Chief Legal Officer | Sell | 500 | $80.29 | $40.1K | 0 |
| Aug 18, 2025 | FOLETTA MARK G | Director | Sell | 2,750 | $81.06 | $222.9K | 0 |
| Jul 29, 2025 | Stern Sadie | EVP, Chief HR Officer | Sell | 1,466 | $88.99 | $130.5K | 0 |
| Jul 17, 2025 | FOLETTA MARK G | Director | Sell | 2,750 | $85.17 | $234.2K | 0 |
| Jul 17, 2025 | Brown Michael Jon | EVP, Chief Legal Officer | Sell | 500 | $86.03 | $43.0K | 0 |
| Jun 30, 2025 | Stern Sadie | EVP, Chief HR Officer | Sell | 1,466 | $85.06 | $124.7K | 0 |
| Jun 18, 2025 | FOLETTA MARK G | Director | Sell | 2,750 | $83.13 | $228.6K | 0 |
| Jun 18, 2025 | Brown Michael Jon | EVP, Chief Legal Officer | Sell | 500 | $82.80 | $41.4K | 0 |
| Jun 17, 2025 | AUGUSTINOS NICHOLAS | Director | Sell | 6,290 | $82.34 | $517.9K | 0 |
| May 28, 2025 | Stern Sadie | EVP, Chief HR Officer | Sell | 6,184 | $85.11 | $526.3K | 0 |
| May 28, 2025 | Brown Michael Jon | EVP, Chief Legal Officer | Sell | 10,000 | $84.28 | $842.8K | 0 |
| Mar 19, 2025 | Heller Bridgette P | Director | Sell | 352 | $70.33 | $24.8K | 0 |
| Mar 14, 2025 | Brown Michael Jon | EVP, Chief Legal Officer | Sell | 13,000 | $70.38 | $914.9K | 0 |
| Mar 14, 2025 | Stern Sadie | EVP, Chief HR Officer | Sell | 11,176 | $70.38 | $786.6K | 0 |
| Mar 14, 2025 | Sylvain Jereme M | EVP, Chief Financal Officer | Sell | 12,001 | $70.38 | $844.6K | 0 |
| Mar 14, 2025 | Leach Jacob Steven | EVP, Chief Operating Officer | Sell | 14,076 | $70.38 | $990.7K | 0 |
| Mar 14, 2025 | SAYER KEVIN R | Chairman, CEO & President | Sell | 32,498 | $70.38 | $2.29M | 0 |
| Mar 11, 2025 | Sylvain Jereme M | EVP, Chief Financal Officer | Sell | 7,000 | $73.83 | $516.8K | 0 |
| Jan 30, 2025 | Dolan Matthew Vincent | EVP, Strategy & Corporate Dev | Sell | 1,183 | $86.91 | $102.8K | 42,044 |
| Jan 30, 2025 | Stern Sadie | EVP, Chief HR Officer | Sell | 2,093 | $86.91 | $181.9K | 74,261 |
| Jan 30, 2025 | SAYER KEVIN R | Chairman, CEO & President | Sell | 33,359 | $86.91 | $2.90M | 319,037 |
| Jan 30, 2025 | Sylvain Jereme M | EVP, Chief Financal Officer | Sell | 2,090 | $86.91 | $181.7K | 83,526 |
| Jan 30, 2025 | Leach Jacob Steven | EVP, Chief Operating Officer | Sell | 2,634 | $86.91 | $228.9K | 268,644 |
| Dec 17, 2024 | Sylvain Jereme M | EVP, Chief Financal Officer | Sell | 744 | $76.87 | $57.2K | 80,030 |
| Dec 17, 2024 | Heller Bridgette P | Director | Sell | 1,000 | $76.87 | $76.9K | 23,349 |
| Dec 17, 2024 | Stern Sadie | EVP, Chief HR Officer | Sell | 424 | $76.87 | $32.6K | 70,768 |
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