DEXCOM INC (DXCM)

Latest Insider Confidence Score

2026Q1

54.2
Bullish

Company insider confidence (by quarter)

2018Q1 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Topol Eric Director 380,545 May 12, 2025
Sayer Kevin R Chair 372,029 Mar 14, 2025
Abbey Donald EVP Global Business Services I 208,023 Mar 14, 2023
Pacelli Steven Robert EVP Managing Director Dexcom V 124,775 Nov 27, 2023
Sylvain Jereme M EVP, Chief Financal Officer 118,657 Sep 4, 2025

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Feb 26, 2026 Feb 26, 2026 Osterloh Albert Frederick IV Director Neutral 90.0 +7,061 100.00% ✗ -
Feb 26, 2026 Osterloh Albert Frederick IV Director Neutral 52.5 - 0.00% ✗ -
Feb 12, 2026 Feb 17, 2026 Heller Bridgette P Director Sell 38.8 -1,012 -3.74% ✓ $68.8K
Jan 29, 2026 Feb 2, 2026 Leach Jacob Steven CEO Sell 82.5 +5,252 1.39% ✗ $224.3K
Jan 29, 2026 Feb 2, 2026 Stern Sadie EVP, Chief HR Officer Sell 87.5 +4,467 4.25% ✗ $194.8K
Jan 29, 2026 Feb 2, 2026 Sylvain Jereme M EVP, Chief Financal Officer Sell 87.5 +4,471 3.77% ✗ $194.6K
Jan 29, 2026 Feb 2, 2026 Brown Michael Jon EVP, Chief Legal Officer Sell 87.5 +4,470 4.75% ✗ $194.6K
Jan 29, 2026 Feb 2, 2026 SAYER KEVIN R Chair Sell 95.0 +36,961 9.93% ✗ $2.5M
Nov 14, 2025 Nov 17, 2025 Collins Richard Alexander Director Sell 32.5 -2,906 -6.75% ✓ $171.6K
Nov 12, 2025 Nov 12, 2025 Heller Bridgette P Director Sell 37.5 -1,012 -3.61% ✓ $58.8K
Nov 10, 2025 Nov 10, 2025 Leach Jacob Steven COO Buy 95.0 +18,200 5.04% ✗ $1M
Nov 10, 2025 Nov 10, 2025 Collins Richard Alexander Director Sell 28.8 -3,948 -8.40% ✓ $217.8K
Oct 24, 2025 Oct 28, 2025 Ashley Euan A. Director Neutral 90.0 +7,166 100.00% ✗ -
Oct 28, 2025 Ashley Euan A. Director Neutral 52.5 - 0.00% ✗ -
Sep 5, 2025 Sep 9, 2025 Malady Kyle Director Sell 41.3 -667 -2.86% ✓ $53.9K
Sep 4, 2025 Sep 8, 2025 Stern Sadie EVP, Chief HR Officer Sell 45.0 -1,466 -1.37% ✓ $117.3K
Sep 2, 2025 Sep 4, 2025 Sylvain Jereme M EVP, Chief Financal Officer Sell 35.0 -4,824 -3.91% ✓ $357.8K
Aug 15, 2025 Aug 18, 2025 Brown Michael Jon EVP, Chief Legal Officer Sell 51.3 -500 -0.53% ✓ $40.1K
Aug 15, 2025 Aug 18, 2025 FOLETTA MARK G Director Sell 37.5 -2,750 -4.61% ✓ $222.9K
Jul 28, 2025 Jul 29, 2025 Stern Sadie EVP, Chief HR Officer Sell 45.0 -1,466 -1.36% ✓ $130.5K
Jul 15, 2025 Jul 17, 2025 FOLETTA MARK G Director Sell 37.5 -2,750 -4.41% ✓ $234.2K
Jul 15, 2025 Jul 17, 2025 Brown Michael Jon EVP, Chief Legal Officer Sell 51.3 -500 -0.53% ✓ $43K
May 8, 2025 Jul 7, 2025 GALA RENEE D Director Neutral 90.0 +1,161 20.30% ✗ -
Jun 26, 2025 Jun 30, 2025 Stern Sadie EVP, Chief HR Officer Sell 45.0 -1,466 -1.34% ✓ $124.7K
Jun 16, 2025 Jun 18, 2025 FOLETTA MARK G Director Sell 37.5 -2,750 -4.22% ✓ $228.6K
Jun 16, 2025 Jun 18, 2025 Brown Michael Jon EVP, Chief Legal Officer Sell 51.3 -500 -0.52% ✓ $41.4K
Jun 13, 2025 Jun 17, 2025 AUGUSTINOS NICHOLAS Director Sell 22.5 -6,290 -14.06% ✓ $517.9K
May 27, 2025 May 28, 2025 Stern Sadie EVP, Chief HR Officer Sell 30.0 -6,184 -5.34% ✓ $526.3K
May 23, 2025 May 28, 2025 Brown Michael Jon EVP, Chief Legal Officer Sell 26.3 -10,000 -9.47% ✓ $842.8K
May 22, 2025 May 27, 2025 Coleman Jon EVP, Chief Commercial Officer Neutral 90.0 +68,738 100.00% ✗ -
May 8, 2025 May 12, 2025 Driscoll Rimma Director Neutral 90.0 +5,074 76.42% ✗ -
May 8, 2025 May 12, 2025 GALA RENEE D Director Neutral 90.0 +5,074 88.71% ✗ -
May 8, 2025 May 12, 2025 Malady Kyle Director Neutral 90.0 +5,192 28.62% ✗ -
May 8, 2025 May 12, 2025 Dahut Karen M Director Neutral 52.5 - 0.00% ✗ -
May 8, 2025 May 12, 2025 Heller Bridgette P Director Neutral 90.0 +5,046 21.94% ✗ -
May 8, 2025 May 12, 2025 AUGUSTINOS NICHOLAS Director Neutral 90.0 +5,046 12.71% ✗ -
May 8, 2025 May 12, 2025 FOLETTA MARK G Director Neutral 85.0 +5,731 9.65% ✗ -
May 8, 2025 May 12, 2025 Collins Richard Alexander Director Neutral 90.0 +5,074 12.10% ✗ -
May 8, 2025 May 12, 2025 ALTMAN STEVEN R Director Neutral 85.0 +5,037 8.59% ✗ -
May 8, 2025 May 12, 2025 TOPOL ERIC Director Neutral 52.5 - 0.00% ✗ -
Mar 31, 2025 Coleman Jon EVP, Chief Commercial Officer Neutral 52.5 - 0.00% ✗ -
Mar 17, 2025 Mar 19, 2025 Heller Bridgette P Director Sell 48.8 -352 -1.51% ✓ $24.8K
Mar 12, 2025 Mar 14, 2025 Leach Jacob Steven COO Sell 40.0 -14,076 -3.75% ✗ $990.7K
Mar 12, 2025 Mar 14, 2025 Brown Michael Jon EVP, Chief Legal Officer Sell 40.0 -13,000 -10.96% ✗ $914.9K
Mar 12, 2025 Mar 14, 2025 Sylvain Jereme M EVP, Chief Financal Officer Sell 40.0 -12,001 -8.86% ✗ $844.6K
Mar 12, 2025 Mar 14, 2025 Stern Sadie EVP, Chief HR Officer Sell 40.0 -11,176 -8.80% ✗ $786.6K
Mar 12, 2025 Mar 14, 2025 SAYER KEVIN R CEO Sell 37.5 -32,498 -8.03% ✗ $2.3M
Mar 8, 2025 Mar 11, 2025 SAYER KEVIN R CEO Neutral 90.0 +85,490 26.80% ✗ -
Mar 8, 2025 Mar 11, 2025 Leach Jacob Steven COO Neutral 90.0 +58,704 18.57% ✗ -
Mar 8, 2025 Mar 11, 2025 Stern Sadie EVP, Chief HR Officer Neutral 90.0 +52,720 70.99% ✗ -
Mar 8, 2025 Mar 11, 2025 Brown Michael Jon EVP, Chief Legal Officer Neutral 90.0 +52,720 80.02% ✗ -
Mar 8, 2025 Mar 11, 2025 Sylvain Jereme M EVP, Chief Financal Officer Sell 97.5 +51,704 61.72% ✗ $516.8K
Mar 6, 2025 Mar 10, 2025 GALA RENEE D Director Neutral 90.0 +5,720 100.00% ✗ -
Mar 10, 2025 GALA RENEE D Director Neutral 52.5 - 0.00% ✗ -
Jan 28, 2025 Jan 30, 2025 Sylvain Jereme M EVP, Chief Financal Officer Sell 87.5 +3,496 4.37% ✗ $181.7K
Jan 28, 2025 Jan 30, 2025 Dolan Matthew Vincent EVP, Strategy & Corporate Dev Sell 87.5 +1,865 4.64% ✗ $102.8K
Jan 28, 2025 Jan 30, 2025 Stern Sadie EVP, Chief HR Officer Sell 87.5 +3,493 4.94% ✗ $181.9K
Jan 28, 2025 Jan 30, 2025 Leach Jacob Steven COO Sell 82.5 +4,473 1.44% ✗ $228.9K
Jan 28, 2025 Jan 30, 2025 SAYER KEVIN R CEO Sell 100.0 +35,144 12.38% ✗ $2.9M
Dec 16, 2024 Dec 17, 2024 Stern Sadie EVP, Chief HR Officer Sell 48.8 -424 -0.60% ✗ $32.6K
Dec 16, 2024 Dec 17, 2024 Sylvain Jereme M EVP, Chief Financal Officer Sell 45.0 -744 -0.92% ✗ $57.2K
Dec 16, 2024 Dec 17, 2024 Leach Jacob Steven COO Sell 47.5 -744 -0.24% ✗ $57.2K
Dec 16, 2024 Dec 17, 2024 Heller Bridgette P Director Sell 37.5 -1,000 -4.11% ✓ $76.9K
Nov 20, 2024 Nov 22, 2024 Stern Sadie EVP, Chief HR Officer Sell 40.0 -4,259 -5.64% ✗ $318.3K
Nov 15, 2024 Nov 18, 2024 Sylvain Jereme M EVP, Chief Financal Officer Sell 35.0 -3,500 -4.15% ✓ $264.3K
Sep 16, 2024 Sep 17, 2024 Heller Bridgette P Director Sell 37.5 -1,000 -3.94% ✓ $70K
Sep 9, 2024 Sep 11, 2024 Stern Sadie EVP, Chief HR Officer Sell 48.8 -426 -0.56% ✗ $29.5K
Sep 9, 2024 Sep 11, 2024 Sylvain Jereme M EVP, Chief Financal Officer Sell 45.0 -746 -0.88% ✗ $51.6K
Sep 9, 2024 Sep 11, 2024 Leach Jacob Steven COO Sell 47.5 -746 -0.24% ✗ $51.6K
Aug 30, 2024 Sep 3, 2024 Brown Michael Jon EVP, Chief Legal Officer Sell 48.8 -686 -1.03% ✓ $48K
Jul 31, 2024 Aug 1, 2024 Brown Michael Jon EVP, Chief Legal Officer Sell 51.3 -652 -0.97% ✓ $45.3K
Jun 28, 2024 Jun 28, 2024 Brown Michael Jon EVP Chief Legal Officer Sell 47.5 -659 -0.98% ✓ $75.3K
Jun 17, 2024 Jun 20, 2024 FOLETTA MARK G Director Sell 26.3 -6,000 -9.18% ✓ $702K
Jun 14, 2024 Jun 18, 2024 Heller Bridgette P Director Sell 37.5 -1,000 -3.80% ✓ $113.6K
Jun 10, 2024 Jun 11, 2024 Sylvain Jereme M CFO Sell 45.0 -745 -0.87% ✗ $85.7K
Jun 10, 2024 Jun 11, 2024 Stern Sadie EVP Chief HR Officer Sell 48.8 -427 -0.56% ✗ $49.1K
Jun 10, 2024 Jun 11, 2024 Leach Jacob Steven COO Sell 47.5 -745 -0.24% ✗ $85.7K
May 31, 2024 May 31, 2024 Brown Michael Jon EVP Chief Legal Officer Sell 47.5 -652 -0.96% ✓ $77.7K
May 22, 2024 May 24, 2024 TOPOL ERIC Director Neutral 67.5 +2,618 0.69% ✗ -
May 22, 2024 May 24, 2024 Malady Kyle Director Neutral 90.0 +2,613 16.83% ✗ -
May 22, 2024 May 24, 2024 Heller Bridgette P Director Neutral 90.0 +2,618 11.03% ✗ -
May 22, 2024 May 24, 2024 FOLETTA MARK G Director Neutral 82.5 +2,973 4.76% ✗ -
May 22, 2024 May 24, 2024 Driscoll Rimma Director Neutral 90.0 +2,632 65.67% ✗ -
May 22, 2024 May 24, 2024 Dahut Karen M Director Neutral 90.0 +2,613 17.23% ✗ -
May 22, 2024 May 24, 2024 Collins Richard Alexander Director Neutral 85.0 +2,632 6.70% ✗ -
May 22, 2024 May 24, 2024 AUGUSTINOS NICHOLAS Director Neutral 85.0 +2,618 7.06% ✗ -
May 22, 2024 May 24, 2024 ALTMAN STEVEN R Director Neutral 82.5 +2,613 4.66% ✗ -
May 18, 2024 May 21, 2024 TOPOL ERIC Director Neutral 52.5 - 0.00% ✗ -
May 18, 2024 May 21, 2024 KAHN BARBARA Director Neutral 52.5 - 0.00% ✗ -
May 18, 2024 May 21, 2024 FOLETTA MARK G Director Neutral 52.5 - 0.00% ✗ -
May 18, 2024 May 21, 2024 Dahut Karen M Director Neutral 52.5 - 0.00% ✗ -
May 18, 2024 May 21, 2024 Collins Richard Alexander Director Neutral 52.5 - 0.00% ✗ -
May 18, 2024 May 21, 2024 AUGUSTINOS NICHOLAS Director Neutral 52.5 - 0.00% ✗ -
May 18, 2024 May 21, 2024 ALTMAN STEVEN R Director Neutral 52.5 - 0.00% ✗ -
May 15, 2024 May 16, 2024 Dolan Matthew Vincent EVP Strategy and Corporate Dev Sell 30.0 -2,423 -5.70% ✓ $306.7K
Apr 30, 2024 May 2, 2024 Brown Michael Jon EVP Chief Legal Officer Sell 47.5 -629 -0.91% ✓ $79.4K
Apr 15, 2024 Apr 16, 2024 Dolan Matthew Vincent EVP Strategy and Corporate Dev Sell 35.0 -1,990 -4.49% ✓ $274.2K
Apr 8, 2024 Apr 10, 2024 SAYER KEVIN R CEO Sell 18.8 -49,633 -14.88% ✓ $6.9M
Mar 28, 2024 Mar 29, 2024 Brown Michael Jon EVP Chief Legal Officer Sell 35.0 -2,624 -3.68% ✓ $367.5K
Mar 25, 2024 Mar 26, 2024 Stern Sadie EVP Chief Human Resources Sell 30.0 -4,137 -5.14% ✓ $579.2K