Dudediligence.

DexCom, Inc

DXCMNASDAQ · Surgical & Medical Instruments & Apparatus
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Last 12 months

Sales planned on beside the trades reported on , and whether each names a .

Planned ·

$12.6M

27 notices · 164,509 sh

Oct 2025 to Oct 2026

Reported ·

$3,971,248

14 sales · 2 buys · $1,001,761 bought

Oct 2025 to Jun 2026

The two figures cover different periods.

All 14 reported sales carry the 10b5-1 box. Together they are 0.02% of the shares on issue.

PLANNED · FORM 144Oct 2025 to Oct 2026REPORTED · FORM 4Oct 2025 to Jun 2026N2025DJ2026FMAMJJASO2026-09-28: SADIE STERN, Form 1442026-09-15: AUGUSTINOS NICHOLAS, Form 1442026-09-15: MICHAEL BROWN, Form 1442026-09-14: AUGUSTINOS NICHOLAS, Form 1442026-09-10: JEREME SYLVAIN, Form 1442026-08-27: SADIE STERN, Form 1442026-08-20: KEVIN R SAYER, Form 1442026-08-14: MICHAEL BROWN, Form 1442026-08-12: Heller Bridgette P, Form 1442026-08-03: FOLETTA MARK G, Form 1442026-07-31: FOLETTA MARK G, Form 1442026-07-20: KEVIN R SAYER, Form 1442026-07-15: MICHAEL BROWN, Form 1442026-07-06: KEVIN R SAYER, Form 1442026-06-15: FOLETTA MARK G, Form 1442026-06-15: MICHAEL BROWN, Form 1442026-06-04: JON C COLEMAN, Form 1442026-06-03: JON C COLEMAN, Form 1442026-05-21: KEVIN R SAYER, Form 1442026-05-15: MICHAEL BROWN, Form 1442026-05-12: Heller Bridgette P, Form 1442026-04-15: MICHAEL BROWN, Form 1442026-03-16: MICHAEL BROWN, Form 1442026-02-12: Heller Bridgette P, Form 1442025-11-14: Collins Richard Alexander, Form 1442025-11-12: Heller Bridgette P, Form 1442025-11-10: Collins Richard Alexander, Form 1442025-11-10: Collins Richard Alexander, sold2025-11-10: Leach Jacob Steven, bought2025-11-12: Heller Bridgette P, sold2025-11-14: Collins Richard Alexander, sold2026-02-12: Heller Bridgette P, sold2026-03-16: Brown Michael Jon, sold2026-04-15: Brown Michael Jon, sold2026-05-12: Heller Bridgette P, sold2026-05-15: Brown Michael Jon, sold2026-05-21: SAYER KEVIN R, sold2026-06-03: Coleman Jon, sold2026-06-15: FOLETTA MARK G, sold2026-06-15: Brown Michael Jon, sold
under a no plan named▼ sale▲ buysize is dollars

Form 144 notices, newest first

2026-09-28SADIE STERN, EVP Chief People & Culture Off$220,975
2,565 shplan 2026-05-28Form 4s on file end Jun 23144 ↗
2026-09-15AUGUSTINOS NICHOLAS, Director$549,538
6,539 shplan 2026-06-10Form 4s on file end Jun 23144 ↗
2026-09-15MICHAEL BROWN, EVP Chief Legal Compliance Off$142,868
1,700 shplan 2025-11-26Form 4s on file end Jun 23144 ↗
2026-09-14AUGUSTINOS NICHOLAS, Director$130,231
1,550 shplan 2026-06-10Form 4s on file end Jun 23144 ↗
2026-09-10JEREME SYLVAIN, EVP, Chief Financal Officer$302,936
3,638 shplan 2026-06-10Form 4s on file end Jun 23144 ↗
2026-08-27SADIE STERN, EVP Chief People & Culture Off$226,669
2,565 shplan 2026-05-28Form 4s on file end Jun 23144 ↗
2026-08-20KEVIN R SAYER, Executive Chair$2,408,241
26,756 shplan 2026-02-18Form 4s on file end Jun 23144 ↗
2026-08-14MICHAEL BROWN, EVP Chief Legal Compliance Off$156,281
1,700 shplan 2025-11-26Form 4s on file end Jun 23144 ↗
2026-08-12Heller Bridgette P, Director$89,349
1,012 shplan 2025-08-14Form 4s on file end Jun 23144 ↗
2026-08-03FOLETTA MARK G, Director$170,640
2,000 shplan 2026-03-13Form 4s on file end Jun 23144 ↗
2026-07-31FOLETTA MARK G, Director$160,000
2,000 shplan 2026-03-13Form 4s on file end Jun 23144 ↗
2026-07-20KEVIN R SAYER, Executive Chair$2,041,999
26,756 shplan 2026-02-18Form 4s on file end Jun 23144 ↗
2026-07-15MICHAEL BROWN, EVP Chief Legal Compliance Off$126,514
1,700 shplan 2025-11-26Form 4s on file end Jun 23144 ↗
2026-07-06KEVIN R SAYER, Executive Chair$1,926,432
26,756 shplan 2026-02-18Form 4s on file end Jun 23144 ↗
2026-06-15FOLETTA MARK G, Director$302,800
4,000 shplan 2026-03-13144 ↗
Form 4, 2026-06-17: sold 4,000 at $74.14 Form 4 ↗
2026-06-15MICHAEL BROWN, EVP Chief Legal Compliance Off$128,435
1,700 shplan 2025-11-26144 ↗
Form 4, 2026-06-17: sold 1,700 at $75.55 Form 4 ↗
2026-06-04JON C COLEMAN, EVP, Chief Commercial Officer$364,052
4,911 shplan 2026-03-04Form 4s on file end Jun 23144 ↗
2026-06-03JON C COLEMAN, EVP, Chief Commercial Officer$358,576
4,912 shplan 2026-03-04144 ↗
Form 4, 2026-06-05: sold 9,823 at $73.56 Form 4 ↗
2026-05-21KEVIN R SAYER, Executive Chair$1,926,648
26,759 shplan 2026-02-18144 ↗
Form 4, 2026-05-26: sold 26,759 at $72.00 Form 4 ↗
2026-05-15MICHAEL BROWN, EVP Chief Legal Compliance Off$101,847
1,700 shplan 2025-11-26144 ↗
Form 4, 2026-05-19: sold 1,700 at $59.91 Form 4 ↗
2026-05-12Heller Bridgette P, Director$60,730
1,012 shplan 2025-08-14144 ↗
Form 4, 2026-05-14: sold 1,012 at $60.01 Form 4 ↗
2026-04-15MICHAEL BROWN, EVP Chief Legal Compliance Off$107,168
1,700 shplan 2025-11-26144 ↗
Form 4, 2026-04-16: sold 1,700 at $63.04 Form 4 ↗
2026-03-16MICHAEL BROWN, EVP Chief Legal Compliance Off$110,245
1,700 shplan 2025-11-26144 ↗
Form 4, 2026-03-18: sold 1,700 at $64.85 Form 4 ↗
2026-02-12Heller Bridgette P, Director$68,826
1,012 shplan 2025-08-14144 ↗
Form 4, 2026-02-17: sold 1,012 at $68.01 Form 4 ↗
2025-11-14Collins Richard Alexander, Director$171,599
2,906 shplan 2025-08-07144 ↗
Form 4, 2025-11-17: sold 2,906 at $59.05 Form 4 ↗
2025-11-12Heller Bridgette P, Director$58,767
1,012 shplan 2025-08-14144 ↗
Form 4, 2025-11-12: sold 1,012 at $58.07 Form 4 ↗
2025-11-10Collins Richard Alexander, Director$217,811
3,948 shplan 2025-08-07144 ↗
Form 4, 2025-11-10: sold 3,948 at $55.17 Form 4 ↗