United States Healthcare Equipment & Supplies

DexCom Inc (DXCM)

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Over the last 90 days, DexCom Inc. has seen 12 insider transactions, all of which were sales totaling $6.9 million. Notably, officers and directors like Kevin R. Sayer and Michael Brown have engaged in proposed and planned sales. The stock price has seen a modest 6.9% increase over the same period.

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Ticker: DXCM Exchange: NSM

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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings

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Company data & Insiders

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Trades

Coleman Jon

EVP, Chief Commercial Officer

2 sales — total 200,000 USD

Planned sale 4 Jun 2026

Value US$2,966,373.27 | Price 499.62 | Shares 19,271

Planned sale 4 Jun 2026

Value US$589,088.51 | Price 156.78 | Shares 8,405

JON C COLEMAN

Officer

1 sale — total 100,000 USD

Proposed sale 4 Jun 2026

Value US$4,370,867.77 | Price 79.23 | Shares 39,081

Coleman Jon

EVP, Chief Commercial Officer

2 sales — total 200,000 USD

Planned sale 3 Jun 2026

Value US$100,000.00 | Price 73.00 | Shares 1,000

Planned sale 3 Jun 2026

Value US$100,000.00 | Price 73.00 | Shares 1,000

JON C COLEMAN

Officer

1 sale — total 100,000 USD

Proposed sale 3 Jun 2026

Value US$100,000.00 | Price 73.00 | Shares 1,000

SAYER KEVIN R

Executive Chair

1 sale — total 100,000 USD

Planned sale 21 May 2026

Value US$100,000.00 | Price 72.00 | Shares 1,000

KEVIN R SAYER

Officer; Director

2 sales — total 200,000 USD

Proposed sale 21 May 2026

Value US$100,000.00 | Price 72.00 | Shares 1,000

Proposed sale 21 May 2026

Value US$100,000.00 | Price 72.00 | Shares 1,000

Brown Michael Jon

EVP, Chief Legal Officer

1 sale — total 100,000 USD

Planned sale 15 May 2026

Value US$100,000.00 | Price 59.91 | Shares 1,000

MICHAEL BROWN

Officer

1 sale — total 101,847 USD

Proposed sale 15 May 2026

Value US$101,847.00 | Price 59.91 | Shares 1,700

Heller Bridgette P

2 sales — total 121,460 USD

Planned sale 12 May 2026

Value US$60,730.12 | Price 60.01 | Shares 1,012

Proposed sale 12 May 2026

Value US$60,730.12 | Price 60.01 | Shares 1,012

Brown Michael Jon

EVP, Chief Legal Officer

1 sale — total 107,168 USD

Planned sale 15 Apr 2026

Value US$107,168.00 | Price 63.04 | Shares 1,700

MICHAEL BROWN

Officer

1 sale — total 107,168 USD

Proposed sale 15 Apr 2026

Value US$107,168.00 | Price 63.04 | Shares 1,700

Brown Michael Jon

EVP, Chief Legal Officer

1 sale — total 110,245 USD

Planned sale 16 Mar 2026

Value US$110,245.00 | Price 64.85 | Shares 1,700

MICHAEL BROWN

Officer

1 sale — total 110,245 USD

Proposed sale 16 Mar 2026

Value US$110,245.00 | Price 64.85 | Shares 1,700

Heller Bridgette P

2 sales — total 137,652 USD

Planned sale 12 Feb 2026

Value US$68,826.12 | Price 68.01 | Shares 1,012

Proposed sale 12 Feb 2026

Value US$68,826.12 | Price 68.01 | Shares 1,012

Collins Richard Alexander

1 sale — total 171,599 USD

Planned sale 14 Nov 2025

Value US$171,599.30 | Price 59.05 | Shares 2,906

Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other

Notification date	Transaction date	B/S Transaction type	Insider and/or position	Nb. shares Price Value	Number of shares	Price	Value
2026-06-05	2026-06-04	PlS Planned sale	Coleman Jon EVP, Chief Commercial Officer Officer	19,271 +17.9% 499.62 US$2,966,373	19,271 +17.9%	499.62	US$2,966,373
2026-06-05	2026-06-04	PlS Planned sale	Coleman Jon EVP, Chief Commercial Officer Officer	8,405 -27.8% 156.78 US$589,089	8,405 -27.8%	156.78	US$589,089
2026-06-04	2026-06-04	PrS Proposed sale	JON C COLEMAN Officer Officer	39,081 79.23 US$4,370,868	39,081	79.23	US$4,370,868
2026-06-05	2026-06-03	PlS Planned sale	Coleman Jon EVP, Chief Commercial Officer Officer	1,000 -4.7% 73.00 US$100,000	1,000 -4.7%	73.00	US$100,000
2026-06-05	2026-06-03	PlS Planned sale	Coleman Jon EVP, Chief Commercial Officer Officer	1,000 -4.7% 73.00 US$100,000	1,000 -4.7%	73.00	US$100,000
2026-06-03	2026-06-03	PrS Proposed sale	JON C COLEMAN Officer Officer	1,000 73.00 US$100,000	1,000	73.00	US$100,000
2026-05-26	2026-05-21	PlS Planned sale	2.9 SAYER KEVIN R Executive Chair Executive Director	1,000 -6.5% 72.00 US$100,000	1,000 -6.5%	72.00	US$100,000
2026-05-21	2026-05-21	PrS Proposed sale	2.9 KEVIN R SAYER Officer; Director Executive Director	1,000 72.00 US$100,000	1,000	72.00	US$100,000
2026-05-21	2026-05-21	PrS Proposed sale	2.9 KEVIN R SAYER Officer; Director Executive Director	1,000 72.00 US$100,000	1,000	72.00	US$100,000
2026-05-19	2026-05-15	PlS Planned sale	2.4 Brown Michael Jon EVP, Chief Legal Officer Officer	1,000 -1.5% 59.91 US$100,000	1,000 -1.5%	59.91	US$100,000
2026-05-15	2026-05-15	PrS Proposed sale	2.4 MICHAEL BROWN Officer Officer	1,700 59.91 US$101,847	1,700	59.91	US$101,847
2026-05-14	2026-05-12	PlS Planned sale	Heller Bridgette P Non-Executive Director	1,012 -3.9% 60.01 US$60,730	1,012 -3.9%	60.01	US$60,730
2026-05-12	2026-05-12	PrS Proposed sale	Heller Bridgette P Director Non-Executive Director	1,012 60.01 US$60,730	1,012	60.01	US$60,730
2026-04-16	2026-04-15	PlS Planned sale	2.4 Brown Michael Jon EVP, Chief Legal Officer Officer	1,700 -1.5% 63.04 US$107,168	1,700 -1.5%	63.04	US$107,168
2026-04-15	2026-04-15	PrS Proposed sale	2.4 MICHAEL BROWN Officer Officer	1,700 63.04 US$107,168	1,700	63.04	US$107,168
2026-03-18	2026-03-16	PlS Planned sale	2.4 Brown Michael Jon EVP, Chief Legal Officer Officer	1,700 -1.5% 64.85 US$110,245	1,700 -1.5%	64.85	US$110,245
2026-03-16	2026-03-16	PrS Proposed sale	2.4 MICHAEL BROWN Officer Officer	1,700 64.85 US$110,245	1,700	64.85	US$110,245
2026-02-17	2026-02-12	PlS Planned sale	Heller Bridgette P Non-Executive Director	1,012 -3.7% 68.01 US$68,826	1,012 -3.7%	68.01	US$68,826
2026-02-12	2026-02-12	PrS Proposed sale	Heller Bridgette P Director Non-Executive Director	1,012 68.01 US$68,826	1,012	68.01	US$68,826
2025-11-17	2025-11-14	PlS Planned sale	3.3 Collins Richard Alexander Non-Executive Director	2,906 -7.6% 59.05 US$171,599	2,906 -7.6%	59.05	US$171,599