United States Healthcare Equipment & Supplies

DexCom Inc (DXCM)

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Over the past 90 days, DexCom insiders have executed 23 transactions, all of which were sales totaling approximately $15.28 million. Key executives, including Executive Chair Kevin R. Sayer, have consistently offloaded shares through planned and proposed sales. These activities follow a positive earnings report in April, with the stock price rising 19.4% over the period.
Ticker: DXCM Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Trades
Planned sale 20 Jul 2026
Value US$4,310,374.47 | Price 144.11 | Shares 86,782 (+27.5%)
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 Details
2026-07-21 2026-07-20 PlS Planned sale
2.9
SAYER KEVIN R

Executive Chair

Executive Director
86,782 +27.5%
144.11
US$4,310,374 		86,782 +27.5% 144.11 US$4,310,374
2026-07-20 2026-07-20 PrS Proposed sale
2.9
KEVIN R SAYER

Officer; Director

Executive Director
79,599
354.61
US$2,111,297 		79,599 354.61 US$2,111,297
2026-07-16 2026-07-15 PlS Planned sale
2.4
Brown Michael Jon

EVP Chief Legal Compliance Off

Officer
94,701 +7.8%
469.25
US$424,492 		94,701 +7.8% 469.25 US$424,492
2026-07-15 2026-07-15 PrS Proposed sale
2.4
MICHAEL BROWN

Officer

Officer
1,000
74.42
US$100,000 		1,000 74.42 US$100,000
2026-07-07 2026-07-06 PlS Planned sale
2.9
SAYER KEVIN R

Executive Chair

Executive Director
26,756 -7.0%
72.00
US$1,926,432 		26,756 -7.0% 72.00 US$1,926,432
2026-07-06 2026-07-06 PrS Proposed sale
2.9
KEVIN R SAYER

Officer; Director

Executive Director
26,756
72.00
US$1,926,432 		26,756 72.00 US$1,926,432
2026-06-17 2026-06-15 PlS Planned sale
2.4
Brown Michael Jon

EVP Chief Legal Compliance Off

Officer
1,700 -1.6%
75.55
US$128,435 		1,700 -1.6% 75.55 US$128,435
2026-06-17 2026-06-15 PlS Planned sale
3.7
FOLETTA MARK G
Non-Executive Director
199 -0.4%
74.82
US$14,889 		199 -0.4% 74.82 US$14,889
2026-06-17 2026-06-15 PlS Planned sale
3.7
FOLETTA MARK G
Non-Executive Director
3,801 -6.7%
74.10
US$281,651 		3,801 -6.7% 74.10 US$281,651
2026-06-15 2026-06-15 PrS Proposed sale
3.7
FOLETTA MARK G

Director

Non-Executive Director
4,000
75.70
US$302,800 		4,000 75.70 US$302,800
2026-06-15 2026-06-15 PrS Proposed sale
2.4
MICHAEL BROWN

Officer

Officer
1,700
75.55
US$128,435 		1,700 75.55 US$128,435
2026-06-05 2026-06-04 PlS Planned sale
Coleman Jon

EVP, Chief Commercial Officer

Officer
4,911 -4.9%
74.13
US$364,052 		4,911 -4.9% 74.13 US$364,052
2026-06-05 2026-06-04 PlS Planned sale
Coleman Jon

EVP, Chief Commercial Officer

Officer
4,911 -4.9%
74.13
US$364,052 		4,911 -4.9% 74.13 US$364,052
2026-06-04 2026-06-04 PrS Proposed sale
JON C COLEMAN

Officer

Officer
4,911
74.13
US$364,052 		4,911 74.13 US$364,052
2026-06-05 2026-06-03 PlS Planned sale
Coleman Jon

EVP, Chief Commercial Officer

Officer
4,912 -4.7%
73.00
US$358,576 		4,912 -4.7% 73.00 US$358,576
2026-06-05 2026-06-03 PlS Planned sale
Coleman Jon

EVP, Chief Commercial Officer

Officer
4,912 -4.7%
73.00
US$358,576 		4,912 -4.7% 73.00 US$358,576
2026-06-03 2026-06-03 PrS Proposed sale
JON C COLEMAN

Officer

Officer
4,912
73.00
US$358,576 		4,912 73.00 US$358,576
2026-05-26 2026-05-21 PlS Planned sale
2.9
SAYER KEVIN R

Executive Chair

Executive Director
26,759 -6.5%
72.00
US$1,926,648 		26,759 -6.5% 72.00 US$1,926,648
2026-05-21 2026-05-21 PrS Proposed sale
2.9
KEVIN R SAYER

Officer; Director

Executive Director
26,759
72.00
US$1,926,648 		26,759 72.00 US$1,926,648
2026-05-21 2026-05-21 PrS Proposed sale
2.9
KEVIN R SAYER

Officer; Director

Executive Director
26,759
72.00
US$1,926,648 		26,759 72.00 US$1,926,648
2026-05-19 2026-05-15 PlS Planned sale
2.4
Brown Michael Jon

EVP, Chief Legal Officer

Officer
1,700 -1.5%
59.91
US$101,847 		1,700 -1.5% 59.91 US$101,847
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
2025-11-14 2025-11-14 PrS Proposed sale
3.3
Collins Richard Alexander

Director

Non-Executive Director
2,906
59.05
US$171,599 		2,906 59.05 US$171,599
2025-11-12 2025-11-12 PrS Proposed sale
Heller Bridgette P

Director

Non-Executive Director
1,012
58.07
US$58,767 		1,012 58.07 US$58,767
2025-11-12 2025-11-12 PlS Planned sale
Heller Bridgette P
Non-Executive Director
1,012 -3.6%
58.07
US$58,767 		1,012 -3.6% 58.07 US$58,767
2025-11-10 2025-11-10 PrS Proposed sale
3.3
Collins Richard Alexander

Director

Non-Executive Director
3,948
55.17
US$217,811 		3,948 55.17 US$217,811
2025-11-10 2025-11-10 B Purchase
2.9
Leach Jacob Steven

President & COO

Officer
2,500 +0.8%
55.43
US$138,563 		2,500 +0.8% 55.43 US$138,563
2025-11-10 2025-11-10 B Purchase
2.9
Leach Jacob Steven

President & COO

Officer
15,700 +5.0%
54.98
US$863,139 		15,700 +5.0% 54.98 US$863,139
2025-11-10 2025-11-10 PlS Planned sale
3.3
Collins Richard Alexander
Non-Executive Director
3,948 -9.4%
55.17
US$217,811 		3,948 -9.4% 55.17 US$217,811
2025-09-09 2025-09-05 PlS Planned sale
2.3
Malady Kyle
Non-Executive Director
667 -2.9%
80.86
US$53,934 		667 -2.9% 80.86 US$53,934
2025-09-05 2025-09-05 PrS Proposed sale
2.3
Malady Kyle

Director

Non-Executive Director
667
80.86
US$53,934 		667 80.86 US$53,934
2025-09-08 2025-09-04 PlS Planned sale
3.4
Stern Sadie

EVP, Chief HR Officer

Officer
1,466 -1.4%
80.00
US$117,280 		1,466 -1.4% 80.00 US$117,280
2025-09-04 2025-09-04 PrS Proposed sale
3.4
SADIE STERN

Officer

Officer
1,466
80.00
US$117,280 		1,466 80.00 US$117,280
2025-09-04 2025-09-02 PlS Planned sale
3.0
Sylvain Jereme M

EVP, Chief Financal Officer

Officer
4,824 -3.9%
74.17
US$357,796 		4,824 -3.9% 74.17 US$357,796
2025-09-02 2025-09-02 PrS Proposed sale
3.0
JEREME SYLVAIN

Officer

Officer
4,824
74.17
US$357,796 		4,824 74.17 US$357,796
2025-08-18 2025-08-15 S Sale
3.7
FOLETTA MARK G
Non-Executive Director
195 -0.4%
81.54
US$15,900 		195 -0.4% 81.54 US$15,900
2025-08-18 2025-08-15 PlS Planned sale
3.7
FOLETTA MARK G
Non-Executive Director
2,555 -4.7%
81.02
US$207,003 		2,555 -4.7% 81.02 US$207,003
2025-08-18 2025-08-15 PlS Planned sale
2.4
Brown Michael Jon

EVP, Chief Legal Officer

Officer
500 -0.5%
80.29
US$40,145 		500 -0.5% 80.29 US$40,145
2025-08-15 2025-08-15 PrS Proposed sale
3.7
FOLETTA MARK G

Director

Non-Executive Director
2,750
80.29
US$220,798 		2,750 80.29 US$220,798
2025-08-15 2025-08-15 PrS Proposed sale
2.4
MICHAEL BROWN

Officer

Officer
500
80.29
US$40,145 		500 80.29 US$40,145
2025-07-29 2025-07-28 PlS Planned sale
3.4
Stern Sadie

EVP, Chief HR Officer

Officer
1,466 -1.4%
88.99
US$130,459 		1,466 -1.4% 88.99 US$130,459
2025-07-28 2025-07-28 PrS Proposed sale
3.4
SADIE STERN

Officer

Officer
1,466
88.99
US$130,459 		1,466 88.99 US$130,459
2025-07-17 2025-07-15 S Sale
3.7
FOLETTA MARK G
Non-Executive Director
8 -0.0%
86.03
US$688 		8 -0.0% 86.03 US$688
2025-07-17 2025-07-15 PlS Planned sale
3.7
FOLETTA MARK G
Non-Executive Director
2,742 -4.8%
85.17
US$233,528 		2,742 -4.8% 85.17 US$233,528
2025-07-17 2025-07-15 PlS Planned sale
2.4
Brown Michael Jon

EVP, Chief Legal Officer

Officer
500 -0.5%
86.03
US$43,015 		500 -0.5% 86.03 US$43,015
2025-07-15 2025-07-15 PrS Proposed sale
3.7
FOLETTA MARK G

Director

Non-Executive Director
2,750
86.03
US$236,582 		2,750 86.03 US$236,582
2025-07-15 2025-07-15 PrS Proposed sale
2.4
MICHAEL BROWN

Officer

Officer
500
86.03
US$43,015 		500 86.03 US$43,015
2025-06-30 2025-06-26 PlS Planned sale
3.4
Stern Sadie

EVP, Chief HR Officer

Officer
1,466 -1.3%
85.06
US$124,698 		1,466 -1.3% 85.06 US$124,698
2025-06-26 2025-06-26 PrS Proposed sale
3.4
SADIE STERN

Officer

Officer
1,466
85.06
US$124,698 		1,466 85.06 US$124,698
2025-06-18 2025-06-16 PlS Planned sale
3.7
FOLETTA MARK G
Non-Executive Director
2,750 -4.6%
83.13
US$228,605 		2,750 -4.6% 83.13 US$228,605
2025-06-18 2025-06-16 PlS Planned sale
2.4
Brown Michael Jon

EVP, Chief Legal Officer

Officer
500 -0.5%
82.80
US$41,400 		500 -0.5% 82.80 US$41,400
2025-06-17 2025-06-16 PlS Planned sale
AUGUSTINOS NICHOLAS
Non-Executive Director
3,672 -9.9%
82.80
US$304,042 		3,672 -9.9% 82.80 US$304,042
2025-06-16 2025-06-16 PrS Proposed sale
3.7
FOLETTA MARK G

Director

Non-Executive Director
2,750
82.80
US$227,700 		2,750 82.80 US$227,700
2025-06-16 2025-06-16 PrS Proposed sale
2.4
MICHAEL BROWN

Officer

Officer
500
82.80
US$41,400 		500 82.80 US$41,400
2025-06-17 2025-06-13 PlS Planned sale
AUGUSTINOS NICHOLAS
Non-Executive Director
2,618 -6.6%
81.69
US$213,864 		2,618 -6.6% 81.69 US$213,864
2025-06-09 2025-06-09 PrS Proposed sale
AUGUSTINOS NICHOLAS

Director

Non-Executive Director
6,290
86.91
US$546,664 		6,290 86.91 US$546,664
2025-05-28 2025-05-27 PlS Planned sale
3.4
Stern Sadie

EVP, Chief HR Officer

Officer
6,184 -5.3%
85.11
US$526,318 		6,184 -5.3% 85.11 US$526,318
2025-05-27 2025-05-27 PrS Proposed sale
3.4
SADIE STERN

Officer

Officer
6,184
85.11
US$526,318 		6,184 85.11 US$526,318
2025-05-28 2025-05-23 PlS Planned sale
2.4
Brown Michael Jon

EVP, Chief Legal Officer

Officer
10,000 -9.5%
84.28
US$842,849 		10,000 -9.5% 84.28 US$842,849
2025-05-23 2025-05-23 PrS Proposed sale
2.4
MICHAEL BROWN

Officer

Officer
10,000
84.28
US$842,849 		10,000 84.28 US$842,849
2025-03-19 2025-03-17 PlS Planned sale
Heller Bridgette P
Non-Executive Director
352 -1.5%
70.33
US$24,756 		352 -1.5% 70.33 US$24,756
2025-03-17 2025-03-17 PrS Proposed sale
Heller Bridgette P

Director

Non-Executive Director
352
70.33
US$24,756 		352 70.33 US$24,756
2025-03-14 2025-03-12 S Sale
3.0
Sylvain Jereme M

EVP, Chief Financal Officer

Officer
12,001 -8.9%
70.38
US$844,632 		12,001 -8.9% 70.38 US$844,632
2025-03-14 2025-03-12 S Sale
3.4
Stern Sadie

EVP, Chief HR Officer

Officer
11,176 -8.8%
70.38
US$786,568 		11,176 -8.8% 70.38 US$786,568
2025-03-14 2025-03-12 S Sale
2.4
Brown Michael Jon

EVP, Chief Legal Officer

Officer
13,000 -11.0%
70.38
US$914,941 		13,000 -11.0% 70.38 US$914,941
2025-03-14 2025-03-12 S Sale
2.9
Leach Jacob Steven

EVP, Chief Operating Officer

Officer
14,076 -4.3%
70.38
US$990,670 		14,076 -4.3% 70.38 US$990,670
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