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 JS
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Detailed Insider History for:
DEXCOM INC: DXCM
Price: 2/6/26 52-Wk
High		 52-Wk
Low		 Mkt Cap (mm) Shrs Out (mm) 3-Mth Ave
Vol (m)		 Ind. Yield Short Int
% Float		 Inst. Owned Insider Owned
$69.97 $93.25 $54.11 $27,439 390 5,460 0.0% 5.1% 96.99% 0.43%
Exch Sector Industry Sub-Industry
NasdaqGS Manufacturing Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks Surgical & Medical Instruments & Apparatus
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Insider Statistics
T N H M S
Filer Name
Insider Title
Trans Type
Dollar Value
Shares Traded
Trans Date From
Trans Date To
Trans Price From
Trans Price To
Total Holdings
Delta % Owned
Owned
Other Info
Input Date
1
    
 
LEACH JACOB STEVEN
PR,CEO,DIR
JS
$224,335
3,058
---
1/29/26
---
$73.36
337,051
-0.9
D
R
2/2/26 - 4:46:44 pm
2
    
 
LEACH JACOB STEVEN
PR,CEO,DIR
JB
---
8,310
---
1/29/26
---
---
340,109
2.5
D
R
2/2/26 - 4:46:44 pm
3
    
 
STERN SADIE
VP,HR
JS
$194,844
2,656
---
1/29/26
---
$73.36
109,690
-2.4
D
R
2/2/26 - 4:46:39 pm
4
    
 
STERN SADIE
VP,HR
JB
---
7,123
---
1/29/26
---
---
112,346
6.8
D
R
2/2/26 - 4:46:39 pm
5
    
 
SYLVAIN JEREME M
VP,CFO
JS
$194,551
2,652
---
1/29/26
---
$73.36
123,207
-2.1
D
R
2/2/26 - 4:46:33 pm
6
    
 
SYLVAIN JEREME M
VP,CFO
JB
---
7,123
---
1/29/26
---
---
125,859
6.0
D
R
2/2/26 - 4:46:33 pm
7
    
 
BROWN MICHAEL JON
VP,LO
JS
$194,624
2,653
---
1/29/26
---
$73.36
98,655
-2.6
D
R
2/2/26 - 4:46:27 pm
8
    
 
BROWN MICHAEL JON
VP,LO
JB
---
7,123
---
1/29/26
---
---
101,308
7.6
D
R
2/2/26 - 4:46:27 pm
9
    
 
SAYER KEVIN R
CB,DIR
JS
$2,513,094
34,257
---
1/29/26
---
$73.36
408,990
-7.7
D
R
2/2/26 - 4:46:22 pm
10
    
 
SAYER KEVIN R
CB,DIR
JB
---
71,218
---
1/29/26
---
---
443,247
19.1
D
R
2/2/26 - 4:46:22 pm
11
1y
2
50%
-21%
1
COLLINS RICHARD ALEXANDER
DIR
AS
$171,599
2,906
---
11/14/25
---
$59.05
35,088
-7.6
I
R,10b
11/17/25 - 5:52:36 pm
12
1y
5
60%
-3%
2
HELLER BRIDGETTE P
DIR
AS
$58,767
1,012
---
11/12/25
---
$58.07
27,031
-3.6
D
R,10b
11/12/25 - 5:14:37 pm
13
1y
2
100%
113%
2
LEACH JACOB STEVEN
PR,COO
B
$1,001,702
18,200
---
11/10/25
$54.98
$55.43
331,697
5.8
D
R
11/10/25 - 7:13:08 pm
14
1y
2
50%
-21%
1
COLLINS RICHARD ALEXANDER
DIR
AS
$217,811
3,948
---
11/10/25
---
$55.17
37,994
-9.4
I
R,10b
11/10/25 - 7:12:40 pm
15
    
 
ASHLEY EUAN A
DIR
JB
---
7,166
---
10/24/25
---
---
7,166
New
D
R
10/28/25 - 4:49:22 pm
16
    
 
ASHLEY EUAN A
DIR
3
---
---
---
10/24/25
---
---
---
---
---
---
10/28/25 - 4:47:43 pm
17
    
 
MALADY KYLE
DIR
AS
$53,934
667
---
9/5/25
---
$80.86
22,667
-2.9
D
R,10b
9/9/25 - 4:18:20 pm
18
    
 
STERN SADIE
VP,HR
AS
$117,280
1,466
---
9/4/25
---
$80.00
105,223
-1.4
D
R,10b
9/8/25 - 4:06:55 pm
19
1y
25
60%
-11%
1
SYLVAIN JEREME M
VP,CFO
AS
$357,796
4,824
---
9/2/25
---
$74.17
118,657
-3.9
D
R,10b
9/4/25 - 4:13:37 pm
20
    
 
BROWN MICHAEL JON
VP,LO
AS
$40,145
500
---
8/15/25
---
$80.29
94,102
-0.5
D
R,10b
8/18/25 - 5:56:28 pm
21
1y
18
28%
46%
5
FOLETTA MARK G
DIR
AS
$222,903
2,750
---
8/15/25
$81.02
$81.54
51,121
-5.1
I
R,10b
8/18/25 - 5:53:11 pm
22
    
 
STERN SADIE
VP,HR
AS
$130,459
1,466
---
7/28/25
---
$88.99
106,689
-1.4
D
R,10b
7/29/25 - 4:18:05 pm
23
1y
18
28%
46%
5
FOLETTA MARK G
DIR
AS
$234,217
2,750
---
7/15/25
$85.17
$86.03
53,871
-4.9
I
R,10b
7/17/25 - 4:08:36 pm
24
    
 
BROWN MICHAEL JON
VP,LO
AS
$43,015
500
---
7/15/25
---
$86.03
94,602
-0.5
D
R,10b
7/17/25 - 4:03:07 pm
25
    
 
STERN SADIE
VP,HR
AS
$124,698
1,466
---
6/26/25
---
$85.06
108,155
-1.3
D
R,10b
6/30/25 - 6:47:39 pm
26
1y
18
28%
46%
5
FOLETTA MARK G
DIR
AS
$228,605
2,750
---
6/16/25
---
$83.13
56,621
-4.6
I
R,10b
6/18/25 - 4:31:58 pm
27
    
 
BROWN MICHAEL JON
VP,LO
AS
$41,400
500
---
6/16/25
---
$82.80
95,102
-0.5
D
R,10b
6/18/25 - 4:31:27 pm
28
1y
17
24%
38%
1
AUGUSTINOS NICHOLAS
DIR
AS
$517,906
6,290
6/13/25
6/16/25
$81.69
$82.80
33,411
-15.8
I
R,10b
6/17/25 - 5:33:16 pm
29
    
 
STERN SADIE
VP,HR
AS
$526,318
6,184
---
5/27/25
---
$85.11
109,621
-5.3
D
R,10b
5/28/25 - 4:51:15 pm
30
    
 
BROWN MICHAEL JON
VP,LO
AS
$842,849
10,000
---
5/23/25
---
$84.28
95,602
-9.5
D
R,10b
5/28/25 - 4:50:01 pm
31
    
 
COLEMAN JON
VP
JB
---
68,738
---
5/22/25
---
---
68,738
New
D
R
5/27/25 - 4:12:24 pm
32
    
 
GALA RENEE D
DIR
JB
---
1,161
---
5/8/25
---
---
6,881
20.3
D
A,R
7/7/25 - 4:15:09 pm
33
    
 
DRISCOLL RIMMA
DIR
JB
---
5,074
---
5/8/25
---
---
11,714
76.4
D
R
5/12/25 - 4:15:40 pm
34
    
 
GALA RENEE D
DIR
JB
---
5,074
---
5/8/25
---
---
10,794
88.7
D
R
5/12/25 - 4:09:05 pm
35
    
 
MALADY KYLE
DIR
JB
---
5,192
---
5/8/25
---
---
23,334
28.6
D
R
5/12/25 - 4:08:54 pm
36
    
 
DAHUT KAREN M
DIR
JS
---
2,613
---
5/8/25
---
---
---
All
D
R
5/12/25 - 4:08:38 pm
37
    
 
DAHUT KAREN M
DIR
JB
---
2,613
---
5/8/25
---
---
17,779
17.2
I
R
5/12/25 - 4:08:38 pm
38
    
 
HELLER BRIDGETTE P
DIR
JB
---
5,046
---
5/8/25
---
---
28,043
21.9
D
R
5/12/25 - 4:08:26 pm
39
    
 
AUGUSTINOS NICHOLAS
DIR
JS
---
2,618
---
5/8/25
---
---
---
All
D
R
5/12/25 - 4:08:15 pm
40
    
 
AUGUSTINOS NICHOLAS
DIR
JB
---
2,618
---
5/8/25
---
---
39,701
7.1
I
R
5/12/25 - 4:08:15 pm
41
    
 
AUGUSTINOS NICHOLAS
DIR
JB
---
5,046
---
5/8/25
---
---
5,046
New
D
R
5/12/25 - 4:08:15 pm
42
    
 
FOLETTA MARK G
DIR
JS
---
2,973
---
5/8/25
---
---
---
All
D
R
5/12/25 - 4:08:00 pm
43
    
 
FOLETTA MARK G
DIR
JB
---
5,731
---
5/8/25
---
---
5,731
New
D
R
5/12/25 - 4:08:00 pm
44
    
 
FOLETTA MARK G
DIR
JB
---
2,973
---
5/8/25
---
---
59,371
5.3
I
R
5/12/25 - 4:08:00 pm
45
    
 
COLLINS RICHARD ALEXANDER
DIR
JS
---
2,632
---
5/8/25
---
---
---
All
D
R
5/12/25 - 4:07:46 pm
46
    
 
COLLINS RICHARD ALEXANDER
DIR
JB
---
2,632
---
5/8/25
---
---
41,942
6.7
I
R
5/12/25 - 4:07:46 pm
47
    
 
COLLINS RICHARD ALEXANDER
DIR
JB
---
5,074
---
5/8/25
---
---
5,074
New
D
R
5/12/25 - 4:07:46 pm
48
    
 
ALTMAN STEVEN R
DIR
JS
---
2,613
---
5/8/25
---
---
---
All
D
R
5/12/25 - 4:07:35 pm
49
    
 
ALTMAN STEVEN R
DIR
JB
---
2,613
---
5/8/25
---
---
58,630
4.7
I
R
5/12/25 - 4:07:35 pm
50
    
 
ALTMAN STEVEN R
DIR
JB
---
5,037
---
5/8/25
---
---
5,037
New
D
R
5/12/25 - 4:07:35 pm
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