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 JS
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Detailed Insider History for:
DEXCOM INC: DXCM
Price: 10/24/25 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
$70.33 $93.25 $57.52 $27,580 392 4,965 0.0% 3.8% 97.38% 0.40%
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
    
 
ASHLEY EUAN A
DIR
JB
---
7,166
---
10/24/25
---
---
7,166
New
D
R
10/28/25 - 4:49:22 pm
2
    
 
ASHLEY EUAN A
DIR
3
---
---
---
10/24/25
---
---
---
---
---
---
10/28/25 - 4:47:43 pm
3
    
 
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
4
    
 
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
5
1y
22
55%
-10%
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
6
    
 
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
7
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
8
    
 
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
9
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
10
    
 
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
11
    
 
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
12
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
13
    
 
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
14
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
15
    
 
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
16
    
 
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
17
    
 
COLEMAN JON
VP
JB
---
68,738
---
5/22/25
---
---
68,738
New
D
R
5/27/25 - 4:12:24 pm
18
    
 
GALA RENEE D
DIR
JB
---
1,161
---
5/8/25
---
---
6,881
20.3
D
A,R
7/7/25 - 4:15:09 pm
19
    
 
DRISCOLL RIMMA
DIR
JB
---
5,074
---
5/8/25
---
---
11,714
76.4
D
R
5/12/25 - 4:15:40 pm
20
    
 
GALA RENEE D
DIR
JB
---
5,074
---
5/8/25
---
---
10,794
88.7
D
R
5/12/25 - 4:09:05 pm
21
    
 
MALADY KYLE
DIR
JB
---
5,192
---
5/8/25
---
---
23,334
28.6
D
R
5/12/25 - 4:08:54 pm
22
    
 
DAHUT KAREN M
DIR
JS
---
2,613
---
5/8/25
---
---
---
All
D
R
5/12/25 - 4:08:38 pm
23
    
 
DAHUT KAREN M
DIR
JB
---
2,613
---
5/8/25
---
---
17,779
17.2
I
R
5/12/25 - 4:08:38 pm
24
    
 
HELLER BRIDGETTE P
DIR
JB
---
5,046
---
5/8/25
---
---
28,043
21.9
D
R
5/12/25 - 4:08:26 pm
25
    
 
AUGUSTINOS NICHOLAS
DIR
JS
---
2,618
---
5/8/25
---
---
---
All
D
R
5/12/25 - 4:08:15 pm
26
    
 
AUGUSTINOS NICHOLAS
DIR
JB
---
5,046
---
5/8/25
---
---
5,046
New
D
R
5/12/25 - 4:08:15 pm
27
    
 
AUGUSTINOS NICHOLAS
DIR
JB
---
2,618
---
5/8/25
---
---
39,701
7.1
I
R
5/12/25 - 4:08:15 pm
28
    
 
FOLETTA MARK G
DIR
JS
---
2,973
---
5/8/25
---
---
---
All
D
R
5/12/25 - 4:08:00 pm
29
    
 
FOLETTA MARK G
DIR
JB
---
5,731
---
5/8/25
---
---
5,731
New
D
R
5/12/25 - 4:08:00 pm
30
    
 
FOLETTA MARK G
DIR
JB
---
2,973
---
5/8/25
---
---
59,371
5.3
I
R
5/12/25 - 4:08:00 pm
31
    
 
COLLINS RICHARD ALEXANDER
DIR
JS
---
2,632
---
5/8/25
---
---
---
All
D
R
5/12/25 - 4:07:46 pm
32
    
 
COLLINS RICHARD ALEXANDER
DIR
JB
---
2,632
---
5/8/25
---
---
41,942
6.7
I
R
5/12/25 - 4:07:46 pm
33
    
 
COLLINS RICHARD ALEXANDER
DIR
JB
---
5,074
---
5/8/25
---
---
5,074
New
D
R
5/12/25 - 4:07:46 pm
34
    
 
ALTMAN STEVEN R
DIR
JS
---
2,613
---
5/8/25
---
---
---
All
D
R
5/12/25 - 4:07:35 pm
35
    
 
ALTMAN STEVEN R
DIR
JB
---
5,037
---
5/8/25
---
---
5,037
New
D
R
5/12/25 - 4:07:35 pm
36
    
 
ALTMAN STEVEN R
DIR
JB
---
2,613
---
5/8/25
---
---
58,630
4.7
I
R
5/12/25 - 4:07:35 pm
37
    
 
TOPOL ERIC
DIR
JS
---
2,618
---
5/8/25
---
---
---
All
D
R
5/12/25 - 4:07:23 pm
38
    
 
TOPOL ERIC
DIR
JB
---
2,618
---
5/8/25
---
---
380,545
0.7
I
R
5/12/25 - 4:07:23 pm
39
    
 
COLEMAN JON
VP
3
---
---
---
3/31/25
---
---
---
---
---
---
3/31/25 - 6:57:22 pm
40
1y
4
50%
0%
2
HELLER BRIDGETTE P
DIR
AS
$24,756
352
---
3/17/25
---
$70.33
22,997
-1.5
D
R,10b
3/19/25 - 5:02:07 pm
41
1y
23
35%
13%
2
LEACH JACOB STEVEN
VP,COO
S
$990,670
14,076
---
3/12/25
---
$70.38
313,497
-4.3
D
R
3/14/25 - 5:25:36 pm
42
    
 
BROWN MICHAEL JON
VP,LO
S
$914,941
13,000
---
3/12/25
---
$70.38
105,602
-11.0
D
R
3/14/25 - 5:25:27 pm
43
1y
22
55%
-10%
1
SYLVAIN JEREME M
VP,CFO
S
$844,632
12,001
---
3/12/25
---
$70.38
123,481
-8.9
D
R
3/14/25 - 5:25:17 pm
44
    
 
STERN SADIE
VP,HR
S
$786,568
11,176
---
3/12/25
---
$70.38
115,805
-8.8
D
R
3/14/25 - 5:25:06 pm
45
1y
76
33%
31%
1
SAYER KEVIN R
CB,CEO,PR,DIR
S
$2,287,213
32,498
---
3/12/25
---
$70.38
372,029
-8.0
D
R
3/14/25 - 5:24:55 pm
46
1y
22
55%
-10%
1
SYLVAIN JEREME M
VP,CFO
S
$516,830
7,000
---
3/10/25
$73.22
$74.70
135,482
-4.9
D
R
3/11/25 - 7:17:00 pm
47
    
 
SAYER KEVIN R
CB,CEO,PR,DIR
JB
---
85,490
---
3/8/25
---
---
404,527
26.8
D
R
3/11/25 - 7:17:47 pm
48
    
 
LEACH JACOB STEVEN
VP,COO
JB
---
58,704
---
3/8/25
---
---
327,573
21.8
D
R
3/11/25 - 7:17:35 pm
49
    
 
STERN SADIE
VP,HR
JB
---
52,720
---
3/8/25
---
---
126,981
71.0
D
R
3/11/25 - 7:17:24 pm
50
    
 
BROWN MICHAEL JON
VP,LO
JB
---
52,720
---
3/8/25
---
---
118,602
80.0
D
R
3/11/25 - 7:17:12 pm
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