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Detailed Insider History for:
DEXCOM INC: DXCM
Price: 5/9/25 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
$84.67 $132.26 $57.52 $33,200 392 4,601 0.0% 3.5% 97.42% 0.41%
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
    
 
DRISCOLL RIMMA
DIR
JB
---
5,074
---
5/8/25
---
---
11,714
76.4
D
R
5/12/25 - 4:15:40 pm
2
    
 
GALA RENEE D
DIR
JB
---
5,074
---
5/8/25
---
---
10,794
88.7
D
R
5/12/25 - 4:09:05 pm
3
    
 
MALADY KYLE
DIR
JB
---
5,192
---
5/8/25
---
---
23,334
28.6
D
R
5/12/25 - 4:08:54 pm
4
    
 
DAHUT KAREN M
DIR
JS
---
2,613
---
5/8/25
---
---
---
All
D
R
5/12/25 - 4:08:38 pm
5
    
 
DAHUT KAREN M
DIR
JB
---
2,613
---
5/8/25
---
---
17,779
17.2
I
R
5/12/25 - 4:08:38 pm
6
    
 
HELLER BRIDGETTE P
DIR
JB
---
5,046
---
5/8/25
---
---
28,043
21.9
D
R
5/12/25 - 4:08:26 pm
7
    
 
AUGUSTINOS NICHOLAS
DIR
JS
---
2,618
---
5/8/25
---
---
---
All
D
R
5/12/25 - 4:08:15 pm
8
    
 
AUGUSTINOS NICHOLAS
DIR
JB
---
2,618
---
5/8/25
---
---
39,701
7.1
I
R
5/12/25 - 4:08:15 pm
9
    
 
AUGUSTINOS NICHOLAS
DIR
JB
---
5,046
---
5/8/25
---
---
5,046
New
D
R
5/12/25 - 4:08:15 pm
10
    
 
FOLETTA MARK G
DIR
JS
---
2,973
---
5/8/25
---
---
---
All
D
R
5/12/25 - 4:08:00 pm
11
    
 
FOLETTA MARK G
DIR
JB
---
5,731
---
5/8/25
---
---
5,731
New
D
R
5/12/25 - 4:08:00 pm
12
    
 
FOLETTA MARK G
DIR
JB
---
2,973
---
5/8/25
---
---
59,371
5.3
I
R
5/12/25 - 4:08:00 pm
13
    
 
COLLINS RICHARD ALEXANDER
DIR
JS
---
2,632
---
5/8/25
---
---
---
All
D
R
5/12/25 - 4:07:46 pm
14
    
 
COLLINS RICHARD ALEXANDER
DIR
JB
---
2,632
---
5/8/25
---
---
41,942
6.7
I
R
5/12/25 - 4:07:46 pm
15
    
 
COLLINS RICHARD ALEXANDER
DIR
JB
---
5,074
---
5/8/25
---
---
5,074
New
D
R
5/12/25 - 4:07:46 pm
16
    
 
ALTMAN STEVEN R
DIR
JS
---
2,613
---
5/8/25
---
---
---
All
D
R
5/12/25 - 4:07:35 pm
17
    
 
ALTMAN STEVEN R
DIR
JB
---
5,037
---
5/8/25
---
---
5,037
New
D
R
5/12/25 - 4:07:35 pm
18
    
 
ALTMAN STEVEN R
DIR
JB
---
2,613
---
5/8/25
---
---
58,630
4.7
I
R
5/12/25 - 4:07:35 pm
19
    
 
TOPOL ERIC
DIR
JS
---
2,618
---
5/8/25
---
---
---
All
D
R
5/12/25 - 4:07:23 pm
20
    
 
TOPOL ERIC
DIR
JB
---
2,618
---
5/8/25
---
---
380,545
0.7
I
R
5/12/25 - 4:07:23 pm
21
    
 
COLEMAN JON
VP
3
---
---
---
3/31/25
---
---
---
---
---
---
3/31/25 - 6:57:22 pm
22
1y
2
50%
11%
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
23
1y
21
33%
15%
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
24
    
 
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
25
1y
20
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
26
    
 
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
27
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
28
1y
20
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
29
    
 
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
30
    
 
LEACH JACOB STEVEN
VP,COO
JB
---
58,704
---
3/8/25
---
---
327,573
21.8
D
R
3/11/25 - 7:17:35 pm
31
    
 
STERN SADIE
VP,HR
JB
---
52,720
---
3/8/25
---
---
126,981
71.0
D
R
3/11/25 - 7:17:24 pm
32
    
 
BROWN MICHAEL JON
VP,LO
JB
---
52,720
---
3/8/25
---
---
118,602
80.0
D
R
3/11/25 - 7:17:12 pm
33
    
 
SYLVAIN JEREME M
VP,CFO
JB
---
58,704
---
3/8/25
---
---
142,482
70.1
D
R
3/11/25 - 7:17:00 pm
34
    
 
GALA RENEE D
DIR
JB
---
5,720
---
3/6/25
---
---
5,720
New
D
R
3/10/25 - 5:01:54 pm
35
    
 
GALA RENEE D
DIR
3
---
---
---
3/6/25
---
---
---
---
---
---
3/10/25 - 4:46:28 pm
36
1y
20
55%
-10%
1
SYLVAIN JEREME M
VP,CFO
S
$181,650
2,090
---
1/29/25
---
$86.91
83,526
-2.4
D
R
1/30/25 - 6:44:35 pm
37
    
 
DOLAN MATTHEW VINCENT
VP
S
$102,820
1,183
---
1/29/25
---
$86.91
42,044
-2.7
D
R
1/30/25 - 6:44:26 pm
38
    
 
STERN SADIE
VP,HR
S
$181,911
2,093
---
1/29/25
---
$86.91
74,261
-2.7
D
R
1/30/25 - 6:44:16 pm
39
1y
21
33%
15%
2
LEACH JACOB STEVEN
VP,COO
S
$228,932
2,634
---
1/29/25
---
$86.91
268,644
-1.0
D
R
1/30/25 - 6:44:07 pm
40
1y
76
33%
31%
1
SAYER KEVIN R
CB,CEO,PR,DIR
S
$2,899,368
33,359
---
1/29/25
---
$86.91
319,037
-9.5
D
R
1/30/25 - 6:43:57 pm
41
    
 
SYLVAIN JEREME M
VP,CFO
JB
---
5,586
---
1/28/25
---
---
85,616
7.0
D
R
1/30/25 - 6:44:35 pm
42
    
 
DOLAN MATTHEW VINCENT
VP
JB
---
3,048
---
1/28/25
---
---
43,227
7.6
D
R
1/30/25 - 6:44:26 pm
43
    
 
STERN SADIE
VP,HR
JB
---
5,586
---
1/28/25
---
---
76,354
7.9
D
R
1/30/25 - 6:44:16 pm
44
    
 
LEACH JACOB STEVEN
VP,COO
JB
---
7,107
---
1/28/25
---
---
271,278
2.7
D
R
1/30/25 - 6:44:07 pm
45
    
 
SAYER KEVIN R
CB,CEO,PR,DIR
JB
---
68,503
---
1/28/25
---
---
352,396
24.1
D
R
1/30/25 - 6:43:57 pm
46
    
 
STERN SADIE
VP,HR
S
$32,593
424
---
12/16/24
---
$76.87
70,768
-0.6
D
R
12/17/24 - 4:15:51 pm
47
1y
20
55%
-10%
1
SYLVAIN JEREME M
VP,CFO
S
$57,191
744
---
12/16/24
---
$76.87
80,030
-0.9
D
R
12/17/24 - 4:15:40 pm
48
1y
21
33%
15%
2
LEACH JACOB STEVEN
VP,COO
S
$57,191
744
---
12/16/24
---
$76.87
264,171
-0.3
D
R
12/17/24 - 4:15:29 pm
49
1y
2
50%
11%
2
HELLER BRIDGETTE P
DIR
AS
$76,870
1,000
---
12/16/24
---
$76.87
23,349
-4.1
D
R,10b
12/17/24 - 4:15:20 pm
50
    
 
STERN SADIE
VP,HR
S
$318,275
4,259
---
11/20/24
---
$74.73
71,192
-5.6
D
R
11/22/24 - 4:15:47 pm
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