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Transaction Types Key To InsiderInsights' Infobase
 B  AB  JB*  OB  OE*  OE
 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
MASIMO CORP: MASI
Price: 4/18/25 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
$152.15 $194.88 $101.61 $8,221 54 590 0.0% 7.8% 99.29% 7.77%
Exch Sector Industry Sub-Industry
NasdaqGS Manufacturing Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks Electromedical & Electrotherapeutic Apparatus
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#
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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
1y
4
25%
14%
4
REYNOLDS CRAIG B
DIR
AS
$341,068
2,053
---
3/14/25
---
$166.13
16,581
-11.0
D
10b
3/14/25 - 5:24:34 pm
2
1y
7
0%
39%
1
MUHSIN BILAL
COO
OS
$5,024,585
30,000
---
3/10/25
$163.28
$171.76
24,172
-55.4
D
10b
3/12/25 - 8:05:51 pm
3
    
 
MUHSIN BILAL
COO
OE
$1,135,200
30,000
---
3/10/25
---
$37.84
54,172
124.1
D
10b
3/12/25 - 8:05:51 pm
4
    
 
TRIPODI BLAIR
COO
JS
$1,529,792
8,104
---
3/1/25
---
$188.77
6,896
-54.0
D
R
3/4/25 - 4:52:03 pm
5
    
 
TRIPODI BLAIR
COO
JB
---
15,000
---
3/1/25
---
---
15,000
New
D
R
3/4/25 - 4:52:03 pm
6
    
 
MUHSIN BILAL
COO
JS
$1,528,660
8,098
---
3/1/25
---
$188.77
24,172
-25.1
D
R
3/4/25 - 4:48:41 pm
7
    
 
MUHSIN BILAL
COO
JB
---
15,000
---
3/1/25
---
---
32,270
86.9
D
R
3/4/25 - 4:48:41 pm
8
    
 
YOUNG MICAH W
VP,CFO
JS
$1,529,037
8,100
---
3/1/25
---
$188.77
17,436
-31.7
D
R
3/4/25 - 4:44:25 pm
9
    
 
YOUNG MICAH W
VP,CFO
JB
---
15,000
---
3/1/25
---
---
25,536
142.4
D
R
3/4/25 - 4:44:25 pm
10
    
 
BRENNAN MICHELLE
CEO,DIR
JS
$864,520
4,816
---
2/12/25
---
$179.51
5,328
-47.5
D
R
2/14/25 - 5:21:10 pm
11
    
 
BRENNAN MICHELLE
CEO,DIR
JB
---
8,916
---
2/12/25
---
---
10,144
726.1
D
R
2/14/25 - 5:21:10 pm
12
    
 
SZYMAN CATHERINE M
CEO,DIR
3
---
---
---
2/12/25
---
---
---
---
---
---
2/14/25 - 5:04:59 pm
13
    
 
CHAPEK ROBERT A
DIR
JB
---
1,665
---
1/15/25
---
---
1,665
New
D
R
1/17/25 - 6:32:43 pm
14
    
 
LEVY TAO
VP,BD
JS
$2,327,869
14,398
---
11/13/24
---
$161.68
26,810
-34.9
D
R
11/15/24 - 6:05:19 pm
15
    
 
LEVY TAO
VP,BD
JB
---
30,000
---
11/13/24
---
---
41,208
267.7
D
R
11/15/24 - 6:05:19 pm
16
    
 
SCANNELL TIMOTHY J
DIR
3
---
---
---
10/16/24
---
---
---
---
---
---
10/18/24 - 9:07:09 am
17
    
 
LANE WENDY E
DIR
3
---
---
---
10/16/24
---
---
---
---
---
---
10/18/24 - 9:04:12 am
18
    
 
SOLOMON DARLENE J S
DIR
3
---
---
---
9/19/24
---
---
---
---
---
---
9/23/24 - 6:28:43 pm
19
    
 
JELLISON WILLIAM R
DIR
3
---
---
---
9/19/24
---
---
---
---
---
---
9/23/24 - 6:26:24 pm
20
    
 
KIANI JOE E
CEO,CB,DIR
OE
$8,769,344
231,748
---
8/8/24
---
$37.84
603,924
62.3
D
---
8/12/24 - 9:59:13 pm
21
    
 
POLITAN CAPITAL MANAGEMENT LP
O
JB
---
1,228
---
6/26/24
---
---
4,714,746
0.0
I
R
9/23/24 - 6:31:31 pm
22
    
 
BRENNAN MICHELLE
DIR
JB
---
1,228
---
6/26/24
---
---
1,228
New
D
R
9/23/24 - 6:22:47 pm
23
    
 
REYNOLDS CRAIG B
DIR
JB
---
1,228
---
6/26/24
---
---
18,634
7.1
D
R
6/28/24 - 4:33:20 pm
24
9m
1
100%
27%
4
REYNOLDS CRAIG B
DIR
OB
$230,400
10,000
---
5/1/24
---
$23.04
17,406
135.0
D
10b
5/3/24 - 5:47:26 pm
25
1y
4
25%
14%
4
REYNOLDS CRAIG B
DIR
OS
$5,446,616
40,000
---
4/26/24
---
$136.17
7,406
-84.4
D
10b
4/30/24 - 8:11:11 pm
26
    
 
REYNOLDS CRAIG B
DIR
OE
$921,600
40,000
---
4/26/24
---
$23.04
47,406
540.1
D
10b
4/30/24 - 8:11:11 pm
27
    
 
MUHSIN BILAL
COO
JS
$95,882
745
---
2/28/24
---
$128.70
17,270
-4.1
D
R
3/1/24 - 9:39:34 pm
28
    
 
MUHSIN BILAL
COO
JB
---
2,010
---
2/28/24
---
---
18,015
12.6
D
R
3/1/24 - 9:39:34 pm
29
    
 
LEVY TAO
VP,BD
JS
$51,609
401
---
2/28/24
---
$128.70
11,208
-3.5
D
R
3/1/24 - 9:38:42 pm
30
    
 
LEVY TAO
VP,BD
JB
---
1,004
---
2/28/24
---
---
11,609
9.5
D
R
3/1/24 - 9:38:42 pm
31
    
 
YOUNG MICAH W
VP,CFO
JS
$49,936
388
---
2/28/24
---
$128.70
10,536
-3.6
D
R
3/1/24 - 9:36:54 pm
32
    
 
YOUNG MICAH W
VP,CFO
JB
---
1,004
---
2/28/24
---
---
10,924
10.1
D
R
3/1/24 - 9:36:54 pm
33
    
 
KIANI JOE E
CEO,CB,DIR
JS
$505,662
3,929
---
2/28/24
---
$128.70
372,176
-1.0
D
R
3/1/24 - 9:35:09 pm
34
    
 
KIANI JOE E
CEO,CB,DIR
JB
---
10,050
---
2/28/24
---
---
376,105
2.7
D
R
3/1/24 - 9:35:09 pm
35
    
 
MCCLENAHAN THOMAS SAMUEL
VP,GC,SEC
JS
$50,708
394
---
2/28/24
---
$128.70
36,747
-1.1
D
R
3/1/24 - 9:16:36 pm
36
    
 
MCCLENAHAN THOMAS SAMUEL
VP,GC,SEC
JB
---
1,004
---
2/28/24
---
---
37,141
2.8
D
R
3/1/24 - 9:16:36 pm
37
    
 
CHAPEK ROBERT A
DIR
3
---
---
---
1/15/24
---
---
---
---
---
---
1/16/24 - 7:01:56 pm
38
    
 
CLASSON ROLF A
DIR
3
---
---
---
11/3/23
---
---
---
---
---
---
11/7/23 - 5:13:08 pm
39
    
 
POLITAN CAPITAL MANAGEMENT LP
O
3
---
---
---
6/26/23
---
---
4,713,518
---
I
---
7/6/23 - 4:00:50 pm
40
    
 
BRENNAN MICHELLE
DIR
3
---
---
---
6/26/23
---
---
---
---
---
---
6/29/23 - 4:35:06 pm
41
    
 
SHIMER JULIE ANN
DIR
JB
---
1,435
---
5/26/23
---
---
4,410
48.2
D
R
5/31/23 - 4:18:43 pm
42
    
 
REYNOLDS CRAIG B
DIR
JB
---
1,435
---
5/26/23
---
---
6,657
27.5
D
R
5/31/23 - 4:18:19 pm
43
    
 
COHEN H MICHAEL
DIR
JB
---
1,435
---
5/26/23
---
---
3,823
60.1
D
R
5/31/23 - 4:18:01 pm
44
    
 
MIKKELSON ADAM
DIR
JB
---
1,435
---
5/26/23
---
---
4,108
53.7
D
R
5/31/23 - 4:17:38 pm
45
1y
11
55%
2%
3
KIANI JOE E
CEO,CB,DIR
B
$1,000,343
6,365
---
5/25/23
$156.79
$158.19
366,055
1.8
D
---
5/30/23 - 8:41:02 pm
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