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 B  AB  JB*  OB  OE*  OE
 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
MKS INSTRUMENTS INC: MKSI
Price: 2/21/25 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
$103.09 $147.40 $97.54 $6,938 67 817 0.9% 5.8% 108.02% 1.01%
Exch Sector Industry Sub-Industry
NasdaqGS Manufacturing Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks Industrial Instruments For Measurement, Display,and Control
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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
    
 
GITIN MARK MILTON
VP
JB
---
6,841
---
2/15/24
---
---
18,686
57.8
D
R
2/16/24 - 3:10:39 pm
2
    
 
BURKE KATHLEEN FLAHERTY
VP,GC,SEC
JS
$600,001
4,912
---
2/15/24
---
$122.15
50,410
-8.9
D
R
2/16/24 - 3:05:47 pm
3
    
 
BURKE KATHLEEN FLAHERTY
VP,GC,SEC
JB
---
12,458
---
2/15/24
---
---
55,322
29.1
D
R
2/16/24 - 3:05:47 pm
4
    
 
BAGSHAW SETH H
VP,CFO,TR
JS
$1,120,482
9,173
---
2/15/24
---
$122.15
32,866
-21.8
D
R
2/16/24 - 3:02:30 pm
5
    
 
BAGSHAW SETH H
VP,CFO,TR
JB
---
21,366
---
2/15/24
---
---
42,039
103.4
D
R
2/16/24 - 3:02:30 pm
6
    
 
LEE JOHN TSENG CHUNG
PR,CEO,DIR
JS
$3,692,717
30,231
---
2/15/24
---
$122.15
112,441
-21.2
D
R
2/16/24 - 2:58:40 pm
7
    
 
LEE JOHN TSENG CHUNG
PR,CEO,DIR
JB
---
64,534
---
2/15/24
---
---
142,672
82.6
D
R
2/16/24 - 2:58:40 pm
8
1y
60
42%
12%
2
COLELLA GERARD G
DIR
AS
$1,200,003
10,000
---
2/9/24
---
$120.00
68,017
-12.8
I
10b
2/12/24 - 12:21:00 pm
9
1y
60
42%
12%
2
COLELLA GERARD G
DIR
AS
$1,100,004
10,000
---
1/22/24
---
$110.00
78,017
-11.4
I
10b
1/23/24 - 1:45:08 pm
10
1y
36
25%
20%
1
MORA ELIZABETH
DIR
AS
$25,225
250
---
1/2/24
---
$100.90
17,112
-1.4
D
10b
1/3/24 - 1:54:30 pm
11
    
 
BAGSHAW SETH H
VP,CFO,TR
JS
$58,849
699
---
12/1/23
---
$84.19
20,673
-3.3
D
R
12/5/23 - 2:40:05 pm
12
    
 
BAGSHAW SETH H
VP,CFO,TR
JB
---
699
---
12/1/23
---
---
21,372
3.4
D
R
12/5/23 - 2:40:05 pm
13
    
 
LEE JOHN TSENG CHUNG
PR,CEO,DIR
JS
$275,722
3,275
---
12/1/23
---
$84.19
78,139
-4.0
D
R
12/5/23 - 2:36:50 pm
14
    
 
LEE JOHN TSENG CHUNG
PR,CEO,DIR
JB
---
3,275
---
12/1/23
---
---
81,414
4.2
D
R
12/5/23 - 2:36:50 pm
15
1y
10
30%
31%
2
MOLONEY JACQUELINE F
DIR
AS
$20,558
250
---
12/1/23
---
$82.23
11,328
-2.2
D
10b
12/4/23 - 10:17:58 am
16
1y
36
25%
20%
1
MORA ELIZABETH
DIR
AS
$21,788
250
---
10/2/23
---
$87.15
17,362
-1.4
D
10b
10/3/23 - 2:34:14 pm
17
1y
30
53%
20%
2
BAGSHAW SETH H
VP,CFO,TR
S
$2,432,584
25,000
---
9/6/23
$97.16
$97.66
20,547
-54.9
D
---
9/7/23 - 1:03:47 pm
18
1y
60
42%
12%
2
COLELLA GERARD G
DIR
AS
$1,000,056
10,000
---
8/31/23
---
$100.01
88,017
-10.2
I
10b
9/1/23 - 10:13:05 am
19
1y
10
30%
31%
2
MOLONEY JACQUELINE F
DIR
S
$23,814
250
---
8/28/23
---
$95.25
11,578
-2.1
D
---
8/29/23 - 12:22:10 pm
20
1y
2
0%
6%
1
BURKE KATHLEEN FLAHERTY
VP,GC,SEC
S
$1,170,543
11,563
---
8/7/23
$101.08
$101.40
42,738
-21.3
D
---
8/8/23 - 12:21:59 pm
21
1y
36
25%
20%
1
MORA ELIZABETH
DIR
AS
$27,123
250
---
7/3/23
---
$108.49
17,612
-1.4
D
10b
7/5/23 - 12:30:11 pm
22
1y
36
25%
20%
1
MORA ELIZABETH
DIR
AS
$19,432
200
---
6/1/23
---
$97.16
17,862
-1.1
D
10b
6/2/23 - 11:50:32 am
23
1y
10
30%
31%
2
MOLONEY JACQUELINE F
DIR
AS
$21,861
225
---
6/1/23
---
$97.16
11,828
-1.9
D
10b
6/2/23 - 11:46:53 am
24
    
 
WARNER MICHELLE M
DIR
JB
---
2,369
---
5/16/23
---
---
9,230
34.5
D
R
5/17/23 - 3:33:36 pm
25
    
 
MORA ELIZABETH
DIR
JB
---
2,369
---
5/16/23
---
---
18,062
15.1
D
R
5/17/23 - 3:30:56 pm
26
    
 
MOLONEY JACQUELINE F
DIR
JB
---
2,369
---
5/16/23
---
---
12,053
24.5
D
R
5/17/23 - 3:24:19 pm
27
    
 
DONAHUE JOSEPH B
DIR
JB
---
2,369
---
5/16/23
---
---
7,250
48.5
D
R
5/17/23 - 3:20:57 pm
28
    
 
CANNONE PETER III
DIR
JB
---
2,369
---
5/16/23
---
---
5,511
75.4
D
R
5/17/23 - 3:18:40 pm
29
    
 
BATRA RAJ
DIR
JB
---
2,369
---
5/16/23
---
---
11,344
26.4
D
R
5/17/23 - 3:15:54 pm
30
    
 
COLELLA GERARD G
DIR
JB
---
2,369
---
5/16/23
---
---
4,116
135.6
D
R
5/17/23 - 3:13:19 pm
31
    
 
COLELLA GERARD G
DIR
JS
---
1,000
---
5/11/23
---
---
98,017
-1.0
I
---
5/12/23 - 10:52:44 am
32
    
 
CARLYLE PARTNERS VI CAYMAN HOLDINGS L P
BO
JS*
$172,250,000
2,000,000
---
5/8/23
---
$86.12
6,482,732
-23.6
I
---
5/10/23 - 4:59:52 pm
33
1y
1
0%
54%
8
CARLYLE GROUP INC
BO
JS*
$172,250,000
2,000,000
---
5/8/23
---
$86.12
6,482,732
-23.6
I
---
5/10/23 - 4:37:26 pm
34
    
 
TARANTO ERIC ROBERT
VP
JS
$22,655
275
---
4/17/23
---
$82.38
8,710
-3.1
D
R
4/19/23 - 11:44:37 am
35
    
 
TARANTO ERIC ROBERT
VP
JB
---
935
---
4/17/23
---
---
8,985
11.6
D
R
4/19/23 - 11:44:37 am
36
    
 
GITIN MARK MILTON
VP
JS
$51,240
622
---
4/17/23
---
$82.38
11,568
-5.1
D
R
4/19/23 - 11:41:05 am
37
    
 
GITIN MARK MILTON
VP
JB
---
1,797
---
4/17/23
---
---
12,190
17.3
D
R
4/19/23 - 11:41:05 am
38
1y
36
25%
20%
1
MORA ELIZABETH
DIR
AS
$17,334
200
---
3/15/23
---
$86.67
15,693
-1.3
D
10b
3/16/23 - 3:32:31 pm
39
1y
10
30%
31%
2
MOLONEY JACQUELINE F
DIR
AS
$19,501
225
---
3/15/23
---
$86.67
9,684
-2.3
D
10b
3/16/23 - 3:29:27 pm
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