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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:
WAYSTAR HOLDING CORP: WAY
Price: 6/12/26 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
$18.75 $41.47 $17.89 $3,596 192 2,465 0.0% 6.8% 110.46% 1.48%
Exch Sector Industry Sub-Industry
NasdaqGS Services Business Services Services- Computer Integrated Systems Design
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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
    
 
HAWKINS MATTHEW J
CEO,DIR
JS
$918,309
47,754
---
6/9/26
---
$19.23
926,816
-4.9
D
---
6/9/26 - 4:59:59 pm
2
    
 
WITTMAN KIMBERLY S
HR
JS
$52,517
2,731
---
6/9/26
---
$19.23
270,233
-1.0
D
---
6/9/26 - 4:59:53 pm
3
    
 
BRIDGE T CRAIG
O
JS
$234,837
12,212
---
6/9/26
---
$19.23
658,556
-1.8
D
---
6/9/26 - 4:59:48 pm
4
    
 
ORESKOVICH STEVEN M
CFO
JS
$241,971
12,583
---
6/9/26
---
$19.23
424,200
-2.9
D
---
6/9/26 - 4:59:43 pm
5
    
 
MILLER MELISSA F \(MISSY\)
SO
JS
$55,517
2,887
---
6/9/26
---
$19.23
252,077
-1.1
D
---
6/9/26 - 4:59:38 pm
6
    
 
SCHREMSER CHRISTOPHER L
CTO
JS
$283,662
14,751
---
6/9/26
---
$19.23
495,033
-2.9
D
---
6/9/26 - 4:59:33 pm
7
    
 
DEMICHIEI ROBERT
DIR
JB
---
9,303
---
6/3/26
---
---
46,199
25.2
D
R
6/3/26 - 6:24:24 pm
8
    
 
GUPTA AASHIMA
DIR
JB
---
9,303
---
6/3/26
---
---
14,437
181.2
D
R
6/3/26 - 6:24:18 pm
9
    
 
ROMAN MICHAEL F
DIR
JB
---
9,303
---
6/3/26
---
---
14,437
181.2
D
R
6/3/26 - 6:24:12 pm
10
    
 
RIEFBERG VIVIAN E
DIR
JB
---
9,303
---
6/3/26
---
---
23,132
67.3
D
R
6/3/26 - 6:24:06 pm
11
    
 
MILLER HEIDI
DIR
JB
---
9,303
---
6/3/26
---
---
40,917
29.4
D
R
6/3/26 - 6:24:00 pm
12
    
 
HUNG PRISCILLA
DIR
JB
---
9,303
---
6/3/26
---
---
23,132
67.3
D
R
6/3/26 - 6:23:54 pm
13
    
 
DRISCOLL JOHN PATRICK
DIR
JB
---
9,303
---
6/3/26
---
---
100,060
10.3
D
R
6/3/26 - 6:19:17 pm
14
    
 
MILLER MELISSA F \(MISSY\)
SO
JB
---
61,703
---
3/9/26
---
---
254,964
31.9
D
R
3/11/26 - 6:45:00 pm
15
    
 
WITTMAN KIMBERLY S
HR
JB
---
61,703
---
3/9/26
---
---
272,964
29.2
D
R
3/11/26 - 6:44:16 pm
16
    
 
PACKER GREGORY R
LO
JB
---
65,817
---
3/9/26
---
---
196,964
50.2
D
R
3/11/26 - 6:41:55 pm
17
    
 
CHAN WILLIAM
O
JB
---
82,271
---
3/9/26
---
---
1,580,812
5.5
D
R
3/11/26 - 6:41:15 pm
18
    
 
BRIDGE T CRAIG
O
JB
---
87,413
---
3/9/26
---
---
670,768
15.0
D
R
3/11/26 - 6:40:33 pm
19
    
 
SCHREMSER CHRISTOPHER L
CTO
JB
---
87,413
---
3/9/26
---
---
509,784
20.7
D
R
3/11/26 - 6:38:42 pm
20
    
 
ORESKOVICH STEVEN M
CFO
JB
---
82,271
---
3/9/26
---
---
436,783
23.2
D
R
3/11/26 - 6:37:48 pm
21
    
 
HAWKINS MATTHEW J
CEO,DIR
JB
---
257,096
---
3/9/26
---
---
974,570
35.8
D
R
3/11/26 - 6:36:50 pm
22
3m
1
0%
-22%
5
MILLER HEIDI
DIR
B
$188,986
7,200
---
3/2/26
---
$26.25
7,200
New
I
---
3/3/26 - 4:12:16 pm
23
    
 
SINCLAIR III ERIC L \(RIC\)
O
OS
$1,210,077
40,225
---
1/20/26
---
$30.08
474,826
-7.8
D
10b
1/22/26 - 4:14:18 pm
24
    
 
SINCLAIR III ERIC L \(RIC\)
O
OE
$272,778
40,225
---
1/20/26
---
$4.14
515,051
8.5
D
10b
1/22/26 - 4:14:18 pm
25
    
 
SINCLAIR III ERIC L \(RIC\)
O
OS
$318,396
9,701
---
12/22/25
---
$32.82
474,826
-2.0
D
10b
12/23/25 - 11:32:11 am
26
    
 
SINCLAIR III ERIC L \(RIC\)
O
OE
$40,162
9,701
---
12/22/25
---
$4.14
484,527
2.0
D
10b
12/23/25 - 11:32:11 am
27
    
 
SCHREMSER CHRISTOPHER L
CTO
OS
$262,225
8,623
---
12/10/25
---
$30.41
422,371
-2.0
D
10b
12/11/25 - 11:09:21 am
28
    
 
SCHREMSER CHRISTOPHER L
CTO
OE
$35,699
8,623
---
12/10/25
---
$4.14
430,994
2.0
D
10b
12/11/25 - 11:09:21 am
29
    
 
MILLER MELISSA F \(MISSY\)
SO
OS
$125,800
3,400
---
11/25/25
---
$37.00
193,261
-1.7
D
10b
11/26/25 - 10:12:49 am
30
    
 
MILLER MELISSA F \(MISSY\)
SO
OE
$61,846
3,400
---
11/25/25
---
$18.19
196,661
1.8
D
10b
11/26/25 - 10:12:49 am
31
    
 
SINCLAIR III ERIC L \(RIC\)
O
OS
$342,181
9,701
---
11/20/25
---
$35.27
474,826
-2.0
D
10b
11/21/25 - 11:01:30 am
32
    
 
SINCLAIR III ERIC L \(RIC\)
O
OE
$40,162
9,701
---
11/20/25
---
$4.14
484,527
2.0
D
10b
11/21/25 - 11:01:30 am
33
    
 
SCHREMSER CHRISTOPHER L
CTO
OS
$311,429
8,623
---
11/10/25
---
$36.12
422,371
-2.0
D
10b
11/12/25 - 12:14:25 pm
34
    
 
SCHREMSER CHRISTOPHER L
CTO
OE
$35,699
8,623
---
11/10/25
---
$4.14
430,994
2.0
D
10b
11/12/25 - 12:14:25 pm
35
    
 
SINCLAIR III ERIC L \(RIC\)
O
OS
$358,334
9,701
---
10/20/25
---
$36.94
474,826
-2.0
D
10b
10/21/25 - 4:09:41 pm
36
    
 
SINCLAIR III ERIC L \(RIC\)
O
OE
$40,162
9,701
---
10/20/25
---
$4.14
484,527
2.0
D
10b
10/21/25 - 4:09:41 pm
37
    
 
HAWKINS MATTHEW J
CEO,DIR
AS
$7,600
200
---
10/15/25
---
$38.00
717,474
-0.0
D
10b
10/20/25 - 9:40:56 am
38
    
 
HAWKINS MATTHEW J
CEO,DIR
OE
$828
200
---
10/15/25
---
$4.14
717,674
0.0
D
10b
10/20/25 - 9:40:56 am
39
    
 
SCHREMSER CHRISTOPHER L
CTO
OS
$312,215
8,623
---
10/10/25
---
$36.21
422,371
-2.0
D
10b
10/14/25 - 10:40:23 am
40
    
 
SCHREMSER CHRISTOPHER L
CTO
OE
$35,699
8,623
---
10/10/25
---
$4.14
430,994
2.0
D
10b
10/14/25 - 10:40:23 am
41
    
 
CHAN WILLIAM
O
3
---
---
---
10/1/25
---
---
1,498,541
---
D
---
10/15/25 - 11:41:28 am
42
    
 
YOUNG LAUREN
DIR
3
---
---
---
10/1/25
---
---
---
---
---
---
10/3/25 - 10:21:29 am
43
    
 
HAWKINS MATTHEW J
CEO,DIR
OS
$951,976
25,000
9/22/25
9/23/25
---
$38.08
717,474
-3.4
D
10b
9/24/25 - 1:04:40 pm
44
    
 
HAWKINS MATTHEW J
CEO,DIR
OE
$103,500
25,000
9/22/25
9/23/25
---
$4.14
730,274
3.5
D
10b
9/24/25 - 1:04:40 pm
45
    
 
SINCLAIR III ERIC L \(RIC\)
O
OS
$365,090
9,701
---
9/22/25
---
$37.63
474,826
-2.0
D
10b
9/24/25 - 1:03:58 pm
46
    
 
SINCLAIR III ERIC L \(RIC\)
O
OE
$40,162
9,701
---
9/22/25
---
$4.14
484,527
2.0
D
10b
9/24/25 - 1:03:58 pm
47
    
 
MOSKOWITZ PAUL G
DIR,BO
JS*
$168,412,400
4,295,139
---
9/12/25
---
$39.21
13,759,910
-23.8
I
---
9/16/25 - 4:30:10 pm
48
    
 
MOSKOWITZ PAUL G
DIR,BO
JS
---
516,371
---
9/12/25
---
---
13,243,539
-3.8
I
---
9/16/25 - 4:30:10 pm
49
1y
2
100%
-45%
25
BAIN CAPITAL INVESTORS LLC
BO
JS*
$168,412,400
4,295,139
---
9/12/25
---
$39.21
13,759,910
-23.8
I
---
9/16/25 - 4:30:08 pm
50
    
 
BAIN CAPITAL INVESTORS LLC
BO
JS
---
516,371
---
9/12/25
---
---
13,243,539
-3.8
I
---
9/16/25 - 4:30:08 pm
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