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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:
ALTAIR ENGINEERING INC: ALTR
Price: 3/28/25 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
$111.85 $113.12 $75.71 $9,633 61 774 0.0% 14.2% 92.53% 2.00%
Exch Sector Industry Sub-Industry
NasdaqGS Manufacturing Electronic And Other Electrical Equipment And Components, Except Computer Equipment Semiconductors & Related Devices
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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
87
34%
18%
1
SCAPA JAMES RALPH
CEO,DIR,BO
AS
$703,294
10,000
---
4/17/23
$70.28
$71.08
---
All
I
R,10b
4/18/23 - 3:50:31 pm
2
    
 
SCAPA JAMES RALPH
CEO,DIR,BO
JB
---
10,000
---
4/17/23
---
---
5,000
---
I
R,10b
4/18/23 - 3:50:31 pm
3
1y
60
47%
12%
1
JRS INVESTMENTS LLC
BO
AS
$351,647
5,000
---
4/17/23
$70.28
$71.08
---
All
D
10b
4/18/23 - 3:49:09 pm
4
    
 
JRS INVESTMENTS LLC
BO
JB
---
5,000
---
4/17/23
---
---
5,000
New
D
10b
4/18/23 - 3:49:09 pm
5
1y
63
46%
12%
1
JAMES R SCAPA DECLARATION OF TRUST
BO
AS
$351,647
5,000
---
4/17/23
$70.28
$71.08
---
All
D
10b
4/18/23 - 3:47:34 pm
6
    
 
JAMES R SCAPA DECLARATION OF TRUST
BO
JB
---
5,000
---
4/17/23
---
---
5,000
New
D
10b
4/18/23 - 3:47:34 pm
7
1y
54
39%
16%
1
CHRIST GEORGE J
BO
S
$7,123,397
100,000
4/13/23
4/14/23
$70.98
$71.78
---
All
I
---
4/17/23 - 8:41:26 am
8
    
 
CHRIST GEORGE J
BO
JB
---
100,000
4/13/23
4/14/23
---
---
50,000
---
I
---
4/17/23 - 8:41:26 am
9
1y
13
31%
21%
1
GC INVESTMENTS LLC
BO
S
$7,123,397
100,000
4/13/23
4/14/23
$70.98
$71.78
---
All
D
---
4/17/23 - 8:40:14 am
10
    
 
GC INVESTMENTS LLC
BO
JB
---
100,000
4/13/23
4/14/23
---
---
50,000
---
D
---
4/17/23 - 8:40:14 am
11
1y
54
39%
16%
1
CHRIST GEORGE J
BO
S
$3,525,200
50,000
---
4/11/23
---
$70.50
---
All
I
---
4/12/23 - 3:53:03 pm
12
    
 
CHRIST GEORGE J
BO
JB
---
50,000
---
4/11/23
---
---
50,000
New
I
---
4/12/23 - 3:53:03 pm
13
1y
47
45%
13%
1
CHRIST REVOCABLE TRUST
BO
S
$3,525,200
50,000
---
4/11/23
---
$70.50
---
All
D
---
4/12/23 - 3:51:38 pm
14
    
 
CHRIST REVOCABLE TRUST
BO
JB
---
50,000
---
4/11/23
---
---
50,000
New
D
---
4/12/23 - 3:51:38 pm
15
1y
54
39%
16%
1
CHRIST GEORGE J
BO
S
$3,524,550
50,000
---
4/6/23
---
$70.49
---
All
I
---
4/10/23 - 2:02:27 pm
16
    
 
CHRIST GEORGE J
BO
JB
---
50,000
---
4/6/23
---
---
50,000
New
I
---
4/10/23 - 2:02:27 pm
17
1y
47
45%
13%
1
CHRIST REVOCABLE TRUST
BO
S
$3,524,550
50,000
---
4/6/23
---
$70.49
---
All
D
---
4/10/23 - 2:01:02 pm
18
    
 
CHRIST REVOCABLE TRUST
BO
JB
---
50,000
---
4/6/23
---
---
50,000
New
D
---
4/10/23 - 2:01:02 pm
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