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 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
    
 
GC INVESTMENTS LLC
BO
JB
---
300,000
---
6/17/24
---
---
400,000
300.0
D
---
6/18/24 - 4:25:40 pm
2
    
 
MAITRA RAOUL
LO
S
$99,199
1,030
---
6/14/24
---
$96.31
26,230
-3.8
D
R
6/18/24 - 4:10:34 pm
3
    
 
GAYLE BRIAN
CAO
S
$180,200
1,866
---
6/13/24
---
$96.57
16,557
-10.1
D
R
6/14/24 - 9:03:24 am
4
1y
54
39%
16%
1
CHRIST GEORGE J
BO
S
$18,971,822
200,000
6/11/24
6/12/24
$92.19
$97.59
---
All
I
---
6/13/24 - 11:48:12 am
5
1y
13
31%
21%
1
GC INVESTMENTS LLC
BO
S
$9,722,777
100,000
---
6/12/24
$97.12
$97.59
100,000
-50.0
D
---
6/13/24 - 11:43:47 am
6
1y
47
45%
13%
1
CHRIST REVOCABLE TRUST
BO
S
$9,249,046
100,000
---
6/11/24
$92.19
$92.77
---
All
D
---
6/13/24 - 11:46:02 am
7
1y
63
46%
12%
1
JAMES R SCAPA DECLARATION OF TRUST
BO
AS
$605,569
6,500
---
6/10/24
$92.71
$94.19
---
All
D
10b
6/11/24 - 3:55:45 pm
8
    
 
JAMES R SCAPA DECLARATION OF TRUST
BO
JB
---
6,500
---
6/10/24
---
---
6,500
New
D
10b
6/11/24 - 3:55:45 pm
9
1y
87
34%
18%
1
SCAPA JAMES RALPH
CEO,DIR,BO
AS
$1,211,139
13,000
---
6/10/24
$92.71
$94.19
---
All
I
R,10b
6/11/24 - 3:52:56 pm
10
    
 
SCAPA JAMES RALPH
CEO,DIR,BO
JB
---
13,000
---
6/10/24
---
---
6,500
---
I
R,10b
6/11/24 - 3:52:56 pm
11
1y
60
47%
12%
1
JRS INVESTMENTS LLC
BO
AS
$605,569
6,500
---
6/10/24
$92.71
$94.19
---
All
D
10b
6/11/24 - 3:52:41 pm
12
    
 
JRS INVESTMENTS LLC
BO
JB
---
6,500
---
6/10/24
---
---
6,500
New
D
10b
6/11/24 - 3:52:41 pm
13
1y
8
13%
42%
1
SRIKANTH MAHALINGAM
CTO
S
$220,645
2,479
---
6/5/24
---
$89.01
34,077
-6.8
D
R
6/5/24 - 7:04:30 pm
14
    
 
HARRIS TERESA A
DIR
AS
$53,289
620
---
6/4/24
---
$85.95
21,242
-2.8
D
R,10b
6/5/24 - 3:40:48 pm
15
    
 
HARRIS TERESA A
DIR
JB
---
620
---
6/4/24
---
---
21,862
2.9
D
R,10b
6/5/24 - 3:40:48 pm
16
1y
16
0%
32%
1
MESSANO AMY
SO
S
$1,796,781
19,852
---
5/21/24
---
$90.51
18,141
-52.3
D
R
5/23/24 - 1:29:27 pm
17
    
 
MESSANO AMY
SO
JB
---
19,852
---
5/21/24
---
---
37,993
109.4
D
R
5/23/24 - 1:29:27 pm
18
1y
54
39%
16%
1
CHRIST GEORGE J
BO
S
$4,584,768
50,000
5/20/24
5/21/24
---
$90.86
200,000
-20.0
I
---
5/22/24 - 1:23:39 pm
19
1y
13
31%
21%
1
GC INVESTMENTS LLC
BO
S
$4,584,768
50,000
5/20/24
5/21/24
---
$90.86
200,000
-20.0
D
---
5/22/24 - 1:21:25 pm
20
    
 
SARAVIA GILMA
HR
S
$153,379
1,684
---
5/17/24
---
$91.08
17,080
-9.0
D
R
5/20/24 - 1:39:28 pm
21
    
 
GAYLE BRIAN
CAO
S
$69,649
773
---
5/17/24
---
$90.10
18,423
-4.0
D
R
5/20/24 - 1:38:18 pm
22
1y
54
39%
16%
1
CHRIST GEORGE J
BO
S
$4,517,986
50,000
---
5/17/24
$90.32
$91.16
250,000
-16.7
I
---
5/20/24 - 10:19:30 am
23
1y
13
31%
21%
1
GC INVESTMENTS LLC
BO
S
$4,517,986
50,000
---
5/17/24
$90.32
$91.16
250,000
-16.7
D
---
5/20/24 - 10:18:05 am
24
    
 
MARRACCINI JEFFREY
O
S
$1,032,525
12,043
5/13/24
5/14/24
---
$85.74
4,597
-72.4
D
R
5/15/24 - 12:26:56 pm
25
    
 
MARRACCINI JEFFREY
O
JB
---
12,000
---
5/14/24
---
---
16,597
261.0
D
R
5/15/24 - 12:26:56 pm
26
    
 
MAITRA RAOUL
LO
S
$82,492
962
---
5/10/24
---
$85.75
27,360
-3.4
D
A,R
6/20/24 - 2:46:32 pm
27
    
 
KUNJU RAVI
O
S
$93,426
1,095
---
5/10/24
---
$85.32
30,582
-3.5
D
R
5/14/24 - 11:05:56 am
28
    
 
MAITRA RAOUL
LO
S
$112,824
1,316
---
5/10/24
$85.66
$85.75
27,260
-4.6
D
R
5/14/24 - 10:59:51 am
29
    
 
HARRIS TERESA A
DIR
JB
---
2,347
---
5/8/24
---
---
21,242
12.4
D
R
5/10/24 - 9:39:57 am
30
    
 
EARHART STEPHEN P
DIR
JB
---
2,347
---
5/8/24
---
---
65,242
3.7
D
R
5/10/24 - 9:38:28 am
31
    
 
CARTER SANDRA ANN
DIR
JB
---
2,347
---
5/8/24
---
---
13,389
21.3
D
R
5/10/24 - 9:35:11 am
32
    
 
BOYCE MARY CUNNINGHAM
DIR
JB
---
2,347
---
5/8/24
---
---
31,242
8.1
D
R
5/10/24 - 9:32:03 am
33
    
 
AYYAR SHEKAR G
DIR
JB
---
2,347
---
5/8/24
---
---
11,312
26.2
D
R
5/10/24 - 9:28:27 am
34
    
 
ANDERSON JAMES FRANCIS
DIR
JB
---
2,347
---
5/8/24
---
---
15,229
18.2
D
R
5/10/24 - 9:26:33 am
35
    
 
MARRACCINI JEFFREY
O
S
$1,941
23
---
5/8/24
---
$84.38
4,640
-0.5
D
R
5/10/24 - 9:23:39 am
36
    
 
KUNJU RAVI
O
S
$2,110
25
---
5/8/24
---
$84.38
31,677
-0.1
D
R
5/10/24 - 9:21:23 am
37
    
 
MAITRA RAOUL
LO
S
$12,910
153
---
5/8/24
---
$84.38
28,576
-0.5
D
R
5/10/24 - 9:19:35 am
38
1y
23
4%
35%
1
DIAS NELSON
O
S
$24,048
285
---
5/8/24
---
$84.38
48,437
-0.6
D
R
5/10/24 - 9:06:58 am
39
    
 
SARAVIA GILMA
HR
S
$12,910
153
---
5/8/24
---
$84.38
18,764
-0.8
D
R
5/10/24 - 9:05:04 am
40
1y
16
0%
32%
1
MESSANO AMY
SO
S
$12,910
153
---
5/8/24
---
$84.38
18,141
-0.8
D
R
5/10/24 - 9:01:43 am
41
    
 
GAYLE BRIAN
CAO
S
$14,597
173
---
5/8/24
---
$84.38
19,196
-0.9
D
R
5/10/24 - 8:59:19 am
42
1y
8
13%
42%
1
SRIKANTH MAHALINGAM
CTO
S
$12,910
153
---
5/8/24
---
$84.38
36,556
-0.4
D
R
5/10/24 - 8:55:36 am
43
1y
87
34%
18%
1
SCAPA JAMES RALPH
CEO,DIR,BO
S
$469,117
5,560
---
5/8/24
---
$84.37
134,045
-4.0
D
R
5/10/24 - 8:52:55 am
44
1y
87
34%
18%
1
SCAPA JAMES RALPH
CEO,DIR,BO
S
$759
9
---
5/8/24
---
$84.38
1,193
-0.7
I
R
5/10/24 - 8:52:55 am
45
1y
54
39%
16%
1
CHRIST GEORGE J
BO
S
$7,423,856
87,217
---
5/8/24
$85.11
$85.71
100,000
-46.6
I
---
5/9/24 - 7:51:28 pm
46
1y
47
45%
13%
1
CHRIST REVOCABLE TRUST
BO
S
$7,423,856
87,217
---
5/8/24
$85.11
$85.71
100,000
-46.6
D
---
5/9/24 - 7:49:13 pm
47
    
 
HARRIS TERESA A
DIR
AS
$51,392
620
---
5/7/24
---
$82.89
18,895
-3.2
D
R,10b
5/8/24 - 11:26:23 am
48
    
 
HARRIS TERESA A
DIR
JB
---
620
---
5/7/24
---
---
19,515
3.3
D
R,10b
5/8/24 - 11:26:23 am
49
1y
54
39%
16%
1
CHRIST GEORGE J
BO
S
$1,097,379
12,783
---
4/9/24
$85.81
$86.57
187,217
-6.4
I
---
4/11/24 - 4:44:39 pm
50
1y
47
45%
13%
1
CHRIST REVOCABLE TRUST
BO
S
$1,097,379
12,783
---
4/9/24
$85.81
$86.57
187,217
-6.4
D
---
4/11/24 - 4:38:53 pm
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