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Detailed Insider History for:
ALTAIR ENGINEERING INC: ALTR
Price: 12/6/24 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
$106.17 $113.12 $71.16 $9,044 60 868 0.0% 7.8% 109.77% 2.27%
Exch Sector Industry Sub-Industry
NasdaqGS Manufacturing Electronic And Other Electrical Equipment And Components, Except Computer Equipment Semiconductors & Related Devices
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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
7
14%
43%
1
SRIKANTH MAHALINGAM
CTO
S
$137,134
1,298
---
12/3/24
---
$105.65
38,743
-3.2
D
R
12/5/24 - 9:30:46 am
2
1y
80
38%
17%
1
SCAPA JAMES RALPH
CEO,DIR,BO
S
$1,700,437
16,095
---
12/3/24
---
$105.65
117,950
-12.0
D
R
12/5/24 - 9:28:58 am
3
1y
80
38%
17%
1
SCAPA JAMES RALPH
CEO,DIR,BO
AS
$1,373,975
13,000
---
11/29/24
---
$105.69
---
All
I
R,10b
12/2/24 - 4:05:23 pm
4
    
 
SCAPA JAMES RALPH
CEO,DIR,BO
JB
---
13,000
---
11/29/24
---
---
6,500
---
I
R,10b
12/2/24 - 4:05:23 pm
5
1y
56
50%
10%
1
JRS INVESTMENTS LLC
BO
AS
$686,988
6,500
---
11/29/24
---
$105.69
---
All
D
10b
12/2/24 - 4:04:19 pm
6
    
 
JRS INVESTMENTS LLC
BO
JB
---
6,500
---
11/29/24
---
---
6,500
New
D
10b
12/2/24 - 4:04:19 pm
7
1y
59
49%
10%
1
JAMES R SCAPA DECLARATION OF TRUST
BO
AS
$686,988
6,500
---
11/29/24
---
$105.69
---
All
D
10b
12/2/24 - 4:03:16 pm
8
    
 
JAMES R SCAPA DECLARATION OF TRUST
BO
JB
---
6,500
---
11/29/24
---
---
6,500
New
D
10b
12/2/24 - 4:03:16 pm
9
1y
7
14%
43%
1
SRIKANTH MAHALINGAM
CTO
S
$12,590
119
---
11/26/24
---
$105.80
40,041
-0.3
D
R
11/27/24 - 10:43:21 am
10
    
 
SRIKANTH MAHALINGAM
CTO
JB
---
6,000
---
11/26/24
---
---
40,160
17.6
D
R
11/27/24 - 10:43:21 am
11
    
 
KUNJU RAVI
O
JB
---
200
---
11/22/24
---
---
30,505
0.7
D
R
11/25/24 - 8:29:05 am
12
    
 
KUNJU RAVI
O
S
$37,314
360
---
11/11/24
---
$103.65
30,305
-1.2
D
R
11/12/24 - 11:16:33 am
13
    
 
MARRACCINI JEFFREY
O
S
$189,878
1,824
---
11/5/24
---
$104.10
4,680
-28.0
D
R
11/7/24 - 11:25:08 am
14
    
 
MARRACCINI JEFFREY
O
JB
---
1,824
---
11/5/24
---
---
6,504
39.0
D
R
11/7/24 - 11:25:08 am
15
    
 
HARRIS TERESA A
DIR
AS
$64,542
620
---
11/5/24
---
$104.10
21,242
-2.8
D
R,10b
11/6/24 - 11:30:37 am
16
    
 
HARRIS TERESA A
DIR
JB
---
620
---
11/5/24
---
---
21,862
2.9
D
R,10b
11/6/24 - 11:30:37 am
17
1y
80
38%
17%
1
SCAPA JAMES RALPH
CEO,DIR,BO
AS
$1,333,696
13,000
---
10/28/24
$102.08
$103.84
---
All
I
R,10b
10/29/24 - 2:21:56 pm
18
    
 
SCAPA JAMES RALPH
CEO,DIR,BO
JB
---
13,000
---
10/28/24
---
---
6,500
---
I
R,10b
10/29/24 - 2:21:56 pm
19
1y
56
50%
10%
1
JRS INVESTMENTS LLC
BO
AS
$666,849
6,500
---
10/28/24
$102.08
$103.84
---
All
D
10b
10/29/24 - 2:14:04 pm
20
    
 
JRS INVESTMENTS LLC
BO
JB
---
6,500
---
10/28/24
---
---
6,500
New
D
10b
10/29/24 - 2:14:04 pm
21
1y
59
49%
10%
1
JAMES R SCAPA DECLARATION OF TRUST
BO
AS
$666,847
6,500
---
10/28/24
$102.08
$103.84
---
All
D
10b
10/29/24 - 2:11:39 pm
22
    
 
JAMES R SCAPA DECLARATION OF TRUST
BO
JB
---
6,500
---
10/28/24
---
---
6,500
New
D
10b
10/29/24 - 2:11:39 pm
23
1y
43
49%
11%
1
CHRIST REVOCABLE TRUST
BO
S
$10,657,488
100,000
---
10/23/24
$101.92
$109.13
---
All
D
---
10/25/24 - 2:03:20 pm
24
1y
50
42%
15%
1
CHRIST GEORGE J
BO
S
$10,657,488
100,000
---
10/23/24
$101.92
$109.13
---
All
I
---
10/25/24 - 2:02:05 pm
25
1y
50
42%
15%
1
CHRIST GEORGE J
BO
S
$9,523,390
100,000
10/11/24
10/14/24
$95.20
$95.31
300,000
-25.0
I
---
10/15/24 - 9:42:45 am
26
1y
13
31%
21%
1
GC INVESTMENTS LLC
BO
S
$9,523,390
100,000
10/11/24
10/14/24
$95.20
$95.31
300,000
-25.0
D
---
10/15/24 - 9:41:18 am
27
1y
50
42%
15%
1
CHRIST GEORGE J
BO
S
$4,781,646
49,952
---
10/9/24
$95.05
$96.22
100,000
-33.3
I
---
10/10/24 - 8:05:26 am
28
1y
43
49%
11%
1
CHRIST REVOCABLE TRUST
BO
S
$4,781,646
49,952
---
10/9/24
$95.05
$96.22
100,000
-33.3
D
---
10/10/24 - 8:02:37 am
29
    
 
HARRIS TERESA A
DIR
AS
$58,974
620
---
10/1/24
---
$95.12
21,242
-2.8
D
R,10b
10/1/24 - 6:52:52 pm
30
    
 
HARRIS TERESA A
DIR
JB
---
620
---
10/1/24
---
---
21,862
2.9
D
R,10b
10/1/24 - 6:52:52 pm
31
1y
80
38%
17%
1
SCAPA JAMES RALPH
CEO,DIR,BO
AS
$1,236,337
13,000
---
9/30/24
$95.03
$95.55
---
All
I
R,10b
10/1/24 - 10:58:02 am
32
    
 
SCAPA JAMES RALPH
CEO,DIR,BO
JB
---
13,000
---
9/30/24
---
---
6,500
---
I
R,10b
10/1/24 - 10:58:02 am
33
1y
56
50%
10%
1
JRS INVESTMENTS LLC
BO
AS
$618,169
6,500
---
9/30/24
$95.03
$95.55
---
All
D
10b
10/1/24 - 10:56:36 am
34
    
 
JRS INVESTMENTS LLC
BO
JB
---
6,500
---
9/30/24
---
---
6,500
New
D
10b
10/1/24 - 10:56:36 am
35
1y
59
49%
10%
1
JAMES R SCAPA DECLARATION OF TRUST
BO
AS
$618,169
6,500
---
9/30/24
$95.03
$95.55
---
All
D
10b
10/1/24 - 10:54:32 am
36
    
 
JAMES R SCAPA DECLARATION OF TRUST
BO
JB
---
6,500
---
9/30/24
---
---
6,500
New
D
10b
10/1/24 - 10:54:32 am
37
1y
43
49%
11%
1
CHRIST REVOCABLE TRUST
BO
S
$4,758,224
50,048
---
9/27/24
---
$95.07
149,952
-25.0
D
---
9/30/24 - 2:48:42 pm
38
1y
50
42%
15%
1
CHRIST GEORGE J
BO
S
$4,758,224
50,048
---
9/27/24
---
$95.07
149,952
-25.0
I
---
9/30/24 - 2:47:19 pm
39
    
 
HARRIS TERESA A
DIR
AS
$55,614
620
---
9/3/24
---
$89.70
21,242
-2.8
D
R,10b
9/4/24 - 6:43:26 am
40
    
 
HARRIS TERESA A
DIR
JB
---
620
---
9/3/24
---
---
21,862
2.9
D
R,10b
9/4/24 - 6:43:26 am
41
1y
80
38%
17%
1
SCAPA JAMES RALPH
CEO,DIR,BO
AS
$1,157,478
13,000
---
8/28/24
$88.89
$89.53
---
All
I
R,10b
8/29/24 - 1:55:25 pm
42
    
 
SCAPA JAMES RALPH
CEO,DIR,BO
JB
---
13,000
---
8/28/24
---
---
6,500
---
I
R,10b
8/29/24 - 1:55:25 pm
43
1y
56
50%
10%
1
JRS INVESTMENTS LLC
BO
AS
$578,739
6,500
---
8/28/24
$88.89
$89.53
---
All
D
10b
8/29/24 - 1:53:53 pm
44
    
 
JRS INVESTMENTS LLC
BO
JB
---
6,500
---
8/28/24
---
---
6,500
New
D
10b
8/29/24 - 1:53:53 pm
45
1y
59
49%
10%
1
JAMES R SCAPA DECLARATION OF TRUST
BO
AS
$578,739
6,500
---
8/28/24
$88.89
$89.53
---
All
D
10b
8/29/24 - 1:50:56 pm
46
    
 
JAMES R SCAPA DECLARATION OF TRUST
BO
JB
---
6,500
---
8/28/24
---
---
6,500
New
D
10b
8/29/24 - 1:50:56 pm
47
    
 
HARRIS TERESA A
DIR
AS
$51,193
620
---
8/6/24
---
$82.57
21,242
-2.8
D
R,10b
8/6/24 - 2:01:25 pm
48
    
 
HARRIS TERESA A
DIR
JB
---
620
---
8/6/24
---
---
21,862
2.9
D
R,10b
8/6/24 - 2:01:25 pm
49
1y
80
38%
17%
1
SCAPA JAMES RALPH
CEO,DIR,BO
AS
$1,145,415
13,000
---
7/29/24
$87.96
$88.60
---
All
I
R,10b
7/30/24 - 3:34:08 pm
50
    
 
SCAPA JAMES RALPH
CEO,DIR,BO
JB
---
13,000
---
7/29/24
---
---
6,500
---
I
R,10b
7/30/24 - 3:34:08 pm
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