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Transaction Types Key To InsiderInsights' Infobase
 B  AB  JB*  OB  OE*  OE
 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
ALLEGRO MICROSYSTEMS INC: ALGM
Price: 12/13/24 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
$22.00 $33.26 $18.59 $4,048 184 2,207 0.0% 15.3% 78.15% 33.30%
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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
    
 
DOOGUE MICHAEL
VP,CTO
JS
$44,618
2,319
---
11/18/24
---
$19.24
62,404
-3.6
D
R
11/19/24 - 4:16:05 pm
2
    
 
DOOGUE MICHAEL
VP,CTO
B
$285,000
15,000
---
11/18/24
---
$19.00
246,086
6.5
I
R
11/19/24 - 4:16:05 pm
3
    
 
GLOVER MAX R
VP,SO
JS
$50,871
2,644
---
11/18/24
---
$19.24
266,339
-1.0
D
R
11/19/24 - 4:16:03 pm
4
    
 
NARGOLWALA VINEET A
PR,CEO,DIR
B
$99,446
5,000
---
11/5/24
---
$19.87
356,113
1.4
D
---
11/6/24 - 4:16:05 pm
5
    
 
NARAYAN SUMAN
VP
JS
$17,514
714
---
8/30/24
---
$24.53
123,084
-0.6
D
R
9/3/24 - 4:15:03 pm
6
    
 
ALDRICH DAVID J
DIR
JB
$185,021
6,873
---
8/8/24
---
$26.92
26,746
34.6
D
R
8/9/24 - 4:16:09 pm
7
    
 
MARTIN JOSEPH R
DIR
JB
$185,021
6,873
---
8/8/24
---
$26.92
29,247
30.7
D
R
8/9/24 - 4:16:08 pm
8
    
 
SUZUKI YOSHIHIRO
DIR
JB
$185,021
6,873
---
8/8/24
---
$26.92
207,628
3.4
D
R
8/9/24 - 4:16:06 pm
9
    
 
SCHORR PAUL IV
DIR
JB
$185,021
6,873
---
8/8/24
---
$26.92
10,199
206.6
D
R
8/9/24 - 4:16:05 pm
10
    
 
LYNCH SUSAN D
DIR
JB
$185,021
6,873
---
8/8/24
---
$26.92
23,584
41.1
D
R
8/9/24 - 4:16:04 pm
11
    
 
RAUBACHER JENNIE
DIR
JB
$185,021
6,873
---
8/8/24
---
$26.92
9,044
316.6
D
R
8/9/24 - 4:16:04 pm
12
    
 
PUMA MARY G
DIR
JB
$185,021
6,873
---
8/8/24
---
$26.92
11,551
146.9
D
R
8/9/24 - 4:16:03 pm
13
    
 
LURY RICHARD R
DIR
JB
$185,021
6,873
---
8/8/24
---
$26.92
29,874
29.9
D
R
8/9/24 - 4:16:03 pm
14
    
 
SANKEN ELECTRIC CO LTD
BO
JS*
$232,001,008
10,017,315
---
8/7/24
---
$23.16
59,732,784
-14.4
D
---
8/9/24 - 6:15:03 am
15
    
 
NARGOLWALA VINEET A
PR,CEO,DIR
JS
$185,650
7,681
---
8/1/24
---
$24.17
351,113
-2.1
D
R
8/2/24 - 4:15:03 pm
16
    
 
SANKEN ELECTRIC CO LTD
BO
JS*
$665,849,984
28,750,000
---
7/29/24
---
$23.16
69,750,096
-29.2
D
---
7/31/24 - 6:05:06 am
17
    
 
NARGOLWALA VINEET A
PR,CEO,DIR
JS
$1,050,242
36,066
---
6/13/24
---
$29.12
358,794
-9.1
D
R
6/14/24 - 4:18:03 pm
18
    
 
NARGOLWALA VINEET A
PR,CEO,DIR
JB
---
82,788
---
6/11/24
---
---
394,860
26.5
D
R
6/13/24 - 4:18:14 pm
19
    
 
GLOVER MAX R
VP,SO
JB
---
20,697
---
6/11/24
---
---
268,983
8.3
D
R
6/13/24 - 4:18:12 pm
20
    
 
D ANTILIO DEREK
VP,CFO,TR
JB
---
34,495
---
6/11/24
---
---
167,426
25.9
D
R
6/13/24 - 4:18:11 pm
21
    
 
DOOGUE MICHAEL
VP,CTO
JB
---
24,837
---
6/11/24
---
---
64,723
62.3
D
R
6/13/24 - 4:18:09 pm
22
    
 
BRIANSKY SHARON
VP,GC,SEC
JB
---
17,248
---
6/11/24
---
---
99,305
21.0
D
R
6/13/24 - 4:18:08 pm
23
    
 
NARAYAN SUMAN
VP
JB
---
17,248
---
6/11/24
---
---
123,798
16.2
D
R
6/13/24 - 4:18:06 pm
24
    
 
HAGEN ERIN
VP
JB
---
9,659
---
6/11/24
---
---
20,661
87.8
D
R
6/13/24 - 4:18:05 pm
25
    
 
WEBSTER ROALD GRAHAM
VP,CAO
JB
---
5,520
---
6/11/24
---
---
19,747
38.8
D
R
6/13/24 - 4:18:03 pm
26
    
 
NARAYAN SUMAN
VP
JS
$45,954
1,570
---
6/3/24
---
$29.27
106,550
-1.5
D
R
6/4/24 - 4:15:08 pm
27
    
 
BRIANSKY SHARON
VP,GC,SEC
JS
$56,462
1,929
---
6/3/24
---
$29.27
82,057
-2.3
D
R
6/4/24 - 4:15:03 pm
28
    
 
LURY RICHARD R
DIR
S
$255,000
8,500
---
5/30/24
---
$30.00
23,001
-27.0
D
---
5/31/24 - 4:18:31 pm
29
    
 
DOOGUE MICHAEL
VP,CTO
JS
---
29,384
---
5/22/24
---
---
39,886
-42.4
D
---
5/23/24 - 4:30:37 pm
30
    
 
DOOGUE MICHAEL
VP,CTO
JB
---
29,384
---
5/22/24
---
---
231,086
14.6
I
---
5/23/24 - 4:30:37 pm
31
    
 
DOOGUE MICHAEL
VP,CTO
JS
$568,523
19,110
---
5/16/24
---
$29.75
69,270
-21.6
D
R
5/17/24 - 6:06:37 pm
32
    
 
BRIANSKY SHARON
VP,GC,SEC
JS
$231,247
7,773
---
5/16/24
---
$29.75
83,986
-8.5
D
R
5/17/24 - 6:05:55 pm
33
    
 
WEBSTER ROALD GRAHAM
VP,CAO
JS
$92,612
3,113
---
5/16/24
---
$29.75
14,227
-18.0
D
R
5/17/24 - 5:58:50 pm
34
    
 
NARAYAN SUMAN
VP
JS
$321,776
10,816
---
5/16/24
---
$29.75
108,120
-9.1
D
R
5/17/24 - 5:58:00 pm
35
    
 
NARGOLWALA VINEET A
PR,CEO,DIR
JS
$718,760
24,160
---
5/16/24
---
$29.75
312,072
-7.2
D
R
5/17/24 - 5:57:15 pm
36
    
 
D ANTILIO DEREK
VP,CFO,TR
JS
$371,697
12,494
---
5/16/24
---
$29.75
132,931
-8.6
D
R
5/17/24 - 5:56:32 pm
37
    
 
GLOVER MAX R
VP,SO
JS
$789,565
26,540
---
5/16/24
---
$29.75
248,286
-9.7
D
R
5/17/24 - 5:55:51 pm
38
    
 
DOOGUE MICHAEL
VP,CTO
JB
---
24,626
---
5/15/24
---
---
88,380
38.6
D
R
5/17/24 - 6:06:37 pm
39
    
 
BRIANSKY SHARON
VP,GC,SEC
JB
---
8,034
---
5/15/24
---
---
91,759
9.6
D
R
5/17/24 - 6:05:55 pm
40
    
 
WEBSTER ROALD GRAHAM
VP,CAO
JB
---
5,804
---
5/15/24
---
---
17,340
50.3
D
R
5/17/24 - 5:58:50 pm
41
    
 
NARAYAN SUMAN
VP
JB
---
11,502
---
5/15/24
---
---
118,936
10.7
D
R
5/17/24 - 5:58:00 pm
42
    
 
NARGOLWALA VINEET A
PR,CEO,DIR
JB
---
34,071
---
5/15/24
---
---
336,232
11.3
D
R
5/17/24 - 5:57:15 pm
43
    
 
D ANTILIO DEREK
VP,CFO,TR
JB
---
13,251
---
5/15/24
---
---
145,425
10.0
D
R
5/17/24 - 5:56:32 pm
44
    
 
GLOVER MAX R
VP,SO
JB
---
30,201
---
5/15/24
---
---
274,826
12.3
D
R
5/17/24 - 5:55:51 pm
45
    
 
NARAYAN SUMAN
VP
JB
---
36,671
---
5/13/24
---
---
107,434
51.8
D
R
5/15/24 - 4:30:21 pm
46
    
 
HAGEN ERIN
VP
JB
---
11,002
---
5/13/24
---
---
11,002
New
D
R
5/15/24 - 4:24:15 pm
47
    
 
HAGEN ERIN
VP
3
---
---
---
5/6/24
---
---
---
---
---
---
5/15/24 - 4:18:38 pm
48
    
 
RAUBACHER JENNIE
DIR
JB
---
2,171
---
4/3/24
---
---
2,171
New
D
R
4/3/24 - 4:52:04 pm
49
    
 
RAUBACHER JENNIE
DIR
3
---
---
---
4/3/24
---
---
---
---
---
---
4/3/24 - 4:42:41 pm
50
    
 
GLOVER MAX R
VP,SO
AS
$476,486
15,000
---
3/8/24
---
$31.77
244,625
-5.8
D
10b
3/11/24 - 4:16:07 pm
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