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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:
AMBARELLA INC: AMBA
Price: 3/7/25 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
$53.07 $85.15 $39.69 $2,213 42 803 0.0% 5.3% 83.56% 5.30%
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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
    
 
CHEN YUN LUNG
VP,BD
OE
$232,080
5,963
---
9/3/24
---
$38.92
67,989
9.6
D
---
9/5/24 - 4:31:00 pm
2
    
 
DE GREEF SAFFT ANNE
DIR
JB
---
3,374
---
8/29/24
---
---
10,772
45.6
D
R
8/30/24 - 4:51:53 pm
3
    
 
SCHWARTING ELIZABETH M
DIR
JB
---
3,374
---
8/29/24
---
---
9,308
56.9
D
R
8/30/24 - 4:51:51 pm
4
    
 
HON HSIAO WUEN
DIR
JB
---
3,374
---
8/29/24
---
---
28,655
13.3
D
R
8/30/24 - 4:51:37 pm
5
    
 
RICHARDSON DAVID JEFFREY
DIR
JB
---
3,374
---
8/29/24
---
---
4,179
419.1
D
R
8/30/24 - 4:51:29 pm
6
    
 
PAISLEY CHRISTOPHER B
DIR
JB
---
3,374
---
8/29/24
---
---
42,781
8.6
D
R
8/30/24 - 4:51:21 pm
7
    
 
HU CHENMING
DIR
JB
---
3,374
---
8/29/24
---
---
27,018
14.3
D
R
8/30/24 - 4:51:12 pm
8
1y
101
54%
20%
1
DAY CHRISTOPHER
VP,SO
S
$86,817
1,408
---
7/8/24
---
$61.66
21,599
-6.1
D
---
7/10/24 - 4:32:38 pm
9
    
 
RICHARDSON DAVID JEFFREY
DIR
JS
---
21,633
---
6/26/24
---
---
805
-96.4
D
---
6/28/24 - 7:30:31 pm
10
    
 
RICHARDSON DAVID JEFFREY
DIR
JB
---
21,633
---
6/26/24
---
---
21,633
New
I
---
6/28/24 - 7:30:31 pm
11
    
 
JU CHI HONG
VP
S
$317,422
6,000
---
6/26/24
---
$52.90
173,193
-3.3
D
---
6/27/24 - 5:44:56 pm
12
    
 
JU CHI HONG
VP
OS
$494,217
8,900
---
6/21/24
---
$55.53
179,193
-4.7
D
---
6/24/24 - 8:06:36 pm
13
    
 
JU CHI HONG
VP
OE
$346,388
8,900
---
6/21/24
---
$38.92
188,093
5.0
D
---
6/24/24 - 8:06:36 pm
14
    
 
YOUNG JOHN ALEXANDER
CFO
S
$119,670
2,157
---
6/18/24
---
$55.48
105,414
-2.0
D
R
6/20/24 - 4:30:26 pm
15
1y
101
54%
20%
1
DAY CHRISTOPHER
VP,SO
S
$27,019
487
---
6/18/24
---
$55.48
23,007
-2.1
D
R
6/20/24 - 4:30:10 pm
16
    
 
LEE CHAN W
COO
S
$83,442
1,504
---
6/18/24
---
$55.48
122,642
-1.2
D
R
6/20/24 - 4:29:54 pm
17
1y
79
37%
58%
1
KOHN LESLIE
CTO,DIR
S
$90,044
1,623
---
6/18/24
---
$55.48
963,041
-0.2
D
R
6/20/24 - 4:29:46 pm
18
    
 
JU CHI HONG
VP
S
$58,753
1,059
---
6/18/24
---
$55.48
179,193
-0.6
D
R
6/20/24 - 4:29:39 pm
19
1y
83
29%
66%
1
WANG FENG MING
CEO,DIR
S
$169,658
3,058
---
6/18/24
---
$55.48
803,574
-0.4
D
R
6/20/24 - 4:29:29 pm
20
    
 
SCHWARTING ELIZABETH M
DIR
S
$12,779
230
---
6/17/24
---
$55.56
5,934
-3.7
D
---
6/20/24 - 4:29:17 pm
21
    
 
JU CHI HONG
VP
S
$239,342
4,191
6/7/24
6/10/24
$56.79
$57.50
180,252
-2.3
D
---
6/11/24 - 4:39:36 pm
22
    
 
SCHWARTING ELIZABETH M
DIR
S
$11,873
240
---
3/20/24
---
$49.47
6,164
-3.7
D
---
3/21/24 - 2:28:35 pm
23
    
 
YOUNG JOHN ALEXANDER
CFO
S
$76,171
1,546
---
3/18/24
---
$49.27
107,571
-1.4
D
R
3/20/24 - 4:26:32 pm
24
1y
101
54%
20%
1
DAY CHRISTOPHER
VP,SO
S
$20,496
416
---
3/18/24
---
$49.27
23,494
-1.7
D
R
3/20/24 - 4:26:18 pm
25
    
 
LEE CHAN W
COO
S
$52,965
1,075
---
3/18/24
---
$49.27
124,146
-0.9
D
R
3/20/24 - 4:26:13 pm
26
1y
79
37%
58%
1
KOHN LESLIE
CTO,DIR
S
$59,025
1,198
---
3/18/24
---
$49.27
964,664
-0.1
D
R
3/20/24 - 4:26:02 pm
27
    
 
JU CHI HONG
VP
S
$38,332
778
---
3/18/24
---
$49.27
184,443
-0.4
D
R
3/20/24 - 4:25:55 pm
28
1y
83
29%
66%
1
WANG FENG MING
CEO,DIR
S
$107,064
2,173
---
3/18/24
---
$49.27
806,632
-0.3
D
R
3/20/24 - 4:25:43 pm
29
    
 
YOUNG JOHN ALEXANDER
CFO
S
$40,241
704
---
3/8/24
---
$57.16
108,899
-0.6
D
R
3/11/24 - 4:11:53 pm
30
1y
101
54%
20%
1
DAY CHRISTOPHER
VP,SO
S
$17,262
302
---
3/8/24
---
$57.16
23,692
-1.3
D
R
3/11/24 - 4:11:42 pm
31
    
 
LEE CHAN W
COO
S
$36,697
642
---
3/8/24
---
$57.16
125,003
-0.5
D
R
3/11/24 - 4:11:23 pm
32
1y
79
37%
58%
1
KOHN LESLIE
CTO,DIR
S
$40,469
708
---
3/8/24
---
$57.16
965,862
-0.1
D
R
3/11/24 - 4:11:12 pm
33
    
 
JU CHI HONG
VP
S
$29,094
509
---
3/8/24
---
$57.16
185,003
-0.3
D
R
3/11/24 - 4:10:58 pm
34
1y
83
29%
66%
1
WANG FENG MING
CEO,DIR
S
$74,137
1,297
---
3/8/24
---
$57.16
808,587
-0.2
D
R
3/11/24 - 4:10:47 pm
35
    
 
YOUNG JOHN ALEXANDER
CFO
JB
---
1,176
---
3/7/24
---
---
109,603
1.1
D
R
3/11/24 - 4:11:53 pm
36
    
 
DAY CHRISTOPHER
VP,SO
JB
---
726
---
3/7/24
---
---
23,994
3.1
D
R
3/11/24 - 4:11:42 pm
37
    
 
CHEN YUN LUNG
VP,BD
JB
---
726
---
3/7/24
---
---
62,026
1.2
D
R
3/11/24 - 4:11:25 pm
38
    
 
LEE CHAN W
COO
JB
---
1,545
---
3/7/24
---
---
125,645
1.2
D
R
3/11/24 - 4:11:23 pm
39
    
 
KOHN LESLIE
CTO,DIR
JB
---
1,705
---
3/7/24
---
---
966,570
0.2
D
R
3/11/24 - 4:11:12 pm
40
    
 
JU CHI HONG
VP
JB
---
1,224
---
3/7/24
---
---
185,512
0.7
D
R
3/11/24 - 4:10:58 pm
41
    
 
WANG FENG MING
CEO,DIR
JB
---
3,396
---
3/7/24
---
---
809,884
0.4
D
R
3/11/24 - 4:10:47 pm
42
    
 
YOUNG JOHN ALEXANDER
CFO
JB
---
16,845
---
2/29/24
---
---
108,427
18.4
D
R
3/4/24 - 5:37:13 pm
43
    
 
DAY CHRISTOPHER
VP,SO
JB
---
7,284
---
2/29/24
---
---
23,268
45.6
D
R
3/4/24 - 5:36:42 pm
44
    
 
CHEN YUN LUNG
VP,BD
JB
---
7,740
---
2/29/24
---
---
61,300
14.5
D
R
3/4/24 - 5:36:40 pm
45
    
 
LEE CHAN W
COO
JB
---
22,764
---
2/29/24
---
---
124,100
22.5
D
R
3/4/24 - 5:36:19 pm
46
    
 
KOHN LESLIE
CTO,DIR
JB
---
24,403
---
2/29/24
---
---
964,865
2.6
D
R
3/4/24 - 5:36:12 pm
47
    
 
WANG FENG MING
CEO,DIR
JB
---
45,929
---
2/29/24
---
---
806,488
6.0
D
R
3/4/24 - 5:35:58 pm
48
    
 
JU CHI HONG
VP
JB
---
15,898
---
2/29/24
---
---
184,288
9.4
D
R
3/4/24 - 5:35:58 pm
49
    
 
YOUNG JOHN ALEXANDER
CFO
3
---
---
---
2/1/24
---
---
91,582
---
D
R
2/2/24 - 2:29:47 pm
50
1y
32
50%
20%
9
PAISLEY CHRISTOPHER B
DIR
AS
$31,570
500
---
12/26/23
---
$63.14
39,407
-1.3
D
10b
12/27/23 - 4:51:00 pm
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