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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:
AMBARELLA INC: AMBA
Price: 3/20/26 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
$54.02 $96.69 $38.86 $2,326 43 947 0.0% 5.5% 89.46% 4.90%
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
112
54%
19%
1
DAY CHRISTOPHER
VP,SO
JS*
$25,860
483
---
9/17/24
---
$53.54
21,370
-2.2
D
R
9/19/24 - 5:00:34 pm
2
    
 
LEE CHAN W
COO
JS*
$79,775
1,490
---
9/17/24
---
$53.54
121,406
-1.2
D
R
9/19/24 - 5:00:25 pm
3
1y
85
38%
54%
1
KOHN LESLIE
CTO,DIR
JS*
$86,092
1,608
---
9/17/24
---
$53.54
961,433
-0.2
D
R
9/19/24 - 5:00:16 pm
4
    
 
JU CHI HONG
VP
JS*
$56,217
1,050
---
9/17/24
---
$53.54
172,397
-0.6
D
R
9/19/24 - 5:00:07 pm
5
1y
90
30%
62%
1
WANG FENG MING
CEO,DIR
JS*
$230,276
4,301
---
9/17/24
---
$53.54
799,527
-0.5
D
R
9/19/24 - 4:59:59 pm
6
    
 
SCHWARTING ELIZABETH M
DIR
S
$12,757
240
---
9/16/24
---
$53.16
9,068
-2.6
D
---
9/18/24 - 5:00:15 pm
7
1y
90
30%
62%
1
WANG FENG MING
CEO,DIR
OS
$1,975,243
36,000
9/4/24
9/5/24
---
$54.71
803,574
-4.3
D
---
9/6/24 - 4:39:43 pm
8
    
 
WANG FENG MING
CEO,DIR
OE
$1,401,120
36,000
9/4/24
9/5/24
---
$38.92
835,192
4.5
D
---
9/6/24 - 4:39:43 pm
9
1y
20
75%
-8%
1
CHEN YUN LUNG
VP,BD
OS
$343,220
5,963
---
9/3/24
---
$57.56
62,026
-8.8
D
---
9/5/24 - 4:31:00 pm
10
    
 
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
11
    
 
DE GREEF SAFFT ANNE
DIR
JB
---
3,374
---
8/29/24
---
---
10,772
45.6
D
R
8/30/24 - 4:51:53 pm
12
    
 
SCHWARTING ELIZABETH M
DIR
JB
---
3,374
---
8/29/24
---
---
9,308
56.9
D
R
8/30/24 - 4:51:51 pm
13
    
 
HON HSIAO WUEN
DIR
JB
---
3,374
---
8/29/24
---
---
28,655
13.3
D
R
8/30/24 - 4:51:37 pm
14
    
 
RICHARDSON DAVID JEFFREY
DIR
JB
---
3,374
---
8/29/24
---
---
4,179
419.1
D
R
8/30/24 - 4:51:29 pm
15
    
 
PAISLEY CHRISTOPHER B
DIR
JB
---
3,374
---
8/29/24
---
---
42,781
8.6
D
R
8/30/24 - 4:51:21 pm
16
    
 
HU CHENMING
DIR
JB
---
3,374
---
8/29/24
---
---
27,018
14.3
D
R
8/30/24 - 4:51:12 pm
17
1y
112
54%
19%
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
18
    
 
RICHARDSON DAVID JEFFREY
DIR
JS
---
21,633
---
6/26/24
---
---
805
-96.4
D
---
6/28/24 - 7:30:31 pm
19
    
 
RICHARDSON DAVID JEFFREY
DIR
JB
---
21,633
---
6/26/24
---
---
21,633
New
I
---
6/28/24 - 7:30:31 pm
20
    
 
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
21
    
 
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
22
    
 
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
23
    
 
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
24
1y
112
54%
19%
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
25
    
 
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
26
1y
85
38%
54%
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
27
    
 
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
28
1y
90
30%
62%
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
29
    
 
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
30
    
 
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
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