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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: 9/25/26 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
$72.68 $96.69 $48.30 $3,208 44 1,877 0.0% 15.6% 86.41% 4.32%
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
    
 
LEE CHAN W
COO
AS
$153,110
2,000
1/15/25
1/16/25
$75.90
$77.21
109,918
-1.8
D
10b
1/17/25 - 4:38:37 pm
2
    
 
RICHARDSON DAVID JEFFREY
DIR
JS
---
1,648
---
1/15/25
---
---
2,531
-39.4
D
---
1/17/25 - 4:38:51 pm
3
    
 
RICHARDSON DAVID JEFFREY
DIR
JB
---
1,648
---
1/15/25
---
---
23,281
7.6
I
---
1/17/25 - 4:38:51 pm
4
    
 
LEE CHAN W
COO
AS
$223,300
3,000
1/10/25
1/14/25
$73.50
$75.68
111,918
-2.6
D
10b
1/14/25 - 4:42:17 pm
5
    
 
LEE CHAN W
COO
AS
$231,360
3,000
1/6/25
1/8/25
---
$73.48
114,918
-2.5
D
10b
1/8/25 - 7:09:37 pm
6
1y
113
53%
19%
1
DAY CHRISTOPHER
VP,SO
S
$97,394
1,247
---
1/3/25
---
$78.10
14,530
-7.9
D
---
1/7/25 - 4:53:58 pm
7
    
 
LEE CHAN W
COO
AS
$148,380
2,000
1/2/25
1/3/25
$73.32
$75.06
117,918
-1.7
D
10b
1/3/25 - 4:42:42 pm
8
1y
36
53%
18%
9
PAISLEY CHRISTOPHER B
DIR
AS
$110,700
1,500
---
12/26/24
---
$73.80
40,781
-3.5
D
10b
12/26/24 - 7:39:52 pm
9
    
 
SCHWARTING ELIZABETH M
DIR
S
$18,103
253
---
12/18/24
---
$71.55
7,902
-3.1
D
---
12/20/24 - 4:32:08 pm
10
1y
113
53%
19%
1
DAY CHRISTOPHER
VP,SO
S
$70,047
929
---
12/18/24
---
$75.40
15,777
-5.6
D
---
12/20/24 - 4:31:58 pm
11
    
 
YOUNG JOHN ALEXANDER
CFO
S
$161,076
2,136
---
12/16/24
---
$75.41
101,393
-2.1
D
R
12/18/24 - 5:10:54 pm
12
1y
113
53%
19%
1
DAY CHRISTOPHER
VP,SO
S
$36,348
482
---
12/16/24
---
$75.41
16,706
-2.8
D
R
12/18/24 - 5:10:46 pm
13
    
 
LEE CHAN W
COO
S
$112,210
1,488
---
12/16/24
---
$75.41
119,918
-1.2
D
R
12/18/24 - 5:10:37 pm
14
1y
87
38%
53%
1
KOHN LESLIE
CTO,DIR
S
$132,495
1,757
---
12/16/24
---
$75.41
959,676
-0.2
D
R
12/18/24 - 5:10:29 pm
15
    
 
JU CHI HONG
VP
S
$79,030
1,048
---
12/16/24
---
$75.41
157,638
-0.7
D
R
12/18/24 - 5:10:20 pm
16
1y
92
30%
61%
1
WANG FENG MING
CEO,DIR
S
$323,961
4,296
---
12/16/24
---
$75.41
755,231
-0.6
D
R
12/18/24 - 5:10:08 pm
17
    
 
HON HSIAO WUEN
DIR
S
$27,954
377
---
12/13/24
---
$74.15
28,278
-1.3
D
---
12/16/24 - 4:45:40 pm
18
    
 
JU CHI HONG
VP
S
$387,475
5,118
---
12/9/24
$75.69
$75.72
158,686
-3.1
D
---
12/10/24 - 5:21:06 pm
19
    
 
JU CHI HONG
VP
JS
---
593
---
12/9/24
---
---
163,804
-0.4
D
---
12/10/24 - 5:21:06 pm
20
    
 
JU CHI HONG
VP
JS
---
5,000
---
12/4/24
---
---
164,397
-3.0
D
---
12/6/24 - 6:09:05 pm
21
    
 
JU CHI HONG
VP
JB
---
5,000
---
12/4/24
---
---
8,000
166.7
I
---
12/6/24 - 6:09:05 pm
22
1y
113
53%
19%
1
DAY CHRISTOPHER
VP,SO
S
$91,511
1,278
---
12/2/24
---
$71.61
17,188
-6.9
D
---
12/3/24 - 6:15:16 pm
23
    
 
WANG FENG MING
CEO,DIR
JS
---
40,000
---
10/7/24
---
---
759,527
-5.0
D
---
10/9/24 - 4:48:57 pm
24
1y
113
53%
19%
1
DAY CHRISTOPHER
VP,SO
S
$168,432
2,904
---
10/3/24
---
$58.00
18,466
-13.6
D
---
10/4/24 - 5:12:35 pm
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