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| Exchange: |
N/A |
| Security
Type: |
N/A |
| Shares
Out: |
42,440,000 |
| Market
Cap: |
3.59(B) |
| Last
Volume: |
0 |
Avg
Vol: |
0 |
| 52
Week Range: |
$40.3 - $88.81 |
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| Level
I Sector: |
Information Technology |
| Level
II Sector: |
Electronics |
| Level
III Sector: |
Semiconductor Equipment & Materials |
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Member Indexes:
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Rankings:
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|
| Insider 3 Months : - |
| Insider 6 Months : - |
| Insider 3/6 Months : - |
|
| Guru Rank Number : - |
| Guru Rank Value : - |
| Guru Occurances : - |
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Company Profile Ambarella is a developer of low-power system-on-a-chip semiconductors providing artificial intelligence processing, image signal processing and video compression. Co. primarily serves human-viewing applications with video and image processors for enterprise, public infrastructure and home applications, such as internet protocol, security cameras, sports cameras, wearables, aerial drones, and aftermarket automotive video recorders. Co.'s products are used in human viewing and computer vision applications, including a variety of automotive camera systems, video security cameras, mobile and fixed robots and industrial applications, and consumer devices, such as action, drone and 360deg cameras.
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D/I:
|
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|
D
is for direct shares.
I is
for indirect shares.
D/I
refers to the Direct or Indirect
shares traded vs. held. |
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Forms:
|
|
|
A
Form 4 is a form filed
by an insider to indicate a change
in ownership.
A Form
3 is a form filed by
an insider to indicate an
initial ownership of a security. |
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3m +/-:
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|
This
represents the company's 3 month
price change. The initial price
is based on the closing price
of the stock on the day the transaction
took place. Purchases & sales
are viewed as long & short
positions respectively.
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Actions:
|
|
|
| B |
Buy |
| S |
Sell |
| OE |
Option
Exercised |
| A |
Acquired |
| D |
Disposed |
| AB |
Automatic
Buy |
| AS |
Automatic
Sell |
| IO |
Initial
Ownership |
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|
Download:
|
|
|
Download only Transactions
Forms. (Default)
Download
only Summary Infomation.
Download
both Transactions and Summary Data
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| |
| |
Summary (Direct Transactions Only)  |
3 Months |
6 Months |
12 Months |
24 Months |
| Total Shares Bought |
0 |
0 |
0 |
0 |
| Total Buy Value |
$0 |
$0 |
$0 |
$0 |
| Total People Bought |
0 |
0 |
0 |
0 |
| Total Buy Transactions |
0 |
0 |
0 |
0 |
| Total Shares Sold |
35,227 |
48,105 |
103,383 |
223,656 |
| Total Sell Value |
$2,875,133 |
$3,558,457 |
$7,242,712 |
$13,970,790 |
| Total People Sold |
7 |
9 |
9 |
11 |
| Total Sell Transactions |
9 |
16 |
50 |
97 |
| End Date |
2025-07-20 |
2025-04-18 |
2024-10-18 |
2023-10-19 |
|
| Filer's Name |
Relation Title |
Off-Dir-10% |
Tran. Date |
Form |
Action |
Price |
Mkt Value |
D/I |
Shares |
Holdings |
Rank
|
|
|
| 3m +/- |
|
|
Form |
  Ju Chi-Hong |
Senior VP, Systems & GM, Asia |
• – – |
2025-10-14 |
4 |
S |
$80.96 |
$498,390 |
D/D |
(6,156) |
158,874 |
|
-2% |
|
| Ju Chi-Hong |
Senior VP, Systems & GM, Asia |
• – – |
2025-10-13 |
4 |
S |
$81.29 |
$411,093 |
D/D |
(5,057) |
165,030 |
|
-2% |
|
| Schwarting Elizabeth M |
Director |
– • – |
2025-10-06 |
4 |
S |
$85.38 |
$227,445 |
D/D |
(2,664) |
7,314 |
|
3% |
|
| Lee Chan W |
Chief Operating Officer |
• – – |
2025-09-17 |
4 |
S |
$79.43 |
$154,650 |
D/D |
(1,947) |
126,972 |
|
-4% |
|
| Young John Alexander |
CFO |
• – – |
2025-09-17 |
4 |
S |
$79.43 |
$203,817 |
D/D |
(2,566) |
109,108 |
|
-4% |
|
| Kohn Leslie |
Chief Technology Officer |
• • – |
2025-09-17 |
4 |
S |
$79.43 |
$178,638 |
D/D |
(2,249) |
977,428 |
|
-4% |
|
| Ju Chi-Hong |
Sr. Vice President, Systems |
• – – |
2025-09-17 |
4 |
S |
$79.43 |
$92,774 |
D/D |
(1,168) |
170,087 |
|
-4% |
|
| Wang Feng-Ming |
CEO |
• • – |
2025-09-17 |
4 |
S |
$79.43 |
$391,431 |
D/D |
(4,928) |
788,929 |
|
-4% |
|
| Chen Yen-Lung |
VP, Business Development |
• – – |
2025-09-10 |
4 |
S |
$84.42 |
$716,895 |
D/D |
(8,492) |
61,651 |
|
1% |
|
| Hon Hsiao-Wuen |
Director |
– • – |
2025-09-02 |
4 |
A |
$0.00 |
$0 |
D/D |
2,498 |
30,776 |
|
- |
|
| Paisley Christopher B |
Director |
– • – |
2025-09-02 |
4 |
A |
$0.00 |
$0 |
D/D |
2,498 |
41,779 |
|
- |
|
| Schwarting Elizabeth M |
Director |
– • – |
2025-09-02 |
4 |
A |
$0.00 |
$0 |
D/D |
2,498 |
9,978 |
|
- |
|
| Breithaupt Chantelle Yvette |
Director |
– • – |
2025-09-02 |
4 |
A |
$0.00 |
$0 |
D/D |
2,498 |
4,940 |
|
- |
|
| Hu Chenming |
Director |
– • – |
2025-09-02 |
4 |
A |
$0.00 |
$0 |
D/D |
2,498 |
29,516 |
|
- |
|
| Richardson David Jeffrey |
Director |
– • – |
2025-09-02 |
4 |
A |
$0.00 |
$0 |
D/D |
2,498 |
5,029 |
|
- |
|
| Paisley Christopher B |
Director |
– • – |
2025-06-25 |
4 |
AS |
$62.58 |
$62,580 |
D/D |
(1,000) |
39,281 |
|
27% |
|
| Day Christopher |
VP, Marketing |
• – – |
2025-06-17 |
4 |
S |
$52.26 |
$17,873 |
D/D |
(342) |
15,099 |
|
-58% |
|
| Ju Chi-Hong |
Sr. Vice President, Systems |
• – – |
2025-06-17 |
4 |
S |
$52.26 |
$57,904 |
D/D |
(1,108) |
171,032 |
|
-58% |
|
| Young John Alexander |
CFO |
• – – |
2025-06-17 |
4 |
S |
$52.26 |
$127,253 |
D/D |
(2,435) |
111,451 |
|
-58% |
|
| Kohn Leslie |
Chief Technology Officer |
• • – |
2025-06-17 |
4 |
S |
$52.26 |
$89,626 |
D/D |
(1,715) |
979,677 |
|
-58% |
|
| Lee Chan W |
Chief Operating Officer |
• – – |
2025-06-17 |
4 |
S |
$52.26 |
$83,668 |
D/D |
(1,601) |
128,696 |
|
-58% |
|
| Wang Feng-Ming |
CEO |
• • – |
2025-06-17 |
4 |
S |
$52.26 |
$244,420 |
D/D |
(4,677) |
793,634 |
|
-58% |
|
| Day Christopher |
VP, Marketing |
• – – |
2025-03-18 |
4 |
S |
$55.02 |
$26,355 |
D/D |
(479) |
15,441 |
|
-30% |
|
| Young John Alexander |
CFO |
• – – |
2025-03-18 |
4 |
S |
$55.02 |
$115,707 |
D/D |
(2,103) |
113,886 |
|
-30% |
|
| Wang Feng-Ming |
CEO |
• • – |
2025-03-18 |
4 |
S |
$55.02 |
$175,734 |
D/D |
(3,194) |
798,311 |
|
-30% |
|
864 Records found
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Page 1 of 35 |
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1.80 (2.18%) 
