Stock chart
Ticker: AMBA Exchange: NSM


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Purchase Sale Planned purchase Planned sale Net purchase Net sale
Past 90 days
 
Value bought
 
Value sold
 
Net insiders buying
 
Trades (buy and sell)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Total value Details
2024-03-21 2024-03-20 S Sale

Schwarting Elizabeth M

Non-Executive Director
240 -3.7%
49.47
11,873 USD
240 -3.7% 49.47 11,873 USD
2024-03-20 2024-03-18 PS Planned sale

Day Christopher

VP, Marketing

Officer
416 -1.7%
49.27
20,496 USD
416 -1.7% 49.27 20,496 USD
2024-03-20 2024-03-18 PS Planned sale

Ju Chi-Hong

Sr. Vice President, Systems

Officer
778 -0.4%
49.27
38,332 USD
778 -0.4% 49.27 38,332 USD
2024-03-20 2024-03-18 PS Planned sale

Wang Feng-Ming

CEO

Executive Director
2,173 -0.3%
49.27
107,064 USD
2,173 -0.3% 49.27 107,064 USD
2024-03-20 2024-03-18 PS Planned sale

Young John Alexander

CFO

Officer
1,546 -1.4%
49.27
76,171 USD
1,546 -1.4% 49.27 76,171 USD
2024-03-20 2024-03-18 PS Planned sale

Lee Chan W

Chief Operating Officer

Officer
1,075 -0.9%
49.27
52,965 USD
1,075 -0.9% 49.27 52,965 USD
2024-03-20 2024-03-18 S Sale

Kohn Leslie

Chief Technology Officer

Executive Director
1,198 -0.1%
49.27
59,025 USD
1,198 -0.1% 49.27 59,025 USD
2024-03-11 2024-03-08 S Sale

Wang Feng-Ming

CEO

Executive Director
1,297 -0.2%
57.16
74,137 USD
1,297 -0.2% 57.16 74,137 USD
2024-03-11 2024-03-08 S Sale

Kohn Leslie

Chief Technology Officer

Executive Director
708 -0.1%
57.16
40,469 USD
708 -0.1% 57.16 40,469 USD
2024-03-11 2024-03-08 S Sale

Young John Alexander

CFO

Officer
704 -0.6%
57.16
40,241 USD
704 -0.6% 57.16 40,241 USD
2024-03-11 2024-03-08 S Sale

Day Christopher

VP, Marketing

Officer
302 -1.3%
57.16
17,262 USD
302 -1.3% 57.16 17,262 USD
2024-03-11 2024-03-08 S Sale

Lee Chan W

Chief Operating Officer

Officer
642 -0.5%
57.16
36,697 USD
642 -0.5% 57.16 36,697 USD
2024-03-11 2024-03-08 S Sale

Ju Chi-Hong

Sr. Vice President, Systems

Officer
509 -0.3%
57.16
29,094 USD
509 -0.3% 57.16 29,094 USD
2023-12-27 2023-12-26 PS Planned sale

PAISLEY CHRISTOPHER B

Non-Executive Director
500 -1.3%
63.14
31,570 USD
500 -1.3% 63.14 31,570 USD
2023-12-21 2023-12-19 S Sale

Lee Chan W

Chief Operating Officer

Officer
1,520 -1.5%
63.04
95,821 USD
1,520 -1.5% 63.04 95,821 USD
2023-12-21 2023-12-19 S Sale

Kohn Leslie

Chief Technology Officer

Executive Director
1,713 -0.2%
63.04
107,988 USD
1,713 -0.2% 63.04 107,988 USD
2023-12-21 2023-12-19 S Sale

Day Christopher

VP, Marketing

Officer
360 -2.2%
63.04
22,694 USD
360 -2.2% 63.04 22,694 USD
2023-12-21 2023-12-19 S Sale

Wang Feng-Ming

CEO

Executive Director
3,093 -0.4%
63.04
194,983 USD
3,093 -0.4% 63.04 194,983 USD
2023-12-21 2023-12-19 S Sale

WHITE BRIAN C

CFO

Officer
3,357 -4.3%
63.04
211,625 USD
3,357 -4.3% 63.04 211,625 USD
2023-12-21 2023-12-19 S Sale

Ju Chi-Hong

Sr. Vice President, Systems

Officer
1,074 -0.6%
63.04
67,705 USD
1,074 -0.6% 63.04 67,705 USD
2023-12-21 2023-12-18 S Sale

Schwarting Elizabeth M

Non-Executive Director
804 -11.2%
62.46
50,218 USD
804 -11.2% 62.46 50,218 USD
2023-12-08 2023-12-06 S Sale

RICHARDSON DAVID JEFFREY

Non-Executive Director
8,056 -26.4%
58.75
473,259 USD
8,056 -26.4% 58.75 473,259 USD
2023-09-20 2023-09-18 PS Planned sale

Wang Feng-Ming

CEO

Executive Director
3,019 -0.4%
57.30
172,989 USD
3,019 -0.4% 57.30 172,989 USD
2023-09-20 2023-09-18 S Sale

WHITE BRIAN C

CFO

Officer
3,274 -4.1%
57.30
187,600 USD
3,274 -4.1% 57.30 187,600 USD
2023-09-20 2023-09-18 PS Planned sale

Day Christopher

VP, Marketing

Officer
351 -2.1%
57.30
20,112 USD
351 -2.1% 57.30 20,112 USD
2023-09-20 2023-09-18 PS Planned sale

Ju Chi-Hong

Sr. Vice President, Systems

Officer
1,048 -0.6%
57.30
60,050 USD
1,048 -0.6% 57.30 60,050 USD
2023-09-20 2023-09-18 S Sale

Kohn Leslie

Chief Technology Officer

Executive Director
1,671 -0.2%
57.30
95,748 USD
1,671 -0.2% 57.30 95,748 USD
2023-09-20 2023-09-18 PS Planned sale

Lee Chan W

Chief Operating Officer

Officer
1,484 -1.4%
57.30
85,033 USD
1,484 -1.4% 57.30 85,033 USD
2023-09-15 2023-09-14 S Sale

Schwarting Elizabeth M

Non-Executive Director
777 -9.7%
58.57
45,509 USD
777 -9.7% 58.57 45,509 USD
2023-07-14 2023-07-12 S Sale

Day Christopher

VP, Marketing

Officer
2,285 -12.1%
82.50
188,523 USD
2,285 -12.1% 82.50 188,523 USD
2023-07-10 2023-07-07 S Sale

Ju Chi-Hong

Sr. Vice President, Systems

Officer
4,251 -2.4%
81.81
347,793 USD
4,251 -2.4% 81.81 347,793 USD
2023-06-20 2023-06-20 S Sale

Kohn Leslie

Chief Technology Officer

Executive Director
1,682 -0.2%
84.80
142,634 USD
1,682 -0.2% 84.80 142,634 USD
2023-06-20 2023-06-20 S Sale

Lee Chan W

Chief Operating Officer

Officer
1,492 -1.4%
84.80
126,522 USD
1,492 -1.4% 84.80 126,522 USD
2023-06-20 2023-06-20 S Sale

WHITE BRIAN C

CFO

Officer
3,297 -3.9%
84.80
279,586 USD
3,297 -3.9% 84.80 279,586 USD
2023-06-20 2023-06-20 S Sale

Wang Feng-Ming

CEO

Executive Director
3,039 -0.4%
84.80
257,707 USD
3,039 -0.4% 84.80 257,707 USD
2023-06-20 2023-06-20 S Sale

Ju Chi-Hong

Sr. Vice President, Systems

Officer
1,015 -0.6%
84.80
86,072 USD
1,015 -0.6% 84.80 86,072 USD
2023-06-20 2023-06-20 S Sale

Day Christopher

VP, Marketing

Officer
354 -1.8%
84.80
30,019 USD
354 -1.8% 84.80 30,019 USD
2023-06-20 2023-06-16 PS Planned sale

Schwarting Elizabeth M

Non-Executive Director
1,324 -21.7%
85.76
113,544 USD
1,324 -21.7% 85.76 113,544 USD
2023-06-14 2023-06-13 S Sale

Day Christopher

VP, Marketing

Officer
3,000 -21.7%
86.94
260,824 USD
3,000 -21.7% 86.94 260,824 USD
2023-06-12 2023-06-09 S Sale

Day Christopher

VP, Marketing

Officer
4,286 -23.7%
82.97
355,617 USD
4,286 -23.7% 82.97 355,617 USD
2023-06-09 2023-06-08 S Sale

Ju Chi-Hong

Sr. Vice President, Systems

Officer
4,165 -2.6%
82.62
344,109 USD
4,165 -2.6% 82.62 344,109 USD
2023-06-06 2023-06-05 S Sale

Chen Yun-Lung

VP, Business Development

Officer
8,984 -16.7%
76.80
689,971 USD
8,984 -16.7% 76.80 689,971 USD
2023-04-14 2023-04-13 S Sale

Day Christopher

VP, Marketing

Officer
3,675 -16.9%
69.24
254,457 USD
3,675 -16.9% 69.24 254,457 USD
2023-03-17 2023-03-17 S Sale

Kohn Leslie

Chief Technology Officer

Executive Director
11,881 -1.3%
76.85
913,055 USD
11,881 -1.3% 76.85 913,055 USD
2023-03-17 2023-03-17 S Sale

Wang Feng-Ming

CEO

Executive Director
16,644 -2.3%
76.85
1,279,091 USD
16,644 -2.3% 76.85 1,279,091 USD
2023-03-17 2023-03-17 S Sale

WHITE BRIAN C

CFO

Officer
10,554 -50.4%
76.85
811,075 USD
10,554 -50.4% 76.85 811,075 USD
2023-03-17 2023-03-17 S Sale

Day Christopher

VP, Marketing

Officer
2,420 -10.0%
76.85
185,977 USD
2,420 -10.0% 76.85 185,977 USD
2023-03-17 2023-03-17 S Sale

Lee Chan W

Chief Operating Officer

Officer
9,430 -10.5%
76.85
724,696 USD
9,430 -10.5% 76.85 724,696 USD
2023-03-17 2023-03-17 S Sale

Ju Chi-Hong

Sr. Vice President, Systems

Officer
4,402 -2.6%
76.85
338,294 USD
4,402 -2.6% 76.85 338,294 USD
2023-03-17 2023-03-16 PS Planned sale

Schwarting Elizabeth M

Non-Executive Director
234 -4.9%
75.77
17,730 USD
234 -4.9% 75.77 17,730 USD
2023-03-10 2023-03-09 S Sale

Day Christopher

VP, Marketing

Officer
358 -2.1%
82.25
29,446 USD
358 -2.1% 82.25 29,446 USD
2023-03-10 2023-03-09 S Sale

WHITE BRIAN C

CFO

Officer
1,224 -56.5%
82.25
100,674 USD
1,224 -56.5% 82.25 100,674 USD
2022-12-22 2022-12-22 S Sale

Ju Chi-Hong

Sr. Vice President, Systems

Officer
2,000 -1.3%
81.16
162,320 USD
2,000 -1.3% 81.16 162,320 USD
2022-12-20 2022-12-20 S Sale

Day Christopher

VP, Marketing

Officer
238 -1.4%
81.82
19,473 USD
238 -1.4% 81.82 19,473 USD
2022-12-20 2022-12-20 S Sale

Day Christopher

VP, Marketing

Officer
2,214 -11.6%
81.57
180,596 USD
2,214 -11.6% 81.57 180,596 USD
2022-12-20 2022-12-19 S Sale

Schwarting Elizabeth M

Non-Executive Director
234 -5.5%
81.42
19,052 USD
234 -5.5% 81.42 19,052 USD
2022-12-20 2022-12-19 S Sale

Ju Chi-Hong

Sr. Vice President, Systems

Officer
764 -0.5%
80.46
61,472 USD
764 -0.5% 80.46 61,472 USD
2022-12-20 2022-12-16 S Sale

Wang Feng-Ming

CEO

Executive Director
3,703 -0.5%
83.77
310,200 USD
3,703 -0.5% 83.77 310,200 USD
2022-12-20 2022-12-16 S Sale

Kohn Leslie

Chief Technology Officer

Executive Director
2,455 -0.3%
83.77
205,655 USD
2,455 -0.3% 83.77 205,655 USD
2022-12-20 2022-12-16 S Sale

Day Christopher

VP, Marketing

Officer
663 -3.4%
83.77
55,540 USD
663 -3.4% 83.77 55,540 USD
2022-12-20 2022-12-16 S Sale

Lee Chan W

Chief Operating Officer

Officer
2,055 -3.0%
83.77
172,147 USD
2,055 -3.0% 83.77 172,147 USD
2022-12-20 2022-12-16 S Sale

Ju Chi-Hong

Sr. Vice President, Systems

Officer
1,262 -0.8%
83.77
105,718 USD
1,262 -0.8% 83.77 105,718 USD
2022-12-15 2022-12-14 S Sale

Day Christopher

VP, Marketing

Officer
2,000 -9.8%
90.82
181,640 USD
2,000 -9.8% 90.82 181,640 USD
2022-12-15 2022-12-14 S Sale

Day Christopher

VP, Marketing

Officer
333 -1.6%
90.82
30,245 USD
333 -1.6% 90.82 30,245 USD
2022-09-28 2022-09-26 S Sale

Kohn Leslie

Chief Technology Officer

Executive Director
6,179 -0.7%
58.95
364,256 USD
6,179 -0.7% 58.95 364,256 USD
2022-09-20 2022-09-19 PS Planned sale

Schwarting Elizabeth M

Non-Executive Director
113 -3.2%
64.24
7,259 USD
113 -3.2% 64.24 7,259 USD
2022-09-20 2022-09-16 S Sale

Lee Chan W

Chief Operating Officer

Officer
2,072 -3.1%
63.25
131,054 USD
2,072 -3.1% 63.25 131,054 USD
2022-09-20 2022-09-16 S Sale

Wang Feng-Ming

CEO

Executive Director
3,736 -0.5%
63.25
236,302 USD
3,736 -0.5% 63.25 236,302 USD
2022-09-20 2022-09-16 S Sale

Ju Chi-Hong

Sr. Vice President, Systems

Officer
1,272 -0.8%
63.25
80,454 USD
1,272 -0.8% 63.25 80,454 USD
2022-09-20 2022-09-16 S Sale

Day Christopher

VP, Marketing

Officer
670 -3.1%
63.25
42,378 USD
670 -3.1% 63.25 42,378 USD
2022-09-20 2022-09-16 S Sale

Kohn Leslie

Chief Technology Officer

Executive Director
2,476 -0.3%
63.25
156,607 USD
2,476 -0.3% 63.25 156,607 USD
2022-06-17 2022-06-17 PS Planned sale

Schwarting Elizabeth M

Non-Executive Director
113 -3.4%
67.03
7,574 USD
113 -3.4% 67.03 7,574 USD
2022-06-17 2022-06-16 S Sale

Wang Feng-Ming

CEO

Executive Director
3,937 -0.6%
66.26
260,866 USD
3,937 -0.6% 66.26 260,866 USD
2022-06-17 2022-06-16 S Sale

Day Christopher

VP, Marketing

Officer
704 -3.4%
66.27
46,654 USD
704 -3.4% 66.27 46,654 USD
2022-06-17 2022-06-16 S Sale

Kohn Leslie

Chief Technology Officer

Executive Director
2,609 -0.3%
66.25
172,846 USD
2,609 -0.3% 66.25 172,846 USD