Stock chart
Ticker: AMBA Exchange: NSM


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Purchase Sale Planned purchase Planned sale Net purchase Net sale
 
Value bought

Past 90 days

 
Value sold

Past 90 days

 
Net insiders buying

Past 90 days

 
Trades (buy and sell)

Past 90 days

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 Value Details
2024-07-10 2024-07-08 S Sale

Day Christopher

VP, Marketing

Officer
1,408 -6.1%
61.66
USD 86,817
1,408 -6.1% 61.66 USD 86,817
2024-06-27 2024-06-26 S Sale

Ju Chi-Hong

Sr. Vice President, Systems

Officer
6,000 -3.3%
52.90
USD 317,422
6,000 -3.3% 52.90 USD 317,422
2024-06-24 2024-06-21 S Sale

Ju Chi-Hong

Sr. Vice President, Systems

Officer
8,900 -4.7%
55.53
USD 494,217
8,900 -4.7% 55.53 USD 494,217
2024-06-20 2024-06-18 S Sale

Lee Chan W

Chief Operating Officer

Officer
1,504 -1.2%
55.48
USD 83,442
1,504 -1.2% 55.48 USD 83,442
2024-06-20 2024-06-18 S Sale

Young John Alexander

CFO

Officer
2,157 -2.0%
55.48
USD 119,670
2,157 -2.0% 55.48 USD 119,670
2024-06-20 2024-06-18 S Sale

Ju Chi-Hong

Sr. Vice President, Systems

Officer
1,059 -0.6%
55.48
USD 58,753
1,059 -0.6% 55.48 USD 58,753
2024-06-20 2024-06-18 S Sale

Kohn Leslie

Chief Technology Officer

Executive Director
1,623 -0.2%
55.48
USD 90,044
1,623 -0.2% 55.48 USD 90,044
2024-06-20 2024-06-18 S Sale

Day Christopher

VP, Marketing

Officer
487 -2.1%
55.48
USD 27,019
487 -2.1% 55.48 USD 27,019
2024-06-20 2024-06-18 S Sale

Wang Feng-Ming

CEO

Executive Director
3,058 -0.4%
55.48
USD 169,658
3,058 -0.4% 55.48 USD 169,658
2024-06-20 2024-06-17 S Sale

Schwarting Elizabeth M

Non-Executive Director
230 -3.7%
55.56
USD 12,779
230 -3.7% 55.56 USD 12,779
2024-06-11 2024-06-10 S Sale

Ju Chi-Hong

Sr. Vice President, Systems

Officer
1,895 -1.0%
57.50
USD 108,963
1,895 -1.0% 57.50 USD 108,963
2024-06-11 2024-06-07 S Sale

Ju Chi-Hong

Sr. Vice President, Systems

Officer
2,296 -1.2%
56.79
USD 130,379
2,296 -1.2% 56.79 USD 130,379
2024-03-21 2024-03-20 S Sale

Schwarting Elizabeth M

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

Day Christopher

VP, Marketing

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

Ju Chi-Hong

Sr. Vice President, Systems

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

Wang Feng-Ming

CEO

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

Young John Alexander

CFO

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

Lee Chan W

Chief Operating Officer

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

Kohn Leslie

Chief Technology Officer

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

Wang Feng-Ming

CEO

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

Kohn Leslie

Chief Technology Officer

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

Young John Alexander

CFO

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

Day Christopher

VP, Marketing

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

Lee Chan W

Chief Operating Officer

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

Ju Chi-Hong

Sr. Vice President, Systems

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

PAISLEY CHRISTOPHER B

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

Lee Chan W

Chief Operating Officer

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

Kohn Leslie

Chief Technology Officer

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

Day Christopher

VP, Marketing

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

Wang Feng-Ming

CEO

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

WHITE BRIAN C

CFO

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

Ju Chi-Hong

Sr. Vice President, Systems

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

Schwarting Elizabeth M

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

RICHARDSON DAVID JEFFREY

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

Wang Feng-Ming

CEO

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

WHITE BRIAN C

CFO

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

Day Christopher

VP, Marketing

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

Ju Chi-Hong

Sr. Vice President, Systems

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

Kohn Leslie

Chief Technology Officer

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

Lee Chan W

Chief Operating Officer

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

Schwarting Elizabeth M

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

Day Christopher

VP, Marketing

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

Ju Chi-Hong

Sr. Vice President, Systems

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

Kohn Leslie

Chief Technology Officer

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

Lee Chan W

Chief Operating Officer

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

WHITE BRIAN C

CFO

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

Wang Feng-Ming

CEO

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

Ju Chi-Hong

Sr. Vice President, Systems

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

Day Christopher

VP, Marketing

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

Schwarting Elizabeth M

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

Day Christopher

VP, Marketing

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

Day Christopher

VP, Marketing

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

Ju Chi-Hong

Sr. Vice President, Systems

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

Chen Yun-Lung

VP, Business Development

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

Day Christopher

VP, Marketing

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

Kohn Leslie

Chief Technology Officer

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

Wang Feng-Ming

CEO

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

WHITE BRIAN C

CFO

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

Day Christopher

VP, Marketing

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

Lee Chan W

Chief Operating Officer

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

Ju Chi-Hong

Sr. Vice President, Systems

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

Schwarting Elizabeth M

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

Day Christopher

VP, Marketing

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

WHITE BRIAN C

CFO

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

Ju Chi-Hong

Sr. Vice President, Systems

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

Day Christopher

VP, Marketing

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

Day Christopher

VP, Marketing

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

Schwarting Elizabeth M

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

Ju Chi-Hong

Sr. Vice President, Systems

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

Wang Feng-Ming

CEO

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

Kohn Leslie

Chief Technology Officer

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

Day Christopher

VP, Marketing

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

Lee Chan W

Chief Operating Officer

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

Ju Chi-Hong

Sr. Vice President, Systems

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

Day Christopher

VP, Marketing

Officer
2,000 -9.8%
90.82
USD
2,000 -9.8% 90.82 USD 181,640