Stock chart
Ticker: AMBA Exchange: NSM


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Earnings
Earnings
 
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
2025-03-26 2025-03-25 PS Planned sale

PAISLEY CHRISTOPHER B

Non-Executive Director
500 -1.2%
55.50
USD 27,750
500 -1.2% 55.50 USD 27,750
2025-03-20 2025-03-18 PS Planned sale

Ju Chi-Hong

Sr. Vice President, Systems

Officer
1,034 -0.6%
55.02
USD 56,891
1,034 -0.6% 55.02 USD 56,891
2025-03-20 2025-03-18 PS Planned sale

Lee Chan W

Chief Operating Officer

Officer
1,468 -1.1%
55.02
USD 80,769
1,468 -1.1% 55.02 USD 80,769
2025-03-20 2025-03-18 S Sale

Kohn Leslie

Chief Technology Officer

Executive Director
1,584 -0.2%
55.02
USD 87,152
1,584 -0.2% 55.02 USD 87,152
2025-03-20 2025-03-18 PS Planned sale

Wang Feng-Ming

CEO

Executive Director
3,194 -0.4%
55.02
USD 175,734
3,194 -0.4% 55.02 USD 175,734
2025-03-20 2025-03-18 PS Planned sale

Day Christopher

VP, Marketing

Officer
479 -3.0%
55.02
USD 26,355
479 -3.0% 55.02 USD 26,355
2025-03-20 2025-03-18 PS Planned sale

Young John Alexander

CFO

Officer
2,103 -1.8%
55.02
USD 115,707
2,103 -1.8% 55.02 USD 115,707
2025-03-07 2025-03-06 S Sale

Lee Chan W

Chief Operating Officer

Officer
2,108 -1.6%
55.11
USD 116,172
2,108 -1.6% 55.11 USD 116,172
2025-03-07 2025-03-06 S Sale

Kohn Leslie

Chief Technology Officer

Executive Director
2,316 -0.2%
55.11
USD 127,635
2,316 -0.2% 55.11 USD 127,635
2025-03-07 2025-03-06 S Sale

Wang Feng-Ming

CEO

Executive Director
4,104 -0.5%
55.11
USD 226,171
4,104 -0.5% 55.11 USD 226,171
2025-03-07 2025-03-06 S Sale

Ju Chi-Hong

Sr. Vice President, Systems

Officer
1,859 -1.1%
55.11
USD 102,449
1,859 -1.1% 55.11 USD 102,449
2025-03-07 2025-03-06 S Sale

Day Christopher

VP, Marketing

Officer
834 -5.0%
55.11
USD 45,962
834 -5.0% 55.11 USD 45,962
2025-03-07 2025-03-06 S Sale

Young John Alexander

CFO

Officer
2,663 -2.2%
55.11
USD 146,758
2,663 -2.2% 55.11 USD 146,758
2025-01-17 2025-01-16 PS Planned sale

Lee Chan W

Chief Operating Officer

Officer
1,000 -0.9%
77.21
USD 77,210
1,000 -0.9% 77.21 USD 77,210
2025-01-17 2025-01-15 PS Planned sale

Lee Chan W

Chief Operating Officer

Officer
1,000 -0.9%
75.90
USD 75,900
1,000 -0.9% 75.90 USD 75,900
2025-01-14 2025-01-14 PS Planned sale

Lee Chan W

Chief Operating Officer

Officer
1,000 -0.9%
75.68
USD 75,680
1,000 -0.9% 75.68 USD 75,680
2025-01-14 2025-01-13 PS Planned sale

Lee Chan W

Chief Operating Officer

Officer
1,000 -0.9%
73.50
USD 73,500
1,000 -0.9% 73.50 USD 73,500
2025-01-14 2025-01-10 PS Planned sale

Lee Chan W

Chief Operating Officer

Officer
1,000 -0.9%
74.12
USD 74,120
1,000 -0.9% 74.12 USD 74,120
2025-01-08 2025-01-08 PS Planned sale

Lee Chan W

Chief Operating Officer

Officer
1,000 -0.9%
73.48
USD 73,480
1,000 -0.9% 73.48 USD 73,480
2025-01-08 2025-01-07 PS Planned sale

Lee Chan W

Chief Operating Officer

Officer
1,000 -0.9%
78.73
USD 78,730
1,000 -0.9% 78.73 USD 78,730
2025-01-08 2025-01-06 PS Planned sale

Lee Chan W

Chief Operating Officer

Officer
1,000 -0.8%
79.15
USD 79,150
1,000 -0.8% 79.15 USD 79,150
2025-01-07 2025-01-03 S Sale

Day Christopher

VP, Marketing

Officer
1,247 -7.9%
78.10
USD 97,394
1,247 -7.9% 78.10 USD 97,394
2025-01-03 2025-01-03 PS Planned sale

Lee Chan W

Chief Operating Officer

Officer
1,000 -0.8%
75.06
USD 75,060
1,000 -0.8% 75.06 USD 75,060
2025-01-03 2025-01-02 PS Planned sale

Lee Chan W

Chief Operating Officer

Officer
1,000 -0.8%
73.32
USD 73,320
1,000 -0.8% 73.32 USD 73,320
2024-12-26 2024-12-26 PS Planned sale

PAISLEY CHRISTOPHER B

Non-Executive Director
1,500 -3.5%
73.80
USD 110,700
1,500 -3.5% 73.80 USD 110,700
2024-12-20 2024-12-18 S Sale

Day Christopher

VP, Marketing

Officer
848 -5.1%
75.40
USD 63,939
848 -5.1% 75.40 USD 63,939
2024-12-20 2024-12-18 S Sale

Day Christopher

VP, Marketing

Officer
81 -0.5%
75.41
USD 6,108
81 -0.5% 75.41 USD 6,108
2024-12-20 2024-12-18 S Sale

Schwarting Elizabeth M

Non-Executive Director
253 -3.1%
71.55
USD 18,103
253 -3.1% 71.55 USD 18,103
2024-12-18 2024-12-16 S Sale

Young John Alexander

CFO

Officer
2,136 -2.1%
75.41
USD 161,076
2,136 -2.1% 75.41 USD 161,076
2024-12-18 2024-12-16 S Sale

Ju Chi-Hong

Sr. Vice President, Systems

Officer
1,048 -0.7%
75.41
USD 79,030
1,048 -0.7% 75.41 USD 79,030
2024-12-18 2024-12-16 S Sale

Kohn Leslie

Chief Technology Officer

Executive Director
1,757 -0.2%
75.41
USD 132,495
1,757 -0.2% 75.41 USD 132,495
2024-12-18 2024-12-16 S Sale

Lee Chan W

Chief Operating Officer

Officer
1,488 -1.2%
75.41
USD 112,210
1,488 -1.2% 75.41 USD 112,210
2024-12-18 2024-12-16 S Sale

Day Christopher

VP, Marketing

Officer
482 -2.8%
75.41
USD 36,348
482 -2.8% 75.41 USD 36,348
2024-12-18 2024-12-16 S Sale

Wang Feng-Ming

CEO

Executive Director
4,296 -0.6%
75.41
USD 323,961
4,296 -0.6% 75.41 USD 323,961
2024-12-16 2024-12-13 S Sale

Hon Hsiao-Wuen

Non-Executive Director
377 -1.3%
74.15
USD 27,954
377 -1.3% 74.15 USD 27,954
2024-12-10 2024-12-09 S Sale

Ju Chi-Hong

Sr. Vice President, Systems

Officer
3,000 -1.9%
75.72
USD 227,160
3,000 -1.9% 75.72 USD 227,160
2024-12-10 2024-12-09 S Sale

Ju Chi-Hong

Sr. Vice President, Systems

Officer
2,118 -1.3%
75.69
USD 160,315
2,118 -1.3% 75.69 USD 160,315
2024-12-03 2024-12-02 S Sale

Day Christopher

VP, Marketing

Officer
1,278 -6.9%
71.61
USD 91,511
1,278 -6.9% 71.61 USD 91,511
2024-10-04 2024-10-03 S Sale

Day Christopher

VP, Marketing

Officer
2,904 -13.6%
58.00
USD 168,432
2,904 -13.6% 58.00 USD 168,432
2024-09-26 2024-09-25 PS Planned sale

PAISLEY CHRISTOPHER B

Non-Executive Director
500 -1.2%
53.71
USD 26,855
500 -1.2% 53.71 USD 26,855
2024-09-25 2024-09-24 S Sale

Schwarting Elizabeth M

Non-Executive Director
913 -10.1%
54.74
USD 49,977
913 -10.1% 54.74 USD 49,977
2024-09-19 2024-09-17 PS Planned sale

Day Christopher

VP, Marketing

Officer
483 -2.2%
53.54
USD 25,860
483 -2.2% 53.54 USD 25,860
2024-09-19 2024-09-17 PS Planned sale

Young John Alexander

CFO

Officer
2,139 -2.0%
53.54
USD 114,522
2,139 -2.0% 53.54 USD 114,522
2024-09-19 2024-09-17 S Sale

Kohn Leslie

Chief Technology Officer

Executive Director
1,608 -0.2%
53.54
USD 86,092
1,608 -0.2% 53.54 USD 86,092
2024-09-19 2024-09-17 PS Planned sale

Ju Chi-Hong

Sr. Vice President, Systems

Officer
1,050 -0.6%
53.54
USD 56,217
1,050 -0.6% 53.54 USD 56,217
2024-09-19 2024-09-17 PS Planned sale

Wang Feng-Ming

CEO

Executive Director
4,301 -0.5%
53.54
USD 230,276
4,301 -0.5% 53.54 USD 230,276
2024-09-19 2024-09-17 PS Planned sale

Lee Chan W

Chief Operating Officer

Officer
1,490 -1.2%
53.54
USD 79,775
1,490 -1.2% 53.54 USD 79,775
2024-09-18 2024-09-16 S Sale

Schwarting Elizabeth M

Non-Executive Director
240 -2.6%
53.16
USD 12,757
240 -2.6% 53.16 USD 12,757
2024-09-06 2024-09-05 S Sale

Wang Feng-Ming

CEO

Executive Director
31,618 -3.8%
54.71
USD 1,729,773
31,618 -3.8% 54.71 USD 1,729,773
2024-09-06 2024-09-04 S Sale

Wang Feng-Ming

CEO

Executive Director
4,382 -0.5%
56.02
USD 245,470
4,382 -0.5% 56.02 USD 245,470
2024-09-05 2024-09-03 S Sale

Chen Yun-Lung

VP, Business Development

Officer
5,963 -8.8%
57.56
USD 343,220
5,963 -8.8% 57.56 USD 343,220
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
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