Young John Alexander

Track

Insider profile

Performance

Overall performance
3.0
Performance over holding periods
4.2
30 days 90 days 120 days
Average return -1% 8.2% 15.1%
Success rate 30% 68% 82%
Transactions
17 18% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance
Performance for realised trades
4.4
Average return 76%
Success rate 73%
Average holding period 220
Transactions 28
Ranking by realised performance
Young John Alexander's trades of Ambarella Inc's stock


• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
US Ambarella Inc (AMBA)
Transaction date
Planned sale
Price
64.84
Quantity 85,130 -24.7%
Value US$3,567,151
US Ambarella Inc (AMBA)
Transaction date
Proposed sale
Price
89.98
Quantity 51,022
Value US$3,590,847
US Ambarella Inc (AMBA)
Transaction date
Planned sale
Price
258.29
Quantity 17,006 +35.3%
Value US$420,014
US Ambarella Inc (AMBA)
Transaction date
Planned sale
Price
66.98
Quantity 1,847 -1.6%
Value US$123,712
US Ambarella Inc (AMBA)
Transaction date
Sale
Price
67.87
Quantity 3,186 -2.7%
Value US$216,234
US Ambarella Inc (AMBA)
Transaction date
Proposed sale
Price
67.12
Quantity 1,847
Value US$123,971
US Ambarella Inc (AMBA)
Transaction date
Planned sale
Price
96.00
Quantity 400 -0.3%
Value US$38,400
US Ambarella Inc (AMBA)
Transaction date
Proposed sale
Price
87.55
Quantity 400
Value US$35,020
US Ambarella Inc (AMBA)
Transaction date
Planned sale
Price
60.00
Quantity 1,971 -1.6%
Value US$118,260
US Ambarella Inc (AMBA)
Transaction date
Proposed sale
Price
59.28
Quantity 1,971
Value US$116,841
Transaction date
Sale
Price
1.91
Quantity 113,122
Value £216,289
Transaction date
Sale
Price
1.91
Quantity 254,912
Value £487,392
US Ambarella Inc (AMBA)
Transaction date
Sale
Price
54.14
Quantity 3,038 -2.5%
Value US$164,477
US Ambarella Inc (AMBA)
Transaction date
Sale
Price
52.77
Quantity 4,577 -3.8%
Value US$241,528
US Ambarella Inc (AMBA)
Transaction date
Sale
Price
72.96
Quantity 3,791 -3.6%
Value US$276,591
US Ambarella Inc (AMBA)
Transaction date
Proposed sale
Price
72.96
Quantity 3,791
Value US$276,591
US Ambarella Inc (AMBA)
Transaction date
Sale
Price
71.82
Quantity 2,579 -2.4%
Value US$185,224
US Ambarella Inc (AMBA)
Transaction date
Planned sale
Price
79.43
Quantity 2,566 -2.3%
Value US$203,817
US Ambarella Inc (AMBA)
Transaction date
Sale
Price
52.26
Quantity 2,435 -2.1%
Value US$127,253
US Ambarella Inc (AMBA)
Transaction date
Planned sale
Price
55.02
Quantity 2,103 -1.8%
Value US$115,707
US Ambarella Inc (AMBA)
Transaction date
Sale
Price
55.11
Quantity 2,663 -2.2%
Value US$146,758
US Ambarella Inc (AMBA)
Transaction date
Sale
Price
75.41
Quantity 2,136 -2.1%
Value US$161,076
US Ambarella Inc (AMBA)
Transaction date
Planned sale
Price
53.54
Quantity 2,139 -2.0%
Value US$114,522
US Ambarella Inc (AMBA)
Transaction date
Sale
Price
55.48
Quantity 2,157 -2.0%
Value US$119,670
Transaction date
Sale
Price
0.78
Quantity 282,443
Value £219,741
US Ambarella Inc (AMBA)
Transaction date
Planned sale
Price
49.27
Quantity 1,546 -1.4%
Value US$76,171
US Ambarella Inc (AMBA)
Transaction date
Sale
Price
57.16
Quantity 704 -0.6%
Value US$40,241
Transaction date
Purchase
Price
0.36
Quantity 4,534
Value £1,628
Transaction date
Purchase
Price
0.54
Quantity 8,093
Value £4,362
Transaction date
Sale
Price
0.62
Quantity 9,890
Value £6,082
Transaction date
Purchase
Price
0.34
Quantity 13,585
Value £4,646
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2026-09-21 2026-09-18
US Ambarella Inc (AMBA)
PlS Planned sale
85,130 -24.7%
64.84
US$3,567,151 		85,130 -24.7% 64.84 US$3,567,151
2026-09-18 2026-09-18
US Ambarella Inc (AMBA)
PrS Proposed sale
51,022
89.98
US$3,590,847 		51,022 89.98 US$3,590,847
2026-09-18 2026-09-17
US Ambarella Inc (AMBA)
PlS Planned sale
17,006 +35.3%
258.29
US$420,014 		17,006 +35.3% 258.29 US$420,014
2026-06-18 2026-06-17
US Ambarella Inc (AMBA)
PlS Planned sale
1,847 -1.6%
66.98
US$123,712 		1,847 -1.6% 66.98 US$123,712
2026-06-18 2026-06-17
US Ambarella Inc (AMBA)
S Sale
3,186 -2.7%
67.87
US$216,234 		3,186 -2.7% 67.87 US$216,234
2026-06-17 2026-06-17
US Ambarella Inc (AMBA)
PrS Proposed sale
1,847
67.12
US$123,971 		1,847 67.12 US$123,971
2026-05-28 2026-05-26
US Ambarella Inc (AMBA)
PlS Planned sale
400 -0.3%
96.00
US$38,400 		400 -0.3% 96.00 US$38,400
2026-05-26 2026-05-26
US Ambarella Inc (AMBA)
PrS Proposed sale
400
87.55
US$35,020 		400 87.55 US$35,020
2026-04-22 2026-04-21
US Ambarella Inc (AMBA)
PlS Planned sale
1,971 -1.6%
60.00
US$118,260 		1,971 -1.6% 60.00 US$118,260
2026-04-21 2026-04-21
US Ambarella Inc (AMBA)
PrS Proposed sale
1,971
59.28
US$116,841 		1,971 59.28 US$116,841
2026-04-22 2026-04-20
S Sale
113,122
1.91
£216,289 		113,122 1.91 £216,289
2026-04-22 2026-04-20
S Sale
254,912
1.91
£487,392 		254,912 1.91 £487,392
2026-03-19 2026-03-19
US Ambarella Inc (AMBA)
S Sale
3,038 -2.5%
54.14
US$164,477 		3,038 -2.5% 54.14 US$164,477
2026-03-19 2026-03-17
US Ambarella Inc (AMBA)
S Sale
4,577 -3.8%
52.77
US$241,528 		4,577 -3.8% 52.77 US$241,528
2025-12-19 2025-12-18
US Ambarella Inc (AMBA)
S Sale
3,791 -3.6%
72.96
US$276,591 		3,791 -3.6% 72.96 US$276,591
2025-12-18 2025-12-18
US Ambarella Inc (AMBA)
PrS Proposed sale
3,791
72.96
US$276,591 		3,791 72.96 US$276,591
2025-12-19 2025-12-17
US Ambarella Inc (AMBA)
S Sale
2,579 -2.4%
71.82
US$185,224 		2,579 -2.4% 71.82 US$185,224
2025-09-19 2025-09-17
US Ambarella Inc (AMBA)
PlS Planned sale
2,566 -2.3%
79.43
US$203,817 		2,566 -2.3% 79.43 US$203,817
2025-06-20 2025-06-17
US Ambarella Inc (AMBA)
S Sale
2,435 -2.1%
52.26
US$127,253 		2,435 -2.1% 52.26 US$127,253
2025-03-20 2025-03-18
US Ambarella Inc (AMBA)
PlS Planned sale
2,103 -1.8%
55.02
US$115,707 		2,103 -1.8% 55.02 US$115,707
2025-03-07 2025-03-06
US Ambarella Inc (AMBA)
S Sale
2,663 -2.2%
55.11
US$146,758 		2,663 -2.2% 55.11 US$146,758
2024-12-18 2024-12-16
US Ambarella Inc (AMBA)
S Sale
2,136 -2.1%
75.41
US$161,076 		2,136 -2.1% 75.41 US$161,076
2024-09-19 2024-09-17
US Ambarella Inc (AMBA)
PlS Planned sale
2,139 -2.0%
53.54
US$114,522 		2,139 -2.0% 53.54 US$114,522
2024-06-20 2024-06-18
US Ambarella Inc (AMBA)
S Sale
2,157 -2.0%
55.48
US$119,670 		2,157 -2.0% 55.48 US$119,670
2024-04-09 2024-04-08
S Sale
282,443
0.78
£219,741 		282,443 0.78 £219,741
2024-03-20 2024-03-18
US Ambarella Inc (AMBA)
PlS Planned sale
1,546 -1.4%
49.27
US$76,171 		1,546 -1.4% 49.27 US$76,171
2024-03-11 2024-03-08
US Ambarella Inc (AMBA)
S Sale
704 -0.6%
57.16
US$40,241 		704 -0.6% 57.16 US$40,241
2022-11-01 2022-11-01
B Purchase
4,534
0.36
£1,628 		4,534 0.36 £1,628
2021-11-02 2021-11-01
B Purchase
8,093
0.54
£4,362 		8,093 0.54 £4,362
2021-06-22 2021-06-21
B Purchase
8,951
0.22
£1,924 		8,951 0.22 £1,924
2021-04-08 2021-04-06
S Sale
9,890
0.62
£6,082 		9,890 0.62 £6,082
2020-11-03 2020-11-02
B Purchase
13,585
0.34
£4,646 		13,585 0.34 £4,646