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Christopher Day

Track

Insider profile

Currently holds a position at Ambarella Inc

Performance

Overall performance
3.8
Performance over holding periods
3.8
30 days 90 days 120 days
Average return 3% 8.2% 15.1%
Success rate 71% 68% 82%
Transactions
63 0% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance

Positions

Position Company Period
Vice President - Marketing and Business Development Ambarella Inc March 1, 2010 -
Christopher Day's trades of Ambarella Inc's stock


Subscribe to get access to the transaction volume chart and in-chart transaction details
• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2025-09-22 2025-09-22
US Ambarella Inc (AMBA)
PrS Proposed sale
44,677
218.80
US$2,663,968 		44,677 218.80 US$2,663,968
2025-09-19 2025-09-19
US Ambarella Inc (AMBA)
PrS Proposed sale
49,330
477.16
US$3,301,906 		49,330 477.16 US$3,301,906
2025-09-18 2025-09-18
US Ambarella Inc (AMBA)
PrS Proposed sale
3,729
13.49
US$2,148,287 		3,729 13.49 US$2,148,287
2025-09-08 2025-09-08
US Ambarella Inc (AMBA)
PrS Proposed sale
1,772
85.00
US$150,620 		1,772 85.00 US$150,620
2025-07-14 2025-07-14
US Ambarella Inc (AMBA)
PrS Proposed sale
2,907
66.83
US$194,289 		2,907 66.83 US$194,289
2025-06-20 2025-06-17
US Ambarella Inc (AMBA)
S Sale
342 -2.2%
52.26
US$17,873 		342 -2.2% 52.26 US$17,873
2025-03-20 2025-03-18
US Ambarella Inc (AMBA)
PlS Planned sale
479 -3.0%
55.02
US$26,355 		479 -3.0% 55.02 US$26,355
2025-03-07 2025-03-06
US Ambarella Inc (AMBA)
S Sale
834 -5.0%
55.11
US$45,962 		834 -5.0% 55.11 US$45,962
2025-01-07 2025-01-03
US Ambarella Inc (AMBA)
S Sale
1,247 -7.9%
78.10
US$97,394 		1,247 -7.9% 78.10 US$97,394
2025-01-03 2025-01-03
US Ambarella Inc (AMBA)
PrS Proposed sale
1,247
78.10
US$97,394 		1,247 78.10 US$97,394
2024-12-20 2024-12-18
US Ambarella Inc (AMBA)
S Sale
848 -5.1%
75.40
US$63,939 		848 -5.1% 75.40 US$63,939
2024-12-20 2024-12-18
US Ambarella Inc (AMBA)
S Sale
81 -0.5%
75.41
US$6,108 		81 -0.5% 75.41 US$6,108
2024-12-18 2024-12-18
US Ambarella Inc (AMBA)
PrS Proposed sale
929
75.40
US$70,047 		929 75.40 US$70,047
2024-12-18 2024-12-16
US Ambarella Inc (AMBA)
S Sale
482 -2.8%
75.41
US$36,348 		482 -2.8% 75.41 US$36,348
2024-12-03 2024-12-02
US Ambarella Inc (AMBA)
S Sale
1,278 -6.9%
71.61
US$91,511 		1,278 -6.9% 71.61 US$91,511
2024-12-02 2024-12-02
US Ambarella Inc (AMBA)
PrS Proposed sale
1,278
71.61
US$91,511 		1,278 71.61 US$91,511
2024-10-04 2024-10-03
US Ambarella Inc (AMBA)
S Sale
2,904 -13.6%
58.00
US$168,432 		2,904 -13.6% 58.00 US$168,432
2024-09-19 2024-09-17
US Ambarella Inc (AMBA)
PlS Planned sale
483 -2.2%
53.54
US$25,860 		483 -2.2% 53.54 US$25,860
2024-07-10 2024-07-08
US Ambarella Inc (AMBA)
S Sale
1,408 -6.1%
61.66
US$86,817 		1,408 -6.1% 61.66 US$86,817
2024-07-08 2024-07-08
US Ambarella Inc (AMBA)
PrS Proposed sale
1,408
61.66
US$86,814 		1,408 61.66 US$86,814
2024-06-20 2024-06-18
US Ambarella Inc (AMBA)
S Sale
487 -2.1%
55.48
US$27,019 		487 -2.1% 55.48 US$27,019
2024-03-20 2024-03-18
US Ambarella Inc (AMBA)
PlS Planned sale
416 -1.7%
49.27
US$20,496 		416 -1.7% 49.27 US$20,496
2024-03-11 2024-03-08
US Ambarella Inc (AMBA)
S Sale
302 -1.3%
57.16
US$17,262 		302 -1.3% 57.16 US$17,262
2023-12-21 2023-12-19
US Ambarella Inc (AMBA)
S Sale
360 -2.2%
63.04
US$22,694 		360 -2.2% 63.04 US$22,694
2023-09-20 2023-09-18
US Ambarella Inc (AMBA)
PlS Planned sale
351 -2.1%
57.30
US$20,112 		351 -2.1% 57.30 US$20,112
2023-07-14 2023-07-12
US Ambarella Inc (AMBA)
S Sale
2,285 -12.1%
82.50
US$188,523 		2,285 -12.1% 82.50 US$188,523
2023-07-12 2023-07-12
US Ambarella Inc (AMBA)
PrS Proposed sale
2,285
82.50
US$188,523 		2,285 82.50 US$188,523
2023-06-20 2023-06-20
US Ambarella Inc (AMBA)
S Sale
354 -1.8%
84.80
US$30,019 		354 -1.8% 84.80 US$30,019
2023-06-14 2023-06-13
US Ambarella Inc (AMBA)
S Sale
3,000 -21.7%
86.94
US$260,824 		3,000 -21.7% 86.94 US$260,824
2023-06-13 2023-06-13
US Ambarella Inc (AMBA)
PrS Proposed sale
3,000
86.94
US$260,824 		3,000 86.94 US$260,824
2023-06-12 2023-06-09
US Ambarella Inc (AMBA)
S Sale
4,286 -23.7%
82.97
US$355,617 		4,286 -23.7% 82.97 US$355,617
2023-06-09 2023-06-09
US Ambarella Inc (AMBA)
PrS Proposed sale
4,286
82.97
US$355,617 		4,286 82.97 US$355,617
2023-04-14 2023-04-13
US Ambarella Inc (AMBA)
S Sale
3,675 -16.9%
69.24
US$254,457 		3,675 -16.9% 69.24 US$254,457
2023-03-17 2023-03-17
US Ambarella Inc (AMBA)
S Sale
2,420 -10.0%
76.85
US$185,977 		2,420 -10.0% 76.85 US$185,977
2023-03-10 2023-03-09
US Ambarella Inc (AMBA)
S Sale
358 -2.1%
82.25
US$29,446 		358 -2.1% 82.25 US$29,446
2022-12-20 2022-12-20
US Ambarella Inc (AMBA)
S Sale
238 -1.4%
81.82
US$19,473 		238 -1.4% 81.82 US$19,473
2022-12-20 2022-12-20
US Ambarella Inc (AMBA)
S Sale
2,214 -11.6%
81.57
US$180,596 		2,214 -11.6% 81.57 US$180,596
2022-12-20 2022-12-16
US Ambarella Inc (AMBA)
S Sale
663 -3.4%
83.77
US$55,540 		663 -3.4% 83.77 US$55,540
2022-12-15 2022-12-14
US Ambarella Inc (AMBA)
S Sale
2,000 -9.8%
90.82
US$181,640 		2,000 -9.8% 90.82 US$181,640
2022-12-15 2022-12-14
US Ambarella Inc (AMBA)
S Sale
333 -1.6%
90.82
US$30,245 		333 -1.6% 90.82 US$30,245
2022-09-20 2022-09-16
US Ambarella Inc (AMBA)
S Sale
670 -3.1%
63.25
US$42,378 		670 -3.1% 63.25 US$42,378
2022-06-17 2022-06-16
US Ambarella Inc (AMBA)
S Sale
704 -3.4%
66.27
US$46,654 		704 -3.4% 66.27 US$46,654
2022-03-18 2022-03-16
US Ambarella Inc (AMBA)
S Sale
7,405 -27.7%
91.20
US$675,336 		7,405 -27.7% 91.20 US$675,336
2022-03-14 2022-03-14
US Ambarella Inc (AMBA)
S Sale
713 -7.3%
84.42
US$60,191 		713 -7.3% 84.42 US$60,191
2021-12-17 2021-12-16
US Ambarella Inc (AMBA)
S Sale
890 -9.4%
188.86
US$168,085 		890 -9.4% 188.86 US$168,085