Ambarella, Inc.

AMBA KYG037AX1015

🆔
Registration No.
MC-132077
💰
Capitalization
Mid-cap

Ambarella Inc is a developer of semiconductor processing solutions for high-definition video capture, sharing, and display. The firm's solutions are sold to original design manufacturers and original equipment manufacturers to be designed for use in infrastructure broadcast encoders, wearable device cameras, automotive cameras, and security cameras. Ambarella's system-on-a-chip designs, based on its proprietary technology platform, are highly configurable to applications in various end markets. Geographical presence in Taiwan, Asia Pacific, Europe, North America, and the United States. The firm derives the majority of its revenue from Taiwan.

Annual Performance 1
2021 2022 2023 2024 2025
122% -62% -23% 21% 5%
Annual Insiders Turnover, USD 2

1 annual and historical performance metrics are recalculated on a daily basis;
2 represents the total value of insider transactions (both buying and selling);

Insider Activity
📊
Transactions
103
🙍
Insiders
12
Person Price Shares Total Published Completed
Schwarting Elizabeth M
85.38
USD
2,664
Sold
227,445
USD
06/10/2025 06/10/2025
Kohn Leslie
CTO
79.43
USD
2,249
Sold
178,638
USD
17/09/2025 17/09/2025
Wang Feng-ming
CEO
79.43
USD
4,928
Sold
391,431
USD
17/09/2025 17/09/2025
Ju Chi-hong
VP
79.43
USD
1,168
Sold
92,774
USD
17/09/2025 17/09/2025
Young John Alexander
CFO
79.43
USD
2,566
Sold
203,817
USD
17/09/2025 17/09/2025
Lee Chan W
COO
79.43
USD
1,947
Sold
154,650
USD
17/09/2025 17/09/2025
Chen Yun-lung
VP
84.42
USD
8,492
Sold
716,895
USD
10/09/2025 10/09/2025
Paisley Christopher B
62.58
USD
1,000
Sold
62,580
USD
25/06/2025 25/06/2025
Ju Chi-hong
VP
52.26
USD
1,108
Sold
57,904
USD
17/06/2025 17/06/2025
Kohn Leslie
CTO
52.26
USD
1,715
Sold
89,626
USD
17/06/2025 17/06/2025

Integrated EOD Stock Data and Insider Transactions Chart

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The visibility of insider buy and sell transactions on this chart should not be the sole factor in your decision to buy or sell a particular stock. Always consider the following dynamic reports for a broader understanding of stock market activities:

 

Historical Performance
1M 3M 6M 1Y 3Y 5Y All Time
35% 34% 46% -10% 71% 41% 43%
Last 52W Low 52W High All-Time Low All-Time High β
81.58 40.30 88.81 40.30 88.81
Company Insiders
Person / Entity Transactions Turnover, USD Average, USD First Last
Wang Feng-ming 12 4,113,077.42 342,756.45 19/12/2023 17/09/2025
Ju Chi-hong 17 2,135,510.04 125,618.24 19/12/2023 17/09/2025
Lee Chan W 21 1,735,987.34 82,666.06 19/12/2023 17/09/2025
Young John Alexander 9 1,105,215.71 122,801.75 08/03/2024 17/09/2025
Kohn Leslie 11 1,088,790.30 98,980.94 19/12/2023 17/09/2025
Chen Yun-lung 2 1,060,114.78 530,057.39 03/09/2024 10/09/2025
Day Christopher 15 754,070.75 50,271.38 19/12/2023 17/06/2025
Richardson David Jeffrey 1 473,258.58 473,258.58 06/12/2023 06/12/2023
Schwarting Elizabeth M 8 406,743.18 50,842.90 18/12/2023 06/10/2025
Paisley Christopher B 5 259,455.00 51,891.00 26/12/2023 25/06/2025
White Brian C 1 211,625.28 211,625.28 19/12/2023 19/12/2023
Hon Hsiao-wuen 1 27,953.95 27,953.95 13/12/2024 13/12/2024

Insiders marked in yellow represent long-term insiders. These are individuals who have engaged in transactions for over 3 years and have conducted at least 10 transactions or reached a cumulative turnover of $1M USD. When examining transaction clusters, we prioritize those conducted by long-term insiders for analysis.

Stock Advanced Metrics
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Upper Bound of Standardized Transaction Amount (ubsta), USD 4 subscribe 🔒

4 represents the maximum expected transaction amount for a company's insiders, calculated based on historical data. It provides insight into the typical range of insider transaction amounts and helps in identifying unusually large transactions.

5 a proprietary metric reflecting the consistency of insider trading behavior within a company. A higher discipline index suggests more regular and predictable insider transactions.