InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (5 ops.)
Insider track record
ExecutiveDisclosed buys
0
Disclosed sells
5
T+90 hit rate
56%
T+90 mean return
-10.1%
Across 9 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Discover the complete record of transactions filed by Chen Yun-Lung, VP, Développement Commercial. Officer active across 1 company, notably Ambarella INC. Cumulatively, 24 reports have been recorded. Breakdown: 0 buy · 5 sells. Total volume traded: €2.4m. Activity tracked since 28 June 2021. The latest transaction was disclosed on 28 February 2025 (Attribution). Regulator: SEC (Form 4). All data is openly available.
Declarations24 total
9,856 sharesOrdinary SharesSEC:0001280263-26-000039:0
5,868 shares0Ordinary SharesSEC:0001280263-25-000014:0
5,963 shares@ US$38.927.8% of flowOrdinary SharesSEC:0001280263-24-000042:0
726 shares0Ordinary SharesSEC:0001280263-24-000014:0
7,740 shares0Ordinary SharesSEC:0001280263-24-000007:0
8,859 shares0Ordinary SharesSEC:0001280263-23-000046:0
8,984 shares@ US$76.8023.9% of flowOrdinary SharesSEC:0001280263-23-000032:0
7,344 sharesOrdinary SharesSEC:0001280263-23-000011:0
903 shares0Ordinary SharesSEC:0001280263-23-000008:0
1,383 sharesOrdinary SharesSEC:0001280263-22-000101:0
1,385 sharesOrdinary SharesSEC:0001280263-22-000080:0
1,383 sharesOrdinary SharesSEC:0001280263-22-000062:0
8,000 shares@ US$104.220.021% mcap40.9% of flowOrdinary SharesSEC:0001280263-22-000040:0
18,698 sharesOrdinary SharesSEC:0001280263-22-000030:0
1,975 shares0Ordinary SharesSEC:0001280263-22-000017:0
5,241 shares@ US$9.990.0013% mcap2.6% of flowOrdinary SharesSEC:0001280263-22-000012:0
1,712 sharesOrdinary SharesSEC:0001280263-21-000146
1,712 sharesOrdinary SharesSEC:0001280263-21-000146:0
1,713 sharesOrdinary SharesSEC:0001280263-21-000118
1,713 sharesOrdinary SharesSEC:0001280263-21-000118:0
5,951 shares@ US$104.088319.3% of flowOrdinary SharesSEC:0001280263-21-000066
5,951 shares@ US$104.08830.015% mcap28.3% of flowOrdinary SharesSEC:0001280263-21-000066:0
2,991 sharesOrdinary SharesSEC:0001280263-21-000060
2,991 sharesOrdinary SharesSEC:0001280263-21-000060:0
24 of 24 declarations
About Chen Yun-Lung
Yun-Lung Chen is the Vice President of Business Development at AMBARELLA INC. He is responsible for developing and implementing business development strategies for the company. With a solid background in the technology sector, he plays a key role in identifying new market opportunities and driving growth at AMBARELLA.
