Latest filing published 10 Jul 2026 for Ambarella INC, €410k.
Filing timeline
BuySaleInsider track record
Yun-Lung Chen: trading record in brief
Yun-Lung Chen (senior executive) discloses dealings in Ambarella Inc to SEC (Form 4). Over a trading history stretching from 6 March 2015 to 9 July 2026, the count stands at 79 filings.
The open-market record consists of 27 sales worth €13.3M, with no purchase. The rest of the record consists of 11 share grants and 41 option exercises. In 2026 alone, the filings show no purchases and 2 sales.
The newest entry dates from 10 July 2026: an open-market sale of €410k, in Ambarella Inc. Filings reach the SEC (Form 4) feed a median of 2 days after the trade. Section 16 rules allow two business days to file each Form 4. Keep in mind that insiders sell for many reasons unrelated to the outlook, from tax bills to estate planning. Every figure here comes from the filings published by SEC (Form 4) and describes the past, not future prices; it is not investment advice.
Companies and markets linked to Yun-Lung Chen
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
- 5,958 shares@ US$78.660.015% mcap12.8% of flowOrdinary SharesSEC:0001280263-26-000055:0
- 9,856 shares@ US$67.0615.2% of flowOrdinary SharesSEC:0001280263-26-000039:0
- 2,849 shares0Ordinary SharesSEC:0001280263-26-000030:1
- 4,651 sharesOrdinary SharesSEC:0001280263-26-000030:0
- 7,220 shares0Ordinary SharesSEC:0001280263-26-000025:0
- 8,492 shares@ US$84.4219.2% of flowOrdinary SharesSEC:0001280263-25-000049:0
- 2,249 shares0Ordinary SharesSEC:0001280263-25-000014:1
- 5,868 shares0Ordinary SharesSEC:0001280263-25-000014:0
- 5,963 shares@ US$57.562.7% of flowOrdinary SharesSEC:0001280263-24-000042:1
- 5,963 shares@ US$38.926.6% 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$76.8020.2% 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$104.2223.5% 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$96.313.9% of flowOrdinary SharesSEC:0001280263-22-000012:1
- 14,000 shares@ US$97.1410.6% of flowOrdinary SharesSEC:0001280263-22-000012:2
- 5,241 shares@ US$9.991.5% of flowOrdinary SharesSEC:0001280263-22-000012:0
25 of 79 declarations