Yun-Lung Chen, VP, Business Dev. & Marketing at Ambarella, sold AMBA on Jul 9, 2026
Data as of Oct 16
- Traded
- Jul 9, 2026
- Disclosed
- Jul 10, 2026
- Filed
- 1 day after the trade
Form 4s are due within two business days.
Official filing (SEC Form 4) ↗
The price around the disclosure
AMBA since disclosure
−20.2%
after the sale
Similar stocks (XLK) since disclosure
−1.2%
XLK — its sector index fund
Change in closing price from Jul 10, 2026 (the first trading day on or after disclosure) to Oct 16, 2026. Dividends excluded. Not a return anyone earned.
Our take
None of our tested rules fired on this trade.