SEC Insider Transactions from Chen Yun-Lung.

Last updated: 2026-03-19 23:02 UTC | Total transactions: 15

Chen Yun-Lung, VP of Business Development at Ambarella Inc. ($AMBA), sold shares once on the open market in the last 365 days for a total of $717,000. His most recent sale occurred on September 10, 2025. These sales rank 5,680th among 11,678 insiders in our database, where the average sale amount is $8.6 million across about 6.4 transactions per insider. He made no open market purchases during this period.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 17, 2026 AMBARELLA INC $AMBA Chen Yun-Lung VP, Business Development and M M Ordinary Shares 4651 $0.00 73,522.0000 43,050,486 6.75% 0.01%
March 18, 2026 AMBARELLA INC $AMBA Chen Yun-Lung VP, Business Development and M A Ordinary Shares 2849 $0.00 76,371.0000 43,050,486 3.88% 0.01%
March 17, 2026 AMBARELLA INC $AMBA Chen Yun-Lung VP, Business Development and M M Performance Stock Units 4651 $0.00 0.0000 43,050,486 100.00% 0.01%
March 2, 2026 AMBARELLA INC $AMBA Chen Yun-Lung VP, Business Development and M A Performance Stock Units 7220 $0.00 7,220.0000 43,050,486 9999.99% 0.02%
March 2, 2026 AMBARELLA INC $AMBA Chen Yun-Lung VP, Business Development and M A Ordinary Shares 7220 $0.00 68,871.0000 43,050,486 11.71% 0.02%
Sept. 10, 2025 AMBARELLA INC $AMBA Chen Yun-Lung VP, Business Development S Ordinary Shares 8492 $84.42 61,651.0000 42,437,410 12.11% 0.02%
Feb. 28, 2025 AMBARELLA INC $AMBA Chen Yun-Lung VP, Business Development A Performance Stock Units 5868 $0.00 5,868.0000 0 9999.99% 0.00%
Feb. 28, 2025 AMBARELLA INC $AMBA Chen Yun-Lung VP, Business Development A Ordinary Shares 5868 $0.00 67,894.0000 0 9.46% 0.00%
March 5, 2025 AMBARELLA INC $AMBA Chen Yun-Lung VP, Business Development A Ordinary Shares 2249 $0.00 70,143.0000 0 3.31% 0.00%
Sept. 3, 2024 AMBARELLA INC $AMBA Chen Yun-Lung VP, Business Development M Ordinary Shares 5963 $38.92 67,989.0000 0 9.61% 0.00%
Sept. 3, 2024 AMBARELLA INC $AMBA Chen Yun-Lung VP, Business Development S Ordinary Shares 5963 $57.56 62,026.0000 0 8.77% 0.00%
Sept. 3, 2024 AMBARELLA INC $AMBA Chen Yun-Lung VP, Business Development M Non-Qualified Stock Option (right to buy) 5963 $0.00 0.0000 0 100.00% 0.00%
March 7, 2024 AMBARELLA INC $AMBA Chen Yun-Lung VP, Business Development A Ordinary Shares 726 $0.00 62,026.0000 0 1.18% 0.00%
Feb. 29, 2024 AMBARELLA INC $AMBA Chen Yun-Lung VP, Business Development A Ordinary Shares 7740 $0.00 61,300.0000 0 14.45% 0.00%
Feb. 29, 2024 AMBARELLA INC $AMBA Chen Yun-Lung VP, Business Development A Performance Stock Units 7740 $0.00 7,740.0000 0 9999.99% 0.00%