Lee Chan W, Chief Operations Officer of Ambarella Inc. ($AMBA), made four open market sales of $AMBA shares over the last year, totaling nearly $492,000. His most recent sale occurred on December 17, 2025. These transactions rank 6,491st out of 11,678 individual insiders by sale value, well below the average of $8.6 million and 6.4 sales per insider. Lee Chan W recorded no open market purchases in this period.
| 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 | Lee Chan W | Chief Operations Officer | M | Ordinary Shares | 13678 | $0.00 | 163,099.0000 | 43,050,486 | 9.15% | 0.03% |
| March 17, 2026 | AMBARELLA INC | $AMBA | Lee Chan W | Chief Operations Officer | S | Ordinary Shares | 6729 | $52.77 | 156,370.0000 | 43,050,486 | 4.13% | 0.02% |
| March 18, 2026 | AMBARELLA INC | $AMBA | Lee Chan W | Chief Operations Officer | A | Ordinary Shares | 7320 | $0.00 | 163,690.0000 | 43,050,486 | 4.68% | 0.02% |
| March 19, 2026 | AMBARELLA INC | $AMBA | Lee Chan W | Chief Operations Officer | S | Ordinary Shares | 3641 | $54.14 | 160,049.0000 | 43,050,486 | 2.22% | 0.01% |
| March 17, 2026 | AMBARELLA INC | $AMBA | Lee Chan W | Chief Operations Officer | M | Performance Stock Units | 13678 | $0.00 | 0.0000 | 43,050,486 | 100.00% | 0.03% |
| March 2, 2026 | AMBARELLA INC | $AMBA | Lee Chan W | Chief Operations Officer | A | Performance Stock Units | 24701 | $0.00 | 24,701.0000 | 43,050,486 | 9999.99% | 0.06% |
| March 2, 2026 | AMBARELLA INC | $AMBA | Lee Chan W | Chief Operations Officer | A | Ordinary Shares | 24701 | $0.00 | 149,267.0000 | 43,050,486 | 19.83% | 0.06% |
| Dec. 17, 2025 | AMBARELLA INC | $AMBA | Lee Chan W | Chief Operations Officer | S | Ordinary Shares | 2406 | $71.82 | 124,566.0000 | 43,050,486 | 1.89% | 0.01% |
| Sept. 17, 2025 | AMBARELLA INC | $AMBA | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 1947 | $79.43 | 126,972.0000 | 42,437,410 | 1.51% | 0.00% |
| June 17, 2025 | AMBARELLA INC | $AMBA | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 1601 | $52.26 | 128,696.0000 | 42,437,410 | 1.23% | 0.00% |
| March 18, 2025 | AMBARELLA INC | $AMBA | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 1468 | $55.02 | 130,297.0000 | 0 | 1.11% | 0.00% |
| Feb. 28, 2025 | AMBARELLA INC | $AMBA | Lee Chan W | Chief Operating Officer | A | Ordinary Shares | 18256 | $0.00 | 128,174.0000 | 0 | 16.61% | 0.00% |
| March 5, 2025 | AMBARELLA INC | $AMBA | Lee Chan W | Chief Operating Officer | A | Ordinary Shares | 5465 | $0.00 | 133,639.0000 | 0 | 4.26% | 0.00% |
| March 6, 2025 | AMBARELLA INC | $AMBA | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 2108 | $55.11 | 131,531.0000 | 0 | 1.58% | 0.00% |
| Feb. 28, 2025 | AMBARELLA INC | $AMBA | Lee Chan W | Chief Operating Officer | A | Performance Stock Units | 18256 | $0.00 | 18,256.0000 | 0 | 9999.99% | 0.00% |
| Jan. 16, 2025 | AMBARELLA INC | $AMBA | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 1000 | $77.21 | 109,918.0000 | 0 | 0.90% | 0.00% |
| Jan. 15, 2025 | AMBARELLA INC | $AMBA | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 1000 | $75.90 | 110,918.0000 | 0 | 0.89% | 0.00% |
| Jan. 14, 2025 | AMBARELLA INC | $AMBA | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 1000 | $75.68 | 111,918.0000 | 0 | 0.89% | 0.00% |
| Jan. 13, 2025 | AMBARELLA INC | $AMBA | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 1000 | $73.50 | 112,918.0000 | 0 | 0.88% | 0.00% |
| Jan. 10, 2025 | AMBARELLA INC | $AMBA | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 1000 | $74.12 | 113,918.0000 | 0 | 0.87% | 0.00% |
| Jan. 7, 2025 | AMBARELLA INC | $AMBA | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 1000 | $78.73 | 115,918.0000 | 0 | 0.86% | 0.00% |
| Jan. 8, 2025 | AMBARELLA INC | $AMBA | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 1000 | $73.48 | 114,918.0000 | 0 | 0.86% | 0.00% |
| Jan. 6, 2025 | AMBARELLA INC | $AMBA | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 1000 | $79.15 | 116,918.0000 | 0 | 0.85% | 0.00% |
| Jan. 3, 2025 | AMBARELLA INC | $AMBA | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 1000 | $75.06 | 117,918.0000 | 0 | 0.84% | 0.00% |
| Jan. 2, 2025 | AMBARELLA INC | $AMBA | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 1000 | $73.32 | 118,918.0000 | 0 | 0.83% | 0.00% |
| Dec. 16, 2024 | AMBARELLA INC | $AMBA | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 1488 | $75.41 | 119,918.0000 | 0 | 1.23% | 0.00% |
| Sept. 17, 2024 | AMBARELLA INC | $AMBA | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 1490 | $53.54 | 121,406.0000 | 0 | 1.21% | 0.00% |
| June 18, 2024 | AMBARELLA INC | $AMBA | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 1504 | $55.48 | 122,642.0000 | 0 | 1.21% | 0.00% |
| March 18, 2024 | AMBARELLA INC | $AMBA | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 1075 | $49.27 | 124,146.0000 | 0 | 0.86% | 0.00% |
| March 8, 2024 | AMBARELLA INC | $AMBA | Lee Chan W | Chief Operating Officer | S | Ordinary Shares | 642 | $57.16 | 125,003.0000 | 0 | 0.51% | 0.00% |
| March 7, 2024 | AMBARELLA INC | $AMBA | Lee Chan W | Chief Operating Officer | A | Ordinary Shares | 1545 | $0.00 | 125,645.0000 | 0 | 1.24% | 0.00% |
| Feb. 29, 2024 | AMBARELLA INC | $AMBA | Lee Chan W | Chief Operating Officer | A | Performance Stock Units | 22764 | $0.00 | 22,764.0000 | 0 | 9999.99% | 0.00% |
| Feb. 29, 2024 | AMBARELLA INC | $AMBA | Lee Chan W | Chief Operating Officer | A | Ordinary Shares | 22764 | $0.00 | 124,100.0000 | 0 | 22.46% | 0.00% |