Yen-Lung Chen
First SEC filing: March 17, 2014 · Latest: March 17, 2014
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| July 9, 2026 | AMBA | S | 5,958 | $78.66 | $468,656 | 60,557 Direct | -8.96% | Disposed | -13.0% (price as of 2026-10-06) |
| June 12, 2026 | AMBA | S | 9,856 | $67.06 | $660,943 | 66,515 Direct | -12.91% | Disposed | 2.1% (price as of 2026-10-06) |
| March 18, 2026 | AMBA | A | 2,849 | · | · | 76,371 Direct | +3.88% | Acquired | (price as of 2026-10-06) |
| March 17, 2026 | AMBA | M | 4,651 | · | · | 73,522 Direct | +6.75% | Acquired | (price as of 2026-10-06) |
| March 17, 2026 | AMBA | M | 4,651 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| March 2, 2026 | AMBA | A | 7,220 | · | · | 68,871 Direct | +11.71% | Acquired | (price as of 2026-10-06) |
| March 2, 2026 | AMBA | A | 7,220 | · | · | 7,220 Direct | · | Acquired | (price as of 2026-10-06) |
| Sept. 10, 2025 | AMBA | S | 8,492 | $84.42 | $716,895 | 61,651 Direct | -12.11% | Disposed | -18.9% (price as of 2026-10-06) |
| March 5, 2025 | AMBA | A | 2,249 | · | · | 70,143 Direct | +3.31% | Acquired | (price as of 2026-10-06) |
| Feb. 28, 2025 | AMBA | A | 5,868 | · | · | 67,894 Direct | +9.46% | Acquired | (price as of 2026-10-06) |
| Feb. 28, 2025 | AMBA | A | 5,868 | · | · | 5,868 Direct | · | Acquired | (price as of 2026-10-06) |
| Sept. 3, 2024 | AMBA | M | 5,963 | $38.92 | $232,080 | 67,989 Direct | +9.61% | Acquired | 75.9% (price as of 2026-10-06) |
| Sept. 3, 2024 | AMBA | S | 5,963 | $57.56 | $343,230 | 62,026 Direct | -8.77% | Disposed | 18.9% (price as of 2026-10-06) |
| Sept. 3, 2024 | AMBA | M | 5,963 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| March 7, 2024 | AMBA | A | 726 | · | · | 62,026 Direct | +1.18% | Acquired | (price as of 2026-10-06) |
| Feb. 29, 2024 | AMBA | A | 7,740 | · | · | 61,300 Direct | +14.45% | Acquired | (price as of 2026-10-06) |
| Feb. 29, 2024 | AMBA | A | 7,740 | · | · | 7,740 Direct | · | Acquired | (price as of 2026-10-06) |
| June 15, 2023 | AMBA | A | 8,859 | · | · | 53,560 Direct | +19.82% | Acquired | (price as of 2026-10-06) |
| June 5, 2023 | AMBA | S | 8,984 | $76.80 | $689,971 | 44,701 Direct | -16.73% | Disposed | -10.9% (price as of 2026-10-06) |
| April 3, 2023 | AMBA | A | 4,651 | · | · | 4,651 Direct | · | Acquired | (price as of 2026-10-06) |
| March 15, 2023 | AMBA | M | 7,344 | · | · | 53,685 Direct | +15.85% | Acquired | (price as of 2026-10-06) |
| March 15, 2023 | AMBA | M | 8,538 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| March 15, 2023 | AMBA | M | 712 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| March 15, 2023 | AMBA | M | 294 | · | · | 1,174 Direct | -20.03% | Disposed | (price as of 2026-10-06) |
| March 15, 2023 | AMBA | M | 380 | · | · | 3,034 Direct | -11.13% | Disposed | (price as of 2026-10-06) |
| March 8, 2023 | AMBA | A | 903 | · | · | 46,341 Direct | +1.99% | Acquired | (price as of 2026-10-06) |
| March 2, 2023 | AMBA | A | 4,651 | · | · | 4,651 Direct | · | Acquired | (price as of 2026-10-06) |
| Dec. 16, 2022 | AMBA | M | 1,383 | · | · | 45,438 Direct | +3.14% | Acquired | (price as of 2026-10-06) |
| Dec. 16, 2022 | AMBA | M | 711 | · | · | 712 Direct | -49.96% | Disposed | (price as of 2026-10-06) |
| Dec. 16, 2022 | AMBA | M | 293 | · | · | 1,468 Direct | -16.64% | Disposed | (price as of 2026-10-06) |
| Dec. 16, 2022 | AMBA | M | 379 | · | · | 3,414 Direct | -9.99% | Disposed | (price as of 2026-10-06) |
| Sept. 16, 2022 | AMBA | M | 1,385 | · | · | 44,055 Direct | +3.25% | Acquired | (price as of 2026-10-06) |
| Sept. 16, 2022 | AMBA | M | 712 | · | · | 1,423 Direct | -33.35% | Disposed | (price as of 2026-10-06) |
| Sept. 16, 2022 | AMBA | M | 294 | · | · | 1,761 Direct | -14.31% | Disposed | (price as of 2026-10-06) |
| Sept. 16, 2022 | AMBA | M | 379 | · | · | 3,793 Direct | -9.08% | Disposed | (price as of 2026-10-06) |
| June 16, 2022 | AMBA | M | 1,383 | · | · | 42,670 Direct | +3.35% | Acquired | (price as of 2026-10-06) |
| June 16, 2022 | AMBA | M | 711 | · | · | 2,135 Direct | -24.98% | Disposed | (price as of 2026-10-06) |
| June 16, 2022 | AMBA | M | 293 | · | · | 2,055 Direct | -12.48% | Disposed | (price as of 2026-10-06) |
| June 16, 2022 | AMBA | M | 379 | · | · | 4,172 Direct | -8.33% | Disposed | (price as of 2026-10-06) |
| April 11, 2022 | AMBA | A | 4,551 | · | · | 4,551 Direct | · | Acquired | (price as of 2026-10-06) |
| April 11, 2022 | AMBA | A | 4,551 | · | · | 4,551 Direct | · | Acquired | (price as of 2026-10-06) |
| March 29, 2022 | AMBA | S | 8,000 | $104.22 | $833,760 | 41,287 Direct | -16.23% | Disposed | -34.3% (price as of 2026-10-06) |
| March 16, 2022 | AMBA | M | 18,698 | · | · | 49,287 Direct | +61.13% | Acquired | (price as of 2026-10-06) |
| March 16, 2022 | AMBA | M | 8,492 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| March 16, 2022 | AMBA | M | 708 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| March 16, 2022 | AMBA | M | 712 | · | · | 2,846 Direct | -20.01% | Disposed | (price as of 2026-10-06) |
| March 16, 2022 | AMBA | M | 294 | · | · | 2,348 Direct | -11.13% | Disposed | (price as of 2026-10-06) |
| March 8, 2022 | AMBA | A | 1,975 | · | · | 30,589 Direct | +6.90% | Acquired | (price as of 2026-10-06) |
| March 3, 2022 | AMBA | M | 5,241 | $9.99 | $52,358 | 47,855 Direct | +12.30% | Acquired | 585.2% (price as of 2026-10-06) |
| March 3, 2022 | AMBA | S | 5,241 | $96.31 | $504,761 | 42,614 Direct | -10.95% | Disposed | -28.9% (price as of 2026-10-06) |
| March 3, 2022 | AMBA | S | 14,000 | $97.14 | $1,359,960 | 28,614 Direct | -32.85% | Disposed | -29.5% (price as of 2026-10-06) |
| March 3, 2022 | AMBA | M | 5,241 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Dec. 16, 2021 | AMBA | M | 1,712 | · | · | 42,614 Direct | +4.19% | Acquired | (price as of 2026-10-06) |
| Dec. 16, 2021 | AMBA | M | 708 | · | · | 708 Direct | -50.00% | Disposed | (price as of 2026-10-06) |
| Dec. 16, 2021 | AMBA | M | 711 | · | · | 3,558 Direct | -16.65% | Disposed | (price as of 2026-10-06) |
| Dec. 16, 2021 | AMBA | M | 293 | · | · | 2,642 Direct | -9.98% | Disposed | (price as of 2026-10-06) |
| Dec. 3, 2021 | AMBA | M | 1,713 | · | · | 52,902 Direct | +3.35% | Acquired | (price as of 2026-10-06) |
| Dec. 3, 2021 | AMBA | S | 10,500 | $198.22 | $2,081,310 | 42,402 Direct | -19.85% | Disposed | -65.5% (price as of 2026-10-06) |
| Dec. 3, 2021 | AMBA | S | 1,500 | $199.04 | $298,560 | 40,902 Direct | -3.54% | Disposed | -65.6% (price as of 2026-10-06) |
| Sept. 16, 2021 | AMBA | M | 707 | · | · | 1,416 Direct | -33.30% | Disposed | (price as of 2026-10-06) |
| Sept. 16, 2021 | AMBA | M | 712 | · | · | 4,269 Direct | -14.29% | Disposed | (price as of 2026-10-06) |
| Sept. 16, 2021 | AMBA | M | 294 | · | · | 2,935 Direct | -9.10% | Disposed | (price as of 2026-10-06) |
| June 28, 2021 | AMBA | S | 5,951 | $104.09 | $619,440 | 51,189 Direct | -10.41% | Disposed | -34.2% (price as of 2026-10-06) |
| June 16, 2021 | AMBA | M | 2,991 | · | · | 57,140 Direct | +5.52% | Acquired | (price as of 2026-10-06) |
| June 16, 2021 | AMBA | M | 1,279 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| June 16, 2021 | AMBA | M | 708 | · | · | 2,123 Direct | -25.01% | Disposed | (price as of 2026-10-06) |
| June 16, 2021 | AMBA | M | 711 | · | · | 4,981 Direct | -12.49% | Disposed | (price as of 2026-10-06) |
| June 16, 2021 | AMBA | M | 293 | · | · | 3,229 Direct | -8.32% | Disposed | (price as of 2026-10-06) |
| March 16, 2021 | AMBA | M | 14,203 | · | · | 54,149 Direct | +35.56% | Acquired | (price as of 2026-10-06) |
| March 16, 2021 | AMBA | M | 13,148 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| March 16, 2021 | AMBA | M | 1,278 | · | · | 1,279 Direct | -49.98% | Disposed | (price as of 2026-10-06) |
| March 16, 2021 | AMBA | M | 708 | · | · | 2,831 Direct | -20.01% | Disposed | (price as of 2026-10-06) |
| March 16, 2021 | AMBA | M | 712 | · | · | 5,692 Direct | -11.12% | Disposed | (price as of 2026-10-06) |
| March 12, 2021 | AMBA | M | 8,289 | $8.82 | $73,109 | 48,235 Direct | +20.75% | Acquired | 676.1% (price as of 2026-10-06) |
| March 12, 2021 | AMBA | S | 5,452 | $111.60 | $608,443 | 42,783 Direct | -11.30% | Disposed | -38.7% (price as of 2026-10-06) |
| March 12, 2021 | AMBA | S | 2,837 | $113.13 | $320,950 | 39,946 Direct | -6.63% | Disposed | -39.5% (price as of 2026-10-06) |
| March 12, 2021 | AMBA | M | 5,927 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| March 12, 2021 | AMBA | M | 2,362 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| March 9, 2021 | AMBA | A | 875 | · | · | 39,946 Direct | +2.24% | Acquired | (price as of 2026-10-06) |
| March 4, 2021 | AMBA | A | 3,522 | · | · | 3,522 Direct | · | Acquired | (price as of 2026-10-06) |
| March 4, 2021 | AMBA | A | 3,522 | · | · | 3,522 Direct | · | Acquired | (price as of 2026-10-06) |
| Dec. 16, 2020 | AMBA | M | 2,696 | · | · | 39,071 Direct | +7.41% | Acquired | (price as of 2026-10-06) |
| Dec. 16, 2020 | AMBA | M | 1,278 | · | · | 2,557 Direct | -33.32% | Disposed | (price as of 2026-10-06) |
| Dec. 16, 2020 | AMBA | M | 707 | · | · | 3,539 Direct | -16.65% | Disposed | (price as of 2026-10-06) |
| Dec. 16, 2020 | AMBA | M | 711 | · | · | 6,404 Direct | -9.99% | Disposed | (price as of 2026-10-06) |
| Dec. 9, 2020 | AMBA | S | 6,027 | $89.16 | $537,367 | 36,375 Direct | -14.21% | Disposed | -23.2% (price as of 2026-10-06) |
| Sept. 16, 2020 | AMBA | M | 2,699 | · | · | 42,402 Direct | +6.80% | Acquired | (price as of 2026-10-06) |
| Sept. 16, 2020 | AMBA | M | 1,279 | · | · | 3,835 Direct | -25.01% | Disposed | (price as of 2026-10-06) |
| Sept. 16, 2020 | AMBA | M | 708 | · | · | 4,246 Direct | -14.29% | Disposed | (price as of 2026-10-06) |
| Sept. 16, 2020 | AMBA | M | 712 | · | · | 7,115 Direct | -9.10% | Disposed | (price as of 2026-10-06) |
| June 16, 2020 | AMBA | M | 2,697 | · | · | 39,703 Direct | +7.29% | Acquired | (price as of 2026-10-06) |
| June 16, 2020 | AMBA | M | 1,278 | · | · | 5,114 Direct | -19.99% | Disposed | (price as of 2026-10-06) |
| June 16, 2020 | AMBA | M | 708 | · | · | 4,954 Direct | -12.50% | Disposed | (price as of 2026-10-06) |
| June 16, 2020 | AMBA | M | 711 | · | · | 7,827 Direct | -8.33% | Disposed | (price as of 2026-10-06) |
| June 5, 2020 | AMBA | M | 5,555 | $8.82 | $48,995 | 42,561 Direct | +15.01% | Acquired | 676.1% (price as of 2026-10-06) |
| June 5, 2020 | AMBA | S | 5,555 | $55.82 | $310,080 | 37,006 Direct | -13.05% | Disposed | 22.6% (price as of 2026-10-06) |
| June 5, 2020 | AMBA | M | 5,555 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| March 27, 2020 | AMBA | A | 2,496 | · | · | 37,006 Direct | +7.23% | Acquired | (price as of 2026-10-06) |
| March 25, 2020 | AMBA | A | 8,538 | · | · | 8,538 Direct | · | Acquired | (price as of 2026-10-06) |
| March 25, 2020 | AMBA | A | 8,538 | · | · | 8,538 Direct | · | Acquired | (price as of 2026-10-06) |
Showing latest 100 of 256 transactions
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| March 17, 2026 | AMBA | Performance Stock Units | Ordinary Shares | · | March 15, 2026 | 4,651 | Disposed |
| March 2, 2026 | AMBA | Performance Stock Units | Ordinary Shares | · | March 15, 2029 | 7,220 | Acquired |
| Feb. 28, 2025 | AMBA | Performance Stock Units | Ordinary Shares | · | March 15, 2028 | 5,868 | Acquired |
| Sept. 3, 2024 | AMBA | Non-Qualified Stock Option (right to buy) | Ordinary Shares | $38.92 | Sept. 7, 2024 | 5,963 | Disposed |
| Feb. 29, 2024 | AMBA | Performance Stock Units | Ordinary Shares | · | · | 7,740 | Acquired |
| April 3, 2023 | AMBA | Performance Stock Units | Ordinary Shares | · | March 15, 2026 | 4,651 | Acquired |
| March 15, 2023 | AMBA | Performance Stock Units | Ordinary Shares | · | · | 8,538 | Disposed |
| March 15, 2023 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2023 | 712 | Disposed |
| March 15, 2023 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2024 | 294 | Disposed |
| March 15, 2023 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2025 | 380 | Disposed |
| March 2, 2023 | AMBA | Restricted Stock Units | Ordinary Shares | · | · | 4,651 | Acquired |
| Dec. 16, 2022 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2023 | 711 | Disposed |
| Dec. 16, 2022 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2024 | 293 | Disposed |
| Dec. 16, 2022 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2025 | 379 | Disposed |
| Sept. 16, 2022 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2023 | 712 | Disposed |
| Sept. 16, 2022 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2024 | 294 | Disposed |
| Sept. 16, 2022 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2025 | 379 | Disposed |
| June 16, 2022 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2023 | 711 | Disposed |
| June 16, 2022 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2024 | 293 | Disposed |
| June 16, 2022 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2025 | 379 | Disposed |
| April 11, 2022 | AMBA | Performance Stock Units | Ordinary Shares | · | March 15, 2025 | 4,551 | Acquired |
| April 11, 2022 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2025 | 4,551 | Acquired |
| March 16, 2022 | AMBA | Performance Stock Units | Ordinary Shares | · | March 15, 2022 | 8,492 | Disposed |
| March 16, 2022 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2022 | 708 | Disposed |
| March 16, 2022 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2023 | 712 | Disposed |
| March 16, 2022 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2024 | 294 | Disposed |
| March 3, 2022 | AMBA | Non-Qualified Stock Option (right to buy) | Ordinary Shares | $9.99 | July 9, 2022 | 5,241 | Disposed |
| Dec. 16, 2021 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2022 | 708 | Disposed |
| Dec. 16, 2021 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2023 | 711 | Disposed |
| Dec. 16, 2021 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2024 | 293 | Disposed |
| Sept. 16, 2021 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2022 | 707 | Disposed |
| Sept. 16, 2021 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2023 | 712 | Disposed |
| Sept. 16, 2021 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2024 | 294 | Disposed |
| June 16, 2021 | AMBA | Restricted Stock Units | Ordinary Shares | · | June 15, 2021 | 1,279 | Disposed |
| June 16, 2021 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2022 | 708 | Disposed |
| June 16, 2021 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2023 | 711 | Disposed |
| June 16, 2021 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2024 | 293 | Disposed |
| March 16, 2021 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2021 | 13,148 | Disposed |
| March 16, 2021 | AMBA | Restricted Stock Units | Ordinary Shares | · | June 15, 2021 | 1,278 | Disposed |
| March 16, 2021 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2022 | 708 | Disposed |
| March 16, 2021 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2023 | 712 | Disposed |
| March 12, 2021 | AMBA | Non-Qualified Stock Option (right to buy) | Ordinary Shares | $8.82 | Aug. 29, 2021 | 5,927 | Disposed |
| March 12, 2021 | AMBA | Non-Qualified Stock Option (right to buy) | Ordinary Shares | $8.82 | Aug. 30, 2021 | 2,362 | Disposed |
| March 4, 2021 | AMBA | Performance Stock Units | Ordinary Shares | · | March 15, 2024 | 3,522 | Acquired |
| March 4, 2021 | AMBA | Restricted Stock Units | Ordinary Shares | · | · | 3,522 | Acquired |
| Dec. 16, 2020 | AMBA | Restricted Stock Units | Ordinary Shares | · | June 15, 2021 | 1,278 | Disposed |
| Dec. 16, 2020 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2022 | 707 | Disposed |
| Dec. 16, 2020 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2023 | 711 | Disposed |
| Sept. 16, 2020 | AMBA | Restricted Stock Units | Ordinary Shares | · | June 15, 2021 | 1,279 | Disposed |
| Sept. 16, 2020 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2022 | 708 | Disposed |
| Sept. 16, 2020 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2023 | 712 | Disposed |
| June 16, 2020 | AMBA | Restricted Stock Units | Ordinary Shares | · | June 15, 2021 | 1,278 | Disposed |
| June 16, 2020 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2022 | 708 | Disposed |
| June 16, 2020 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2023 | 711 | Disposed |
| June 5, 2020 | AMBA | Non-Qualified Stock Option (right to buy) | Ordinary Shares | $8.82 | Nov. 2, 2020 | 5,555 | Disposed |
| March 25, 2020 | AMBA | Performance Stock Units | Ordinary Shares | · | · | 8,538 | Acquired |
| March 25, 2020 | AMBA | Restricted Stock Units | Ordinary Shares | · | · | 8,538 | Acquired |
| March 17, 2020 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2020 | 3,984 | Disposed |
| March 17, 2020 | AMBA | Restricted Stock Units | Ordinary Shares | · | June 15, 2021 | 1,278 | Disposed |
| March 17, 2020 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2022 | 707 | Disposed |
| Dec. 17, 2019 | AMBA | Restricted Stock Units | Ordinary Shares | · | June 15, 2021 | 1,279 | Disposed |
| Dec. 17, 2019 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2022 | 708 | Disposed |
| Sept. 17, 2019 | AMBA | Restricted Stock Units | Ordinary Shares | · | Sept. 15, 2019 | 930 | Disposed |
| Sept. 17, 2019 | AMBA | Restricted Stock Units | Ordinary Shares | · | June 15, 2021 | 1,278 | Disposed |
| Sept. 17, 2019 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2022 | 708 | Disposed |
| Sept. 17, 2019 | AMBA | Restricted Stock Units | Ordinary Shares | · | Oct. 7, 2025 | 354 | Disposed |
| Sept. 17, 2019 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 6, 2026 | 883 | Disposed |
| June 18, 2019 | AMBA | Restricted Stock Units | Ordinary Shares | · | Sept. 15, 2019 | 929 | Disposed |
| June 18, 2019 | AMBA | Restricted Stock Units | Ordinary Shares | · | June 15, 2021 | 1,278 | Disposed |
| June 18, 2019 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2022 | 707 | Disposed |
| June 18, 2019 | AMBA | Restricted Stock Units | Ordinary Shares | · | Oct. 7, 2025 | 353 | Disposed |
| June 18, 2019 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 6, 2026 | 883 | Disposed |
| March 19, 2019 | AMBA | Restricted Stock Units | Ordinary Shares | · | Sept. 15, 2019 | 930 | Disposed |
| March 19, 2019 | AMBA | Restricted Stock Units | Ordinary Shares | · | June 15, 2021 | 1,279 | Disposed |
| March 19, 2019 | AMBA | Restricted Stock Units | Ordinary Shares | · | Oct. 7, 2025 | 353 | Disposed |
| March 19, 2019 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 6, 2026 | 882 | Disposed |
| March 8, 2019 | AMBA | Non-Qualified Stock Option (right to buy) | Ordinary Shares | $3.20 | July 8, 2019 | 2,037 | Disposed |
| March 7, 2019 | AMBA | Performance Stock Units | Ordinary Shares | · | March 15, 2022 | 8,492 | Acquired |
| March 7, 2019 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2022 | 8,492 | Acquired |
| March 4, 2019 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2021 | 13,148 | Acquired |
| Dec. 18, 2018 | AMBA | Restricted Stock Units | Ordinary Shares | · | Sept. 15, 2019 | 929 | Disposed |
| Dec. 18, 2018 | AMBA | Restricted Stock Units | Ordinary Shares | · | June 15, 2021 | 1,278 | Disposed |
| Dec. 18, 2018 | AMBA | Restricted Stock Units | Ordinary Shares | · | Oct. 7, 2025 | 353 | Disposed |
| Dec. 18, 2018 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 6, 2026 | 883 | Disposed |
| Sept. 18, 2018 | AMBA | Restricted Stock Units | Ordinary Shares | · | Sept. 15, 2019 | 930 | Disposed |
| Sept. 18, 2018 | AMBA | Restricted Stock Units | Ordinary Shares | · | June 15, 2021 | 1,278 | Disposed |
| Sept. 18, 2018 | AMBA | Restricted Stock Units | Ordinary Shares | · | Sept. 7, 2024 | 1,160 | Disposed |
| Sept. 18, 2018 | AMBA | Restricted Stock Units | Ordinary Shares | · | Oct. 7, 2025 | 354 | Disposed |
| Sept. 18, 2018 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 6, 2026 | 882 | Disposed |
| June 18, 2018 | AMBA | Restricted Stock Units | Ordinary Shares | · | Sept. 15, 2019 | 929 | Disposed |
| June 18, 2018 | AMBA | Restricted Stock Units | Ordinary Shares | · | Sept. 7, 2024 | 1,159 | Disposed |
| June 18, 2018 | AMBA | Restricted Stock Units | Ordinary Shares | · | Oct. 7, 2025 | 353 | Disposed |
| June 18, 2018 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 6, 2026 | 883 | Disposed |
| June 7, 2018 | AMBA | Restricted Stock Units | Ordinary Shares | · | June 15, 2021 | 15,340 | Acquired |
| March 16, 2018 | AMBA | Restricted Stock Units | Ordinary Shares | · | Sept. 15, 2019 | 930 | Disposed |
| March 16, 2018 | AMBA | Restricted Stock Units | Ordinary Shares | · | Sept. 7, 2024 | 1,160 | Disposed |
| March 16, 2018 | AMBA | Restricted Stock Units | Ordinary Shares | · | Oct. 7, 2025 | 353 | Disposed |
| March 16, 2018 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 6, 2026 | 882 | Disposed |
| Feb. 26, 2018 | AMBA | Restricted Stock Units | Ordinary Shares | · | · | 3,984 | Acquired |
| Dec. 18, 2017 | AMBA | Restricted Stock Units | Ordinary Shares | · | Sept. 15, 2019 | 929 | Disposed |
Showing latest 100 of 172 transactions
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 8 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| March 17, 2014 | AMBA | Stock Option (right to buy) | 2,037 | Direct |
| March 17, 2014 | AMBA | Stock Option (right to buy) | 5,555 | Direct |
| March 17, 2014 | AMBA | Stock Option (right to buy) | 5,927 | Direct |
| March 17, 2014 | AMBA | Stock Option (right to buy) | 2,362 | Direct |
| March 17, 2014 | AMBA | Stock Option (right to buy) | 11,575 | Direct |
| March 17, 2014 | AMBA | Restricted Stock Unit | 9,000 | Direct |
| March 17, 2014 | AMBA | Restricted Stock Unit | 5,834 | Direct |
| March 17, 2014 | AMBA | Restricted Stock Unit | 19,688 | Direct |