Christopher Day
First SEC filing: Oct. 9, 2012 · Latest: Feb. 17, 2017
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 |
|---|---|---|---|---|---|---|---|---|---|
| June 17, 2025 | AMBA | S | 342 | $52.26 | $17,873 | 15,099 Direct | -2.21% | Disposed | 31.4% (price as of 2026-10-02) |
| March 18, 2025 | AMBA | S | 479 | $55.02 | $26,355 | 15,441 Direct | -3.01% | Disposed | 24.8% (price as of 2026-10-02) |
| March 6, 2025 | AMBA | S | 834 | $55.11 | $45,962 | 15,686 Direct | -5.05% | Disposed | 24.6% (price as of 2026-10-02) |
| March 5, 2025 | AMBA | A | 1,990 | · | · | 16,520 Direct | +13.70% | Acquired | (price as of 2026-10-02) |
| Jan. 3, 2025 | AMBA | S | 1,247 | $78.10 | $97,391 | 14,530 Direct | -7.90% | Disposed | -12.1% (price as of 2026-10-02) |
| Dec. 18, 2024 | AMBA | S | 81 | $75.41 | $6,108 | 16,625 Direct | -0.48% | Disposed | -9.0% (price as of 2026-10-02) |
| Dec. 18, 2024 | AMBA | S | 848 | $75.40 | $63,939 | 15,777 Direct | -5.10% | Disposed | -9.0% (price as of 2026-10-02) |
| Dec. 16, 2024 | AMBA | S | 482 | $75.41 | $36,348 | 16,706 Direct | -2.80% | Disposed | -9.0% (price as of 2026-10-02) |
| Dec. 2, 2024 | AMBA | S | 1,278 | $71.61 | $91,518 | 17,188 Direct | -6.92% | Disposed | -4.1% (price as of 2026-10-02) |
| Oct. 3, 2024 | AMBA | S | 2,904 | $58.00 | $168,432 | 18,466 Direct | -13.59% | Disposed | 18.4% (price as of 2026-10-02) |
| Sept. 17, 2024 | AMBA | S | 483 | $53.54 | $25,860 | 21,370 Direct | -2.21% | Disposed | 28.2% (price as of 2026-10-02) |
| July 8, 2024 | AMBA | S | 1,408 | $61.66 | $86,817 | 21,599 Direct | -6.12% | Disposed | 11.3% (price as of 2026-10-02) |
| June 18, 2024 | AMBA | S | 487 | $55.48 | $27,019 | 23,007 Direct | -2.07% | Disposed | 23.7% (price as of 2026-10-02) |
| March 18, 2024 | AMBA | S | 416 | $49.27 | $20,496 | 23,494 Direct | -1.74% | Disposed | 39.3% (price as of 2026-10-02) |
| March 8, 2024 | AMBA | S | 302 | $57.16 | $17,262 | 23,692 Direct | -1.26% | Disposed | 20.1% (price as of 2026-10-02) |
| March 7, 2024 | AMBA | A | 726 | · | · | 23,994 Direct | +3.12% | Acquired | (price as of 2026-10-02) |
| Feb. 29, 2024 | AMBA | A | 7,284 | · | · | 23,268 Direct | +45.57% | Acquired | (price as of 2026-10-02) |
| Feb. 29, 2024 | AMBA | A | 7,284 | · | · | 7,284 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 19, 2023 | AMBA | S | 360 | $63.04 | $22,694 | 15,984 Direct | -2.20% | Disposed | 8.9% (price as of 2026-10-02) |
| Sept. 18, 2023 | AMBA | S | 351 | $57.30 | $20,112 | 16,344 Direct | -2.10% | Disposed | 19.8% (price as of 2026-10-02) |
| July 12, 2023 | AMBA | S | 2,285 | $82.50 | $188,512 | 16,532 Direct | -12.14% | Disposed | -16.8% (price as of 2026-10-02) |
| June 20, 2023 | AMBA | S | 354 | $84.80 | $30,019 | 18,817 Direct | -1.85% | Disposed | -19.0% (price as of 2026-10-02) |
| June 15, 2023 | AMBA | A | 8,340 | · | · | 19,171 Direct | +77.00% | Acquired | (price as of 2026-10-02) |
| June 13, 2023 | AMBA | S | 3,000 | $86.94 | $260,820 | 10,831 Direct | -21.69% | Disposed | -21.0% (price as of 2026-10-02) |
| June 9, 2023 | AMBA | S | 4,286 | $82.97 | $355,609 | 13,831 Direct | -23.66% | Disposed | -17.3% (price as of 2026-10-02) |
| April 13, 2023 | AMBA | S | 3,675 | $69.24 | $254,457 | 18,117 Direct | -16.86% | Disposed | -0.9% (price as of 2026-10-02) |
| April 3, 2023 | AMBA | A | 4,377 | · | · | 4,377 Direct | · | Acquired | (price as of 2026-10-02) |
| March 17, 2023 | AMBA | S | 2,420 | $76.85 | $185,977 | 21,792 Direct | -10.00% | Disposed | -10.7% (price as of 2026-10-02) |
| March 15, 2023 | AMBA | M | 6,925 | · | · | 24,212 Direct | +40.06% | Acquired | (price as of 2026-10-02) |
| March 15, 2023 | AMBA | M | 8,055 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 15, 2023 | AMBA | M | 672 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 15, 2023 | AMBA | M | 275 | · | · | 1,101 Direct | -19.99% | Disposed | (price as of 2026-10-02) |
| March 15, 2023 | AMBA | M | 357 | · | · | 2,862 Direct | -11.09% | Disposed | (price as of 2026-10-02) |
| March 9, 2023 | AMBA | S | 358 | $82.25 | $29,446 | 17,096 Direct | -2.05% | Disposed | -16.5% (price as of 2026-10-02) |
| March 8, 2023 | AMBA | A | 867 | · | · | 17,454 Direct | +5.23% | Acquired | (price as of 2026-10-02) |
| March 2, 2023 | AMBA | A | 4,377 | · | · | 4,377 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 20, 2022 | AMBA | S | 2,214 | $81.57 | $180,596 | 16,825 Direct | -11.63% | Disposed | -15.8% (price as of 2026-10-02) |
| Dec. 20, 2022 | AMBA | S | 238 | $81.82 | $19,473 | 16,587 Direct | -1.41% | Disposed | -16.1% (price as of 2026-10-02) |
| Dec. 16, 2022 | AMBA | M | 1,304 | · | · | 19,702 Direct | +7.09% | Acquired | (price as of 2026-10-02) |
| Dec. 16, 2022 | AMBA | S | 663 | $83.77 | $55,540 | 19,039 Direct | -3.37% | Disposed | -18.0% (price as of 2026-10-02) |
| Dec. 16, 2022 | AMBA | M | 671 | · | · | 672 Direct | -49.96% | Disposed | (price as of 2026-10-02) |
| Dec. 16, 2022 | AMBA | M | 275 | · | · | 1,376 Direct | -16.66% | Disposed | (price as of 2026-10-02) |
| Dec. 16, 2022 | AMBA | M | 358 | · | · | 3,219 Direct | -10.01% | Disposed | (price as of 2026-10-02) |
| Dec. 14, 2022 | AMBA | S | 333 | $90.82 | $30,243 | 20,398 Direct | -1.61% | Disposed | -24.4% (price as of 2026-10-02) |
| Dec. 14, 2022 | AMBA | S | 2,000 | $90.82 | $181,640 | 18,398 Direct | -9.80% | Disposed | -24.4% (price as of 2026-10-02) |
| Sept. 16, 2022 | AMBA | M | 1,305 | · | · | 21,401 Direct | +6.49% | Acquired | (price as of 2026-10-02) |
| Sept. 16, 2022 | AMBA | S | 670 | $63.25 | $42,378 | 20,731 Direct | -3.13% | Disposed | 8.5% (price as of 2026-10-02) |
| Sept. 16, 2022 | AMBA | M | 671 | · | · | 1,343 Direct | -33.32% | Disposed | (price as of 2026-10-02) |
| Sept. 16, 2022 | AMBA | M | 276 | · | · | 1,651 Direct | -14.32% | Disposed | (price as of 2026-10-02) |
| Sept. 16, 2022 | AMBA | M | 358 | · | · | 3,577 Direct | -9.10% | Disposed | (price as of 2026-10-02) |
| June 16, 2022 | AMBA | M | 1,303 | · | · | 20,658 Direct | +6.73% | Acquired | (price as of 2026-10-02) |
| June 16, 2022 | AMBA | S | 704 | $66.27 | $46,654 | 19,954 Direct | -3.41% | Disposed | 3.6% (price as of 2026-10-02) |
| June 16, 2022 | AMBA | M | 671 | · | · | 2,014 Direct | -24.99% | Disposed | (price as of 2026-10-02) |
| June 16, 2022 | AMBA | M | 275 | · | · | 1,927 Direct | -12.49% | Disposed | (price as of 2026-10-02) |
| June 16, 2022 | AMBA | M | 357 | · | · | 3,935 Direct | -8.32% | Disposed | (price as of 2026-10-02) |
| April 11, 2022 | AMBA | A | 4,292 | · | · | 4,292 Direct | · | Acquired | (price as of 2026-10-02) |
| April 11, 2022 | AMBA | A | 4,292 | · | · | 4,292 Direct | · | Acquired | (price as of 2026-10-02) |
| March 16, 2022 | AMBA | M | 17,637 | · | · | 26,760 Direct | +193.32% | Acquired | (price as of 2026-10-02) |
| March 16, 2022 | AMBA | S | 7,405 | $91.20 | $675,336 | 19,355 Direct | -27.67% | Disposed | -24.7% (price as of 2026-10-02) |
| March 16, 2022 | AMBA | M | 8,011 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 16, 2022 | AMBA | M | 668 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 16, 2022 | AMBA | M | 672 | · | · | 2,685 Direct | -20.02% | Disposed | (price as of 2026-10-02) |
| March 16, 2022 | AMBA | M | 275 | · | · | 2,202 Direct | -11.10% | Disposed | (price as of 2026-10-02) |
| March 14, 2022 | AMBA | S | 713 | $84.42 | $60,191 | 9,042 Direct | -7.31% | Disposed | -18.7% (price as of 2026-10-02) |
| March 8, 2022 | AMBA | A | 1,862 | · | · | 9,755 Direct | +23.59% | Acquired | (price as of 2026-10-02) |
| Dec. 27, 2021 | AMBA | S | 724 | $205.00 | $148,420 | 7,893 Direct | -8.40% | Disposed | -66.5% (price as of 2026-10-02) |
| Dec. 16, 2021 | AMBA | M | 1,614 | · | · | 9,507 Direct | +20.45% | Acquired | (price as of 2026-10-02) |
| Dec. 16, 2021 | AMBA | S | 890 | $188.86 | $168,085 | 8,617 Direct | -9.36% | Disposed | -63.7% (price as of 2026-10-02) |
| Dec. 16, 2021 | AMBA | M | 668 | · | · | 668 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| Dec. 16, 2021 | AMBA | M | 671 | · | · | 3,357 Direct | -16.66% | Disposed | (price as of 2026-10-02) |
| Dec. 16, 2021 | AMBA | M | 275 | · | · | 2,477 Direct | -9.99% | Disposed | (price as of 2026-10-02) |
| Dec. 7, 2021 | AMBA | S | 2,522 | $205.00 | $517,010 | 8,867 Direct | -22.14% | Disposed | -66.5% (price as of 2026-10-02) |
| Dec. 7, 2021 | AMBA | S | 781 | $219.20 | $171,195 | 8,086 Direct | -8.81% | Disposed | -68.7% (price as of 2026-10-02) |
| Dec. 7, 2021 | AMBA | S | 193 | $198.00 | $38,214 | 7,893 Direct | -2.39% | Disposed | -65.3% (price as of 2026-10-02) |
| Dec. 3, 2021 | AMBA | M | 1,613 | · | · | 12,221 Direct | +15.21% | Acquired | (price as of 2026-10-02) |
| Dec. 3, 2021 | AMBA | S | 832 | $192.69 | $160,318 | 11,389 Direct | -6.81% | Disposed | -64.4% (price as of 2026-10-02) |
| Sept. 16, 2021 | AMBA | M | 667 | · | · | 1,336 Direct | -33.30% | Disposed | (price as of 2026-10-02) |
| Sept. 16, 2021 | AMBA | M | 671 | · | · | 4,028 Direct | -14.28% | Disposed | (price as of 2026-10-02) |
| Sept. 16, 2021 | AMBA | M | 275 | · | · | 2,752 Direct | -9.08% | Disposed | (price as of 2026-10-02) |
| June 29, 2021 | AMBA | S | 786 | $108.00 | $84,888 | 10,500 Direct | -6.96% | Disposed | -36.4% (price as of 2026-10-02) |
| June 16, 2021 | AMBA | M | 2,826 | · | · | 12,731 Direct | +28.53% | Acquired | (price as of 2026-10-02) |
| June 16, 2021 | AMBA | S | 1,445 | $101.39 | $146,509 | 11,286 Direct | -11.35% | Disposed | -32.3% (price as of 2026-10-02) |
| June 16, 2021 | AMBA | M | 1,212 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 16, 2021 | AMBA | M | 668 | · | · | 2,003 Direct | -25.01% | Disposed | (price as of 2026-10-02) |
| June 16, 2021 | AMBA | M | 671 | · | · | 4,699 Direct | -12.50% | Disposed | (price as of 2026-10-02) |
| June 16, 2021 | AMBA | M | 275 | · | · | 3,027 Direct | -8.33% | Disposed | (price as of 2026-10-02) |
| June 14, 2021 | AMBA | S | 1,412 | $105.00 | $148,260 | 9,905 Direct | -12.48% | Disposed | -34.6% (price as of 2026-10-02) |
| March 31, 2021 | AMBA | S | 285 | $99.82 | $28,449 | 11,317 Direct | -2.46% | Disposed | -31.2% (price as of 2026-10-02) |
| March 17, 2021 | AMBA | S | 2,000 | $112.00 | $224,000 | 14,187 Direct | -12.36% | Disposed | -38.7% (price as of 2026-10-02) |
| March 17, 2021 | AMBA | S | 2,585 | $108.00 | $279,180 | 11,602 Direct | -18.22% | Disposed | -36.4% (price as of 2026-10-02) |
| March 16, 2021 | AMBA | M | 13,449 | · | · | 21,803 Direct | +160.99% | Acquired | (price as of 2026-10-02) |
| March 16, 2021 | AMBA | S | 5,616 | $112.00 | $628,992 | 16,187 Direct | -25.76% | Disposed | -38.7% (price as of 2026-10-02) |
| March 16, 2021 | AMBA | M | 12,456 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 16, 2021 | AMBA | M | 1,211 | · | · | 1,212 Direct | -49.98% | Disposed | (price as of 2026-10-02) |
| March 16, 2021 | AMBA | M | 667 | · | · | 2,671 Direct | -19.98% | Disposed | (price as of 2026-10-02) |
| March 16, 2021 | AMBA | M | 672 | · | · | 5,370 Direct | -11.12% | Disposed | (price as of 2026-10-02) |
| March 9, 2021 | AMBA | A | 848 | · | · | 8,964 Direct | +10.45% | Acquired | (price as of 2026-10-02) |
| March 9, 2021 | AMBA | S | 350 | $109.70 | $38,395 | 8,614 Direct | -3.90% | Disposed | -37.4% (price as of 2026-10-02) |
| March 4, 2021 | AMBA | A | 3,302 | · | · | 3,302 Direct | · | Acquired | (price as of 2026-10-02) |
| March 4, 2021 | AMBA | A | 3,302 | · | · | 3,302 Direct | · | Acquired | (price as of 2026-10-02) |
Showing latest 100 of 407 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 |
|---|---|---|---|---|---|---|---|
| Feb. 29, 2024 | AMBA | Performance Stock Units | Ordinary Shares | · | · | 7,284 | Acquired |
| April 3, 2023 | AMBA | Performance Stock Units | Ordinary Shares | · | March 15, 2026 | 4,377 | Acquired |
| March 15, 2023 | AMBA | Performance Stock Units | Ordinary Shares | · | · | 8,055 | Disposed |
| March 15, 2023 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2023 | 672 | Disposed |
| March 15, 2023 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2024 | 275 | Disposed |
| March 15, 2023 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2025 | 357 | Disposed |
| March 2, 2023 | AMBA | Restricted Stock Units | Ordinary Shares | · | · | 4,377 | Acquired |
| Dec. 16, 2022 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2023 | 671 | Disposed |
| Dec. 16, 2022 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2024 | 275 | Disposed |
| Dec. 16, 2022 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2025 | 358 | Disposed |
| Sept. 16, 2022 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2023 | 671 | Disposed |
| Sept. 16, 2022 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2024 | 276 | Disposed |
| Sept. 16, 2022 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2025 | 358 | Disposed |
| June 16, 2022 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2023 | 671 | Disposed |
| June 16, 2022 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2024 | 275 | Disposed |
| June 16, 2022 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2025 | 357 | Disposed |
| April 11, 2022 | AMBA | Performance Stock Units | Ordinary Shares | · | March 15, 2025 | 4,292 | Acquired |
| April 11, 2022 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2025 | 4,292 | Acquired |
| March 16, 2022 | AMBA | Performance Stock Units | Ordinary Shares | · | March 15, 2022 | 8,011 | Disposed |
| March 16, 2022 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2022 | 668 | Disposed |
| March 16, 2022 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2023 | 672 | Disposed |
| March 16, 2022 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2024 | 275 | Disposed |
| Dec. 16, 2021 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2022 | 668 | Disposed |
| Dec. 16, 2021 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2023 | 671 | Disposed |
| Dec. 16, 2021 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2024 | 275 | Disposed |
| Sept. 16, 2021 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2022 | 667 | Disposed |
| Sept. 16, 2021 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2023 | 671 | Disposed |
| Sept. 16, 2021 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2024 | 275 | Disposed |
| June 16, 2021 | AMBA | Restricted Stock Units | Ordinary Shares | · | June 15, 2021 | 1,212 | Disposed |
| June 16, 2021 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2022 | 668 | Disposed |
| June 16, 2021 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2023 | 671 | Disposed |
| June 16, 2021 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2024 | 275 | Disposed |
| March 16, 2021 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2021 | 12,456 | Disposed |
| March 16, 2021 | AMBA | Restricted Stock Units | Ordinary Shares | · | June 15, 2021 | 1,211 | Disposed |
| March 16, 2021 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2022 | 667 | Disposed |
| March 16, 2021 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2023 | 672 | Disposed |
| March 4, 2021 | AMBA | Performance Stock Units | Ordinary Shares | · | March 15, 2024 | 3,302 | Acquired |
| March 4, 2021 | AMBA | Restricted Stock Units | Ordinary Shares | · | · | 3,302 | Acquired |
| Dec. 16, 2020 | AMBA | Restricted Stock Units | Ordinary Shares | · | June 15, 2021 | 1,211 | Disposed |
| Dec. 16, 2020 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2022 | 668 | Disposed |
| Dec. 16, 2020 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2023 | 671 | Disposed |
| Dec. 8, 2020 | AMBA | Non-Qualified Stock Option (right to buy) | Ordinary Shares | $38.92 | Sept. 7, 2024 | 1,300 | Disposed |
| Nov. 30, 2020 | AMBA | Non-Qualified Stock Option (right to buy) | Ordinary Shares | $38.92 | Sept. 7, 2024 | 1,000 | Disposed |
| Sept. 16, 2020 | AMBA | Restricted Stock Units | Ordinary Shares | · | June 15, 2021 | 1,211 | Disposed |
| Sept. 16, 2020 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2022 | 668 | Disposed |
| Sept. 16, 2020 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2023 | 671 | Disposed |
| June 16, 2020 | AMBA | Restricted Stock Units | Ordinary Shares | · | June 15, 2021 | 1,211 | Disposed |
| June 16, 2020 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2022 | 667 | Disposed |
| June 16, 2020 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2023 | 671 | Disposed |
| March 25, 2020 | AMBA | Performance Stock Units | Ordinary Shares | · | · | 8,055 | Acquired |
| March 25, 2020 | AMBA | Restricted Stock Units | Ordinary Shares | · | · | 8,055 | Acquired |
| March 17, 2020 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2020 | 3,758 | Disposed |
| March 17, 2020 | AMBA | Restricted Stock Units | Ordinary Shares | · | June 15, 2021 | 1,211 | Disposed |
| March 17, 2020 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2022 | 668 | Disposed |
| Dec. 17, 2019 | AMBA | Restricted Stock Units | Ordinary Shares | · | June 15, 2021 | 1,211 | Disposed |
| Dec. 17, 2019 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2022 | 667 | Disposed |
| Sept. 30, 2019 | AMBA | Non-Qualified Stock Option (right to buy) | Ordinary Shares | $38.92 | Sept. 7, 2024 | 1,000 | Disposed |
| Sept. 17, 2019 | AMBA | Restricted Stock Units | Ordinary Shares | · | Sept. 15, 2019 | 877 | Disposed |
| Sept. 17, 2019 | AMBA | Restricted Stock Units | Ordinary Shares | · | June 15, 2021 | 1,211 | Disposed |
| Sept. 17, 2019 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2022 | 668 | Disposed |
| June 18, 2019 | AMBA | Restricted Stock Units | Ordinary Shares | · | Sept. 15, 2019 | 877 | Disposed |
| June 18, 2019 | AMBA | Restricted Stock Units | Ordinary Shares | · | June 15, 2021 | 1,211 | Disposed |
| June 18, 2019 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2022 | 667 | Disposed |
| March 19, 2019 | AMBA | Restricted Stock Units | Ordinary Shares | · | Sept. 15, 2019 | 877 | Disposed |
| March 19, 2019 | AMBA | Restricted Stock Units | Ordinary Shares | · | June 15, 2021 | 1,211 | Disposed |
| March 7, 2019 | AMBA | Performance Stock Units | Ordinary Shares | · | March 15, 2022 | 8,011 | Acquired |
| March 7, 2019 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2022 | 8,011 | Acquired |
| March 4, 2019 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2021 | 12,456 | Acquired |
| Dec. 18, 2018 | AMBA | Restricted Stock Units | Ordinary Shares | · | Sept. 15, 2019 | 877 | Disposed |
| Dec. 18, 2018 | AMBA | Restricted Stock Units | Ordinary Shares | · | June 15, 2021 | 1,211 | Disposed |
| Sept. 18, 2018 | AMBA | Restricted Stock Units | Ordinary Shares | · | Sept. 15, 2019 | 877 | Disposed |
| Sept. 18, 2018 | AMBA | Restricted Stock Units | Ordinary Shares | · | June 15, 2021 | 1,211 | Disposed |
| Sept. 18, 2018 | AMBA | Restricted Stock Units | Ordinary Shares | · | Sept. 7, 2024 | 963 | Disposed |
| June 18, 2018 | AMBA | Restricted Stock Units | Ordinary Shares | · | Sept. 15, 2019 | 877 | Disposed |
| June 18, 2018 | AMBA | Restricted Stock Units | Ordinary Shares | · | Sept. 7, 2024 | 962 | Disposed |
| June 7, 2018 | AMBA | Restricted Stock Units | Ordinary Shares | · | June 15, 2021 | 14,533 | Acquired |
| March 16, 2018 | AMBA | Restricted Stock Units | Ordinary Shares | · | Sept. 15, 2019 | 877 | Disposed |
| March 16, 2018 | AMBA | Restricted Stock Units | Ordinary Shares | · | Sept. 7, 2024 | 963 | Disposed |
| Feb. 26, 2018 | AMBA | Restricted Stock Units | Ordinary Shares | · | · | 3,758 | Acquired |
| Dec. 18, 2017 | AMBA | Restricted Stock Units | Ordinary Shares | · | Sept. 15, 2019 | 877 | Disposed |
| Dec. 18, 2017 | AMBA | Restricted Stock Units | Ordinary Shares | · | Sept. 7, 2024 | 962 | Disposed |
| Sept. 18, 2017 | AMBA | Restricted Stock Units | Ordinary Shares | · | Sept. 15, 2019 | 877 | Disposed |
| Sept. 18, 2017 | AMBA | Restricted Stock Units | Ordinary Shares | · | Aug. 27, 2023 | 1,094 | Disposed |
| Sept. 18, 2017 | AMBA | Restricted Stock Units | Ordinary Shares | · | Sept. 7, 2024 | 963 | Disposed |
| June 16, 2017 | AMBA | Restricted Stock Units | Ordinary Shares | · | Sept. 15, 2019 | 876 | Disposed |
| June 16, 2017 | AMBA | Restricted Stock Units | Ordinary Shares | · | Aug. 27, 2023 | 1,094 | Disposed |
| June 16, 2017 | AMBA | Restricted Stock Units | Ordinary Shares | · | Sept. 7, 2024 | 962 | Disposed |
| March 28, 2017 | AMBA | Restricted Stock Units | Ordinary Shares | · | · | 8,769 | Acquired |
| March 16, 2017 | AMBA | Restricted Stock Units | Ordinary Shares | · | Aug. 27, 2023 | 1,094 | Disposed |
| March 16, 2017 | AMBA | Restricted Stock Units | Ordinary Shares | · | Sept. 7, 2024 | 963 | Disposed |
| March 13, 2017 | AMBA | Non-Qualified Stock Option (right to buy) | Ordinary Shares | $9.99 | July 9, 2022 | 1,071 | Disposed |
| Dec. 16, 2016 | AMBA | Restricted Stock Units | Ordinary Shares | · | Aug. 27, 2023 | 1,093 | Disposed |
| Dec. 16, 2016 | AMBA | Restricted Stock Units | Ordinary Shares | · | Sept. 7, 2024 | 962 | Disposed |
| Sept. 29, 2016 | AMBA | Non-Qualified Stock Option (right to buy) | Ordinary Shares | $9.99 | July 9, 2022 | 1,000 | Disposed |
| Sept. 29, 2016 | AMBA | Non-Qualified Stock Option (right to buy) | Ordinary Shares | $38.92 | Sept. 7, 2024 | 1,063 | Disposed |
| Sept. 28, 2016 | AMBA | Non-Qualified Stock Option (right to buy) | Ordinary Shares | $9.99 | July 9, 2022 | 2,000 | Disposed |
| Sept. 28, 2016 | AMBA | Non-Qualified Stock Option (right to buy) | Ordinary Shares | $38.92 | Sept. 7, 2024 | 1,000 | Disposed |
| Sept. 27, 2016 | AMBA | Non-Qualified Stock Option (right to buy) | Ordinary Shares | $8.82 | Aug. 29, 2021 | 926 | Disposed |
| Sept. 21, 2016 | AMBA | Non-Qualified Stock Option (right to buy) | Ordinary Shares | $9.99 | July 9, 2022 | 2,000 | Disposed |
| Sept. 16, 2016 | AMBA | Restricted Stock Units | Ordinary Shares | · | Aug. 27, 2022 | 556 | Disposed |
Showing latest 100 of 170 transactions
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 5 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Oct. 9, 2012 | AMBA | Stock Option (right to buy) | 100,000 | Direct |
| Oct. 9, 2012 | AMBA | Stock Option (right to buy) | 8,888 | Direct |
| Oct. 9, 2012 | AMBA | Stock Option (right to buy) | 22,222 | Direct |
| Oct. 9, 2012 | AMBA | Stock Option (right to buy) | 17,777 | Direct |
| Oct. 9, 2012 | AMBA | Restricted Stock Units | 8,889 | Direct |