Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 54 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

54 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs 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)
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)
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 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)
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 9, 2023 AMBA S 358 $82.25 $29,446 17,096 Direct -2.05% Disposed -16.5% (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 S 663 $83.77 $55,540 19,039 Direct -3.37% Disposed -18.0% (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 S 670 $63.25 $42,378 20,731 Direct -3.13% Disposed 8.5% (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)
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 14, 2022 AMBA S 713 $84.42 $60,191 9,042 Direct -7.31% Disposed -18.7% (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 S 890 $188.86 $168,085 8,617 Direct -9.36% Disposed -63.7% (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 S 832 $192.69 $160,318 11,389 Direct -6.81% Disposed -64.4% (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 S 1,445 $101.39 $146,509 11,286 Direct -11.35% Disposed -32.3% (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 S 5,616 $112.00 $628,992 16,187 Direct -25.76% Disposed -38.7% (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)

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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Feb. 29, 2024 AMBA Performance Stock Units Ordinary Shares (7,284) · · 7,284 Acquired
April 3, 2023 AMBA Performance Stock Units Ordinary Shares (4,377) · March 15, 2026 4,377 Acquired
March 15, 2023 AMBA Performance Stock Units Ordinary Shares (8,055) · · 8,055 Disposed
March 15, 2023 AMBA Restricted Stock Units Ordinary Shares (672) · March 15, 2023 672 Disposed
March 15, 2023 AMBA Restricted Stock Units Ordinary Shares (275) · March 15, 2024 275 Disposed
March 15, 2023 AMBA Restricted Stock Units Ordinary Shares (357) · March 15, 2025 357 Disposed
March 2, 2023 AMBA Restricted Stock Units Ordinary Shares (4,377) · · 4,377 Acquired
Dec. 16, 2022 AMBA Restricted Stock Units Ordinary Shares (671) · March 15, 2023 671 Disposed
Dec. 16, 2022 AMBA Restricted Stock Units Ordinary Shares (275) · March 15, 2024 275 Disposed
Dec. 16, 2022 AMBA Restricted Stock Units Ordinary Shares (358) · March 15, 2025 358 Disposed
Sept. 16, 2022 AMBA Restricted Stock Units Ordinary Shares (671) · March 15, 2023 671 Disposed
Sept. 16, 2022 AMBA Restricted Stock Units Ordinary Shares (276) · March 15, 2024 276 Disposed
Sept. 16, 2022 AMBA Restricted Stock Units Ordinary Shares (358) · March 15, 2025 358 Disposed
June 16, 2022 AMBA Restricted Stock Units Ordinary Shares (671) · March 15, 2023 671 Disposed
June 16, 2022 AMBA Restricted Stock Units Ordinary Shares (275) · March 15, 2024 275 Disposed
June 16, 2022 AMBA Restricted Stock Units Ordinary Shares (357) · March 15, 2025 357 Disposed
April 11, 2022 AMBA Performance Stock Units Ordinary Shares (4,292) · March 15, 2025 4,292 Acquired
April 11, 2022 AMBA Restricted Stock Units Ordinary Shares (4,292) · March 15, 2025 4,292 Acquired
March 16, 2022 AMBA Performance Stock Units Ordinary Shares (8,011) · March 15, 2022 8,011 Disposed
March 16, 2022 AMBA Restricted Stock Units Ordinary Shares (0) · March 15, 2022 668 Disposed
March 16, 2022 AMBA Restricted Stock Units Ordinary Shares (672) · March 15, 2023 672 Disposed
March 16, 2022 AMBA Restricted Stock Units Ordinary Shares (275) · March 15, 2024 275 Disposed
Dec. 16, 2021 AMBA Restricted Stock Units Ordinary Shares (668) · March 15, 2022 668 Disposed
Dec. 16, 2021 AMBA Restricted Stock Units Ordinary Shares (671) · March 15, 2023 671 Disposed
Dec. 16, 2021 AMBA Restricted Stock Units Ordinary Shares (275) · March 15, 2024 275 Disposed
Sept. 16, 2021 AMBA Restricted Stock Units Ordinary Shares (667) · March 15, 2022 667 Disposed
Sept. 16, 2021 AMBA Restricted Stock Units Ordinary Shares (671) · March 15, 2023 671 Disposed
Sept. 16, 2021 AMBA Restricted Stock Units Ordinary Shares (275) · March 15, 2024 275 Disposed
June 16, 2021 AMBA Restricted Stock Units Ordinary Shares (1,212) · June 15, 2021 1,212 Disposed
June 16, 2021 AMBA Restricted Stock Units Ordinary Shares (668) · March 15, 2022 668 Disposed
June 16, 2021 AMBA Restricted Stock Units Ordinary Shares (671) · March 15, 2023 671 Disposed
June 16, 2021 AMBA Restricted Stock Units Ordinary Shares (275) · March 15, 2024 275 Disposed
March 16, 2021 AMBA Restricted Stock Units Ordinary Shares (12,456) · March 15, 2021 12,456 Disposed
March 16, 2021 AMBA Restricted Stock Units Ordinary Shares (1,211) · June 15, 2021 1,211 Disposed
March 16, 2021 AMBA Restricted Stock Units Ordinary Shares (667) · March 15, 2022 667 Disposed
March 16, 2021 AMBA Restricted Stock Units Ordinary Shares (672) · March 15, 2023 672 Disposed
March 4, 2021 AMBA Performance Stock Units Ordinary Shares (3,302) · March 15, 2024 3,302 Acquired
March 4, 2021 AMBA Restricted Stock Units Ordinary Shares (3,302) · · 3,302 Acquired
Dec. 16, 2020 AMBA Restricted Stock Units Ordinary Shares (1,211) · June 15, 2021 1,211 Disposed
Dec. 16, 2020 AMBA Restricted Stock Units Ordinary Shares (668) · March 15, 2022 668 Disposed
Dec. 16, 2020 AMBA Restricted Stock Units Ordinary Shares (671) · March 15, 2023 671 Disposed
Dec. 8, 2020 AMBA Non-Qualified Stock Option (right to buy) Ordinary Shares (1,300) $38.92 Sept. 7, 2024 1,300 Disposed
Nov. 30, 2020 AMBA Non-Qualified Stock Option (right to buy) Ordinary Shares (1,000) $38.92 Sept. 7, 2024 1,000 Disposed
Sept. 16, 2020 AMBA Restricted Stock Units Ordinary Shares (1,211) · June 15, 2021 1,211 Disposed
Sept. 16, 2020 AMBA Restricted Stock Units Ordinary Shares (668) · March 15, 2022 668 Disposed
Sept. 16, 2020 AMBA Restricted Stock Units Ordinary Shares (671) · March 15, 2023 671 Disposed
June 16, 2020 AMBA Restricted Stock Units Ordinary Shares (1,211) · June 15, 2021 1,211 Disposed
June 16, 2020 AMBA Restricted Stock Units Ordinary Shares (667) · March 15, 2022 667 Disposed
June 16, 2020 AMBA Restricted Stock Units Ordinary Shares (671) · March 15, 2023 671 Disposed
March 25, 2020 AMBA Performance Stock Units Ordinary Shares (8,055) · · 8,055 Acquired
March 25, 2020 AMBA Restricted Stock Units Ordinary Shares (8,055) · · 8,055 Acquired
March 17, 2020 AMBA Restricted Stock Units Ordinary Shares (3,758) · March 15, 2020 3,758 Disposed
March 17, 2020 AMBA Restricted Stock Units Ordinary Shares (1,211) · June 15, 2021 1,211 Disposed
March 17, 2020 AMBA Restricted Stock Units Ordinary Shares (668) · March 15, 2022 668 Disposed
Dec. 17, 2019 AMBA Restricted Stock Units Ordinary Shares (1,211) · June 15, 2021 1,211 Disposed
Dec. 17, 2019 AMBA Restricted Stock Units Ordinary Shares (667) · March 15, 2022 667 Disposed
Sept. 30, 2019 AMBA Non-Qualified Stock Option (right to buy) Ordinary Shares (1,000) $38.92 Sept. 7, 2024 1,000 Disposed
Sept. 17, 2019 AMBA Restricted Stock Units Ordinary Shares (877) · Sept. 15, 2019 877 Disposed
Sept. 17, 2019 AMBA Restricted Stock Units Ordinary Shares (1,211) · June 15, 2021 1,211 Disposed
Sept. 17, 2019 AMBA Restricted Stock Units Ordinary Shares (668) · March 15, 2022 668 Disposed
June 18, 2019 AMBA Restricted Stock Units Ordinary Shares (877) · Sept. 15, 2019 877 Disposed
June 18, 2019 AMBA Restricted Stock Units Ordinary Shares (1,211) · June 15, 2021 1,211 Disposed
June 18, 2019 AMBA Restricted Stock Units Ordinary Shares (667) · March 15, 2022 667 Disposed
March 19, 2019 AMBA Restricted Stock Units Ordinary Shares (877) · Sept. 15, 2019 877 Disposed
March 19, 2019 AMBA Restricted Stock Units Ordinary Shares (1,211) · June 15, 2021 1,211 Disposed
March 7, 2019 AMBA Performance Stock Units Ordinary Shares (8,011) · March 15, 2022 8,011 Acquired
March 7, 2019 AMBA Restricted Stock Units Ordinary Shares (8,011) · March 15, 2022 8,011 Acquired
March 4, 2019 AMBA Restricted Stock Units Ordinary Shares (12,456) · March 15, 2021 12,456 Acquired
Dec. 18, 2018 AMBA Restricted Stock Units Ordinary Shares (877) · Sept. 15, 2019 877 Disposed
Dec. 18, 2018 AMBA Restricted Stock Units Ordinary Shares (1,211) · June 15, 2021 1,211 Disposed
Sept. 18, 2018 AMBA Restricted Stock Units Ordinary Shares (877) · Sept. 15, 2019 877 Disposed
Sept. 18, 2018 AMBA Restricted Stock Units Ordinary Shares (1,211) · June 15, 2021 1,211 Disposed
Sept. 18, 2018 AMBA Restricted Stock Units Ordinary Shares (963) · Sept. 7, 2024 963 Disposed
June 18, 2018 AMBA Restricted Stock Units Ordinary Shares (877) · Sept. 15, 2019 877 Disposed
June 18, 2018 AMBA Restricted Stock Units Ordinary Shares (962) · Sept. 7, 2024 962 Disposed
June 7, 2018 AMBA Restricted Stock Units Ordinary Shares (14,533) · June 15, 2021 14,533 Acquired
March 16, 2018 AMBA Restricted Stock Units Ordinary Shares (877) · Sept. 15, 2019 877 Disposed
March 16, 2018 AMBA Restricted Stock Units Ordinary Shares (963) · Sept. 7, 2024 963 Disposed
Feb. 26, 2018 AMBA Restricted Stock Units Ordinary Shares (3,758) · · 3,758 Acquired
Dec. 18, 2017 AMBA Restricted Stock Units Ordinary Shares (877) · Sept. 15, 2019 877 Disposed
Dec. 18, 2017 AMBA Restricted Stock Units Ordinary Shares (962) · Sept. 7, 2024 962 Disposed
Sept. 18, 2017 AMBA Restricted Stock Units Ordinary Shares (877) · Sept. 15, 2019 877 Disposed
Sept. 18, 2017 AMBA Restricted Stock Units Ordinary Shares (1,094) · Aug. 27, 2023 1,094 Disposed
Sept. 18, 2017 AMBA Restricted Stock Units Ordinary Shares (963) · Sept. 7, 2024 963 Disposed
June 16, 2017 AMBA Restricted Stock Units Ordinary Shares (876) · Sept. 15, 2019 876 Disposed
June 16, 2017 AMBA Restricted Stock Units Ordinary Shares (1,094) · Aug. 27, 2023 1,094 Disposed
June 16, 2017 AMBA Restricted Stock Units Ordinary Shares (962) · Sept. 7, 2024 962 Disposed
March 28, 2017 AMBA Restricted Stock Units Ordinary Shares (8,769) · · 8,769 Acquired
March 16, 2017 AMBA Restricted Stock Units Ordinary Shares (1,094) · Aug. 27, 2023 1,094 Disposed
March 16, 2017 AMBA Restricted Stock Units Ordinary Shares (963) · Sept. 7, 2024 963 Disposed
March 13, 2017 AMBA Non-Qualified Stock Option (right to buy) Ordinary Shares (1,071) $9.99 July 9, 2022 1,071 Disposed
Dec. 16, 2016 AMBA Restricted Stock Units Ordinary Shares (1,093) · Aug. 27, 2023 1,093 Disposed
Dec. 16, 2016 AMBA Restricted Stock Units Ordinary Shares (962) · Sept. 7, 2024 962 Disposed
Sept. 29, 2016 AMBA Non-Qualified Stock Option (right to buy) Ordinary Shares (1,000) $9.99 July 9, 2022 1,000 Disposed
Sept. 29, 2016 AMBA Non-Qualified Stock Option (right to buy) Ordinary Shares (1,063) $38.92 Sept. 7, 2024 1,063 Disposed
Sept. 28, 2016 AMBA Non-Qualified Stock Option (right to buy) Ordinary Shares (2,000) $9.99 July 9, 2022 2,000 Disposed
Sept. 28, 2016 AMBA Non-Qualified Stock Option (right to buy) Ordinary Shares (1,000) $38.92 Sept. 7, 2024 1,000 Disposed
Sept. 27, 2016 AMBA Non-Qualified Stock Option (right to buy) Ordinary Shares (926) $8.82 Aug. 29, 2021 926 Disposed
Sept. 21, 2016 AMBA Non-Qualified Stock Option (right to buy) Ordinary Shares (2,000) $9.99 July 9, 2022 2,000 Disposed
Sept. 16, 2016 AMBA Restricted Stock Units Ordinary Shares (556) · 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

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
Oct. 9, 2012 AMBA Stock Option (right to buy)→ Ordinary Shares (100,000) 100,000 Direct
Oct. 9, 2012 AMBA Stock Option (right to buy)→ Ordinary Shares (8,888) 8,888 Direct
Oct. 9, 2012 AMBA Stock Option (right to buy)→ Odinary Shares (22,222) 22,222 Direct
Oct. 9, 2012 AMBA Stock Option (right to buy)→ Ordinary Shares (17,777) 17,777 Direct
Oct. 9, 2012 AMBA Restricted Stock Units→ Ordinary Shares (8,889) 8,889 Direct