Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 76 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

76 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
March 16, 2022 AMBA S 17,441 $91.20 $1,590,619 73,259 Direct -19.23% Disposed -24.7% (price as of 2026-10-02)
March 16, 2022 AMBA S 1,193 · · 4,774 Direct -19.99% Disposed (price as of 2026-10-02)
March 14, 2022 AMBA S 702 $84.42 $59,263 53,072 Direct -1.31% Disposed -18.7% (price as of 2026-10-02)
Dec. 16, 2021 AMBA S 5,035 $188.85 $950,860 51,912 Direct -8.84% Disposed -63.6% (price as of 2026-10-02)
Dec. 3, 2021 AMBA S 4,716 $192.68 $908,679 47,804 Direct -8.98% Disposed -64.4% (price as of 2026-10-02)
Sept. 3, 2021 AMBA S 10b5-1 1,900 $130.95 $248,805 51,475 Direct -3.56% Disposed -47.6% (price as of 2026-10-02)
Sept. 3, 2021 AMBA S 10b5-1 1,311 $132.34 $173,498 50,164 Direct -2.55% Disposed -48.1% (price as of 2026-10-02)
Sept. 3, 2021 AMBA S 10b5-1 3,141 $133.54 $419,449 47,023 Direct -6.26% Disposed -48.6% (price as of 2026-10-02)
Sept. 3, 2021 AMBA S 10b5-1 2,678 $134.47 $360,111 44,345 Direct -5.70% Disposed -48.9% (price as of 2026-10-02)
Sept. 3, 2021 AMBA S 10b5-1 970 $135.23 $131,173 43,375 Direct -2.19% Disposed -49.2% (price as of 2026-10-02)
June 16, 2021 AMBA S 4,671 $101.39 $473,593 53,375 Direct -8.05% Disposed -32.3% (price as of 2026-10-02)
March 16, 2021 AMBA S 3,301 $112.00 $369,712 48,903 Direct -6.32% Disposed -38.7% (price as of 2026-10-02)
March 9, 2021 AMBA S 663 $109.70 $72,731 43,342 Direct -1.51% Disposed -37.4% (price as of 2026-10-02)
Dec. 16, 2020 AMBA S 4,405 $90.25 $397,551 42,233 Direct -9.45% Disposed -23.9% (price as of 2026-10-02)
Sept. 16, 2020 AMBA S 4,336 $53.18 $230,588 38,008 Direct -10.24% Disposed 29.1% (price as of 2026-10-02)
June 16, 2020 AMBA S 3,101 $52.13 $161,655 33,388 Direct -8.50% Disposed 31.7% (price as of 2026-10-02)
March 27, 2020 AMBA S 1,753 $47.81 $83,811 27,859 Direct -5.92% Disposed 43.6% (price as of 2026-10-02)
March 17, 2020 AMBA S 3,244 $38.99 $126,484 24,780 Direct -11.58% Disposed 76.1% (price as of 2026-10-02)
Dec. 17, 2019 AMBA S 3,631 $56.31 $204,462 20,394 Direct -15.11% Disposed 21.9% (price as of 2026-10-02)
Sept. 17, 2019 AMBA S 10,970 $64.14 $703,616 16,588 Direct -39.81% Disposed 7.0% (price as of 2026-10-02)
June 18, 2019 AMBA S 403 $43.06 $17,353 1,100 Direct -26.81% Disposed 59.4% (price as of 2026-10-02)
Oct. 30, 2015 UCTT P 5,000 $4.75 $23,750 294,465 Direct +1.73% Acquired 1430.3% (price as of 2026-10-02)
April 23, 2015 UCTT P 10,000 $5.65 $56,500 289,465 Direct +3.58% Acquired 1186.5% (price as of 2026-10-02)
Feb. 19, 2014 UCTT S 10b5-1 50,000 $13.31 $665,500 156,542 Direct -24.21% Disposed 446.1% (price as of 2026-10-02)

Showing latest 100 of 140 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
March 16, 2022 AMBA Performance Stock Units Ordinary Shares (14,242) · March 15, 2022 14,242 Disposed
March 16, 2022 AMBA Restricted Stock Units Ordinary Shares (1,187) · March 15, 2022 1,187 Disposed
March 16, 2022 AMBA Restricted Stock Units Ordinary Shares (6,250) · Sept. 15, 2022 6,250 Disposed
March 16, 2022 AMBA Restricted Stock Units Ordinary Shares (1,193) · March 15, 2023 1,193 Disposed
March 16, 2022 AMBA Restricted Stock Units Ordinary Shares (514) · March 15, 2024 514 Disposed
Dec. 16, 2021 AMBA Restricted Stock Units Ordinary Shares (1,187) · March 15, 2022 1,187 Disposed
Dec. 16, 2021 AMBA Restricted Stock Units Ordinary Shares (6,250) · Sept. 15, 2022 6,250 Disposed
Dec. 16, 2021 AMBA Restricted Stock Units Ordinary Shares (1,193) · March 15, 2023 1,193 Disposed
Dec. 16, 2021 AMBA Restricted Stock Units Ordinary Shares (513) · March 15, 2024 513 Disposed
Sept. 16, 2021 AMBA Restricted Stock Units Ordinary Shares (1,187) · March 15, 2022 1,187 Disposed
Sept. 16, 2021 AMBA Restricted Stock Units Ordinary Shares (6,250) · Sept. 15, 2022 6,250 Disposed
Sept. 16, 2021 AMBA Restricted Stock Units Ordinary Shares (1,194) · March 15, 2023 1,194 Disposed
Sept. 16, 2021 AMBA Restricted Stock Units Ordinary Shares (514) · March 15, 2024 514 Disposed
June 16, 2021 AMBA Restricted Stock Units Ordinary Shares (1,187) · March 15, 2022 1,187 Disposed
June 16, 2021 AMBA Restricted Stock Units Ordinary Shares (6,250) · Sept. 15, 2022 6,250 Disposed
June 16, 2021 AMBA Restricted Stock Units Ordinary Shares (1,193) · March 15, 2023 1,193 Disposed
June 16, 2021 AMBA Restricted Stock Units Ordinary Shares (513) · March 15, 2024 513 Disposed
March 16, 2021 AMBA Restricted Stock Units Ordinary Shares (1,187) · March 15, 2022 1,187 Disposed
March 16, 2021 AMBA Restricted Stock Units Ordinary Shares (6,250) · Sept. 15, 2022 6,250 Disposed
March 16, 2021 AMBA Restricted Stock Units Ordinary Shares (1,193) · March 15, 2023 1,193 Disposed
March 4, 2021 AMBA Performance Stock Units Ordinary Shares (6,163) · March 15, 2024 6,163 Acquired
March 4, 2021 AMBA Restricted Stock Units Ordinary Shares (6,163) · · 6,163 Acquired
Dec. 16, 2020 AMBA Restricted Stock Units Ordinary Shares (1,186) · March 15, 2022 1,186 Disposed
Dec. 16, 2020 AMBA Restricted Stock Units Ordinary Shares (6,250) · Sept. 15, 2022 6,250 Disposed
Dec. 16, 2020 AMBA Restricted Stock Units Ordinary Shares (1,194) · March 15, 2023 1,194 Disposed
Sept. 16, 2020 AMBA Restricted Stock Units Ordinary Shares (1,187) · March 15, 2022 1,187 Disposed
Sept. 16, 2020 AMBA Restricted Stock Units Ordinary Shares (6,250) · Sept. 15, 2022 6,250 Disposed
Sept. 16, 2020 AMBA Restricted Stock Units Ordinary Shares (1,193) · March 15, 2023 1,193 Disposed
June 16, 2020 AMBA Restricted Stock Units Ordinary Shares (1,187) · March 15, 2022 1,187 Disposed
June 16, 2020 AMBA Restricted Stock Units Ordinary Shares (6,250) · Sept. 15, 2022 6,250 Disposed
June 16, 2020 AMBA Restricted Stock Units Ordinary Shares (1,193) · March 15, 2023 1,193 Disposed
March 25, 2020 AMBA Performance Stock Units Ordinary Shares (14,320) · · 14,320 Acquired
March 25, 2020 AMBA Restricted Stock Units Ordinary Shares (14,320) · · 14,320 Acquired
March 17, 2020 AMBA Restricted Stock Units Ordinary Shares (1,187) · March 15, 2022 1,187 Disposed
March 17, 2020 AMBA Restricted Stock Units Ordinary Shares (6,250) · Sept. 15, 2022 6,250 Disposed
Dec. 17, 2019 AMBA Restricted Stock Units Ordinary Shares (1,187) · March 15, 2022 1,187 Disposed
Dec. 17, 2019 AMBA Restricted Stock Units Ordinary Shares (6,250) · Sept. 15, 2022 6,250 Disposed
Sept. 17, 2019 AMBA Restricted Stock Units Ordinary Shares (1,187) · March 15, 2022 1,187 Disposed
Sept. 17, 2019 AMBA Restricted Stock Units Ordinary Shares (25,000) · Sept. 15, 2022 25,000 Disposed
June 18, 2019 AMBA Restricted Stock Units Ordinary Shares (1,186) · March 15, 2022 1,186 Disposed
March 7, 2019 AMBA Performance Stock Units Ordinary Shares (14,242) · March 15, 2022 14,242 Acquired
March 7, 2019 AMBA Restricted Stock Units Ordinary Shares (14,242) · March 15, 2022 14,242 Acquired
Sept. 4, 2018 AMBA Non-Qualified Stock Option (right to buy) Ordinary Shares (20,000) $38.11 Sept. 3, 2028 20,000 Acquired
Sept. 4, 2018 AMBA Restricted Stock Units Ordinary Shares (100,000) · Sept. 15, 2022 100,000 Acquired
July 31, 2009 UCTT Stock Option Common Stock (100,000) $3.96 July 31, 2019 100,000 Acquired
June 9, 2006 UCTT Stock Option (right to buy) Common Stock (7,500) $8.94 June 9, 2016 7,500 Acquired
May 20, 2005 UCTT Stock Option (right to buy) Common Stock (7,500) $6.76 May 20, 2015 7,500 Acquired
March 24, 2004 UCTT Stock Option (right to buy) Common Stock (15,000) $7.00 March 23, 2014 15,000 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Compensation (DEF 14A)

08

Matched by name from proxy statements (DEF 14A) — verify against the filing.

Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2016 $264,479 · · · $26,964 · $579,809 $1,931,252
2015 $364,718 · · · $117,451 · $7,853 $1,492,172
2014 $344,696 · · · $238,790 · $12,040 $1,595,276

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.