Didier Legall

CIK 1558678 · View on SEC EDGAR ↗

Insider

First SEC filing: Oct. 9, 2012 · Latest: March 17, 2014

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 39 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

39 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Dec. 10, 2014 AMBA S 27,777 $52.73 $1,464,681 53,380 Direct -34.23% Disposed 40.0% (price as of 2026-08-20)
Dec. 9, 2014 AMBA S 4,500 $52.30 $235,350 53,380 Direct -7.77% Disposed 41.1% (price as of 2026-08-20)
Nov. 10, 2014 AMBA S 10b5-1 1,200 $46.92 $56,304 67,180 Direct -1.75% Disposed 57.3% (price as of 2026-08-20)
Nov. 10, 2014 AMBA S 10b5-1 2,550 $48.28 $123,114 64,630 Direct -3.80% Disposed 52.9% (price as of 2026-08-20)
Nov. 10, 2014 AMBA S 10b5-1 11,250 $49.00 $551,250 53,380 Direct -17.41% Disposed 50.6% (price as of 2026-08-20)
Oct. 10, 2014 AMBA S 10b5-1 6,000 $39.53 $237,180 66,380 Direct -8.29% Disposed 86.7% (price as of 2026-08-20)
Oct. 10, 2014 AMBA S 10b5-1 9,000 $40.45 $364,050 57,380 Direct -13.56% Disposed 82.4% (price as of 2026-08-20)
Sept. 16, 2014 AMBA S 578 $33.66 $19,455 57,380 Direct -1.00% Disposed 119.3% (price as of 2026-08-20)
Sept. 10, 2014 AMBA S 10b5-1 5,950 $36.84 $219,198 65,792 Direct -8.29% Disposed 100.3% (price as of 2026-08-20)
Sept. 10, 2014 AMBA S 10b5-1 9,050 $37.48 $339,194 56,742 Direct -13.76% Disposed 96.9% (price as of 2026-08-20)
Aug. 11, 2014 AMBA S 10b5-1 15,000 $29.01 $435,150 61,742 Direct -19.55% Disposed 154.4% (price as of 2026-08-20)
July 10, 2014 AMBA S 10b5-1 4,061 $30.36 $123,292 72,126 Direct -5.33% Disposed 143.1% (price as of 2026-08-20)
July 10, 2014 AMBA S 10b5-1 10,939 $30.96 $338,671 61,187 Direct -15.17% Disposed 138.4% (price as of 2026-08-20)
June 16, 2014 AMBA S 557 $26.55 $14,788 76,187 Direct -0.73% Disposed 178.0% (price as of 2026-08-20)
June 10, 2014 AMBA S 10b5-1 15,000 $26.05 $390,750 75,904 Direct -16.50% Disposed 183.3% (price as of 2026-08-20)
May 12, 2014 AMBA S 10b5-1 14,900 $23.06 $343,594 91,004 Direct -14.07% Disposed 220.0% (price as of 2026-08-20)
May 12, 2014 AMBA S 10b5-1 100 $23.45 $2,345 90,904 Direct -0.11% Disposed 214.7% (price as of 2026-08-20)
April 10, 2014 AMBA S 10b5-1 13,600 $27.09 $368,424 107,304 Direct -11.25% Disposed 172.4% (price as of 2026-08-20)
April 10, 2014 AMBA S 10b5-1 1,400 $27.83 $38,962 105,904 Direct -1.30% Disposed 165.2% (price as of 2026-08-20)
March 18, 2014 AMBA S 411 $28.00 $11,508 120,904 Direct -0.34% Disposed 163.6% (price as of 2026-08-20)
March 10, 2014 AMBA S 10b5-1 15,000 $31.03 $465,450 145,328 Direct -9.36% Disposed 137.8% (price as of 2026-08-20)
Feb. 10, 2014 AMBA S 10b5-1 20,783 $27.97 $581,301 140,628 Direct -12.88% Disposed 163.9% (price as of 2026-08-20)
Feb. 10, 2014 AMBA S 10b5-1 300 $28.42 $8,526 140,328 Direct -0.21% Disposed 159.7% (price as of 2026-08-20)
Jan. 10, 2014 AMBA S 10b5-1 5,583 $31.40 $175,306 161,411 Direct -3.34% Disposed 135.0% (price as of 2026-08-20)
Jan. 10, 2014 AMBA S 10b5-1 1,000 $30.74 $30,740 166,994 Direct -0.60% Disposed 140.1% (price as of 2026-08-20)
Jan. 10, 2014 AMBA S 10b5-1 10,320 $29.57 $305,162 167,994 Direct -5.79% Disposed 149.6% (price as of 2026-08-20)
Jan. 10, 2014 AMBA S 10b5-1 4,180 $28.90 $120,802 178,314 Direct -2.29% Disposed 155.4% (price as of 2026-08-20)
Dec. 17, 2013 AMBA S 359 $24.43 $8,770 162,494 Direct -0.22% Disposed 202.1% (price as of 2026-08-20)
Dec. 2, 2013 AMBA S 10b5-1 21,083 $24.28 $511,895 162,575 Direct -11.48% Disposed 204.0% (price as of 2026-08-20)
Nov. 1, 2013 AMBA S 10b5-1 21,083 $20.36 $429,250 183,658 Direct -10.30% Disposed 262.5% (price as of 2026-08-20)
Oct. 1, 2013 AMBA S 10b5-1 21,083 $19.31 $407,113 204,741 Direct -9.34% Disposed 282.2% (price as of 2026-08-20)
Sept. 16, 2013 AMBA S 107 $17.80 $1,905 225,824 Direct -0.05% Disposed 314.6% (price as of 2026-08-20)
Sept. 3, 2013 AMBA S 10b5-1 21,083 $14.77 $311,396 221,650 Direct -8.69% Disposed 399.7% (price as of 2026-08-20)
Aug. 1, 2013 AMBA S 10b5-1 6,204 $16.72 $103,731 232,233 Direct -2.60% Disposed 341.4% (price as of 2026-08-20)
Aug. 1, 2013 AMBA S 10b5-1 14,879 $16.00 $238,064 238,437 Direct -5.87% Disposed 361.3% (price as of 2026-08-20)
July 1, 2013 AMBA S 10b5-1 21,083 $17.13 $361,152 253,316 Direct -7.68% Disposed 330.8% (price as of 2026-08-20)
June 18, 2013 AMBA S 100 $18.29 $1,829 274,399 Direct -0.04% Disposed 303.5% (price as of 2026-08-20)
June 7, 2013 AMBA S 10b5-1 68,000 $16.22 $1,102,960 274,222 Direct -19.87% Disposed 355.0% (price as of 2026-08-20)
Oct. 15, 2012 AMBA S 55,555 $6.00 $333,330 466,667 Direct -10.64% Disposed 1130.0% (price as of 2026-08-20)

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
Dec. 10, 2014 AMBA Incentive Stock Option (right to buy) Ordinary Shares (6,000) $3.20 July 8, 2019 6,000 Disposed
Dec. 10, 2014 AMBA Non-Qualified Stock Option (right to buy) Ordinary Shares (17,777) $8.82 Nov. 2, 2020 17,777 Disposed
Dec. 10, 2014 AMBA Non-Qualified Stock Option (right to buy) Ordinary Shares (4,000) $8.82 Aug. 29, 2021 4,000 Disposed
Dec. 9, 2014 AMBA Non-Qualified Stock Option (right to buy) Ordinary Shares (4,500) $8.82 Aug. 29, 2021 4,500 Disposed
Nov. 5, 2014 AMBA Incentive Stock Option (right to buy) Ordinary Shares (11,000) $2.93 July 9, 2018 11,000 Disposed
Sept. 30, 2014 AMBA Incentive Stock Option (right to buy) Ordinary Shares (15,000) $2.93 July 9, 2018 15,000 Disposed
Sept. 16, 2014 AMBA Restricted Stock Units Ordinary Shares (278) Aug. 27, 2022 278 Disposed
Sept. 16, 2014 AMBA Restricted Stock Units Ordinary Shares (563) Aug. 26, 2023 563 Disposed
Sept. 8, 2014 AMBA Non-Qualified Stock Option (right to buy) Ordinary Shares (3,000) $38.92 Sept. 7, 2024 3,000 Acquired
Sept. 8, 2014 AMBA Restricted Stock Units Ordinary Shares (7,000) Sept. 7, 2024 7,000 Acquired
Aug. 29, 2014 AMBA Incentive Stock Option (right to buy) Ordinary Shares (10,000) $2.93 July 9, 2018 10,000 Disposed
Aug. 6, 2014 AMBA Incentive Stock Option (right to buy) Ordinary Shares (15,555) $1.22 Aug. 27, 2017 15,555 Disposed
June 16, 2014 AMBA Restricted Stock Units Ordinary Shares (278) Aug. 27, 2022 278 Disposed
June 16, 2014 AMBA Restricted Stock Units Ordinary Shares (562) Aug. 26, 2023 562 Disposed
March 18, 2014 AMBA Restricted Stock Units Ordinary Shares (278) Aug. 27, 2022 278 Disposed
March 5, 2014 AMBA Restricted Stock Units Ordinary Shares (4,500) 4,500 Acquired
Feb. 19, 2014 AMBA Incentive Stock Option (right to buy) Ordinary Shares (20,000) $1.22 Aug. 27, 2017 20,000 Disposed
Jan. 7, 2014 AMBA Stock Option (right to buy) Ordinary Shares (20,000) $1.22 Aug. 28, 2017 20,000 Disposed
Dec. 17, 2013 AMBA Restricted Stock Units Ordinary Shares (278) 278 Disposed
Sept. 16, 2013 AMBA Restricted Stock Units Ordinary Shares (278) 278 Disposed
June 17, 2013 AMBA Restricted Stock Units Ordinary Shares (277) 277 Disposed
April 8, 2013 AMBA Restricted Stock Units Ordinary Shares (555) 555 Disposed

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

Initial ownership (Form 3) 7 holdings

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

Date Ticker Security Shares Ownership
Oct. 9, 2012 AMBA Ordinary Shares 522,222 Direct
Oct. 9, 2012 AMBA Stock Option (right to buy)→ Ordinary Shares (55,555) 55,555 Direct
Oct. 9, 2012 AMBA Stock Option (right to buy)→ Ordinary Shares (50,000) 50,000 Direct
Oct. 9, 2012 AMBA Stock Option (right to buy)→ Odinary Shares (40,000) 40,000 Direct
Oct. 9, 2012 AMBA Stock Option (right to buy)→ Ordinary Shares (17,777) 17,777 Direct
Oct. 9, 2012 AMBA Stock Option (right to buy)→ Ordinary Shares (13,333) 13,333 Direct
Oct. 9, 2012 AMBA Restricted Stock Units→ Ordinary Shares (4,445) 4,445 Direct