Didier Legall
Insider
First SEC filing: Oct. 9, 2012 · Latest: March 17, 2014
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 10, 2014 | AMBA | M | 21,777 | $8.82 | $192,073 | 75,157 Direct | +40.80% | Acquired | 670.3% (price as of 2026-10-06) |
| Dec. 10, 2014 | AMBA | M | 6,000 | $3.20 | $19,200 | 81,157 Direct | +7.98% | Acquired | 2023.1% (price as of 2026-10-06) |
| Dec. 10, 2014 | AMBA | S | 27,777 | $52.73 | $1,464,681 | 53,380 Direct | -34.23% | Disposed | 28.8% (price as of 2026-10-06) |
| Dec. 10, 2014 | AMBA | M | 6,000 | · | · | 34,000 Direct | -15.00% | Disposed | (price as of 2026-10-06) |
| Dec. 10, 2014 | AMBA | M | 17,777 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Dec. 10, 2014 | AMBA | M | 4,000 | · | · | 4,833 Direct | -45.28% | Disposed | (price as of 2026-10-06) |
| Dec. 9, 2014 | AMBA | M | 4,500 | $8.82 | $39,690 | 57,880 Direct | +8.43% | Acquired | 670.3% (price as of 2026-10-06) |
| Dec. 9, 2014 | AMBA | S | 4,500 | $52.30 | $235,350 | 53,380 Direct | -7.77% | Disposed | 29.9% (price as of 2026-10-06) |
| Dec. 9, 2014 | AMBA | M | 4,500 | · | · | 8,833 Direct | -33.75% | Disposed | (price as of 2026-10-06) |
| Nov. 10, 2014 | AMBA | S 10b5-1 | 1,200 | $46.92 | $56,304 | 67,180 Direct | -1.75% | Disposed | 44.8% (price as of 2026-10-06) |
| Nov. 10, 2014 | AMBA | S 10b5-1 | 2,550 | $48.28 | $123,114 | 64,630 Direct | -3.80% | Disposed | 40.7% (price as of 2026-10-06) |
| Nov. 10, 2014 | AMBA | S 10b5-1 | 11,250 | $49.00 | $551,250 | 53,380 Direct | -17.41% | Disposed | 38.7% (price as of 2026-10-06) |
| Nov. 5, 2014 | AMBA | M | 11,000 | $2.93 | $32,230 | 68,380 Direct | +19.17% | Acquired | 2218.8% (price as of 2026-10-06) |
| Nov. 5, 2014 | AMBA | M | 11,000 | · | · | 14,000 Direct | -44.00% | Disposed | (price as of 2026-10-06) |
| Oct. 10, 2014 | AMBA | S 10b5-1 | 6,000 | $39.53 | $237,180 | 66,380 Direct | -8.29% | Disposed | 71.9% (price as of 2026-10-06) |
| Oct. 10, 2014 | AMBA | S 10b5-1 | 9,000 | $40.45 | $364,050 | 57,380 Direct | -13.56% | Disposed | 68.0% (price as of 2026-10-06) |
| Sept. 30, 2014 | AMBA | M | 15,000 | $2.93 | $43,950 | 72,380 Direct | +26.14% | Acquired | 2218.8% (price as of 2026-10-06) |
| Sept. 30, 2014 | AMBA | M | 15,000 | · | · | 25,000 Direct | -37.50% | Disposed | (price as of 2026-10-06) |
| Sept. 16, 2014 | AMBA | M | 841 | · | · | 57,958 Direct | +1.47% | Acquired | (price as of 2026-10-06) |
| Sept. 16, 2014 | AMBA | S | 578 | $33.66 | $19,455 | 57,380 Direct | -1.00% | Disposed | 101.8% (price as of 2026-10-06) |
| Sept. 16, 2014 | AMBA | M | 278 | · | · | 2,223 Direct | -11.12% | Disposed | (price as of 2026-10-06) |
| Sept. 16, 2014 | AMBA | M | 563 | · | · | 3,375 Direct | -14.30% | Disposed | (price as of 2026-10-06) |
| Sept. 10, 2014 | AMBA | S 10b5-1 | 5,950 | $36.84 | $219,198 | 65,792 Direct | -8.29% | Disposed | 84.4% (price as of 2026-10-06) |
| Sept. 10, 2014 | AMBA | S 10b5-1 | 9,050 | $37.48 | $339,194 | 56,742 Direct | -13.76% | Disposed | 81.3% (price as of 2026-10-06) |
| Sept. 8, 2014 | AMBA | A | 3,000 | · | · | 3,000 Direct | · | Acquired | (price as of 2026-10-06) |
| Sept. 8, 2014 | AMBA | A | 7,000 | · | · | 7,000 Direct | · | Acquired | (price as of 2026-10-06) |
| Aug. 29, 2014 | AMBA | M | 10,000 | $2.93 | $29,300 | 71,742 Direct | +16.20% | Acquired | 2218.8% (price as of 2026-10-06) |
| Aug. 29, 2014 | AMBA | M | 10,000 | · | · | 40,000 Direct | -20.00% | Disposed | (price as of 2026-10-06) |
| Aug. 11, 2014 | AMBA | S 10b5-1 | 15,000 | $29.01 | $435,150 | 61,742 Direct | -19.55% | Disposed | 134.2% (price as of 2026-10-06) |
| Aug. 6, 2014 | AMBA | M | 15,555 | $1.22 | $18,977 | 76,742 Direct | +25.42% | Acquired | 5468.9% (price as of 2026-10-06) |
| Aug. 6, 2014 | AMBA | M | 15,555 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| July 10, 2014 | AMBA | S 10b5-1 | 4,061 | $30.36 | $123,292 | 72,126 Direct | -5.33% | Disposed | 123.8% (price as of 2026-10-06) |
| July 10, 2014 | AMBA | S 10b5-1 | 10,939 | $30.96 | $338,671 | 61,187 Direct | -15.17% | Disposed | 119.4% (price as of 2026-10-06) |
| June 16, 2014 | AMBA | M | 840 | · | · | 76,744 Direct | +1.11% | Acquired | (price as of 2026-10-06) |
| June 16, 2014 | AMBA | S | 557 | $26.55 | $14,788 | 76,187 Direct | -0.73% | Disposed | 155.9% (price as of 2026-10-06) |
| June 16, 2014 | AMBA | M | 278 | · | · | 2,501 Direct | -10.00% | Disposed | (price as of 2026-10-06) |
| June 16, 2014 | AMBA | M | 562 | · | · | 3,938 Direct | -12.49% | Disposed | (price as of 2026-10-06) |
| June 10, 2014 | AMBA | S 10b5-1 | 15,000 | $26.05 | $390,750 | 75,904 Direct | -16.50% | Disposed | 160.8% (price as of 2026-10-06) |
| May 12, 2014 | AMBA | S 10b5-1 | 14,900 | $23.06 | $343,594 | 91,004 Direct | -14.07% | Disposed | 194.6% (price as of 2026-10-06) |
| May 12, 2014 | AMBA | S 10b5-1 | 100 | $23.45 | $2,345 | 90,904 Direct | -0.11% | Disposed | 189.7% (price as of 2026-10-06) |
| April 10, 2014 | AMBA | S 10b5-1 | 13,600 | $27.09 | $368,424 | 107,304 Direct | -11.25% | Disposed | 150.8% (price as of 2026-10-06) |
| April 10, 2014 | AMBA | S 10b5-1 | 1,400 | $27.83 | $38,962 | 105,904 Direct | -1.30% | Disposed | 144.1% (price as of 2026-10-06) |
| March 18, 2014 | AMBA | M | 278 | · | · | 120,506 Direct | +0.23% | Acquired | (price as of 2026-10-06) |
| March 18, 2014 | AMBA | S | 411 | $28.00 | $11,508 | 120,904 Direct | -0.34% | Disposed | 142.6% (price as of 2026-10-06) |
| March 18, 2014 | AMBA | M | 278 | · | · | 2,779 Direct | -9.09% | Disposed | (price as of 2026-10-06) |
| March 10, 2014 | AMBA | S 10b5-1 | 15,000 | $31.03 | $465,450 | 145,328 Direct | -9.36% | Disposed | 118.9% (price as of 2026-10-06) |
| March 5, 2014 | AMBA | A | 4,500 | · | · | 4,500 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 19, 2014 | AMBA | M | 20,000 | $1.22 | $24,400 | 160,328 Direct | +14.25% | Acquired | 5468.9% (price as of 2026-10-06) |
| Feb. 19, 2014 | AMBA | M | 20,000 | · | · | 15,555 Direct | -56.25% | Disposed | (price as of 2026-10-06) |
| Feb. 10, 2014 | AMBA | S 10b5-1 | 20,783 | $27.97 | $581,301 | 140,628 Direct | -12.88% | Disposed | 142.9% (price as of 2026-10-06) |
| Feb. 10, 2014 | AMBA | S 10b5-1 | 300 | $28.42 | $8,526 | 140,328 Direct | -0.21% | Disposed | 139.1% (price as of 2026-10-06) |
| Jan. 10, 2014 | AMBA | S 10b5-1 | 5,583 | $31.40 | $175,306 | 161,411 Direct | -3.34% | Disposed | 116.4% (price as of 2026-10-06) |
| Jan. 10, 2014 | AMBA | S 10b5-1 | 1,000 | $30.74 | $30,740 | 166,994 Direct | -0.60% | Disposed | 121.0% (price as of 2026-10-06) |
| Jan. 10, 2014 | AMBA | S 10b5-1 | 10,320 | $29.57 | $305,162 | 167,994 Direct | -5.79% | Disposed | 129.8% (price as of 2026-10-06) |
| Jan. 10, 2014 | AMBA | S 10b5-1 | 4,180 | $28.90 | $120,802 | 178,314 Direct | -2.29% | Disposed | 135.1% (price as of 2026-10-06) |
| Jan. 7, 2014 | AMBA | M | 20,000 | · | · | 35,555 Direct | -36.00% | Disposed | (price as of 2026-10-06) |
| Jan. 7, 2014 | AMBA | M | 20,000 | $1.22 | $24,400 | 182,494 Direct | +12.31% | Acquired | 5468.9% (price as of 2026-10-06) |
| Dec. 17, 2013 | AMBA | M | 278 | · | · | 162,853 Direct | +0.17% | Acquired | (price as of 2026-10-06) |
| Dec. 17, 2013 | AMBA | S | 359 | $24.43 | $8,770 | 162,494 Direct | -0.22% | Disposed | 178.1% (price as of 2026-10-06) |
| Dec. 17, 2013 | AMBA | M | 278 | · | · | 3,057 Direct | -8.34% | Disposed | (price as of 2026-10-06) |
| Dec. 2, 2013 | AMBA | S 10b5-1 | 21,083 | $24.28 | $511,895 | 162,575 Direct | -11.48% | Disposed | 179.8% (price as of 2026-10-06) |
| Nov. 1, 2013 | AMBA | S 10b5-1 | 21,083 | $20.36 | $429,250 | 183,658 Direct | -10.30% | Disposed | 233.7% (price as of 2026-10-06) |
| Oct. 1, 2013 | AMBA | S 10b5-1 | 21,083 | $19.31 | $407,113 | 204,741 Direct | -9.34% | Disposed | 251.8% (price as of 2026-10-06) |
| Sept. 16, 2013 | AMBA | M | 278 | · | · | 3,335 Direct | -7.69% | Disposed | (price as of 2026-10-06) |
| Sept. 16, 2013 | AMBA | S | 107 | $17.80 | $1,905 | 225,824 Direct | -0.05% | Disposed | 281.7% (price as of 2026-10-06) |
| Sept. 16, 2013 | AMBA | M | 278 | · | · | 221,928 Direct | +0.13% | Acquired | (price as of 2026-10-06) |
| Sept. 3, 2013 | AMBA | S 10b5-1 | 21,083 | $14.77 | $311,396 | 221,650 Direct | -8.69% | Disposed | 360.0% (price as of 2026-10-06) |
| Aug. 27, 2013 | AMBA | A | 10,500 | · | · | 242,733 Direct | +4.52% | Acquired | (price as of 2026-10-06) |
| Aug. 1, 2013 | AMBA | S 10b5-1 | 6,204 | $16.72 | $103,731 | 232,233 Direct | -2.60% | Disposed | 306.3% (price as of 2026-10-06) |
| Aug. 1, 2013 | AMBA | S 10b5-1 | 14,879 | $16.00 | $238,064 | 238,437 Direct | -5.87% | Disposed | 324.6% (price as of 2026-10-06) |
| July 1, 2013 | AMBA | S 10b5-1 | 21,083 | $17.13 | $361,152 | 253,316 Direct | -7.68% | Disposed | 296.6% (price as of 2026-10-06) |
| June 18, 2013 | AMBA | S | 100 | $18.29 | $1,829 | 274,399 Direct | -0.04% | Disposed | 271.5% (price as of 2026-10-06) |
| June 17, 2013 | AMBA | M | 277 | · | · | 3,613 Direct | -7.12% | Disposed | (price as of 2026-10-06) |
| June 17, 2013 | AMBA | M | 277 | · | · | 274,499 Direct | +0.10% | Acquired | (price as of 2026-10-06) |
| June 7, 2013 | AMBA | S 10b5-1 | 68,000 | $16.22 | $1,102,960 | 274,222 Direct | -19.87% | Disposed | 318.9% (price as of 2026-10-06) |
| April 8, 2013 | AMBA | M | 555 | · | · | 342,222 Direct | +0.16% | Acquired | (price as of 2026-10-06) |
| April 8, 2013 | AMBA | M | 555 | · | · | 3,890 Direct | -12.49% | Disposed | (price as of 2026-10-06) |
| Oct. 15, 2012 | AMBA | S | 55,555 | $6.00 | $333,330 | 466,667 Direct | -10.64% | Disposed | 1032.3% (price as of 2026-10-06) |
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 | $3.20 | July 8, 2019 | 6,000 | Disposed |
| Dec. 10, 2014 | AMBA | Non-Qualified Stock Option (right to buy) | Ordinary Shares | $8.82 | Nov. 2, 2020 | 17,777 | Disposed |
| Dec. 10, 2014 | AMBA | Non-Qualified Stock Option (right to buy) | Ordinary Shares | $8.82 | Aug. 29, 2021 | 4,000 | Disposed |
| Dec. 9, 2014 | AMBA | Non-Qualified Stock Option (right to buy) | Ordinary Shares | $8.82 | Aug. 29, 2021 | 4,500 | Disposed |
| Nov. 5, 2014 | AMBA | Incentive Stock Option (right to buy) | Ordinary Shares | $2.93 | July 9, 2018 | 11,000 | Disposed |
| Sept. 30, 2014 | AMBA | Incentive Stock Option (right to buy) | Ordinary Shares | $2.93 | July 9, 2018 | 15,000 | Disposed |
| Sept. 16, 2014 | AMBA | Restricted Stock Units | Ordinary Shares | · | Aug. 27, 2022 | 278 | Disposed |
| Sept. 16, 2014 | AMBA | Restricted Stock Units | Ordinary Shares | · | Aug. 26, 2023 | 563 | Disposed |
| Sept. 8, 2014 | AMBA | Non-Qualified Stock Option (right to buy) | Ordinary Shares | $38.92 | Sept. 7, 2024 | 3,000 | Acquired |
| Sept. 8, 2014 | AMBA | Restricted Stock Units | Ordinary Shares | · | Sept. 7, 2024 | 7,000 | Acquired |
| Aug. 29, 2014 | AMBA | Incentive Stock Option (right to buy) | Ordinary Shares | $2.93 | July 9, 2018 | 10,000 | Disposed |
| Aug. 6, 2014 | AMBA | Incentive Stock Option (right to buy) | Ordinary Shares | $1.22 | Aug. 27, 2017 | 15,555 | Disposed |
| June 16, 2014 | AMBA | Restricted Stock Units | Ordinary Shares | · | Aug. 27, 2022 | 278 | Disposed |
| June 16, 2014 | AMBA | Restricted Stock Units | Ordinary Shares | · | Aug. 26, 2023 | 562 | Disposed |
| March 18, 2014 | AMBA | Restricted Stock Units | Ordinary Shares | · | Aug. 27, 2022 | 278 | Disposed |
| March 5, 2014 | AMBA | Restricted Stock Units | Ordinary Shares | · | · | 4,500 | Acquired |
| Feb. 19, 2014 | AMBA | Incentive Stock Option (right to buy) | Ordinary Shares | $1.22 | Aug. 27, 2017 | 20,000 | Disposed |
| Jan. 7, 2014 | AMBA | Stock Option (right to buy) | Ordinary Shares | $1.22 | Aug. 28, 2017 | 20,000 | Disposed |
| Dec. 17, 2013 | AMBA | Restricted Stock Units | Ordinary Shares | · | · | 278 | Disposed |
| Sept. 16, 2013 | AMBA | Restricted Stock Units | Ordinary Shares | · | · | 278 | Disposed |
| June 17, 2013 | AMBA | Restricted Stock Units | Ordinary Shares | · | · | 277 | Disposed |
| April 8, 2013 | AMBA | Restricted Stock Units | Ordinary Shares | · | · | 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) | 55,555 | Direct |
| Oct. 9, 2012 | AMBA | Stock Option (right to buy) | 50,000 | Direct |
| Oct. 9, 2012 | AMBA | Stock Option (right to buy) | 40,000 | Direct |
| Oct. 9, 2012 | AMBA | Stock Option (right to buy) | 17,777 | Direct |
| Oct. 9, 2012 | AMBA | Stock Option (right to buy) | 13,333 | Direct |
| Oct. 9, 2012 | AMBA | Restricted Stock Units | 4,445 | Direct |