Brian C White
Insider
First SEC filing: March 29, 2019 · Latest: March 29, 2019
Insider at
Insider transactions
0 buys (P)
3 sells (S)
Net: $-1,139,748
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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 5, 2026 | ALGM | A | 4,251 | · | · | 4,251 Direct | · | Acquired | (price as of 2026-10-02) |
| June 17, 2026 | ALGM | A | 594 | · | · | 594 Direct | · | Acquired | (price as of 2026-10-02) |
| May 20, 2026 | FORM | S | 3,250 | $126.00 | $409,500 | 8,653 Direct | -27.30% | Disposed | 18.4% (price as of 2026-10-02) |
| May 15, 2026 | FORM | A | 1,347 | · | · | 11,903 Direct | +12.76% | Acquired | (price as of 2026-10-02) |
| Feb. 24, 2026 | FORM | S | 2,300 | $100.01 | $230,023 | 10,556 Direct | -17.89% | Disposed | 49.1% (price as of 2026-10-02) |
| Feb. 9, 2026 | FORM | S | 5,500 | $90.95 | $500,225 | 12,856 Direct | -29.96% | Disposed | 64.0% (price as of 2026-10-02) |
| May 16, 2025 | FORM | A | 6,528 | · | · | 18,356 Direct | +55.19% | Acquired | (price as of 2026-10-02) |
| May 20, 2024 | FORM | S | 3,290 | $57.00 | $187,530 | 11,828 Direct | -21.76% | Disposed | 161.7% (price as of 2026-10-02) |
| May 17, 2024 | FORM | A | 3,828 | · | · | 15,118 Direct | +33.91% | Acquired | (price as of 2026-10-02) |
| Dec. 19, 2023 | AMBA | S | 3,357 | $63.04 | $211,625 | 74,140 Direct | -4.33% | Disposed | 8.9% (price as of 2026-10-02) |
| Sept. 18, 2023 | AMBA | S | 3,274 | $57.30 | $187,600 | 77,497 Direct | -4.05% | Disposed | 19.8% (price as of 2026-10-02) |
| June 20, 2023 | AMBA | S | 3,297 | $84.80 | $279,586 | 80,771 Direct | -3.92% | Disposed | -19.0% (price as of 2026-10-02) |
| June 15, 2023 | AMBA | A | 73,678 | · | · | 84,068 Direct | +709.12% | Acquired | (price as of 2026-10-02) |
| May 19, 2023 | FORM | A | 6,770 | · | · | 11,290 Direct | +149.78% | Acquired | (price as of 2026-10-02) |
| April 3, 2023 | AMBA | A | 13,678 | · | · | 13,678 Direct | · | Acquired | (price as of 2026-10-02) |
| March 17, 2023 | AMBA | S | 10,554 | $76.85 | $811,075 | 10,390 Direct | -50.39% | Disposed | -10.7% (price as of 2026-10-02) |
| March 15, 2023 | AMBA | M | 20,000 | · | · | 20,944 Direct | +2118.64% | Acquired | (price as of 2026-10-02) |
| March 15, 2023 | AMBA | M | 20,000 | · | · | 60,000 Direct | -25.00% | Disposed | (price as of 2026-10-02) |
| March 9, 2023 | AMBA | S | 1,224 | $82.25 | $100,674 | 944 Direct | -56.46% | Disposed | -16.5% (price as of 2026-10-02) |
| March 8, 2023 | AMBA | A | 2,168 | · | · | 2,168 Direct | · | Acquired | (price as of 2026-10-02) |
| March 2, 2023 | AMBA | A | 13,678 | · | · | 13,678 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 26, 2022 | FORM | A | 4,520 | · | · | 4,520 Direct | · | Acquired | (price as of 2026-10-02) |
| March 29, 2019 | 703361 | D | 129,096 | · | · | 58,433 Direct | -68.84% | Disposed | |
| March 29, 2019 | 703361 | D | 58,433 | · | · | 0 Direct | -100.00% | Disposed | |
| Dec. 26, 2018 | 703361 | M | 13,979 | $21.94 | $306,699 | 132,027 Direct | +11.84% | Acquired | |
| Dec. 26, 2018 | 703361 | F | 93,159 | $48.21 | $4,491,195 | 38,868 Direct | -70.56% | Disposed | |
| Dec. 26, 2018 | 703361 | A | 148,661 | · | · | 187,529 Direct | +382.48% | Acquired | |
| Dec. 26, 2018 | 703361 | M | 13,979 | · | · | 0 Direct | -100.00% | Disposed | |
| Sept. 18, 2018 | 703361 | M | 375 | $12.16 | $4,560 | 117,518 Direct | +0.32% | Acquired | |
| Sept. 18, 2018 | 703361 | M | 375 | · | · | 0 Direct | -100.00% | Disposed | |
| Sept. 12, 2018 | 703361 | M | 4,500 | $12.16 | $54,720 | 117,143 Direct | +3.99% | Acquired | |
| Sept. 12, 2018 | 703361 | M | 4,500 | · | · | 375 Direct | -92.31% | Disposed | |
| May 15, 2018 | 703361 | A | 26,838 | · | · | 134,813 Direct | +24.86% | Acquired | |
| May 15, 2018 | 703361 | A | 5,631 | · | · | 140,444 Direct | +4.18% | Acquired | |
| May 15, 2018 | 703361 | S | 27,801 | $30.80 | $856,271 | 112,643 Direct | -19.80% | Disposed | |
| Jan. 22, 2018 | 703361 | M | 23,297 | $21.94 | $511,136 | 131,272 Direct | +21.58% | Acquired | |
| Jan. 22, 2018 | 703361 | S 10b5-1 | 23,297 | $34.00 | $792,098 | 107,975 Direct | -17.75% | Disposed | |
| Jan. 22, 2018 | 703361 | M | 23,297 | · | · | 13,979 Direct | -62.50% | Disposed | |
| Jan. 19, 2018 | 703361 | M | 29,250 | $12.16 | $355,680 | 137,225 Direct | +27.09% | Acquired | |
| Jan. 19, 2018 | 703361 | S 10b5-1 | 29,250 | $33.50 | $979,875 | 107,975 Direct | -21.32% | Disposed | |
| Jan. 19, 2018 | 703361 | M | 29,250 | · | · | 4,875 Direct | -85.71% | Disposed | |
| Jan. 19, 2018 | 703361 | M | 15,583 | $7.67 | $119,522 | 123,558 Direct | +14.43% | Acquired | |
| Jan. 19, 2018 | 703361 | S 10b5-1 | 15,583 | $33.00 | $514,239 | 107,975 Direct | -12.61% | Disposed | |
| Jan. 19, 2018 | 703361 | M | 15,583 | · | · | 0 Direct | -100.00% | Disposed | |
| Jan. 4, 2018 | 703361 | M | 762 | $5.77 | $4,397 | 108,737 Direct | +0.71% | Acquired | |
| Jan. 4, 2018 | 703361 | M | 7,655 | $8.49 | $64,991 | 116,392 Direct | +7.04% | Acquired | |
| Jan. 4, 2018 | 703361 | S | 8,417 | $32.50 | $273,552 | 107,975 Direct | -7.23% | Disposed | |
| Jan. 4, 2018 | 703361 | M | 762 | · | · | 0 Direct | -100.00% | Disposed | |
| Jan. 4, 2018 | 703361 | M | 7,655 | · | · | 0 Direct | -100.00% | Disposed | |
| Aug. 4, 2017 | 703361 | M | 1,417 | $7.67 | $10,868 | 102,839 Direct | +1.40% | Acquired | |
| Aug. 4, 2017 | 703361 | M | 4,875 | $12.16 | $59,280 | 107,714 Direct | +4.74% | Acquired | |
| Aug. 4, 2017 | 703361 | M | 1,417 | · | · | 15,583 Direct | -8.34% | Disposed | |
| Aug. 4, 2017 | 703361 | M | 4,875 | · | · | 34,125 Direct | -12.50% | Disposed | |
| June 15, 2017 | 703361 | M | 14,836 | · | · | 138,840 Direct | +11.96% | Acquired | |
| June 15, 2017 | 703361 | S | 37,418 | $24.36 | $911,502 | 101,422 Direct | -26.95% | Disposed | |
| June 15, 2017 | 703361 | M | 24,320 | · | · | 0 Direct | -100.00% | Disposed | |
| May 15, 2017 | 703361 | A | 27,467 | · | · | 143,058 Direct | +23.76% | Acquired | |
| May 15, 2017 | 703361 | S | 19,054 | $24.04 | $458,058 | 124,004 Direct | -13.32% | Disposed | |
| Feb. 15, 2017 | 703361 | M | 20,913 | $5.77 | $120,668 | 136,504 Direct | +18.09% | Acquired | |
| Feb. 15, 2017 | 703361 | S | 20,913 | $25.21 | $527,217 | 115,591 Direct | -15.32% | Disposed | |
| Feb. 15, 2017 | 703361 | M | 20,913 | · | · | 762 Direct | -96.48% | Disposed | |
| June 15, 2016 | 703361 | M | 60,000 | · | · | 130,598 Direct | +84.99% | Acquired | |
| June 15, 2016 | 703361 | S | 16,095 | $22.84 | $367,610 | 114,503 Direct | -12.32% | Disposed | |
| June 15, 2016 | 703361 | M | 30,000 | · | · | 0 Direct | -100.00% | Disposed | |
| May 16, 2016 | 703361 | A | 32,037 | · | · | 75,108 Direct | +74.38% | Acquired | |
| May 16, 2016 | 703361 | S | 4,510 | $21.08 | $95,071 | 70,598 Direct | -6.00% | Disposed | |
| March 15, 2016 | 703361 | A | 1,250 | · | · | 42,364 Direct | +3.04% | Acquired | |
| Dec. 15, 2015 | 703361 | A | 2,500 | · | · | 41,281 Direct | +6.45% | Acquired | |
| Dec. 15, 2015 | 703361 | S | 1,028 | $27.65 | $28,424 | 40,253 Direct | -2.49% | Disposed | |
| Sept. 15, 2015 | 703361 | A | 5,000 | · | · | 38,781 Direct | +14.80% | Acquired | |
| June 15, 2015 | 703361 | A | 1,250 | · | · | 35,031 Direct | +3.70% | Acquired | |
| June 15, 2015 | 703361 | S | 1,250 | $23.74 | $29,675 | 33,781 Direct | -3.57% | Disposed | |
| June 15, 2015 | 703361 | A | 24,320 | · | · | 24,320 Direct | · | Acquired | |
| May 15, 2015 | 703361 | S | 3,750 | $21.85 | $81,938 | 25,200 Direct | -12.95% | Disposed | |
| May 15, 2015 | 703361 | S | 3,750 | $21.85 | $81,938 | 21,450 Direct | -14.88% | Disposed | |
| May 15, 2015 | 703361 | S | 850 | $21.85 | $18,572 | 20,600 Direct | -3.96% | Disposed | |
| May 15, 2015 | 703361 | S | 1,000 | $21.85 | $21,850 | 19,600 Direct | -4.85% | Disposed | |
| May 15, 2015 | 703361 | A | 14,181 | · | · | 33,781 Direct | +72.35% | Acquired | |
| May 15, 2015 | 703361 | A | 37,276 | · | · | 37,276 Direct | · | Acquired | |
| May 13, 2015 | 703361 | M | 10,000 | $8.49 | $84,900 | 38,950 Direct | +34.54% | Acquired | |
| May 13, 2015 | 703361 | S 10b5-1 | 10,000 | $22.00 | $220,000 | 28,950 Direct | -25.67% | Disposed | |
| May 13, 2015 | 703361 | M | 10,000 | · | · | 7,655 Direct | -56.64% | Disposed | |
| March 17, 2015 | 703361 | S | 1,250 | $20.38 | $25,475 | 28,950 Direct | -4.14% | Disposed | |
| March 15, 2015 | 703361 | A | 1,250 | · | · | 30,200 Direct | +4.32% | Acquired | |
| Feb. 12, 2015 | 703361 | M | 679 | $8.49 | $5,765 | 34,783 Direct | +1.99% | Acquired | |
| Feb. 12, 2015 | 703361 | S 10b5-1 | 679 | $21.02 | $14,273 | 34,104 Direct | -1.95% | Disposed | |
| Feb. 12, 2015 | 703361 | M | 4,167 | $5.75 | $23,960 | 38,271 Direct | +12.22% | Acquired | |
| Feb. 12, 2015 | 703361 | S 10b5-1 | 4,167 | $21.02 | $87,590 | 34,104 Direct | -10.89% | Disposed | |
| Feb. 12, 2015 | 703361 | S 10b5-1 | 5,154 | $21.02 | $108,337 | 28,950 Direct | -15.11% | Disposed | |
| Feb. 12, 2015 | 703361 | M | 4,167 | · | · | 0 Direct | -100.00% | Disposed | |
| Feb. 12, 2015 | 703361 | M | 679 | · | · | 17,655 Direct | -3.70% | Disposed | |
| Feb. 5, 2015 | 703361 | D | 10,000 | $20.01 | $200,100 | 34,104 Direct | -22.67% | Disposed | |
| Dec. 15, 2014 | 703361 | A | 2,500 | · | · | 45,654 Direct | +5.79% | Acquired | |
| Dec. 15, 2014 | 703361 | D | 2,500 | $19.48 | $48,700 | 43,154 Direct | -5.48% | Disposed | |
| Sept. 15, 2014 | 703361 | A | 5,000 | · | · | 43,154 Direct | +13.10% | Acquired | |
| June 16, 2014 | 703361 | A | 30,000 | · | · | 30,000 Direct | · | Acquired | |
| June 15, 2014 | 703361 | A | 1,250 | · | · | 38,154 Direct | +3.39% | Acquired | |
| May 15, 2014 | 703361 | A | 15,000 | · | · | 36,904 Direct | +68.48% | Acquired | |
| May 15, 2014 | 703361 | A | 39,000 | · | · | 39,000 Direct | · | Acquired |
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 |
|---|---|---|---|---|---|---|---|
| Aug. 5, 2026 | ALGM | Deferred Stock Units | Common Stock | · | · | 4,251 | Acquired |
| April 3, 2023 | AMBA | Performance Stock Units | Ordinary Shares | · | March 15, 2026 | 13,678 | Acquired |
| March 15, 2023 | AMBA | Restricted Stock Units | Ordinary Shares | · | March 15, 2026 | 20,000 | Disposed |
| March 2, 2023 | AMBA | Restricted Stock Units | Ordinary Shares | · | · | 13,678 | Acquired |
| Sept. 26, 2022 | FORM | Restricted Stock Units | Common Stock | · | · | 4,520 | Acquired |
| Dec. 26, 2018 | 703361 | Non-Qualified Stock Option (right to buy) | Common Stock | $21.94 | May 15, 2022 | 13,979 | Disposed |
| Sept. 18, 2018 | 703361 | Non-Qualified Stock Option (right to buy) | Common Stock | $12.16 | May 15, 2021 | 375 | Disposed |
| Sept. 12, 2018 | 703361 | Non-Qualified Stock Option (right to buy) | Common Stock | $12.16 | May 15, 2021 | 4,500 | Disposed |
| Jan. 22, 2018 | 703361 | Non-Qualified Stock Option (right to buy) | Common Stock | $21.94 | May 15, 2022 | 23,297 | Disposed |
| Jan. 19, 2018 | 703361 | Non-Qualified Stock Option (right to buy) | Common Stock | $12.16 | May 15, 2021 | 29,250 | Disposed |
| Jan. 19, 2018 | 703361 | Non-Qualified Stock Option (right to buy) | Common Stock | $7.67 | May 15, 2020 | 15,583 | Disposed |
| Jan. 4, 2018 | 703361 | Non-Qualified Stock Option (right to buy) | Common Stock | $5.77 | May 15, 2019 | 762 | Disposed |
| Jan. 4, 2018 | 703361 | Non-Qualified Stock Option (right to buy) | Common Stock | $8.49 | May 16, 2018 | 7,655 | Disposed |
| Aug. 4, 2017 | 703361 | Non-Qualified Stock Option (right to buy) | Common Stock | $7.67 | May 15, 2020 | 1,417 | Disposed |
| Aug. 4, 2017 | 703361 | Non-Qualified Stock Option (right to buy) | Common Stock | $12.16 | May 15, 2021 | 4,875 | Disposed |
| June 15, 2017 | 703361 | Performance Rights | Common Stock | · | · | 24,320 | Disposed |
| Feb. 15, 2017 | 703361 | Non-Qualified Stock Option (right to buy) | Common Stock | $5.77 | May 15, 2019 | 20,913 | Disposed |
| June 15, 2016 | 703361 | Performance Rights | Common Stock | $0.00 | June 15, 2017 | 30,000 | Disposed |
| June 15, 2015 | 703361 | Performance Rights | Common Stock | $0.00 | · | 24,320 | Acquired |
| May 15, 2015 | 703361 | Non-Qualified Stock Option (right to buy) | Common Stock | $21.94 | May 15, 2022 | 37,276 | Acquired |
| May 13, 2015 | 703361 | Non-Qualified Stock Option (right to buy) | Common Stock | $8.49 | May 16, 2018 | 10,000 | Disposed |
| Feb. 12, 2015 | 703361 | Non-Qualified Stock Option (right to buy) | Common Stock | $5.75 | May 17, 2017 | 4,167 | Disposed |
| Feb. 12, 2015 | 703361 | Non-Qualified Stock Option (right to buy) | Common Stock | $8.49 | May 16, 2018 | 679 | Disposed |
| June 16, 2014 | 703361 | Performance Rights | Common Stock | · | June 16, 2017 | 30,000 | Acquired |
| May 15, 2014 | 703361 | Non-Qualified Stock Option (right to buy) | Common Stock | $12.16 | May 15, 2021 | 39,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| April 8, 2022 | AMBA | Restricted Stock Units | 80,000 | Direct |