Nelson C Chan
Insider
First SEC filing: May 29, 2019 · Latest: May 29, 2019
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 |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 30, 2026 | GCTS | A | 12,971 | · | · | 147,872 Direct | +9.62% | Acquired | (price as of 2026-10-02) |
| Sept. 1, 2026 | DECK | A | 535 | · | · | 63,846 Direct | +0.85% | Acquired | (price as of 2026-10-02) |
| June 30, 2026 | GCTS | A | 9,259 | · | · | 134,901 Direct | +7.37% | Acquired | (price as of 2026-10-02) |
| June 1, 2026 | DECK | A | 448 | · | · | 63,311 Direct | +0.71% | Acquired | (price as of 2026-10-02) |
| March 31, 2026 | GCTS | A | 24,122 | · | · | 125,642 Direct | +23.76% | Acquired | (price as of 2026-10-02) |
| March 2, 2026 | DECK | A | 359 | · | · | 62,863 Direct | +0.57% | Acquired | (price as of 2026-10-02) |
| Feb. 5, 2026 | TWST | A | 5,095 | · | · | 33,251 Direct | +18.10% | Acquired | (price as of 2026-10-02) |
| Dec. 31, 2025 | GCTS | A | 22,916 | · | · | 101,520 Direct | +29.15% | Acquired | (price as of 2026-10-02) |
| Nov. 18, 2025 | DECK | A | 518 | · | · | 62,504 Direct | +0.84% | Acquired | (price as of 2026-10-02) |
| Nov. 3, 2025 | SYNA | A | 3,036 | · | · | 45,719 Direct | +7.11% | Acquired | (price as of 2026-10-02) |
| Sept. 30, 2025 | GCTS | A | 18,092 | · | · | 78,604 Direct | +29.90% | Acquired | (price as of 2026-10-02) |
| Sept. 2, 2025 | DECK | A | 377 | · | · | 61,986 Direct | +0.61% | Acquired | (price as of 2026-10-02) |
| June 30, 2025 | GCTS | A | 18,456 | · | · | 60,512 Direct | +43.88% | Acquired | (price as of 2026-10-02) |
| June 2, 2025 | DECK | A | 374 | · | · | 61,609 Direct | +0.61% | Acquired | (price as of 2026-10-02) |
| March 31, 2025 | GCTS | A | 16,768 | · | · | 42,056 Direct | +66.31% | Acquired | (price as of 2026-10-02) |
| March 3, 2025 | DECK | A | 294 | · | · | 61,235 Direct | +0.48% | Acquired | (price as of 2026-10-02) |
| Feb. 5, 2025 | TWST | A | 4,472 | · | · | 28,156 Direct | +18.88% | Acquired | (price as of 2026-10-02) |
| Dec. 31, 2024 | GCTS | A | 11,802 | · | · | 25,288 Direct | +87.51% | Acquired | (price as of 2026-10-02) |
| Nov. 18, 2024 | DECK | A | 245 | · | · | 60,941 Direct | +0.40% | Acquired | (price as of 2026-10-02) |
| Nov. 1, 2024 | SYNA | A | 2,864 | · | · | 42,683 Direct | +7.19% | Acquired | (price as of 2026-10-02) |
| Sept. 30, 2024 | GCTS | A | 8,208 | · | · | 13,486 Direct | +155.51% | Acquired | (price as of 2026-10-02) |
| Sept. 3, 2024 | DECK | A | 45 | · | · | 10,116 Direct | +0.45% | Acquired | (price as of 2026-10-02) |
| June 30, 2024 | GCTS | A | 5,278 | · | · | 5,278 Direct | · | Acquired | (price as of 2026-10-02) |
| June 3, 2024 | DECK | A | 42 | · | · | 10,071 Direct | +0.42% | Acquired | (price as of 2026-10-02) |
| March 1, 2024 | DECK | A | 48 | · | · | 10,029 Direct | +0.48% | Acquired | (price as of 2026-10-02) |
| Feb. 6, 2024 | TWST | A | 5,815 | · | · | 23,684 Direct | +32.54% | Acquired | (price as of 2026-10-02) |
| Nov. 20, 2023 | DECK | A | 68 | · | · | 9,981 Direct | +0.69% | Acquired | (price as of 2026-10-02) |
| Nov. 1, 2023 | SYNA | A | 2,328 | · | · | 39,819 Direct | +6.21% | Acquired | (price as of 2026-10-02) |
| Sept. 1, 2023 | DECK | A | 80 | · | · | 9,913 Direct | +0.81% | Acquired | (price as of 2026-10-02) |
| June 1, 2023 | DECK | A | 92 | · | · | 9,833 Direct | +0.94% | Acquired | (price as of 2026-10-02) |
| March 1, 2023 | DECK | A | 104 | · | · | 9,741 Direct | +1.08% | Acquired | (price as of 2026-10-02) |
| Feb. 7, 2023 | TWST | A | 8,212 | · | · | 17,869 Direct | +85.04% | Acquired | (price as of 2026-10-02) |
| Nov. 18, 2022 | DECK | A | 123 | · | · | 9,637 Direct | +1.29% | Acquired | (price as of 2026-10-02) |
| Nov. 1, 2022 | SYNA | A | 2,161 | · | · | 37,491 Direct | +6.12% | Acquired | (price as of 2026-10-02) |
| Sept. 15, 2022 | DECK | A | 126 | · | · | 9,514 Direct | +1.34% | Acquired | (price as of 2026-10-02) |
| June 15, 2022 | DECK | A | 159 | · | · | 9,388 Direct | +1.72% | Acquired | (price as of 2026-10-02) |
| March 15, 2022 | DECK | A | 147 | · | · | 9,229 Direct | +1.62% | Acquired | (price as of 2026-10-02) |
| Feb. 8, 2022 | TWST | A | 3,491 | · | · | 9,657 Direct | +56.62% | Acquired | (price as of 2026-10-02) |
| Dec. 15, 2021 | DECK | A | 96 | · | · | 9,082 Direct | +1.07% | Acquired | (price as of 2026-10-02) |
| Nov. 1, 2021 | SYNA | A | 1,120 | · | · | 35,330 Direct | +3.27% | Acquired | (price as of 2026-10-02) |
| Sept. 15, 2021 | DECK | A | 90 | · | · | 8,986 Direct | +1.01% | Acquired | (price as of 2026-10-02) |
| Aug. 5, 2021 | TWST | A | 966 | · | · | 6,166 Direct | +18.58% | Acquired | (price as of 2026-10-02) |
| June 15, 2021 | DECK | A | 114 | · | · | 8,896 Direct | +1.30% | Acquired | (price as of 2026-10-02) |
| March 15, 2021 | DECK | A | 97 | · | · | 8,782 Direct | +1.12% | Acquired | (price as of 2026-10-02) |
| Feb. 11, 2021 | SYNA | M | 2,900 | $52.57 | $152,453 | 37,110 Direct | +8.48% | Acquired | 130.4% (price as of 2026-10-02) |
| Feb. 11, 2021 | SYNA | M | 2,900 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 11, 2021 | SYNA | S | 2,900 | $125.00 | $362,500 | 34,210 Direct | -7.81% | Disposed | -3.1% (price as of 2026-10-02) |
| Feb. 8, 2021 | SYNA | M | 2,302 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 8, 2021 | SYNA | M | 2,400 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 8, 2021 | SYNA | S | 2,302 | $123.00 | $283,146 | 34,210 Direct | -6.30% | Disposed | -1.5% (price as of 2026-10-02) |
| Feb. 8, 2021 | SYNA | S | 2,400 | $120.18 | $288,432 | 36,512 Direct | -6.17% | Disposed | 0.8% (price as of 2026-10-02) |
| Feb. 8, 2021 | SYNA | M | 2,302 | $89.29 | $205,546 | 38,912 Direct | +6.29% | Acquired | 35.6% (price as of 2026-10-02) |
| Feb. 8, 2021 | SYNA | M | 2,400 | $62.10 | $149,040 | 36,610 Direct | +7.02% | Acquired | 95.0% (price as of 2026-10-02) |
| Feb. 3, 2021 | TWST | A | 973 | · | · | 973 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 3, 2021 | TWST | A | 486 | · | · | 5,200 Direct | +10.31% | Acquired | (price as of 2026-10-02) |
| Dec. 15, 2020 | DECK | A | 108 | · | · | 8,685 Direct | +1.26% | Acquired | (price as of 2026-10-02) |
| Nov. 2, 2020 | SYNA | A | 2,467 | · | · | 34,210 Direct | +7.77% | Acquired | (price as of 2026-10-02) |
| Sept. 15, 2020 | DECK | A | 153 | · | · | 8,577 Direct | +1.82% | Acquired | (price as of 2026-10-02) |
| Aug. 10, 2020 | SYNA | M | 4,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Aug. 10, 2020 | SYNA | S 10b5-1 | 419 | $88.99 | $37,287 | 31,743 Direct | -1.30% | Disposed | 36.1% (price as of 2026-10-02) |
| Aug. 10, 2020 | SYNA | S 10b5-1 | 1,850 | $87.87 | $162,560 | 32,162 Direct | -5.44% | Disposed | 37.8% (price as of 2026-10-02) |
| Aug. 10, 2020 | SYNA | S 10b5-1 | 8,013 | $86.12 | $690,080 | 34,012 Direct | -19.07% | Disposed | 40.6% (price as of 2026-10-02) |
| Aug. 10, 2020 | SYNA | S 10b5-1 | 18,968 | $85.46 | $1,621,005 | 42,025 Direct | -31.10% | Disposed | 41.7% (price as of 2026-10-02) |
| Aug. 10, 2020 | SYNA | M | 4,500 | $46.50 | $209,250 | 60,993 Direct | +7.97% | Acquired | 160.4% (price as of 2026-10-02) |
| Aug. 5, 2020 | TWST | A | 1,805 | · | · | 4,714 Direct | +62.05% | Acquired | (price as of 2026-10-02) |
| June 15, 2020 | DECK | A | 156 | · | · | 8,424 Direct | +1.89% | Acquired | (price as of 2026-10-02) |
| April 24, 2020 | SYNA | M | 18,750 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| April 24, 2020 | SYNA | M | 18,750 | $31.76 | $595,500 | 56,493 Direct | +49.68% | Acquired | 281.3% (price as of 2026-10-02) |
| March 16, 2020 | DECK | A | 201 | · | · | 8,268 Direct | +2.49% | Acquired | (price as of 2026-10-02) |
| Feb. 4, 2020 | TWST | A | 11,297 | · | · | 11,297 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 4, 2020 | TWST | A | 5,648 | · | · | 5,648 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 4, 2020 | TWST | A | 1,412 | · | · | 2,909 Direct | +94.32% | Acquired | (price as of 2026-10-02) |
| Dec. 16, 2019 | DECK | A | 193 | · | · | 8,067 Direct | +2.45% | Acquired | (price as of 2026-10-02) |
| Oct. 31, 2019 | SYNA | A | 4,294 | · | · | 37,743 Direct | +12.84% | Acquired | (price as of 2026-10-02) |
| Sept. 16, 2019 | DECK | A | 208 | · | · | 7,874 Direct | +2.71% | Acquired | (price as of 2026-10-02) |
| Aug. 12, 2019 | SYNA | M | 6,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Aug. 12, 2019 | SYNA | S 10b5-1 | 6,000 | $33.25 | $199,500 | 33,449 Direct | -15.21% | Disposed | 264.2% (price as of 2026-10-02) |
| Aug. 12, 2019 | SYNA | M | 6,000 | $23.16 | $138,960 | 39,449 Direct | +17.94% | Acquired | 422.9% (price as of 2026-10-02) |
| June 21, 2019 | TWST | A | 3,093 | · | · | 3,093 Direct | · | Acquired | (price as of 2026-10-02) |
| June 21, 2019 | TWST | A | 1,497 | · | · | 1,497 Direct | · | Acquired | (price as of 2026-10-02) |
| June 17, 2019 | DECK | A | 189 | · | · | 7,666 Direct | +2.53% | Acquired | (price as of 2026-10-02) |
| May 22, 2019 | SCKT | A | 8,000 | · | · | 31,000 Direct | +34.78% | Acquired | (price as of 2026-10-02) |
| May 20, 2019 | TWST | A | 23,033 | · | · | 23,033 Direct | · | Acquired | (price as of 2026-10-02) |
| May 20, 2019 | TWST | A | 13,444 | · | · | 13,444 Direct | · | Acquired | (price as of 2026-10-02) |
| March 15, 2019 | DECK | A | 219 | · | · | 7,477 Direct | +3.02% | Acquired | (price as of 2026-10-02) |
| Dec. 17, 2018 | DECK | A | 249 | · | · | 7,258 Direct | +3.55% | Acquired | (price as of 2026-10-02) |
| Nov. 13, 2018 | SYNA | A | 5,218 | · | · | 33,449 Direct | +18.48% | Acquired | (price as of 2026-10-02) |
| Sept. 25, 2018 | SYNA | M | 6,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 25, 2018 | SYNA | M | 6,000 | $32.53 | $195,180 | 28,231 Direct | +26.99% | Acquired | 272.3% (price as of 2026-10-02) |
| Sept. 17, 2018 | DECK | A | 266 | · | · | 7,009 Direct | +3.94% | Acquired | (price as of 2026-10-02) |
| June 15, 2018 | DECK | A | 261 | · | · | 6,743 Direct | +4.03% | Acquired | (price as of 2026-10-02) |
| June 1, 2018 | SCKT | A | 8,000 | · | · | 23,000 Direct | +53.33% | Acquired | (price as of 2026-10-02) |
| April 2, 2018 | SYNA | M | 3,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| April 2, 2018 | SYNA | S 10b5-1 | 3,000 | $45.17 | $135,510 | 22,231 Direct | -11.89% | Disposed | 168.1% (price as of 2026-10-02) |
| April 2, 2018 | SYNA | M | 3,000 | $28.11 | $84,330 | 25,231 Direct | +13.49% | Acquired | 330.8% (price as of 2026-10-02) |
| March 15, 2018 | DECK | A | 332 | · | · | 6,482 Direct | +5.40% | Acquired | (price as of 2026-10-02) |
| Dec. 15, 2017 | DECK | A | 409 | · | · | 6,150 Direct | +7.12% | Acquired | (price as of 2026-10-02) |
| Oct. 31, 2017 | SYNA | A | 5,378 | · | · | 22,231 Direct | +31.91% | Acquired | (price as of 2026-10-02) |
| Sept. 15, 2017 | DECK | A | 487 | · | · | 5,741 Direct | +9.27% | Acquired | (price as of 2026-10-02) |
| July 28, 2017 | SCKT | A | 8,000 | · | · | 15,000 Direct | +114.29% | Acquired | (price as of 2026-10-02) |
Showing latest 100 of 190 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.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Feb. 11, 2021 | SYNA | Director Stock Option (Right to Buy) | Common Stock | $52.57 | Oct. 28, 2023 | 2,900 | Disposed |
| Feb. 8, 2021 | SYNA | Director Stock Option (Right to Buy) | Common Stock | $89.29 | Oct. 23, 2022 | 2,302 | Disposed |
| Feb. 8, 2021 | SYNA | Director Stock Option (Right to Buy) | Common Stock | $62.10 | Oct. 24, 2021 | 2,400 | Disposed |
| Feb. 3, 2021 | TWST | Director Stock Option (right to buy) | Common Stock | $189.96 | Feb. 2, 2031 | 973 | Acquired |
| Aug. 10, 2020 | SYNA | Director Stock Option (Right to Buy) | Common Stock | $46.50 | Oct. 28, 2020 | 4,500 | Disposed |
| April 24, 2020 | SYNA | Director Stock Option (Right To Buy) | Common Stock | $31.76 | April 27, 2020 | 18,750 | Disposed |
| Feb. 4, 2020 | TWST | Director Stock Option (right to buy) | Common Stock | $26.20 | Feb. 3, 2030 | 11,297 | Acquired |
| Feb. 4, 2020 | TWST | Director Stock Option (right to buy) | Common Stock | $26.20 | Feb. 3, 2030 | 5,648 | Acquired |
| Aug. 12, 2019 | SYNA | Director Stock Option (Right to Buy) | Common Stock | $23.16 | Oct. 31, 2019 | 6,000 | Disposed |
| June 21, 2019 | TWST | Director Stock Option (right to buy) | Common Stock | $30.08 | June 20, 2029 | 3,093 | Acquired |
| May 22, 2019 | SCKT | Common stock option | Common | $2.45 | May 22, 2029 | 8,000 | Acquired |
| May 20, 2019 | TWST | Director Stock Option (right to buy) | Common Stock | $25.29 | May 19, 2029 | 23,033 | Acquired |
| May 20, 2019 | TWST | Director Stock Option (right to buy) | Common Stock | $25.29 | May 19, 2029 | 13,444 | Acquired |
| Sept. 25, 2018 | SYNA | Director Stock Option (Right to Buy) | Common Stock | $32.53 | Oct. 24, 2018 | 6,000 | Disposed |
| June 1, 2018 | SCKT | Common stock option | Common | $2.52 | June 1, 2028 | 8,000 | Acquired |
| April 2, 2018 | SYNA | Director Stock Option (Right to Buy) | Common Stock | $28.11 | April 26, 2018 | 3,000 | Disposed |
| July 28, 2017 | SCKT | Common stock option | Common | $3.88 | July 28, 2027 | 8,000 | Acquired |
| Oct. 28, 2016 | SYNA | Director Stock Option (Right to Buy) | Common Stock | $52.57 | Oct. 28, 2023 | 2,900 | Acquired |
| Oct. 23, 2015 | SYNA | Director Stock Option (Right to Buy) | Common Stock | $89.29 | Oct. 23, 2022 | 2,302 | Acquired |
| May 28, 2015 | SYNA | Director Stock Option (Right to Buy) | Common Stock | $31.83 | April 27, 2019 | 9,375 | Disposed |
| May 22, 2015 | SYNA | Director Stock Option (Right to Buy) | Common Stock | $31.83 | April 27, 2019 | 9,375 | Disposed |
| Oct. 24, 2014 | SYNA | Director Stock Option (Right to Buy) | Common Stock | $62.10 | Oct. 24, 2021 | 2,400 | Acquired |
| Feb. 25, 2014 | SYNA | Director Stock Option (Right to Buy) | Common Stock | $21.92 | April 28, 2018 | 18,750 | Disposed |
| Oct. 28, 2013 | SYNA | Director Stock Option (Right to Buy) | Common Stock | $46.50 | Oct. 28, 2020 | 4,500 | Acquired |
| May 15, 2013 | SYNA | Director Stock Option (Right to Buy) | Common Stock | · | Feb. 20, 2017 | 37,500 | Disposed |
| Oct. 31, 2012 | SYNA | Director Stock Option (Right to Buy) | Common Stock | $23.16 | Oct. 31, 2019 | 6,000 | Acquired |
| Oct. 24, 2011 | SYNA | Director Stock Option (Right to Buy) | Common Stock | $32.53 | Oct. 24, 2018 | 6,000 | Acquired |
| April 26, 2011 | SYNA | Director Stock Option (Right to Buy) | Common Stock | $28.11 | April 26, 2018 | 3,000 | Acquired |
| April 27, 2010 | SYNA | Director Stock Option (Right to Buy) | Common Stock | $31.76 | April 27, 2020 | 18,750 | Acquired |
| April 27, 2009 | SYNA | Director Stock Option (Right to Buy) | Common Stock | $31.83 | April 27, 2019 | 18,750 | Acquired |
| Dec. 12, 2008 | SLAB | Non-Qualified Stock Option (right to buy) | Common Stock, $0.0001 par value | $21.13 | Dec. 12, 2018 | 5,000 | Acquired |
| April 28, 2008 | SYNA | Director Stock Option (Right to Buy) | Common Stock | $32.88 | April 28, 2018 | 12,500 | Acquired |
| April 24, 2008 | SLAB | Non-Qualified Stock Option (right to buy) | Common Stock, $0.0001 par value | $33.85 | April 24, 2018 | 5,000 | Acquired |
| Sept. 10, 2007 | SLAB | Non-Qualified Stock Option (right to buy) | Common Stock, $0.0001 par value | $38.15 | Sept. 10, 2017 | 30,000 | Acquired |
| Feb. 20, 2007 | SYNA | Director Stock Option (Right to Buy) | Common Stock | $26.54 | Feb. 20, 2017 | 25,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 4 holdings
Securities held when first becoming an insider, per SEC Form 3.