William Aliski
Insider
First SEC filing: Oct. 9, 2018 · Latest: Feb. 3, 2021
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 |
|---|---|---|---|---|---|---|---|---|---|
| June 10, 2024 | XFOR | A | 45,000 | · | · | 96,667 Direct | +87.10% | Acquired | (price as of 2026-10-06) |
| June 13, 2023 | XFOR | A | 45,000 | · | · | 51,667 Direct | +674.97% | Acquired | (price as of 2026-10-06) |
| June 6, 2022 | XFOR | A | 6,667 | · | · | 6,667 Direct | · | Acquired | (price as of 2026-10-06) |
| June 24, 2021 | RARE | A | 4,125 | · | · | 4,125 Direct | · | Acquired | (price as of 2026-10-06) |
| June 24, 2021 | RARE | A | 2,145 | · | · | 66,849 Direct | +3.32% | Acquired | (price as of 2026-10-06) |
| June 2, 2021 | XFOR | A | 6,000 | $9.50 | $57,000 | 6,000 Direct | · | Acquired | -99.0% (price as of 2026-10-06) |
| Feb. 23, 2021 | RARE | G | 1,000 | · | · | 64,704 Direct | -1.52% | Disposed | (price as of 2026-10-06) |
| Feb. 19, 2021 | RARE | M | 7,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Feb. 19, 2021 | RARE | S | 7,500 | $149.01 | $1,117,575 | 65,704 Direct | -10.25% | Disposed | -90.3% (price as of 2026-10-06) |
| Feb. 19, 2021 | RARE | M | 7,500 | $97.85 | $733,875 | 73,204 Direct | +11.41% | Acquired | -85.2% (price as of 2026-10-06) |
| Aug. 21, 2020 | RARE | M | 5,000 | $58.74 | $293,700 | 62,018 Direct | +8.77% | Acquired | -75.4% (price as of 2026-10-06) |
| Aug. 21, 2020 | RARE | S | 5,000 | $86.57 | $432,850 | 57,018 Direct | -8.06% | Disposed | -83.3% (price as of 2026-10-06) |
| Aug. 21, 2020 | RARE | M | 5,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| June 26, 2020 | RARE | A | 4,250 | · | · | 4,250 Direct | · | Acquired | (price as of 2026-10-06) |
| June 26, 2020 | RARE | A | 2,550 | · | · | 57,018 Direct | +4.68% | Acquired | (price as of 2026-10-06) |
| June 10, 2020 | XFOR | A | 3,427 | · | · | 3,427 Direct | · | Acquired | (price as of 2026-10-06) |
| May 18, 2020 | RARE | S | 20,000 | $74.02 | $1,480,400 | 70,350 Indirect | -22.14% | Disposed | -80.5% (price as of 2026-10-06) |
| May 18, 2020 | RARE | S | 7,500 | $74.65 | $559,875 | 47,924 Direct | -13.53% | Disposed | -80.6% (price as of 2026-10-06) |
| May 18, 2020 | RARE | M | 7,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| May 18, 2020 | RARE | M | 7,500 | $40.37 | $302,775 | 55,424 Direct | +15.65% | Acquired | -64.2% (price as of 2026-10-06) |
| Sept. 18, 2019 | XFOR | A | 6,854 | · | · | 6,854 Direct | · | Acquired | (price as of 2026-10-06) |
| June 11, 2019 | RARE | A | 5,000 | · | · | 5,000 Direct | · | Acquired | (price as of 2026-10-06) |
| June 11, 2019 | RARE | A | 3,000 | · | · | 47,924 Direct | +6.68% | Acquired | (price as of 2026-10-06) |
| Dec. 7, 2018 | RARE | S 10b5-1 | 6,000 | $49.69 | $298,140 | 90,350 Indirect | -6.23% | Disposed | -70.9% (price as of 2026-10-06) |
| Nov. 8, 2018 | RARE | S 10b5-1 | 6,000 | $55.67 | $334,020 | 96,350 Indirect | -5.86% | Disposed | -74.0% (price as of 2026-10-06) |
| Oct. 8, 2018 | RARE | S 10b5-1 | 6,000 | $73.38 | $440,280 | 102,350 Indirect | -5.54% | Disposed | -80.3% (price as of 2026-10-06) |
| Aug. 8, 2018 | RARE | S | 3,750 | $76.66 | $287,475 | 72,610 Direct | -4.91% | Disposed | -81.1% (price as of 2026-10-06) |
| June 19, 2018 | RARE | A | 5,000 | · | · | 5,000 Direct | · | Acquired | (price as of 2026-10-06) |
| June 19, 2018 | RARE | A | 3,000 | · | · | 76,360 Direct | +4.09% | Acquired | (price as of 2026-10-06) |
| April 19, 2018 | RARE | S 10b5-1 | 650 | $53.97 | $35,080 | 108,350 Indirect | -0.60% | Disposed | -73.2% (price as of 2026-10-06) |
| Jan. 23, 2018 | RARE | M | 11,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Jan. 23, 2018 | RARE | M | 11,500 | $21.00 | $241,500 | 73,360 Direct | +18.59% | Acquired | -31.1% (price as of 2026-10-06) |
| June 22, 2017 | RARE | A | 3,750 | · | · | 3,750 Direct | · | Acquired | (price as of 2026-10-06) |
| June 22, 2017 | RARE | A | 1,875 | · | · | 61,860 Direct | +3.13% | Acquired | (price as of 2026-10-06) |
| Dec. 5, 2016 | RARE | M | 6,000 | $21.00 | $126,000 | 65,985 Direct | +10.00% | Acquired | -31.1% (price as of 2026-10-06) |
| Dec. 5, 2016 | RARE | S | 4,000 | $77.94 | $311,760 | 61,985 Direct | -6.06% | Disposed | -81.4% (price as of 2026-10-06) |
| Dec. 5, 2016 | RARE | S | 2,000 | $78.70 | $157,400 | 59,985 Direct | -3.23% | Disposed | -81.6% (price as of 2026-10-06) |
| Dec. 5, 2016 | RARE | M | 6,000 | · | · | 11,500 Direct | -34.29% | Disposed | (price as of 2026-10-06) |
| June 9, 2016 | RARE | A | 1,875 | · | · | 59,985 Direct | +3.23% | Acquired | (price as of 2026-10-06) |
| June 9, 2016 | RARE | A | 3,750 | · | · | 3,750 Direct | · | Acquired | (price as of 2026-10-06) |
| July 27, 2015 | RARE | S 10b5-1 | 400 | $122.58 | $49,032 | 109,000 Indirect | -0.37% | Disposed | -88.2% (price as of 2026-10-06) |
| June 18, 2015 | RARE | A | 7,500 | · | · | 7,500 Direct | · | Acquired | (price as of 2026-10-06) |
| May 27, 2015 | RARE | S 10b5-1 | 2,000 | $85.94 | $171,880 | 109,400 Indirect | -1.80% | Disposed | -83.2% (price as of 2026-10-06) |
| May 12, 2015 | RARE | S 10b5-1 | 10,500 | $68.65 | $720,825 | 111,400 Indirect | -8.61% | Disposed | -78.9% (price as of 2026-10-06) |
| Dec. 4, 2014 | RARE | S | 3,109 | $42.46 | $132,008 | 60,010 Direct | -4.93% | Disposed | -65.9% (price as of 2026-10-06) |
| Dec. 4, 2014 | RARE | S | 2,891 | $41.83 | $120,931 | 63,119 Direct | -4.38% | Disposed | -65.4% (price as of 2026-10-06) |
| Oct. 20, 2014 | RARE | M | 29,108 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Oct. 20, 2014 | RARE | M | 29,108 | $3.01 | $87,615 | 66,010 Direct | +78.88% | Acquired | 380.4% (price as of 2026-10-06) |
| July 10, 2014 | RARE | A | 7,500 | · | · | 7,500 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 5, 2014 | RARE | C | 266,343 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-06) |
| Feb. 5, 2014 | RARE | C | 84,970 | · | · | 121,900 Indirect | +230.08% | Acquired | (price as of 2026-10-06) |
| Feb. 5, 2014 | RARE | J | 29,108 | · | · | 0 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 5, 2014 | RARE | J | 91,241 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Jan. 30, 2014 | RARE | A | 17,500 | · | · | 17,500 Direct | · | Acquired | (price as of 2026-10-06) |
| Jan. 30, 2014 | RARE | P | 5,000 | $21.00 | $105,000 | 36,903 Direct | +15.67% | Acquired | -31.1% (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 |
|---|---|---|---|---|---|---|---|
| June 24, 2021 | RARE | Stock Option (Right to Buy) | Common Stock | $93.20 | June 24, 2031 | 4,125 | Acquired |
| June 2, 2021 | XFOR | Stock Option (right to buy) | Common Stock | $9.50 | June 2, 2031 | 6,000 | Acquired |
| Feb. 19, 2021 | RARE | Stock Option (Right to Buy) | Common Stock | $97.85 | June 18, 2025 | 7,500 | Disposed |
| Aug. 21, 2020 | RARE | Stock Option (Right to Buy) | Common Stock | $58.74 | June 11, 2029 | 5,000 | Disposed |
| June 26, 2020 | RARE | Stock Option (Right to Buy) | Common Stock | $76.58 | June 26, 2030 | 4,250 | Acquired |
| June 10, 2020 | XFOR | Stock Option (right to buy) | Common Stock | $8.69 | June 9, 2030 | 3,427 | Acquired |
| May 18, 2020 | RARE | Stock Option (Right to Buy) | Common Stock | $40.37 | July 10, 2024 | 7,500 | Disposed |
| Sept. 18, 2019 | XFOR | Stock Option (right to buy) | Common Stock | $14.04 | Sept. 18, 2029 | 6,854 | Acquired |
| June 11, 2019 | RARE | Stock Option (Right to Buy) | Common Stock | $58.74 | June 11, 2029 | 5,000 | Acquired |
| June 19, 2018 | RARE | Stock Option (Right to Buy) | Common Stock | $80.69 | June 19, 2028 | 5,000 | Acquired |
| Jan. 23, 2018 | RARE | Employee Stock Option (Right to Buy) | Common Stock | $21.00 | Jan. 29, 2024 | 11,500 | Disposed |
| June 22, 2017 | RARE | Employee Stock Option (Right to Buy) | Common Stock | $65.66 | June 22, 2027 | 3,750 | Acquired |
| Dec. 5, 2016 | RARE | Employee Stock Option (Right to Buy) | Common Stock | $21.00 | Jan. 29, 2024 | 6,000 | Disposed |
| June 9, 2016 | RARE | Employee Stock Option (Right to Buy) | Common Stock | $65.85 | June 9, 2026 | 3,750 | Acquired |
| June 18, 2015 | RARE | Stock Option (Right to Buy) | Common Stock | $97.85 | June 17, 2025 | 7,500 | Acquired |
| Oct. 20, 2014 | RARE | Warrant to Purchase Common Stock (Right to Buy) | Common Stock | $3.01 | Feb. 23, 2021 | 29,108 | Disposed |
| July 10, 2014 | RARE | Stock Option (Right to Buy) | Common Stock | $40.37 | July 9, 2024 | 7,500 | Acquired |
| Feb. 5, 2014 | RARE | Series A Preferred Stock | Common Stock | · | · | 266,343 | Disposed |
| Feb. 5, 2014 | RARE | Warrant to Purchase Common Stock (Right to Buy) | Common Stock | $3.01 | Feb. 23, 2021 | 29,108 | Acquired |
| Feb. 5, 2014 | RARE | Warrant to Purchase Series A Preferred Stock (Right to Buy) | Series A Preferred Stock | $0.96 | Feb. 23, 2021 | 91,241 | Disposed |
| Jan. 30, 2014 | RARE | Stock Option (Right to Buy) | Common Stock | $21.00 | Jan. 29, 2024 | 17,500 | 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.