RARE
Ultragenyx Pharmaceutical Inc.
Buys$00 txns
Sells$13.4M48 txns
Net-$13.4M
Insiders
| Insider | Role | Holdings | Buy $ | Sell $ | Net $ |
|---|
| Emil D Kakkis | Unknown | 735,739 | — | $7,419,864 | -$7,419,864 |
| Howard Horn | Unknown | 96,295 | — | $1,797,988 | -$1,797,988 |
| Karah Herdman Parschauer | Unknown | 92,562 | — | $1,233,298 | -$1,233,298 |
| Erik Harris | Unknown | 118,410 | — | $876,126 | -$876,126 |
| John Richard Pinion | Unknown | 133,142 | — | $836,543 | -$836,543 |
| Eric Crombez | Unknown | 111,189 | — | $574,333 | -$574,333 |
| Thomas Richard Kassberg | Unknown | 264,730 | — | $253,779 | -$253,779 |
| Shehnaaz Suliman | Unknown | 27,951 | — | $144,189 | -$144,189 |
| Corazon (Corsee) D. Sanders | Unknown | 21,095 | — | $140,023 | -$140,023 |
| Theodore Alan Huizenga | Unknown | 68,911 | — | $90,460 | -$90,460 |
Transaction History
| Date | Insider | Side | Shares | Price | Value | Holdings After | % of Position |
|---|
| 2026-08-03 | Karah Herdman Parschauer | SELL | 1,900 | $24.92 | $47,348 | 92,562 | 2% |
| 2026-08-03 | Howard Horn | SELL | 4,696 | $24.92 | $117,024 | 96,295 | 5% |
| 2026-07-01 | Howard Horn | SELL | 4,698 | $33.13 | $155,645 | 100,991 | 4% |
| 2026-06-15 | Corazon (Corsee) D. Sanders | SELL | 2,000 | $25.05 | $50,100 | 21,095 | 9% |
| 2026-06-15 | Karah Herdman Parschauer | SELL | 1,899 | $24.62 | $46,753 | 94,462 | 2% |
| 2026-06-01 | Howard Horn | SELL | 4,653 | $23.77 | $110,602 | 105,689 | 4% |
| 2026-05-18 | Shehnaaz Suliman | SELL | 5,740 | $25.12 | $144,189 | 27,951 | 17% |
| 2026-05-05 | Eric Crombez | SELL | 344 | $24.96 | $8,586 | 111,189 | 0% |
| 2026-05-01 | Howard Horn | SELL | 4,683 | $24.90 | $116,607 | 110,342 | 4% |
| 2026-04-01 | Howard Horn | SELL | 4,683 | $20.97 | $98,203 | 80,351 | 6% |
| 2026-03-10 | Karah Herdman Parschauer | SELL | 3,508 | $22.67 | $79,526 | 66,820 | 5% |
| 2026-03-06 | Karah Herdman Parschauer | SELL | 6,018 | $21.40 | $128,785 | 70,328 | 8% |
| 2026-03-03 | Howard Horn | SELL | 1,635 | $22.40 | $36,624 | 85,034 | 2% |
| 2026-03-02 | John Richard Pinion | SELL | 10,029 | $22.80 | $228,661 | 110,026 | 8% |
| 2026-03-02 | Erik Harris | SELL | 10,539 | $22.80 | $240,289 | 89,515 | 11% |
| 2026-03-02 | Emil D Kakkis | SELL | 54,404 | $22.80 | $1,240,411 | 658,994 | 8% |
| 2026-03-02 | Karah Herdman Parschauer | SELL | 8,135 | $22.80 | $185,478 | 76,346 | 10% |
| 2026-03-02 | Theodore Alan Huizenga | SELL | 1,632 | $22.80 | $37,210 | 48,670 | 3% |
| 2026-03-02 | Howard Horn | SELL | 5,290 | $22.80 | $120,612 | 89,788 | 6% |
| 2026-03-02 | Howard Horn | SELL | 3,119 | $22.54 | $70,302 | 86,669 | 3% |
| 2026-03-02 | Eric Crombez | SELL | 7,029 | $22.80 | $160,261 | 76,301 | 8% |
| 2026-02-02 | Howard Horn | SELL | 3,061 | $23.56 | $72,117 | 88,935 | 3% |
| 2026-01-02 | Howard Horn | SELL | 3,150 | $22.84 | $71,946 | 91,996 | 3% |
| 2025-12-29 | Theodore Alan Huizenga | SELL | 85 | $34.38 | $2,922 | 50,450 | 0% |
| 2025-12-10 | Howard Horn | SELL | 3,081 | $36.38 | $112,087 | 95,146 | 3% |
| 2025-10-13 | Howard Horn | SELL | 7,942 | $31.51 | $250,252 | 98,227 | 7% |
| 2025-09-18 | Theodore Alan Huizenga | SELL | 64 | $29.17 | $1,867 | 50,242 | 0% |
| 2025-09-12 | Karah Herdman Parschauer | SELL | 2,450 | $31.17 | $76,366 | 73,271 | 3% |
| 2025-09-05 | Theodore Alan Huizenga | SELL | 84 | $31.39 | $2,637 | 50,306 | 0% |
| 2025-06-20 | Corazon (Corsee) D. Sanders | SELL | 2,405 | $37.39 | $89,923 | 15,344 | 14% |
| 2025-05-05 | Eric Crombez | SELL | 520 | $39.24 | $20,405 | 71,530 | 1% |
| 2025-04-21 | Eric Crombez | SELL | 242 | $35.11 | $8,497 | 71,680 | 0% |
| 2025-03-06 | Howard Horn | SELL | 1,785 | $40.40 | $72,114 | 106,169 | 2% |
| 2025-03-03 | Thomas Richard Kassberg | SELL | 6,028 | $42.10 | $253,779 | 265,238 | 2% |
| 2025-03-03 | Karah Herdman Parschauer | SELL | 12,846 | $42.10 | $540,817 | 75,287 | 15% |
| 2025-03-03 | Eric Crombez | SELL | 8,945 | $42.10 | $376,584 | 71,922 | 11% |
| 2025-03-03 | John Richard Pinion | SELL | 14,439 | $42.10 | $607,882 | 107,766 | 12% |
| 2025-03-03 | Emil D Kakkis | SELL | 73,434 | $42.10 | $3,091,571 | 641,731 | 10% |
| 2025-03-03 | Erik Harris | SELL | 15,103 | $42.10 | $635,836 | 87,855 | 15% |
| 2025-03-03 | Theodore Alan Huizenga | SELL | 967 | $42.10 | $40,711 | 50,265 | 2% |
| 2025-02-28 | Emil D Kakkis | SELL | 25,000 | $42.48 | $1,062,000 | 2,158,985 | 1% |
| 2025-02-27 | Karah Herdman Parschauer | SELL | 2,230 | $42.93 | $95,734 | 55,751 | 4% |
| 2025-02-27 | Karah Herdman Parschauer | SELL | 760 | $42.75 | $32,490 | 54,991 | 1% |
| 2024-12-30 | Emil D Kakkis | SELL | 11,727 | $42.23 | $495,231 | 2,183,985 | 1% |
| 2024-12-10 | Emil D Kakkis | SELL | 8,273 | $50.00 | $413,650 | 2,195,712 | 0% |
| 2024-10-10 | Howard Horn | SELL | 7,465 | $52.76 | $393,853 | 92,301 | 7% |
| 2024-09-03 | Emil D Kakkis | SELL | 20,000 | $55.85 | $1,117,000 | 2,223,985 | 1% |
| 2024-09-03 | Theodore Alan Huizenga | SELL | 91 | $56.19 | $5,113 | 41,551 | 0% |