Open Insider Trading Activity for Ultragenyx Pharmaceutical Inc. Chief Financial Officer Horn Howard
31-day price and insider activity (up to 2 years)
Daily candles with triangles for the buy and sale transactions shown below. Scroll left or zoom out to load earlier candles (up to 2 years).
▲ Insider buy
▼ Insider sale
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| Ticker | Filing Date | Transaction Date | Company | Insider | Title | Transaction | Trade Count | Shares | Avg. Price | Total Value | Position Size Change | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tax liability coverage transfers: shares are often sold to offset the tax liability from shares vesting RARE | 2026-10-19 | 2026-10-15 | Ultragenyx Pharmaceutical Inc. | Horn Howard | Chief Financial Officer | Sell | 1 | 7,066 | $15.27 | $107,897.82 | 7.34% | View Filing |
| 10b5-1: Scheduled Form 4 Transaction RARE | 2026-06-01 | 2026-06-01 | Ultragenyx Pharmaceutical Inc. | Horn Howard | Chief Financial Officer | Sell | 1 | 4,653 | $23.77 | $110,601.81 | 4.22% | View Filing |
| 10b5-1: Scheduled Form 4 Transaction RARE | 2026-03-03 | 2026-03-03 | Ultragenyx Pharmaceutical Inc. | Horn Howard | Chief Financial Officer | Sell | 3 | 10,044 | $22.65 | $227,538.26 | 3.70% | View Filing |
| Tax liability coverage transfers: shares are often sold to offset the tax liability from shares vesting RARE | 2025-10-14 | 2025-10-13 | Ultragenyx Pharmaceutical Inc. | Horn Howard | Chief Financial Officer | Sell | 1 | 7,942 | $31.51 | $250,252.42 | 7.48% | View Filing |