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Ultragenyx Pharmaceutical Inc.
Pharmaceutical Preparations · DE · CIK 1515673
Develops and commercializes therapies for rare and serious diseases
red 8-K · 90d
$2.40B
Market cap
$30.68
Last close
-0.3%
1D
+5.7%
5D
4.0M
Volume
Price · last 39 sessions+23.7%
May 4L $21.59 · H $30.77Jun 29
286
Total filings
May 18, 2026
Last filing
12/31
Fiscal year end
424B5424B5Jun 14, 2024424B5424B5Jun 12, 2024424B5424B5Oct 20, 2023424B5424B5Oct 17, 2023424B5424B5May 7, 2021424B5424B5Oct 29, 2020424B5424B5Oct 28, 2020424B5424B5Feb 27, 2019424B5424B5Feb 25, 2019424B5424B5Mar 30, 2018424B5424B5Jan 24, 2018424B5424B5Jan 23, 2018424B5424B5Jul 28, 2017424B5424B5Jul 1, 2016424B5424B5Jul 17, 2015424B5424B5Jul 14, 2015
Insider Activity
In the 90 days to Mar 10, 2026: 7 sold $2.8M.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| Mar 10, 2026 | Parschauer Karah HerdmanEVP and Chief Legal Officer | Sell | 3,508 | $22.67 | $80K |
| Mar 6, 2026 | Parschauer Karah HerdmanEVP and Chief Legal Officer | Sell | 6,018 | $21.40 | $129K |
| Mar 3, 2026 | Horn HowardChief Financial Officer | Sell | 1,635 | $22.40 | $37K |
| Mar 2, 2026 | Kakkis Emil DPresident & CEO | Sell | 54,404 | $22.80 | $1.2M |
| Mar 2, 2026 | Harris ErikEVP & Chief Commercial Officer | Sell | 10,539 | $22.80 | $240K |
| Mar 2, 2026 | Pinion John RichardSee Remarks | Sell | 10,029 | $22.80 | $229K |
| Mar 2, 2026 | Parschauer Karah HerdmanEVP and Chief Legal Officer | Sell | 8,135 | $22.80 | $185K |
| Mar 2, 2026 | Crombez EricEVP and Chief Medical Officer | Sell | 7,029 | $22.80 | $160K |
| Mar 2, 2026 | Horn HowardChief Financial Officer | Sell | 5,290 | $22.80 | $121K |
| Mar 2, 2026 | Horn HowardChief Financial Officer | Sell | 3,119 | $22.54 | $70K |
| Mar 2, 2026 | Huizenga Theodore AlanSVP, Chief Accounting Officer | Sell | 1,632 | $22.80 | $37K |
| Feb 2, 2026 | Horn HowardChief Financial Officer | Sell | 3,061 | $23.56 | $72K |
| Jan 2, 2026 | Horn HowardChief Financial Officer | Sell | 3,150 | $22.84 | $72K |
| Dec 29, 2025 | Huizenga Theodore AlanSVP, Chief Accounting Officer | Sell | 85 | $34.38 | $3K |
| Dec 10, 2025 | Horn HowardChief Financial Officer | Sell | 3,081 | $36.38 | $112K |
| Oct 13, 2025 | Horn HowardChief Financial Officer | Sell | 7,942 | $31.51 | $250K |
Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.
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