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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
DEF 14ADEFINITIVE PROXY STATEMENTMar 27, 2026DEF 14ADEFINITIVE PROXY STATEMENTMar 28, 2025DEF 14AULTRAGENYX PHARMACEUTICAL INC. - DEF 14AApr 26, 2024DEF 14AULTRAGENYX PHARMACEUTICAL INC. - DEF 14AApr 24, 2023DEF 14AULTRAGENYX PHARMACEUTICAL INC. - DEF 14AApr 28, 2022DEF 14AULTRAGENYX PHARMACEUTICAL INC. - DEF 14AApr 29, 2021DEF 14ADEF 14AApr 29, 2020DEF 14ADEF 14AApr 22, 2019DEF 14ADEF 14AApr 27, 2018DEF 14ADEF 14AApr 28, 2017DEF 14ADEF 14AApr 18, 2016DEF 14ADEFINITIVE PROXY STATEMENTApr 28, 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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