Ultragenyx Pharmaceutical Inc. (RARE)
Nasdaq: RARE · Pharmaceutical Preparations · Novato, CA · filing with the SEC since 2011
Who runs Ultragenyx Pharmaceutical Inc.
Officers and directors as they report to the SEC on Forms 3, 4 and 5, named as filedChief executive, as filed
Kakkis Emil D
President & CEO. First filing Jan 2014, latest Apr 20, 2026, 26 filings in all.
Officers reporting now
8
of 15 people with a filing in the last fifteen months
Directors reporting now
7
25 people on the record since 2014
Officerssales are open-market, Oct 19, 2025 to Oct 19, 2026
| Name | Title as filed | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Horn Howard | Chief Financial Officer | Oct 2023 | Oct 19, 2026 | 12 · $1.2M |
| Huizenga Theodore Alan | SVP, Chief Accounting Officer | Mar 2014 | Sep 15, 2026 | 4 · $100,000 |
| Parschauer Karah Herdman | EVP and Chief Legal Officer | Jun 2016 | Aug 4, 2026 | 5 · $500,000 |
| Crombez Eric | EVP and Chief Medical Officer | May 2023 | May 6, 2026 | 2 · $200,000 |
| Kakkis Emil D | President & CEO | Jan 2014 | Apr 20, 2026 | 1 · $1.2M |
| Harris Erik | EVP & Chief Commercial Officer | Jun 2019 | Apr 20, 2026 | 1 · $200,000 |
| Huang Dennis Karl | EVP, Chief Technical Operations Officer | May 2015 | Apr 20, 2026 | none |
| Pinion John Richard | EVP, Chief Quality Operations Officer | Jul 2015 | Apr 20, 2026 | 1 · $200,000 |
Directorssales are open-market, Oct 19, 2025 to Oct 19, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Sanders Corazon (Corsee) D. | director | Jun 2021 | Jun 15, 2026 | 1 · $100,000 |
| Dunsire Deborah | director | Apr 2017 | May 18, 2026 | none |
| Fust Matthew K | director | Jan 2014 | May 18, 2026 | none |
| Narachi Michael | director | Feb 2015 | May 18, 2026 | none |
| Ray Amrit | director | Apr 2022 | May 18, 2026 | none |
| Suliman Shehnaaz | director | Feb 2019 | May 18, 2026 | 1 · $100,000 |
| Welch Daniel G | director | Apr 2015 | May 18, 2026 | none |
Earlier names on the record10, newest filing first
Kassberg Thomas Richard · officer · last filing Mar 2025Bedrosian Camille L · officer · last filing Mar 2023Dier Mardi · officer · last filing Oct 2022Ekman Lars · director · last filing Jun 2022Aliski William · director · last filing Jun 2021Sharp Shalini · officer · last filing Oct 2020Siegall Clay B · director · last filing Aug 2020Hogenhuis Wladimir · officer · last filing Oct 2019Dallas Jayson Donald Alexander · officer · last filing Jun 2018Agarwal Sunil · officer · last filing Aug 2016
A person is listed as reporting now after a filing in the last fifteen months. The record shows when someone last filed; it does not say why they stopped. Each name links to the filings on sec.gov.