Dennis Karl Huang

Companies

• Ultragenyx Pharmaceutical Inc.SVP & Chief TechOps Officer May 7, 2015 to now¹

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• UPUltragenyx Pharmaceutical Inc. RARE147,845 shares²$2.2M at $14.96Apr 16, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Apr 16, 2026Granted 23,116 shares of Ultragenyx Pharmaceutical Inc.²
• Mar 2, 2026Shares withheld for tax 999 shares at $23.39 of Ultragenyx Pharmaceutical Inc.³
• Mar 1, 2026Granted 11,137 shares of Ultragenyx Pharmaceutical Inc.³
• Mar 3, 2025Shares withheld for tax 1,348 shares at $42.92 of Ultragenyx Pharmaceutical Inc.⁴
• Mar 1, 2025Granted 18,443 shares of Ultragenyx Pharmaceutical Inc.⁴
• Mar 1, 2025Granted 14,494 shares of Ultragenyx Pharmaceutical Inc.⁴
• Mar 1, 2024Shares withheld for tax 470 shares at $53.69 of Ultragenyx Pharmaceutical Inc.⁵
• Mar 1, 2024Granted 957 shares of Ultragenyx Pharmaceutical Inc.⁵
• Mar 1, 2024Granted 17,800 shares of Ultragenyx Pharmaceutical Inc.⁵
• Mar 1, 2023Returned to company 10,599 shares at $45.65 of Ultragenyx Pharmaceutical Inc.⁶
• Mar 1, 2023Sold 389 shares at $45.65 of Ultragenyx Pharmaceutical Inc.⁶
• Mar 1, 2023Granted 22,000 shares of Ultragenyx Pharmaceutical Inc.⁶
• Mar 1, 2023Granted 2,663 shares of Ultragenyx Pharmaceutical Inc.⁶
• Mar 1, 2022Granted 14,000 shares of Ultragenyx Pharmaceutical Inc.⁷
• Mar 1, 2022Sold 3,234 shares at $66.62 of Ultragenyx Pharmaceutical Inc.⁷
• Oct 14, 2021Sold 358 shares at $81.14 of Ultragenyx Pharmaceutical Inc.⁸