Emil D. Kakkis

Companies

• Ultragenyx Pharmaceutical Inc.Chief executive officer Feb 7, 2014 to now¹
• Ultragenyx Pharmaceutical Inc.President Feb 7, 2014 to now¹
• Ultragenyx Pharmaceutical Inc.Board member Jan 30, 2014 to now²
• Ultragenyx Pharmaceutical Inc.Officer Jan 30, 2014 to Jan 30, 2014²
• BioMarin PharmaceuticalSVP, Chief Medical Officer Jan 10, 2006 to Mar 4, 2009³

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. RARE935,739 shares⁴$14.0M at $14.96Apr 20, 2026

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

Recent filings

• Apr 16, 2026Granted 76,745 shares of Ultragenyx Pharmaceutical Inc.⁴
• Mar 2, 2026Sold 54,404 shares at $22.80 of Ultragenyx Pharmaceutical Inc.⁵
• Mar 1, 2026Granted 71,177 shares of Ultragenyx Pharmaceutical Inc.⁵
• Mar 3, 2025Sold 73,434 shares at $42.10 of Ultragenyx Pharmaceutical Inc.⁶
• Mar 1, 2025Granted 107,292 shares of Ultragenyx Pharmaceutical Inc.⁶
• Mar 1, 2025Granted 43,268 shares of Ultragenyx Pharmaceutical Inc.⁶
• Feb 28, 2025Sold 25,000 shares at $42.48 of Ultragenyx Pharmaceutical Inc.⁶
• Dec 30, 2024Sold 11,727 shares at $42.23 of Ultragenyx Pharmaceutical Inc.⁷
• Dec 10, 2024Sold 8,273 shares at $50.00 of Ultragenyx Pharmaceutical Inc.⁸
• Dec 9, 2024Gift 20,000 shares of Ultragenyx Pharmaceutical Inc.⁸
• Sep 3, 2024Sold 20,000 shares at $55.85 of Ultragenyx Pharmaceutical Inc.⁹
• Aug 6, 2024Sold 20,000 shares at $50.17 of Ultragenyx Pharmaceutical Inc.¹⁰
• Mar 1, 2024Granted 3,132 shares of Ultragenyx Pharmaceutical Inc.¹¹
• Mar 1, 2024Shares withheld for tax 17,417 shares at $53.69 of Ultragenyx Pharmaceutical Inc.¹¹
• Mar 1, 2024Granted 38,428 shares of Ultragenyx Pharmaceutical Inc.¹¹
• Feb 7, 2024Sold 30,000 shares at $45.00 of Ultragenyx Pharmaceutical Inc.¹²
• Dec 29, 2023Sold 30,000 shares at $47.87 of Ultragenyx Pharmaceutical Inc.¹³
• Oct 19, 2023Sold 47,853 shares at $33.52 of Ultragenyx Pharmaceutical Inc.¹⁴
• Oct 19, 2023Exercised options 47,853 shares at $6.86 of Ultragenyx Pharmaceutical Inc.¹⁴
• Mar 1, 2023Shares withheld for tax 16,140 shares at $45.65 of Ultragenyx Pharmaceutical Inc.¹⁵
• Mar 1, 2023Granted 46,200 shares of Ultragenyx Pharmaceutical Inc.¹⁵
• Mar 1, 2023Granted 8,716 shares of Ultragenyx Pharmaceutical Inc.¹⁵
• Dec 30, 2022Sold 19,582 shares at $45.57 of Ultragenyx Pharmaceutical Inc.¹⁶
• Mar 1, 2022Granted 52,041 shares of Ultragenyx Pharmaceutical Inc.¹⁷
• Mar 1, 2022Shares withheld for tax 12,162 shares at $67.37 of Ultragenyx Pharmaceutical Inc.¹⁷