Thomas Richard Kassberg

Companies

• Passage BIO, Inc.Board member Oct 2, 2024 to now¹
• Ultragenyx Pharmaceutical Inc.Officer Jan 30, 2014 to Mar 4, 2025²

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. RARE264,730 shares³$4.0M at $14.96Mar 3, 2025

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

Recent filings

• Mar 3, 2025Shares withheld for tax 508 shares at $42.92 of Ultragenyx Pharmaceutical Inc.³
• Mar 3, 2025Sold 6,028 shares at $42.10 of Ultragenyx Pharmaceutical Inc.³
• Mar 1, 2025Granted 18,443 shares of Ultragenyx Pharmaceutical Inc.³
• Mar 11, 2024Sold 11,509 shares at $49.93 of Ultragenyx Pharmaceutical Inc.⁴
• Mar 1, 2024Sold 1,011 shares at $53.76 of Ultragenyx Pharmaceutical Inc.⁵
• Mar 1, 2024Shares withheld for tax 274 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
• Oct 23, 2023Sold 39,878 shares at $32.78 of Ultragenyx Pharmaceutical Inc.⁶
• Oct 23, 2023Exercised options 39,878 shares at $6.86 of Ultragenyx Pharmaceutical Inc.⁶
• Mar 1, 2023Returned to company 3,394 shares at $45.65 of Ultragenyx Pharmaceutical Inc.⁷
• Mar 1, 2023Sold 1,968 shares at $45.27 of Ultragenyx Pharmaceutical Inc.⁷
• Mar 1, 2023Granted 22,000 shares of Ultragenyx Pharmaceutical Inc.⁷
• Mar 1, 2023Granted 2,663 shares of Ultragenyx Pharmaceutical Inc.⁷
• Mar 11, 2022Sold 10,281 shares at $67.01 of Ultragenyx Pharmaceutical Inc.⁸
• Mar 1, 2022Granted 14,000 shares of Ultragenyx Pharmaceutical Inc.⁹
• Mar 1, 2022Sold 2,374 shares at $66.62 of Ultragenyx Pharmaceutical Inc.⁹
• Dec 10, 2021Gift 52 shares of Ultragenyx Pharmaceutical Inc.¹⁰
• Oct 14, 2021Sold 286 shares at $81.14 of Ultragenyx Pharmaceutical Inc.¹¹
• Sep 30, 2021Exercised options 109,734 shares at $0.31 of Ultragenyx Pharmaceutical Inc.¹²