Daniel G. Welch

Companies

• PROTHENA CORP PUBLIC LTD COBoard member Feb 23, 2024 to now¹
• Structure Therapeutics Inc.Board member Feb 2, 2023 to now²
• Ultragenyx Pharmaceutical Inc.Board member Apr 10, 2015 to now³
• Nuvation Bio Inc.Board member Feb 12, 2021 to May 29, 2024⁴
• SeagenBoard member Jun 15, 2007 to Dec 15, 2023⁵
• Intercept PharmaceuticalsBoard member Nov 27, 2015 to Jun 1, 2020⁶

Holdings

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

Shares held

• NBNuvation Bio Inc. NUVB659,947 shares⁷$3.1M at $4.75May 24, 2024
• STStructure Therapeutics Inc. GPCR123,508 shares⁸$2.7M at $22.19Feb 7, 2023
• UPUltragenyx Pharmaceutical Inc. RARE40,441 shares⁹$613.5K at $15.17May 14, 2026
• Seagen SGEN0 shares¹⁰Dec 14, 2023

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

Recent filings

• May 14, 2026Granted 7,751 shares of Ultragenyx Pharmaceutical Inc.⁹
• May 15, 2025Granted 5,740 shares of Ultragenyx Pharmaceutical Inc.¹¹
• Jun 18, 2024Granted 5,345 shares of Ultragenyx Pharmaceutical Inc.¹²
• May 24, 2024Exercised options 366,744 shares at $1.64 of Nuvation Bio Inc.⁷
• May 24, 2024Exercised options 293,203 shares at $1.74 of Nuvation Bio Inc.⁷
• Dec 14, 2023Returned to company 10,725 shares at $229.00 of Seagen¹⁰
• Dec 14, 2023Returned to company 4,750 shares at $229.00 of Seagen¹⁰
• Aug 28, 2023Sold 1,610 shares at $209.08 of Seagen¹³
• Aug 28, 2023Sold 1,812 shares at $209.01 of Seagen¹³
• Aug 28, 2023Sold 1,503 shares at $209.16 of Seagen¹³
• Aug 28, 2023Exercised options 1,812 shares at $135.63 of Seagen¹³
• Jun 7, 2023Granted 3,860 shares of Ultragenyx Pharmaceutical Inc.¹⁴
• May 31, 2023Granted 2,044 shares of Seagen¹⁵
• May 15, 2023Sold 1,864 shares at $200.02 of Seagen¹⁶
• May 15, 2023Exercised options 1,864 shares at $135.63 of Seagen¹⁶
• May 2, 2023Sold 5,835 shares at $200.07 of Seagen¹⁷
• May 2, 2023Sold 351 shares at $200.07 of Seagen¹⁷
• May 2, 2023Sold 3,462 shares at $200.10 of Seagen¹⁷
• May 2, 2023Exercised options 3,462 shares at $147.50 of Seagen¹⁷
• May 2, 2023Sold 3,171 shares at $200.05 of Seagen¹⁷
• May 2, 2023Exercised options 3,171 shares at $160.33 of Seagen¹⁷
• May 2, 2023Sold 1,888 shares at $200.05 of Seagen¹⁷
• May 2, 2023Exercised options 1,888 shares at $64.38 of Seagen¹⁷
• May 1, 2023Sold 4,890 shares at $200.06 of Seagen¹⁷
• May 1, 2023Sold 295 shares at $200.06 of Seagen¹⁷