Timothy P. Walbert

Companies

• Latigo Biotherapeutics, Inc.Board member Aug 6, 2026 to now¹
• Kardigan, Inc.Board member Jun 18, 2026 to now²
• Odyssey Therapeutics, Inc.Board member May 7, 2026 to now³
• BioMarin PharmaceuticalBoard member Feb 26, 2025 to now⁴
• Sagimet Biosciences Inc.Board member Apr 3, 2024 to now⁵
• Mirum PharmaceuticalsBoard member Apr 6, 2023 to now⁶
• Century Therapeutics (United States)Board member Oct 3, 2022 to now⁷
• Horizon Therapeutics Public Ltd CoChief executive officer Jul 28, 2011 to Oct 6, 2023⁸
• Horizon Therapeutics Public Ltd CoChair Jul 28, 2011 to Oct 6, 2023⁸
• Horizon Therapeutics Public Ltd CoPresident Jul 28, 2011 to Oct 6, 2023⁸
• Aurinia Pharmaceuticals Inc.Board member Jan 4, 2021 to May 20, 2022⁹
• EXICURE, INC.Board member Jul 22, 2019 to Jun 4, 2021¹⁰
• Assertio Holdings, Inc.Board member May 22, 2020 to May 22, 2020¹¹
• Sucampo PharmaceuticalsBoard member Oct 14, 2015 to Feb 13, 2018¹²
• XOMA Royalty CorpBoard member Nov 15, 2010 to May 22, 2017¹³

Holdings

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

Shares held

• BioMarin Pharmaceutical BMRN17,686 shares¹⁴$968.3K at $54.75Jun 4, 2026
• MPMirum Pharmaceuticals MIRM9,680 shares¹⁵$796.0K at $82.23May 29, 2026
• KKardigan, Inc. KARD20,706 shares¹⁶$268.8K at $12.98Jun 17, 2026
• SBSagimet Biosciences Inc. SGMT2,200 shares¹⁷$19.4K at $8.82Apr 3, 2024
• HTHorizon Therapeutics Public Ltd Co0 shares¹⁸Oct 6, 2023

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

Recent filings

• Jun 17, 2026Granted 20,706 shares of Kardigan, Inc.¹⁶
• Jun 2, 2026Granted 7,490 shares of BioMarin Pharmaceutical¹⁴
• May 29, 2026Exercised options 3,977 shares of Mirum Pharmaceuticals¹⁵
• May 29, 2025Exercised options 5,703 shares of Mirum Pharmaceuticals¹⁹
• May 20, 2025Granted 6,650 shares of BioMarin Pharmaceutical²⁰
• Feb 24, 2025Granted 3,130 shares of BioMarin Pharmaceutical²¹
• Oct 6, 2023Returned to company 49,935 shares at $116.50 of Horizon Therapeutics Public Ltd Co¹⁸
• Oct 6, 2023Returned to company 100,300 shares at $116.50 of Horizon Therapeutics Public Ltd Co¹⁸
• Oct 6, 2023Returned to company 107,739 shares at $116.50 of Horizon Therapeutics Public Ltd Co¹⁸
• Oct 6, 2023Returned to company 616,772 shares at $116.50 of Horizon Therapeutics Public Ltd Co¹⁸
• Jan 5, 2023Shares withheld for tax 97,461 shares at $113.24 of Horizon Therapeutics Public Ltd Co²²
• Jan 5, 2023Exercised options 219,995 shares of Horizon Therapeutics Public Ltd Co²²
• Jan 1, 2023Shares withheld for tax 46,365 shares at $113.80 of Horizon Therapeutics Public Ltd Co²³
• Jan 1, 2023Exercised options 104,498 shares of Horizon Therapeutics Public Ltd Co²³
• Dec 30, 2022Shares withheld for tax 6,729 shares at $113.80 of Horizon Therapeutics Public Ltd Co²³
• Dec 30, 2022Exercised options 15,185 shares of Horizon Therapeutics Public Ltd Co²³
• Jun 3, 2022Sold 9,800 shares at $92.74 of Horizon Therapeutics Public Ltd Co²⁴
• Jun 3, 2022Sold 15,200 shares at $92.08 of Horizon Therapeutics Public Ltd Co²⁴
• Jun 3, 2022Exercised options 25,000 shares at $22.14 of Horizon Therapeutics Public Ltd Co²⁴
• May 31, 2022Sold 2,700 shares at $94.46 of Horizon Therapeutics Public Ltd Co²⁵
• May 31, 2022Sold 3,800 shares at $93.21 of Horizon Therapeutics Public Ltd Co²⁵
• May 31, 2022Sold 18,500 shares at $92.04 of Horizon Therapeutics Public Ltd Co²⁵
• May 20, 2022Sold 25,000 shares at $90.00 of Horizon Therapeutics Public Ltd Co²⁶
• May 20, 2022Exercised options 25,000 shares at $22.14 of Horizon Therapeutics Public Ltd Co²⁶
• May 11, 2022Sold 17,600 shares at $90.00 of Horizon Therapeutics Public Ltd Co²⁷