Tran Nguyen

Companies

• PROTHENA CORP PUBLIC LTD COChief financial officer Apr 2, 2013 to now¹
• Rain Oncology Inc.Board member Apr 22, 2021 to Jan 26, 2024²
• PROTHENA CORP PUBLIC LTD COOfficer Mar 1, 2019 to Feb 26, 2021³
• Sierra Oncology, Inc.Board member Mar 24, 2016 to Jun 12, 2019⁴
• PROTHENA CORP PUBLIC LTD COChief operating officer Jun 25, 2018 to Jun 25, 2018⁵

Holdings

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

Shares held

• PPPROTHENA CORP PUBLIC LTD CO PRTA40,205 shares⁶$340.1K at $8.46Jul 28, 2026

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

Recent filings

• Jul 28, 2026Returned to company 57,000 shares at $8.56 of PROTHENA CORP PUBLIC LTD CO⁶
• Jul 28, 2026Exercised options 57,000 shares of PROTHENA CORP PUBLIC LTD CO⁶
• Jul 28, 2025Granted 95,000 shares of PROTHENA CORP PUBLIC LTD CO⁷
• May 17, 2023Sold 100 shares at $76.04 of PROTHENA CORP PUBLIC LTD CO⁸
• May 17, 2023Sold 9,215 shares at $75.44 of PROTHENA CORP PUBLIC LTD CO⁸
• May 17, 2023Sold 37,044 shares at $74.55 of PROTHENA CORP PUBLIC LTD CO⁸
• May 17, 2023Sold 34,640 shares at $73.54 of PROTHENA CORP PUBLIC LTD CO⁸
• May 17, 2023Sold 14,001 shares at $72.66 of PROTHENA CORP PUBLIC LTD CO⁸
• May 17, 2023Exercised options 50,000 shares at $22.85 of PROTHENA CORP PUBLIC LTD CO⁸
• May 17, 2023Exercised options 45,000 shares at $29.81 of PROTHENA CORP PUBLIC LTD CO⁸
• Mar 15, 2023Sold 5,198 shares at $48.68 of PROTHENA CORP PUBLIC LTD CO⁹
• Mar 15, 2023Sold 4,802 shares at $48.16 of PROTHENA CORP PUBLIC LTD CO⁹
• Mar 15, 2023Exercised options 10,000 shares at $6.73 of PROTHENA CORP PUBLIC LTD CO⁹
• Feb 15, 2023Sold 664 shares at $53.87 of PROTHENA CORP PUBLIC LTD CO¹⁰
• Feb 15, 2023Sold 9,336 shares at $53.30 of PROTHENA CORP PUBLIC LTD CO¹⁰
• Feb 15, 2023Exercised options 10,000 shares at $6.73 of PROTHENA CORP PUBLIC LTD CO¹⁰
• Jan 18, 2023Sold 638 shares at $56.97 of PROTHENA CORP PUBLIC LTD CO¹¹
• Jan 18, 2023Sold 2,085 shares at $56.32 of PROTHENA CORP PUBLIC LTD CO¹¹
• Jan 18, 2023Sold 7,277 shares at $55.18 of PROTHENA CORP PUBLIC LTD CO¹¹
• Jan 18, 2023Exercised options 10,000 shares at $6.73 of PROTHENA CORP PUBLIC LTD CO¹¹
• Dec 21, 2022Sold 6,845 shares at $59.21 of PROTHENA CORP PUBLIC LTD CO¹²
• Dec 21, 2022Sold 3,155 shares at $58.46 of PROTHENA CORP PUBLIC LTD CO¹²
• Dec 21, 2022Exercised options 10,000 shares at $6.73 of PROTHENA CORP PUBLIC LTD CO¹²
• Nov 23, 2022Sold 1,469 shares at $62.28 of PROTHENA CORP PUBLIC LTD CO¹³
• Nov 23, 2022Sold 3,984 shares at $61.28 of PROTHENA CORP PUBLIC LTD CO¹³