Arturo Molina Md.

Companies

• Protagonist Therapeutics, IncChief Medical Officer Nov 17, 2022 to now¹
• Forma Therapeutics Holdings, Inc.Board member Jan 13, 2022 to Oct 14, 2022²
• Sutro BiopharmaChief Medical Officer Sep 26, 2018 to Mar 7, 2022³

Holdings

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

Shares held

• PTProtagonist Therapeutics, Inc PTGX84,115 shares⁴$11.3M at $134.03Mar 26, 2026
• Sutro Biopharma STRO37,736 shares⁵$425.7K at $11.28Mar 5, 2022
• FTForma Therapeutics Holdings, Inc.0 shares⁶Oct 14, 2022

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

Recent filings

• Mar 26, 2026Sold 15,000 shares at $104.79 of Protagonist Therapeutics, Inc⁴
• Mar 26, 2026Exercised options 15,000 shares at $8.04 of Protagonist Therapeutics, Inc⁴
• Jan 27, 2026Sold 5,000 shares at $82.00 of Protagonist Therapeutics, Inc⁷
• Jan 27, 2026Exercised options 5,000 shares at $8.04 of Protagonist Therapeutics, Inc⁷
• Jan 26, 2026Sold 5,000 shares at $82.28 of Protagonist Therapeutics, Inc⁷
• Jan 26, 2026Exercised options 5,000 shares at $8.04 of Protagonist Therapeutics, Inc⁷
• Jan 23, 2026Sold 13,151 shares at $82.42 of Protagonist Therapeutics, Inc⁷
• Jan 20, 2026Sold 9,514 shares at $82.48 of Protagonist Therapeutics, Inc⁸
• Jan 2, 2026Granted 25,600 shares of Protagonist Therapeutics, Inc⁹
• Nov 17, 2025Sold 2,712 shares at $84.77 of Protagonist Therapeutics, Inc¹⁰
• Jun 10, 2025Sold 10,000 shares at $57.03 of Protagonist Therapeutics, Inc¹¹
• Jun 10, 2025Exercised options 10,000 shares at $8.04 of Protagonist Therapeutics, Inc¹¹
• Jun 9, 2025Sold 10,000 shares at $55.51 of Protagonist Therapeutics, Inc¹¹
• Jun 9, 2025Exercised options 10,000 shares at $8.04 of Protagonist Therapeutics, Inc¹¹
• Mar 13, 2025Sold 30,514 shares at $55.74 of Protagonist Therapeutics, Inc¹²
• Mar 13, 2025Exercised options 2,077 shares at $38.98 of Protagonist Therapeutics, Inc¹²
• Mar 13, 2025Exercised options 28,437 shares at $23.42 of Protagonist Therapeutics, Inc¹²
• Jan 16, 2025Sold 3,252 shares of Protagonist Therapeutics, Inc¹³
• Jan 16, 2025Sold 388 shares of Protagonist Therapeutics, Inc¹³
• Jan 2, 2025Granted 41,088 shares of Protagonist Therapeutics, Inc¹⁴
• Nov 27, 2024Sold 16,000 shares at $44.83 of Protagonist Therapeutics, Inc¹⁵
• Nov 27, 2024Exercised options 16,000 shares at $8.04 of Protagonist Therapeutics, Inc¹⁵
• Nov 27, 2024Sold 10,000 shares at $44.50 of Protagonist Therapeutics, Inc¹⁵
• Nov 27, 2024Exercised options 10,000 shares at $8.04 of Protagonist Therapeutics, Inc¹⁵
• Nov 26, 2024Sold 5,529 shares at $45.60 of Protagonist Therapeutics, Inc¹⁵