Natalie C. Holles

Companies

• Aura Investments Ltd.Board member May 7, 2026 to now¹
• Aura Investments Ltd.Officer May 7, 2026 to now¹
• LeonaBio, Inc.Board member May 7, 2026 to now²
• Third Harmonic Bio, Inc.Board member Sep 14, 2022 to now³
• Third Harmonic Bio, Inc.Chief executive officer Sep 14, 2022 to now³
• Day One Biopharmaceuticals, Inc.Board member May 26, 2021 to now⁴
• Rubius Therapeutics (United States)Board member Mar 27, 2019 to May 13, 2022⁵
• Allakos Inc.Board member Dec 31, 2020 to Oct 14, 2021⁶
• Audentes Therapeutics, Inc.President May 8, 2018 to Jan 15, 2020⁷
• Audentes Therapeutics, Inc.Chief operating officer Jul 19, 2016 to Jan 15, 2020⁸

Holdings

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

Shares held

• Aura Investments Ltd. AURA1,153,962 shares⁹$7.3M at $6.30May 19, 2026
• DODay One Biopharmaceuticals, Inc.0 shares¹⁰Apr 23, 2026
• THThird Harmonic Bio, Inc.0 shares¹¹Aug 11, 2025

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

Recent filings

• May 19, 2026Granted 553,844 shares of Aura Investments Ltd.⁹
• May 19, 2026Granted 600,118 shares of Aura Investments Ltd.⁹
• Apr 23, 2026Returned to company 57,310 shares of Day One Biopharmaceuticals, Inc.¹⁰
• Aug 11, 2025Other 1,218,836 shares of Third Harmonic Bio, Inc.¹¹
• May 9, 2024Sold 20,222 shares at $12.18 of Third Harmonic Bio, Inc.¹²
• May 9, 2024Exercised options 20,222 shares at $4.20 of Third Harmonic Bio, Inc.¹²
• Apr 11, 2024Sold 13,558 shares at $12.19 of Third Harmonic Bio, Inc.¹³
• Apr 11, 2024Exercised options 13,558 shares at $4.20 of Third Harmonic Bio, Inc.¹³