Barbara Weber

Companies

• Parabilis Medicines, Inc.Board member Jun 9, 2026 to now¹
• Tango Therapeutics (United States)Chair Feb 4, 2026 to now²
• Tango Therapeutics (United States)Board member Aug 12, 2021 to Feb 6, 2025³
• Tango Therapeutics (United States)Chief executive officer Aug 12, 2021 to Feb 6, 2025³
• Revolution Medicines (United States)Board member Feb 12, 2020 to Oct 10, 2024⁴
• Opy Acquisition Corp. IBoard member Oct 27, 2021 to Oct 27, 2021⁵

Holdings

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

Shares held

• TTTango Therapeutics (United States) TNGX1,629,254 shares⁶$38.7M at $23.74Feb 3, 2026
• RMRevolution Medicines (United States) RVMD13,065 shares⁷$2.4M at $182.09Oct 8, 2024
• OAOpy Acquisition Corp. I0 shares⁸Oct 27, 2021

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

Recent filings

• Feb 3, 2026Sold 333 shares at $12.90 of Tango Therapeutics (United States)⁶
• Feb 3, 2026Sold 30,186 shares at $12.26 of Tango Therapeutics (United States)⁶
• Feb 2, 2026Granted 37,522 shares of Tango Therapeutics (United States)⁶
• Feb 5, 2025Sold 9,013 shares at $3.16 of Tango Therapeutics (United States)⁹
• Feb 4, 2025Sold 9,778 shares at $2.99 of Tango Therapeutics (United States)⁹
• Feb 3, 2025Granted 105,875 shares of Tango Therapeutics (United States)¹⁰
• Oct 8, 2024Sold 5,200 shares at $48.02 of Revolution Medicines (United States)⁷
• Aug 21, 2024Returned to company 1,808 shares at $44.83 of Revolution Medicines (United States)¹¹
• Jun 20, 2024Granted 4,248 shares of Revolution Medicines (United States)¹²
• Jun 20, 2024Granted 4,800 shares of Revolution Medicines (United States)¹³
• Feb 7, 2024Sold 4,457 shares at $12.62 of Tango Therapeutics (United States)¹⁴
• Feb 6, 2024Sold 4,681 shares at $12.56 of Tango Therapeutics (United States)¹⁴
• Feb 1, 2024Granted 87,168 shares of Tango Therapeutics (United States)¹⁵
• Sep 1, 2023Sold 15,000 shares at $35.07 of Revolution Medicines (United States)¹⁶
• Sep 1, 2023Exercised options 11,146 shares at $4.73 of Revolution Medicines (United States)¹⁶
• Sep 1, 2023Exercised options 3,854 shares at $1.12 of Revolution Medicines (United States)¹⁶
• Jun 8, 2023Granted 5,200 shares of Revolution Medicines (United States)¹⁷
• Mar 1, 2023Granted 89,545 shares of Tango Therapeutics (United States)¹⁸
• Jun 16, 2022Granted 5,200 shares of Revolution Medicines (United States)¹⁹