Mary Kay Fenton

Companies

• Cullinan OncologyChief financial officer Apr 30, 2024 to now¹
• Tourmaline Bio, Inc.Chief financial officer May 6, 2021 to Jul 6, 2023²
• Oncorus, Inc.Board member Oct 1, 2020 to Jun 24, 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

• COCullinan Oncology CGEM127,921 shares⁴$1.7M at $13.68Jun 30, 2026
• TBTourmaline Bio, Inc.68,054 shares⁵Jul 3, 2023

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

Recent filings

• Jun 30, 2026Granted 1,541 shares at $8.60 of Cullinan Oncology⁴
• Feb 20, 2026Sold 4,398 shares at $13.62 of Cullinan Oncology⁶
• Feb 18, 2026Granted 68,750 shares of Cullinan Oncology⁷
• Dec 31, 2025Granted 27 shares at $6.49 of Cullinan Oncology⁸
• Feb 19, 2025Granted 60,000 shares of Cullinan Oncology⁹
• Jul 3, 2023Shares withheld for tax 12,946 shares at $3.08 of Tourmaline Bio, Inc.⁵
• Sep 10, 2022Granted 80,000 shares of Tourmaline Bio, Inc.¹⁰
• Dec 31, 2021Granted 1,000 shares at $13.00 of Tourmaline Bio, Inc.¹¹