Home›Companies›Biotech & Pharma›Ratio Therapeutics

Ratio Therapeutics, Inc.

Develops targeted radioactive medicines for people with cancer.

Updated Nov 9, 2026·Latest SEC filing Jul 31, 2026·Suggest an edit

About Ratio Therapeutics

Ratio Therapeutics is a private company based in Boston, Massachusetts. It has reported $120,674,974 raised in two offerings on Form D since December 2023. Its chief executive is John Hoppin.

Funding Rounds (SEC Form D)

First saleFiled with SECAmount soldInvestorsAvg. checkTermsFiling
Jul 16, 2026Jul 31, 2026$69,999,974fully sold57$1.2MEquityRule 506(b)Form D ↗
Dec 7, 2023Dec 21, 2023$50,675,000fully sold46$1.1MEquityRule 506(b)Form D ↗
Total, two offerings$120,674,974

First sale is the date the first investor in the offering committed to invest. Companies must file Form D within 15 days of that date, so filing dates run later.

Leadership Team

Executive officers and directors listed on Ratio Therapeutics's Form D filed Jul 31, 2026.

SM
Scott MacDonald
Executive officer
MB
Marc Becker
Chief Financial Officer and Chief Operating Officer
WC
JH
John Hoppin
Chief Executive Officer and director
JB
John Babich
Chief Scientific Officer and director

Earlier filings also listed Shawn Hillier (executive officer, last listed Dec 2023), Scott Holbrook (director, last listed Dec 2023), Reed Malleck (executive officer, last listed Dec 2023), Matthias Friebe (executive officer, last listed Dec 2023), John Garvey (executive officer, last listed Dec 2023) and Jacob Hesterman (executive officer, last listed Dec 2023).

Sources

  1. SECRatio Therapeutics, Inc. filing history
  2. PressRatio Therapeutics and RayzeBio collaboration
  3. PressNiowave and Ratio Therapeutics supply agreement
  4. PressMarc Becker appointment