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Porosome Therapeutics, Inc.

Develops potential medicines targeting cell secretion defects in people with chronic diseases.

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Updated Nov 10, 2026·Latest SEC filing Mar 24, 2026·Suggest an edit

About Porosome Therapeutics

Porosome Therapeutics is a private company based in Boston, Massachusetts, incorporated in 2021 in Delaware. It has reported $3,930,000 raised in two offerings on Form D since June 2022. Its chief executive is Guillermo Marmol.

Funding Rounds (SEC Form D)

First saleFiled with SECAmount soldInvestorsAvg. checkTermsFiling
Sep 8, 2023Sep 14, 2023amended Mar 24, 2026$3,625,000target not set7$517KEquityRule 506(b)Form D/A ↗3 earlier filings
Jun 7, 2022Jun 24, 2022$305,000target not set3$101KEquityRule 506(b)Form D ↗
Total, two offerings$3,930,000

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 Porosome Therapeutics's Form D filed Mar 24, 2026.

GM
Guillermo Marmol
Co-Founder & Chief Executive Officer

Sources

  1. SECPorosome Therapeutics, Inc. Form D/A, filed Jun 3, 2025
  2. SECPorosome Therapeutics, Inc. Form D/A, filed Jul 25, 2024
  3. SECPorosome Therapeutics, Inc. Form D, filed Sep 14, 2023
  4. SECPorosome Therapeutics, Inc. filing history
  5. CompanyContact
  6. CompanyTeam
  7. PressPorosome Therapeutics drug development partnership announcement