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Calyxo, Inc.

Calyxo makes a kidney stone removal system for urologists.

Updated Nov 10, 2026·Latest SEC filing Apr 16, 2026·Suggest an edit

About Calyxo

Calyxo is a private company based in Pleasanton, California. It has reported $156,065,003 raised in ten offerings on Form D since March 2016. Its chief executive is Joe Catanese.

Funding Rounds (SEC Form D)

First saleFiled with SECAmount soldInvestorsAvg. checkTermsFiling
Apr 1, 2026Apr 16, 2026$40,099,963fully sold12$3.3MEquityRule 506(b)Form D ↗
Dec 20, 2024Dec 26, 2024$28,275,528of $31.9M target10$2.8MEquityRule 506(b)Form D ↗
Oct 27, 2023Nov 3, 2023$50,000,000fully sold16$3.1MEquityRule 506(b)Form D ↗
Jan 24, 2022Feb 2, 2022$22,693,900fully sold18$1.2MEquityRule 506(b)Form D ↗
Oct 2, 2019Oct 15, 2019$12,863,376of $15.8M target20$643KEquityRule 506(b)Form D ↗
Apr 26, 2019May 8, 2019$450,001of $1.0M target17$26,471Debt, Options, Securities on exerciseRule 506(b)Form D ↗
Jun 13, 2018Aug 16, 2018$1,602,235of $1.7M target50$32,045EquityRule 506(b)Form D ↗
Sep 25, 2017Sep 25, 2017$30,000of $150K target2$15,000DebtRule 506(b)Form D ↗
Mar 28, 2016Mar 29, 2016$50,000fully sold2$25,000DebtRule 506(b)Form D ↗
Not yetMar 4, 2016$0target not set0—EquityRule 506(b)Form D ↗
Total, ten offerings$156,065,003

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 Calyxo's Form D filed Apr 16, 2026.

Douglas Hughes
Douglas Hughes
Chief Financial Officer and director
Jee Shin
Jee Shin
Founder and Chief Business Officer, director
Also a chief executive officer and director at Nob Hill Therapeutics.
Joe Catanese
Joe Catanese
President and Chief Executive Officer, director
DA
Ryan Drant
Ryan Drant
Founder and Managing Partner, director
Chris Buchko
Chris Buchko
Chief Administrative Officer
DM
Dana Mead
Director

Earlier filings also listed Robert Goforth (director, last listed Oct 2019), Beverly Huss (director, last listed Oct 2019) and Mark Kidd (executive officer, last listed Sep 2017).

Sources

  1. SECCalyxo, Inc. filing history
  2. CompanyCalyxo contact
  3. CompanyCalyxo leadership
  4. InvestorQuesta Capital: Calyxo