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Sonavex, Inc.

Automated ultrasound devices help dialysis care teams assess blood vessels.

Updated Nov 10, 2026·Latest SEC filing Jul 28, 2026·Suggest an edit

About Sonavex

Sonavex is a private company based in Baltimore, Maryland. It has reported $22,500,260 raised in six offerings on Form D since June 2015. Its chief executive is David Narrow.

Funding Rounds (SEC Form D)

First saleFiled with SECAmount soldInvestorsAvg. checkTermsFiling
Jul 13, 2026Jul 28, 2026$3,102,995of $15.0M target5$620KEquityRule 506(b)Form D ↗
Aug 26, 2021Feb 2, 2022amended Nov 19, 2024$15,000,004fully sold45$333KEquity, SAFE Notes which will convert into equity.Rule 506(b)Form D/A ↗1 earlier filing
Oct 11, 2019Nov 1, 2019$1,800,000target not set11$163KEquityRule 506(b)Form D ↗
Aug 4, 2016Aug 18, 2016amended Jan 19, 2017$2,207,069of $4.2M target12$183KEquityRule 506(b)Form D/A ↗1 earlier filing
Oct 14, 2015Oct 20, 2015$320,192fully sold6$53,365Equity, Issuance of Series Seed Preferred Stock upon conversion of Convertible Notes.Rule 506(b)Form D ↗
May 4, 2015Jun 29, 2015$70,000of $400K target2$35,000DebtRule 506(b)Form D ↗
Total, six offerings$22,500,260

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 Sonavex's Form D filed Jul 28, 2026.

Alex Yevzlin
Alex Yevzlin
Chief Medical Officer
David Narrow
David Narrow
Chief Executive Officer and director
William Niland
William Niland
Director
Also a director at CoapTech.

Earlier filings also listed John Rappe (executive officer, last listed Nov 2024) and Jerry Prince (director, last listed Nov 2024).

Sources

  1. SECSonavex, Inc. Form D, filed Feb 2, 2022
  2. SECSonavex, Inc. Form D, filed Aug 18, 2016
  3. SECSonavex, Inc. filing history
  4. CompanySonavex contact
  5. CompanySonavex team