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Sonavex
Baltimore, US · Founded 2013 · Delaware corporation · 25 employees on LinkedIn · 13 known investors
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Sonavex develops medical device technologies focused on vascular access and related clinical applications, drawing on ultrasound-based imaging and monitoring products. The company serves clinical and surgical care settings, particularly in the dialysis and renal care space.
Founders & leadership
Sonavex was founded in 2013 by David Narrow, Devin O'Brien-Coon, and Jerry L. Prince.
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Jerry L. PrinceCo-FounderJerry L. Prince holds a B.S. from the University of Connecticut and advanced degrees in electrical engineering and computer science from MIT. He is William B. Kouwenhoven Professor at Johns Hopkins University with appointments across electrical and computer engineering, radiology, biomedical engineering, computer science, and applied mathematics, and has previously worked at Brigham and Women's Hospital, MIT Lincoln Laboratories, and The Analytic Sciences Corporation.
JR
John RappeChief Business OfficerJohn Rappe brings over 25 years of medical device industry experience, with executive leadership roles across both public and private organizations spanning cardiovascular, nephrology, oncology, and dental markets. His background includes oversight of direct and channel sales operations, business development, and product development across global markets.
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Alex YevzlinNamed on SEC filing
Board
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Robert HallenbeckBoard director
MJ
Michael J. Hennessy, Jr.Board director
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Investors · 13
Fusionlisted by FusionPalo Alto · $500K – $1M
How we know: the VCSheet dataset · Not right? Tell us
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JStar Capital Investmentslisted by JStar Capital InvestmentsAustin
How we know: JStar Capital Investments's portfolio page · sonavex.com · Not right? Tell us
Keiretsu Forumlisted by Keiretsu ForumSan Francisco East Bay · $250K – $2M
How we know: Keiretsu Forum's portfolio page · Not right? Tell us
Maryland TEDCOlisted by Maryland TEDCOColumbia · $500K – $1.5M
How we know: Maryland TEDCO's portfolio page · Not right? Tell us
Riptide Ventureslisted by Riptide VenturesBaltimore · $750Kvia Mike Leffer · inferred
How we know: sonavex.com · Not right? Tell us
Also in the syndicate · 3
GenHenn CapitalOakwood Circle VenturesPartners Investment
Funding
SEC filings, press & company announcements$37.5M disclosed across 7 of 8 rounds · 2015–2026
- $15MraisedOct 2024 · 2 sourcesSource ↗
- Undisclosed amountSeries A-2Oct 2024
GenHenn Capital, JSTAR Capital, Oakwood Circle Ventures, Partners Investment, Riptide Ventures, Unorthodox Ventures
Source ↗
▶$3.1MraisedJul 2026 · 5 investors · BiotechnologyRule 506(b)
▶$3.1MraisedJul 2026 · 5 investors · Biotechnology
Rule 506(b)Officers, directors & promoters on the filing
- David NarrowExecutive Officer, Director
- Devin O'Brien-CoonDirector
- Alex YevzlinExecutive Officer
- William NilandDirector
- Robert HallenbeckDirector
- Evan PritchardDirector
- Michael J. Hennessy, Jr.Director
- Offering amount
- $15M
- Amount sold
- $3.1M
- Proceeds to insiders
- $400K
- First sale
- Jul 2026
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$15MraisedNov 2024 · 45 investors · BiotechnologyRule 506(b)
▶$15MraisedNov 2024 · 45 investors · Biotechnology
Rule 506(b)Officers, directors & promoters on the filing
- Bill NilandDirector
- John RappeExecutive Officer
- David NarrowExecutive Officer, Director
- Jerry PrinceDirector
- Robert HallenbeckDirector
- Devin O'Brien-CoonExecutive Officer, Director
- Michael J. Hennessy, Jr.Director
- Offering amount
- $15M
- Amount sold
- $15M
- Proceeds to insiders
- $300K
- First sale
- Aug 2021
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$1.8MraisedNov 2019 · 11 investors · BiotechnologyRule 506(b)
▶$1.8MraisedNov 2019 · 11 investors · Biotechnology
Rule 506(b)Officers, directors & promoters on the filing
- David NarrowExecutive Officer, Director
- Devin O'Brien-CoonExecutive Officer, Director
- Bill NilandDirector
- Jerry PrinceDirector
- Robert HallenbeckDirector
- Amount sold
- $1.8M
- First sale
- Oct 2019
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$2.2MraisedJan 2017 · 12 investors · BiotechnologyRule 506(b)
▶$2.2MraisedJan 2017 · 12 investors · Biotechnology
Rule 506(b)Officers, directors & promoters on the filing
- Bill NilandDirector
- David NarrowExecutive Officer, Director
- Devin O'Brien-CoonExecutive Officer, Director
- Jerry L. PrinceDirector
- Robert HallenbeckDirector
- Offering amount
- $4.3M
- Amount sold
- $2.2M
- Proceeds to insiders
- $136K
- First sale
- Aug 2016
- Incorporated
- Corporation, Delaware, 2013
- Federal exemptions
- 06b
▶$320.2KraisedOct 2015 · 6 investors · BiotechnologyRule 506(b)
▶$320.2KraisedOct 2015 · 6 investors · Biotechnology
Rule 506(b)Officers, directors & promoters on the filing
- David NarrowExecutive Officer, Director
- Devin O'Brien-CoonExecutive Officer, Director
- Jerry PrinceDirector
- Offering amount
- $320.2K
- Amount sold
- $320.2K
- First sale
- Oct 2015
- Incorporated
- Corporation, Delaware, 2013
- Federal exemptions
- 06b
▶$70KraisedJun 2015 · 2 investors · BiotechnologyRule 506(b)
▶$70KraisedJun 2015 · 2 investors · Biotechnology
Rule 506(b)Officers, directors & promoters on the filing
- David NarrowExecutive Officer
- Devin O'Brien-CoonExecutive Officer, Director
- Offering amount
- $400K
- Amount sold
- $70K
- Minimum investment
- $5K
- First sale
- May 2015
- Incorporated
- Corporation, Delaware, 2013
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Founder mafia
2 people who came through Sonavex went on to found or lead other companies.
Related companies · 3
Laminate Medical TechnologiesLaminate Medical Technologies develops solutions for arteriovenous fistulas in hemodialysis patients, with a focus on reducing primary fistula failure rates. The company produces VasQ, an external support device designed to improve fistula functionality without requiring additional procedures.
SonovascularSonovascular is developing an interventional treatment for venous thromboembolism (VTE) that uses microbubble-mediated cavitation, delivered as a cath lab-based procedure without requiring ICU treatment. The company operates in the cardiovascular medical device space.
Neuwave MedicalNeuWave Medical develops the NeuWave Microwave Ablation System, a device used by healthcare professionals to ablate soft tissue, including non-resectable liver tumors, in percutaneous, open surgical, and laparoscopic settings. The system includes a probe portfolio and ABLATE-IQ software for margin confirmation, and is marketed for use in the United States; the company is a wholly owned subsidiary of Quantum Surgical, Inc.
Companies working in the same space as Sonavex.
In the news
Frequently asked questions
- What does Sonavex do?
- Sonavex develops medical device technologies focused on vascular access and related clinical applications, drawing on ultrasound-based imaging and monitoring products. The company serves clinical and surgical care settings, particularly in the dialysis and renal care space.
- Who founded Sonavex?
- Sonavex was founded by David Narrow, Devin O'Brien-Coon, Jerry L. Prince in 2013.
- Who are Sonavex's investors?
- Sonavex's investors include Fusion, Gaingels, JStar Capital Investments, Keiretsu Forum, Maryland TEDCO, Rembrandt Venture Partners, Riptide Ventures, TEDCO and 2 more.
- How much funding has Sonavex raised?
- Sonavex has disclosed $37.5M raised across 7 of its 8 known rounds.
- Where is Sonavex headquartered?
- Sonavex is headquartered in Baltimore, US.