Clearflow
Irvine, US · Founded 2007 · Delaware corporation · 25 employees on LinkedIn · 3 known investors
ClearFlow develops PleuraFlow Active Clearance Technology, a device that maintains chest drain patency after cardiac surgery to reduce Retained Blood Syndrome complications, along with products for sternal fixation and reconstruction following sternotomy. The products are used in ICU and surgical settings for post-cardiac-surgery patient care.
Founders & leadership
Clearflow was founded in 2007 by Edward M. Boyle.
Board


Investors · 3
Reported raises · per SEC filings
Form D private placements$49.4M disclosed across 9 rounds · 2011–2025
▶$2.1MraisedAug 2025 · 2 investors · Other Health CareRule 506(b)
- Paul MolloyExecutive Officer, Director
- Alexander SuhDirector
- Edward M. BoyleDirector
- Christopher MartinDirector
- Hannah BeathardExecutive Officer
- Ned ScheetzDirector
- Offering amount
- $4M
- Amount sold
- $2.1M
- First sale
- Jul 2025
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$2.3MraisedJun 2024 · 2 investors · Other Health CareRule 506(b)
- Ned ScheetzDirector
- Hannah BeathardExecutive Officer
- Paul MolloyExecutive Officer, Director
- Edward M. BoyleDirector
- Alexander SuhDirector
- Christopher MartinDirector
- Offering amount
- $3M
- Amount sold
- $2.3M
- First sale
- Jun 2024
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$7.5MraisedAug 2020 · 5 investors · Other Health CareRule 506(b)
- Christopher MartinDirector
- Paul MolloyExecutive Officer, Director
- Alexander SuhDirector
- Edward M. BoyleDirector
- Ned ScheetzDirector
- Offering amount
- $7.5M
- Amount sold
- $7.5M
- First sale
- Aug 2020
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$7.6MraisedMay 2019 · 8 investors · Other Health CareRule 506(b)
- Alexander SuhDirector
- Paul MolloyExecutive Officer, Director
- Edward M. BoyleDirector
- Ned ScheetzDirector
- Offering amount
- $12M
- Amount sold
- $7.6M
- First sale
- May 2019
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$12.5MraisedAug 2018 · 6 investors · Other Health CareRule 506(b)
- Paul MolloyExecutive Officer, Director
- Offering amount
- $12.5M
- Amount sold
- $12.5M
- First sale
- Feb 2018
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$5.5MraisedAug 2015 · 2 investors · Other Health CareRule 506(b)
- Edward M. Boyle, Jr.Director
- Andrew D. FirlikDirector
- Ned ScheetzDirector
- Alexander suhDirector
- Paul MolloyExecutive Officer, Director
- Offering amount
- $8.5M
- Amount sold
- $5.5M
- Minimum investment
- $2.8M
- First sale
- Jul 2015
- Incorporated
- Limited Liability Company, Delaware
- Federal exemptions
- 06b
▶$2.8MraisedNov 2014 · 3 investors · Other Health CareRule 506(b)
- Ned ScheetzDirector
- Andrew D FirlikDirector
- Edward M Boyle, Jr.Director
- Paul MolloyExecutive Officer, Director
- Alexander SuhDirector
- Offering amount
- $5M
- Amount sold
- $2.8M
- Minimum investment
- $240K
- First sale
- Oct 2014
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$4.2MraisedFeb 2014 · 5 investors · Other Health CareRule 506(b)
- Edward M. Boyle, Jr.Director
- Alexander SuhDirector
- Ned ScheetzDirector
- Andrew FirlikDirector
- Molloy PaulExecutive Officer, Director
- Offering amount
- $4.2M
- Amount sold
- $4.2M
- Minimum investment
- $150K
- First sale
- Nov 2013
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Competitors · 2
by search overlapCompanies competing with Clearflow for the same Google search keywords, organic and paid, via search-intersection analysis.
In the news
Frequently asked questions
- What does Clearflow do?
- ClearFlow develops PleuraFlow Active Clearance Technology, a device that maintains chest drain patency after cardiac surgery to reduce Retained Blood Syndrome complications, along with products for sternal fixation and reconstruction following sternotomy. The products are used in ICU and surgical settings for post-cardiac-surgery patient care.
- Who founded Clearflow?
- Clearflow was founded by Edward M. Boyle in 2007.
- Who are Clearflow's investors?
- Clearflow's investors include Aphelion Capital, California Technology Ventures, Oregon Venture Fund.
- How much funding has Clearflow raised?
- Clearflow has disclosed $49.4M raised across 9 rounds.
- Where is Clearflow headquartered?
- Clearflow is headquartered in Irvine, US.

