Clearside Biomedical
Alpharetta, US · Founded 2011 · Delaware corporation · 22 employees on LinkedIn · 5 known investors
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Clearside Biomedical is an intellectual property holding, investment, and commercialization company focused on its suprachoroidal space (SCS) ocular drug-delivery platform and microinjector technology. Following its emergence from Chapter 11 in 2026, it works to rehabilitate, use, and monetize its retained intellectual property.
Founders & leadership
Clearside Biomedical was founded in 2011 by Mark Prausnitz.

Board



Investors · 5
How we know: Mountain Group Capital's portfolio page · Not right? Tell us
How we know: a partner's Signal profile · board seat on SEC Form D · the VCSheet dataset · Not right? Tell us
Reported raises · per SEC filings
Form D private placements$40.6M disclosed across 6 rounds · 2012–2019
▶$3.3MraisedDec 2019 · 3 investors · PharmaceuticalsRule 506(b)
- George LasezkayExecutive Officer, Director
- Charles A. DeignanExecutive Officer
- William D. HumphriesDirector
- Clay B. ThorpDirector
- Jeffrey L. EdwardsDirector
- Christy ShafferDirector
- Richard CroarkinDirector
- Offering amount
- $3.3M
- Amount sold
- $3.3M
- First sale
- Nov 2019
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$320KraisedOct 2016 · 2 investors · PharmaceuticalsRule 506(b)
- William D. HumphriesDirector
- Gerald Cagle, Ph.D.Director
- Evgeny ZaytsevDirector
- Derek YoonDirector
- Christy L. Shaffer, Ph.D.Director
- Charles DeignanExecutive Officer
- Glenn NoronhaExecutive Officer
- Clay B. ThorpDirector
- Daniel H. WhiteExecutive Officer, Director
- Richard CroarkinDirector
- Offering amount
- $320K
- Amount sold
- $320K
- First sale
- Sep 2016
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$14.4MraisedDec 2015 · 9 investors · Other TechnologyRule 506(b)
- Charlie DeignanExecutive Officer
- Clay ThorpDirector
- William HumphriesDirector
- Evgeny ZaytsevDirector
- Christy ShafferDirector
- Daniel WhiteExecutive Officer, Director, Promoter
- Gerald D. CagleDirector
- Offering amount
- $20M
- Amount sold
- $14.4M
- First sale
- Nov 2015
- Incorporated
- Corporation, Delaware, 2011
- Federal exemptions
- 06b
▶$16.2MraisedSep 2014 · 31 investors · PharmaceuticalsRule 506(b)
- Christy ShafferDirector, Promoter
- Clay ThorpDirector
- Daniel H. WhiteExecutive Officer, Director, Promoter
- Charles A. DeignanExecutive Officer
- Glenn NoronhaExecutive Officer
- Evgeny ZaytsevDirector
- William HumphriesDirector
- Mark PrausnitzDirector, Promoter
- Gerald D. CagleDirector
- Offering amount
- $20M
- Amount sold
- $16.2M
- Minimum investment
- $50K
- Finders' fees
- $118K
- Proceeds to insiders
- $550K
- First sale
- Aug 2014
- Incorporated
- Corporation, Delaware, 2011
- Federal exemptions
- 06b
▶$3MraisedMay 2014 · 13 investors · PharmaceuticalsRule 506(b)
- William HumphriesDirector
- Jerry CagleDirector
- Clay ThorpDirector
- Mark PrausnitzDirector
- Charles A. DeignanExecutive Officer
- Glenn NoronhaExecutive Officer
- Daniel H. WhiteExecutive Officer, Director
- Christy ShafferDirector
- Offering amount
- $6M
- Amount sold
- $3M
- Proceeds to insiders
- $450K
- First sale
- Apr 2014
- Incorporated
- Corporation, Delaware, 2011
- Federal exemptions
- 06b
▶$3.2MraisedFeb 2012 · 7 investors · PharmaceuticalsRule 506(b)
- Christy ShafferDirector
- Clay ThorpDirector
- Daniel H. WhiteExecutive Officer
- Mark PrausnitzDirector
- Offering amount
- $4M
- Amount sold
- $3.2M
- Minimum investment
- $37.5K
- Proceeds to insiders
- $500K
- First sale
- Jan 2012
- Incorporated
- Corporation, Delaware, 2011
- Federal exemptions
- 06
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Founder mafia
3 people who came through Clearside Biomedical went on to found or lead other companies.
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In the news
Frequently asked questions
- What does Clearside Biomedical do?
- Clearside Biomedical is an intellectual property holding, investment, and commercialization company focused on its suprachoroidal space (SCS) ocular drug-delivery platform and microinjector technology. Following its emergence from Chapter 11 in 2026, it works to rehabilitate, use, and monetize its retained intellectual property.
- Who founded Clearside Biomedical?
- Clearside Biomedical was founded by Mark Prausnitz in 2011.
- Who are Clearside Biomedical's investors?
- Clearside Biomedical's investors include HEALTHCARE ROYALTY PARTNERS, Mountain Group Capital, Solasta Ventures, Hatteras, Hatteras Venture Partners.
- How much funding has Clearside Biomedical raised?
- Clearside Biomedical has disclosed $40.6M raised across 6 rounds.
- Where is Clearside Biomedical headquartered?
- Clearside Biomedical is headquartered in Alpharetta, US.









