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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.

MP
Mark PrausnitzCo-FounderDirector at Piezo Therapeutics
CD
Charles DeignanExecutive
GNGlenn Noronha
Glenn NoronhaChief Scientific Officer; Head of Development2013–2018Glenn Noronha is an executive officer at Clearside Biomedical with over 20 years of experience in pharmaceutical development across translational, clinical, and preclinical stages. He led the clinical and regulatory development of XIPERE (approved 2021 for macular edema due to uveitis) through NDA, and has contributed to the development of multiple approved therapeutics spanning autoimmune, inflammatory, cardiovascular, and oncology indications.
DH
Daniel H. WhiteFounder and former CEO2011–2019Daniel H. White is an executive officer and director at Clearside Biomedical, an ophthalmic drug-delivery and biotech company where he has led multiple rounds of financing and regulatory milestones including NDA filings.

Board

EZ
Evgeny ZaytsevBoard director
DYDerek Yoon
Derek YoonBoard directorPresident & CEO at Solasta Ventures
CL
Christy L. Shaffer, Ph.D.Board director
CBClay B. Thorp
Clay B. ThorpBoard directorGeneral Partner at Hatteras Venture Partners
CSChristy Shaffer
Christy ShafferBoard MemberGeneral Partner at Hatteras Venture Partners
WH
William HumphriesBoard director
GC
Gerald Cagle, Ph.D.Board director
RC
Richard CroarkinBoard director

Investors · 5

Reported raises · per SEC filings

Form D private placements

$40.6M disclosed across 6 rounds · 2012–2019

▶$3.3MraisedDec 2019 · 3 investors · Pharmaceuticals
Rule 506(b)
Officers, directors & promoters on the filing
  • 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
Full filing on SEC EDGAR ↗
▶$320KraisedOct 2016 · 2 investors · Pharmaceuticals
Rule 506(b)
Officers, directors & promoters on the filing
  • 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
Full filing on SEC EDGAR ↗
▶$14.4MraisedDec 2015 · 9 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • 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
Full filing on SEC EDGAR ↗
▶$16.2MraisedSep 2014 · 31 investors · Pharmaceuticals
Rule 506(b)
Officers, directors & promoters on the filing
  • 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
Full filing on SEC EDGAR ↗
▶$3MraisedMay 2014 · 13 investors · Pharmaceuticals
Rule 506(b)
Officers, directors & promoters on the filing
  • 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
Full filing on SEC EDGAR ↗
▶$3.2MraisedFeb 2012 · 7 investors · Pharmaceuticals
Rule 506(b)
Officers, directors & promoters on the filing
  • 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
Full filing on SEC EDGAR ↗

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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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.