/Companies

PhaseRx

Acquired

Seattle, US · Delaware corporation · 1 known investors

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Acquired by Roivant Sciences January 2018 · $800K ($800,000 plus assumption of certain liabilities) · source ↗

PhaseRx was a Seattle-based clinical-stage biopharmaceutical company developing mRNA-based intracellular enzyme replacement therapies for inherited liver enzyme deficiencies, initially targeting urea cycle disorders.

Founders & leadership

RW
Robert W. OverellFounder
PJ
Paul JohnsonExecutivePaul Johnson is a biotechnology executive and scientist with over 40 years of research and development experience in drug discovery and delivery, with expertise in nucleic acid biochemistry, molecular biology, and bioinformatics. He has led programs spanning protein and oligonucleotide drug development across oncology, cardiovascular, metabolic, and infectious disease areas.
MH
Michael HoustonExecutive
AL
Andrew LeonExecutive

Board

JS
John SchmidtBoard director
BA
Brian AtwoodBoard director
SG
Steven GillisBoard director
JDJohn D. Diekman
John D. DiekmanBoard directorFounding Partner at 5AM Ventures
RU
Richard UlevitchBoard director

Investors · 1

Reported raises · per SEC filings

Form D private placements

$7.6M disclosed across 2 of 3 rounds · 2012–2016

▶$420KofferedJun 2016 · 1 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • PAUL JOHNSONExecutive Officer, Director
  • Michael HoustonExecutive Officer
  • Shing-Yin (Helen) TsuiExecutive Officer
  • JOHN SCHMIDTDirector
  • ROBERT W. OVERELLExecutive Officer, Director, Promoter
  • BRIAN ATWOODDirector
  • Richard UlevitchDirector
  • Michelle GriffinDirector
  • STEVEN GILLISDirector
Offering amount
$420K
First sale
Jun 2016
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$4MraisedDec 2015 · 17 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • JOHN SCHMIDTDirector
  • Richard UlevitchDirector
  • ROBERT W. OVERELLExecutive Officer, Director, Promoter
  • PAUL JOHNSONExecutive Officer, Director
  • BRIAN ATWOODDirector
  • STEVEN GILLISDirector
  • Michael HoustonExecutive Officer
Offering amount
$4M
Amount sold
$4M
Sales commissions
$280K
Placement agents
Palladium Capital Advisors, LLC
First sale
Dec 2015
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$3.6MraisedFeb 2012 · 5 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • Andrew LeonExecutive Officer
  • Steven GillisDirector
  • John D. DiekmanDirector
  • John A. SchmidtDirector
  • Brian G. AtwoodDirector
  • Robert W. OverellExecutive Officer, Director, Promoter
  • Paul H. JohnsonExecutive Officer, Director
Offering amount
$4.7M
Amount sold
$3.6M
First sale
Feb 2012
Incorporated
Corporation, Delaware
Federal exemptions
06
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Frequently asked questions

What does PhaseRx do?
PhaseRx was a Seattle-based clinical-stage biopharmaceutical company developing mRNA-based intracellular enzyme replacement therapies for inherited liver enzyme deficiencies, initially targeting urea cycle disorders.
Who founded PhaseRx?
PhaseRx was founded by Robert W. Overell.
Who are PhaseRx's investors?
PhaseRx's investors include 5AM Ventures.
How much funding has PhaseRx raised?
PhaseRx has disclosed $7.6M raised across 2 of its 3 known rounds.
Where is PhaseRx headquartered?
PhaseRx is headquartered in Seattle, US.