Fundraising Fox

Spiral Therapeutics

South San Francisco, US · Founded 2016 · Delaware corporation · 2 known investors

Spiral Therapeutics is a clinical-stage pharmaceutical company developing therapies for balance disorders and hearing loss using its Minimally Invasive Cochlear System (MICS) drug delivery platform. Its lead program, SPT-2101, is a sustained-release dexamethasone formulation for treating Ménière's disease.

Founders & leadership

Spiral Therapeutics was founded in 2016 by Hugo Peris.

HPHugo Peris
Hugo PerisFounder & CEO
EDEugene de Juan
Eugene de JuanNamed on SEC filing
LF
Lawrence FritzNamed on SEC filing

Board

WT
WARREN THALERBoard director
JP
JEAN-FREDERIC PAULSENBoard director
GN
Guy NohraBoard directorInvestor at Alta Partners
AA
ANTHONY ADAMISBoard director
FG
FREDERIC GUERARDBoard director
GJ
Guy Jean Savoir GarciaBoard director
DXDIAMANTIS XYLAS
DIAMANTIS XYLASBoard director
AMANGELA MACFARLANE
ANGELA MACFARLANEBoard director

Investors · 2

Reported raises · per SEC filings

Form D private placements

$46.5M disclosed across 3 rounds · 2018–2025

$27.1MraisedApr 2026 · 34 investors · Pharmaceuticals
Rule 506(b)
Officers, directors & promoters on the filing
  • WARREN THALERDirector
  • EUGENE DE JUANExecutive Officer, Director
  • ANTHONY ADAMISDirector
  • FREDERIC GUERARDDirector
  • JEAN-FREDERIC PAULSENDirector
  • GUY JEAN SAVOIR GARCIADirector
  • HUGO PERISExecutive Officer, Director
  • DIAMANTIS XYLASDirector
  • ANGELA MACFARLANEDirector
Offering amount
$27.1M
Amount sold
$27.1M
First sale
Sep 2025
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
$10.9MraisedFeb 2023 · 48 investors · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • EUGENE DE JUANDirector
  • GUY P. NOHRADirector
  • ANGELA MACFARLANEDirector
  • GUY JEAN SAVOIR GARCIADirector
  • ANTHONY ADAMISDirector
  • HUGO PERISExecutive Officer, Director
  • DIAMANTIS XYLASDirector
Offering amount
$10.9M
Amount sold
$10.9M
First sale
Oct 2022
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
$8.5MraisedDec 2018 · 38 investors · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • Eugene de JuanDirector
  • Guy Jean Savoir GarciaDirector
  • Hugo PerisExecutive Officer, Director
  • Guy NohraDirector
  • Lawrence FritzDirector
Offering amount
$12.9M
Amount sold
$8.5M
First sale
Dec 2018
Incorporated
Corporation, Delaware, 2016
Federal exemptions
06b
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 Spiral Therapeutics do?
Spiral Therapeutics is a clinical-stage pharmaceutical company developing therapies for balance disorders and hearing loss using its Minimally Invasive Cochlear System (MICS) drug delivery platform. Its lead program, SPT-2101, is a sustained-release dexamethasone formulation for treating Ménière's disease.
Who founded Spiral Therapeutics?
Spiral Therapeutics was founded by Hugo Peris in 2016.
Who are Spiral Therapeutics's investors?
Spiral Therapeutics's investors include Catalio Capital Management, Alta Partners.
How much funding has Spiral Therapeutics raised?
Spiral Therapeutics has disclosed $46.5M raised across 3 rounds.
Where is Spiral Therapeutics headquartered?
Spiral Therapeutics is headquartered in South San Francisco, US.