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Antios Therapeutics

Mendham, US · Founded 2018 · Delaware corporation · 21 known investors

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Antios Therapeutics develops antiviral therapies for hepatitis B virus (HBV) and other viral diseases, including its Active Site Polymerase Inhibitor Nucleotide (ASPIN) ATI-2173 and a capsid assembly modulator program. Its treatments aim to suppress HBV replication and work toward a functional cure for HBV-infected patients.

Founders & leadership

Antios Therapeutics was founded in 2018 by Gregory Mayes.

GM
Gregory MayesFounder
DMDouglas Mayers
Douglas MayersChief Medical Officer and Cofounder2018–2023Douglas Mayers is an executive officer at Antios Therapeutics, which develops antiviral therapies for hepatitis B and other viral diseases. He trained at the University of Pennsylvania Medical School and has prior experience in medical devices, oncology, and drug development within the biotechnology industry.
TATamra Adams
Tamra AdamsChief Financial Officer2021–2023She has experience as a CFO and accountant in venture-backed companies, with expertise in financial planning, capital structures, and investor relations.
AD
Abel De La RosaNamed on SEC filing

Board

IRIyona Rajkomar
Iyona RajkomarBoard directorPartner at Pontifax Venture Capital
BR
Benjamin RovinskiBoard director
PH
Patrick HigginsBoard director
SM
Scott MorensteinBoard director
DC
David CannerBoard director

Investors · 21

Domain AssociatesreportedPrinceton · $200K – $15M

How we know: a partner's Signal profile · press coverage · Not right? Tell us

Also in the syndicate · 6

CAM CapitalFonds de solidarité des travailleurs du Québec (FTQ)GordonMD Global InvestmentsleadHeartland Healthcare CapitalPontifaxThe EPIQ Capital Grouplead

Reported raises · per SEC filings

Form D private placements

$126.4M disclosed across 4 rounds · 2018–2021

▶$75MraisedNov 2021 · 35 investors · Pharmaceuticals
Rule 506(b)
Officers, directors & promoters on the filing
  • Benjamin RovinskiDirector
  • Scott MorensteinDirector
  • Tamra AdamsExecutive Officer
  • Craig GordonDirector
  • Gregory MayesExecutive Officer, Director
  • Abel De La RosaDirector
  • Douglas MayersExecutive Officer
  • Patrick HigginsDirector
  • Iyona RajkomarDirector
Offering amount
$86M
Amount sold
$75M
First sale
Nov 2021
Incorporated
Corporation, Delaware, 2018
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$32MraisedApr 2021 · 29 investors · Pharmaceuticals
Rule 506(b)
Officers, directors & promoters on the filing
  • Abel De La RosaDirector
  • Iyona RajkomarDirector
  • Douglas MayersExecutive Officer
  • Benjamin RovinskiDirector
  • Patrick HigginsDirector
  • Tamra AdamsExecutive Officer
  • Scott MorensteinDirector
  • David CannerDirector
  • Gregory MayesExecutive Officer, Director
Offering amount
$100M
Amount sold
$32M
First sale
Apr 2021
Incorporated
Corporation, Delaware, 2018
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$4.4MraisedAug 2020 · 9 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • Idean MarvastyExecutive Officer
  • Douglas MayersExecutive Officer
  • Abel De La RosaExecutive Officer, Director
  • Nicole VitulloDirector
  • Henry Lin ChenDirector
  • Benjamin RovinskiDirector
  • Scott MorensteinDirector
Offering amount
$5M
Amount sold
$4.4M
First sale
Jul 2020
Incorporated
Corporation, Delaware, 2018
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$15MraisedDec 2018 · 10 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • Benjamin RovinskiDirector
  • Abel De La RosaExecutive Officer, Director
  • Nicole VitulioDirector
  • Henry Lin ChenDirector
  • Douglas MayersExecutive Officer
  • Scott MorensteinDirector
  • Idean MarvastyExecutive Officer
Offering amount
$25M
Amount sold
$15M
First sale
Nov 2018
Incorporated
Corporation, Delaware, 2018
Federal exemptions
06b
Full filing on SEC EDGAR ↗

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

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In the news

Frequently asked questions

What does Antios Therapeutics do?
Antios Therapeutics develops antiviral therapies for hepatitis B virus (HBV) and other viral diseases, including its Active Site Polymerase Inhibitor Nucleotide (ASPIN) ATI-2173 and a capsid assembly modulator program. Its treatments aim to suppress HBV replication and work toward a functional cure for HBV-infected patients.
Who founded Antios Therapeutics?
Antios Therapeutics was founded by Gregory Mayes in 2018.
Who are Antios Therapeutics's investors?
Antios Therapeutics's investors include Aisling Capital, Altium Capital, Avego BioScience Capital, LifeSci Venture Partners, Pontifax Venture Capital, Amzak Health, Delos Capital, Domain Associates and 7 more.
How much funding has Antios Therapeutics raised?
Antios Therapeutics has disclosed $126.4M raised across 4 rounds.
Where is Antios Therapeutics headquartered?
Antios Therapeutics is headquartered in Mendham, US.