Antios Therapeutics Inc.

MENDHAM, NJ · Founded 2018 · Biotech · Defunct

Fixed-dose combination antivirals for hepatitis B (ASPIN + nucleoside analogue in single daily pill)

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Updated · antiostherapeutics.com

Sector
Biotech
Headquarters
MENDHAM, NJ
Founded
2018
Latest Form D
$75M, Nov 2021
Total capital
$126M
Federal grants
None on recordNo awards found in SBIR/STTR, NIH, NSF or DoD records.
Private capital raised
$126M
4 Form D · last Nov 2021
59 months since last filing
Federal contracts
None on recordNo federal contract awards found.
Granted patents
2
7 pending · first 2022
Rank in peer group#397 of 1449

Capital timeline

2018201920202021FEDERAL ↑EQUITY ↓Cumulative $126M1st Form D$15M2nd Form D$4.4M3rd Form D$32M
2018201920202021FEDERAL ↑EQUITY ↓Cumulative $126M1st Form D$15M

Latest events

  • Private capital raisedForm D · SEC · 4th filing$75M
  • Private capital raisedForm D · SEC · 3rd filing$32M
  • Private capital raisedForm D · SEC · 2nd filing$4.4M
  • Private capital raisedForm D · SEC · 1st filing$15M

Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.

Standing among 1449 peers

Line = median

Biotech · Molecule

  • Granted patents#397 · top 27%

Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.

Founders and team

From SEC Form D filings
  • Abel De La RosaDirectorNamed in SEC Form D filings
  • Benjamin RovinskiDirectorNamed in SEC Form D filings
  • Craig GordonDirectorNamed in SEC Form D filings
  • David CannerDirectorNamed in SEC Form D filings
  • Douglas MayersExecutive OfficerNamed in SEC Form D filings
  • Gregory MayesExecutive Officer, DirectorNamed in SEC Form D filings
Show all 14 people
  • Henry Lin ChenDirectorNamed in SEC Form D filings
  • Idean MarvastyExecutive OfficerNamed in SEC Form D filings
  • Iyona RajkomarDirectorNamed in SEC Form D filings
  • Nicole VitulioDirectorNamed in SEC Form D filings
  • Nicole VitulloDirectorNamed in SEC Form D filings
  • Patrick HigginsDirectorNamed in SEC Form D filings
  • Scott MorensteinDirectorNamed in SEC Form D filings
  • Tamra AdamsExecutive OfficerNamed in SEC Form D filings

What it has protected

USPTO · 2 granted of 9
Show all 9 patent records
  • Oxalamido-substituted Tricyclic Inhibitors Of Hepatitis B VirusNov 11, 2025 · US 12,465,590Granted
  • Inhibitors Of Hepatitis B VirusMar 9, 2023 · Application 17937841Pending
  • Tricyclic Inhibitors Of Hepatitis B VirusNov 22, 2022 · US 11,504,382Granted
  • Pharmacokinetics And Dose-related Improvments In Subjects Treated With Phosphoramidate Clevudine ProdrugsApplication PCTUS2022031287Pending
  • Compositions And Methods Of Treating Hepatitis D And Hepatitis B/hepatitis D Co-infections With Phosphoramidate Clevudine ProdrugsApplication PCTUS2022032431Pending
  • Improved Synthesis Of Phosphoramidates For The Treatment Of Hepatitis B VirusApplication PCTUS2022031904Pending
  • Improved Synthesis Of Phosphoramidates For The Treatment Of Hepatitis B VirusApplication 63196418Pending
  • Pharmacokinetics And Dose-related Improvments In Subjects Treated With Phosphoramidate Clevudine ProdrugsApplication 63193925Pending
  • Compositions And Methods Of Treating Hepatitis D And Hepatitis B/hepatitis D Co-infections With Phosphoramidate Clevudine ProdrugsApplication 63197565Pending

Regulatory activity · Biotech

Sector-level, not company-level

Rules are matched to sector, not to company. Recent activity in a sector is context rather than a signal about this business — until rules are matched to what a company actually builds, the section is shown as context and nothing more.

Sources

Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.

How to read this page

Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.

Data freshness

SEC Form D filings through . SBIR and STTR awards through .