Third Arc Bio, Inc.
Antibody therapeutics engineered to harness immune synapse biology for solid tumors and autoimmune diseases
- Sector
- Biotech
- Headquarters
- LOWER GWYNEDD, PA
- Founded
- 2021
- Latest Form D
- $72.5M, Aug 2024
- Total capital
- $72.5M
- Federal grants
- None on recordNo awards found in SBIR/STTR, NIH, NSF or DoD records.
- Private capital raised
- $72.5M
- 1 Form D · last Aug 2024
- 27 months since last filing
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- 0
- 8 pending
Capital timeline
Latest events
- Private capital raisedForm D · SEC · 1st filing$72.5M
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.
Founders and team
From SEC Form D filings- Arjun GoyalDirectorNamed in SEC Form D filings
- Francesco DraettaDirectorNamed in SEC Form D filings
- Joseph ErhardtExecutive OfficerNamed in SEC Form D filings
- Otello StampacchiaDirectorNamed in SEC Form D filings
- Peter LebowitzExecutive Officer, DirectorNamed in SEC Form D filings
What it has protected
USPTO · 0 granted of 8- PendingAntibodies That Specifically Bind CLDN6 Or CD3 And Bispecific Antibodies That Specifically Bind CLDN6 And CD3USPTOApplication 19358808
- PendingANTI-CD3 Antibodies And Methods Of Use ThereofUSPTOApplication 19358785
- PendingANTI-CD3 Antibodies And Methods Of Use ThereofUSPTOApplication 63791917
Show all 8 patent records
- Antibodies That Specifically Bind CLDN6 Or CD3 And Bispecific Antibodies That Specifically Bind CLDN6 And CD3Apr 16, 2026 · Application 19358808Pending
- ANTI-CD3 Antibodies And Methods Of Use ThereofApr 16, 2026 · Application 19358785Pending
- ANTI-CD3 Antibodies And Methods Of Use ThereofApplication 63791917Pending
- Antibodies That Specifically Bind CLDN6 Or CD3 And Bispecific Antibodies That Specifically Bind CLDN6 And CD3Application 63791908Pending
- ANTI-CD3 Antibodies And Methods Of Use ThereofApplication 63707305Pending
- Antibodies That Specifically Bind CLDN6 Or CD3 And Bispecific Antibodies That Specifically Bind CLDN6 And CD3Application PCTUS2025051001Pending
- Antibodies That Specifically Bind CLDN6 Or CD3 And Bispecific Antibodies That Specifically Bind CLDN6 And CD3Application 63707294Pending
- ANTI-CD3 Antibodies And Methods Of Use ThereofApplication PCTUS2025051010Pending
Related companies, and why
- Apellis Pharmaceuticals, Inc.Similar federal contract value in Biotech · null in contracts
- SOLVEXA, LLCSimilar federal contract value in Biotech · null in contracts
- HASENTECH, INC.Similar federal contract value in Biotech · null in contracts
- 4D Molecular Therapeutics IncSimilar federal contract value in Biotech · null in contracts
- Pyxis OncologySimilar federal contract value in Biotech · null in contracts
- Imago BioSciencesSimilar federal contract value in Biotech · null in contracts
Regulatory activity · Biotech
- New Animal Drugs; Approval of New Animal Drug Applications; Withdrawal of Approval of New Animal Drug Application; Change of SponsorFood and Drug Administration
- Medical Devices; General and Plastic Surgery Devices; Classification of the Skin Patch for Treatment of HyperhidrosisFood and Drug Administration
- Medical Devices; Anesthesiology Devices; Classification of the Monitor for Opioid Induced Impairment of OxygenationFood and Drug Administration
- Medical Devices; Orthopedic Devices; Classification of the Medial Knee Implanted Shock AbsorberFood and Drug Administration
- Medical Devices; Neurological Devices; Classification of the External Lower Extremity Nerve Stimulator for Restless Legs SyndromeFood and Drug Administration
- Medical Devices; General Hospital and Personal Use Devices; Classification of the Infant Supine Sleep SystemFood and Drug Administration
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 .