Calder Biosciences Inc.
DT-preF, a pre-fusion RSV F subunit vaccine immunogen for elderly populations
- Sector
- Biotech
- Headquarters
- Brooklyn, NY
- Total capital
- $13.2M
- Federal grants
- $13.2M
- 14 awards · 2017–2022
- Rank in peer group#108 of 514
- Private capital raised
- None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- 5
- 12 pending · first 2018
- Rank in peer group#71 of 514
Capital timeline
Latest events
- Federal grantHealth and Human S · Phase II · An RSV Prefusion F Vaccine that Overcomes Immunosenescence$985K
- Federal grantHealth and Human S · Phase II · An RSV Prefusion F Vaccine that Overcomes Immunosenescence$989K
- Federal grantHealth and Human S · Phase II · An RSV Prefusion F Vaccine that Overcomes Immunosenescence$2.9M
- Federal grantHealth and Human S · Phase II · An RSV Prefusion F Vaccine that Overcomes Immunosenescence$940K
- Federal grantHealth and Human S · Phase II · A Universal Flu Vaccine Based On Conformationally Locked Soluble Headless HA$888K
- Federal grantHealth and Human S · Phase II · A Universal Flu Vaccine Based On Conformationally Locked Soluble Headless HA$375K
- Federal grantHealth and Human S · Phase II · Dityrosine Locked Prefusion F Protein: A Path To A Protective RSV Vaccine$99K
Show 7 earlier federal awards
- Federal grantHealth and Human S · Phase I · An adjuvant for an RSV prefusion F vaccine that safely protects infants via maternal vaccination$300K
- Federal grantHealth and Human S · Phase II · An RSV Prefusion F Vaccine that Overcomes Immunosenescence$300K
- Federal grantHealth and Human S · Phase I · An adjuvant for an RSV prefusion F vaccine that safely protects infants via maternal vaccination$600K
- Federal grantHealth and Human S · Phase I · An adjuvant for an RSV prefusion F vaccine that safely protects infants via maternal vaccination$300K
- Federal grantHealth and Human S · Phase II · A Universal Flu Vaccine Based On Conformationally Locked Soluble Headless HA$2.9M
- Federal grantHealth and Human S · Phase II · A Universal Flu Vaccine Based On Conformationally Locked Soluble Headless HA$987K
- Federal grantHealth and Human S · Phase II · Dityrosine Locked Prefusion F Protein: A Path To A Protective RSV Vaccine$651K
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 514 peers
Line = medianBiotech · Molecule
- Federal grants#108 · top 21%
- Granted patents#71 · top 14%
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
No founders are linked to this company yet.
Founders appear once a person is matched to the company through its own patents, grants or filings. We never infer people from social profiles.
Checked: USPTO inventors; federal award principal investigators; SEC Form D related persons · Oct 23, 2026
Claim this profile to add your teamWhat it has protected
USPTO · 5 granted of 17- PendingConformationally Specific Viral ImmunogensUSPTOApplication 19326552
- PendingConformationally Stabilized Rsv Pre-fusion F ProteinsUSPTOApplication 18601398
- PendingConformationally Specific Viral ImmunogensUSPTOApplication 18455787
Show all 17 patent records
- Conformationally Specific Viral ImmunogensJun 11, 2026 · Application 19326552Pending
- Conformationally Stabilized Rsv Pre-fusion F ProteinsMar 20, 2025 · Application 18601398Pending
- Conformationally Specific Viral ImmunogensJul 18, 2024 · Application 18455787Pending
- Conformationally Stabilized Rsv Pre-fusion F ProteinsMar 12, 2024 · US 11,926,649Granted
- Compositions And Methods For Vaccination Of Juveniles Againstrespiratory Syncytial Virus InfectionOct 5, 2023 · Application 18042093Pending
- Conformationally-specific Viral ImmunogensSep 12, 2023 · US 11,752,191Granted
- Influenza Hemagglutinin Proteins And Methods Of Use ThereofSep 15, 2022 · Application 17485705Pending
- Conformationally Stabilized Rsv Pre-fusion F ProteinsMar 8, 2022 · US 11,267,848Granted
- Influenza Hemagglutinin Proteins And Methods Of Use ThereofSep 28, 2021 · US 11,129,887Granted
- Conformationally Specific Viral ImmunogensApr 11, 2019 · Application 16214074Pending
- Conformationally Specific Viral ImmunogensDec 18, 2018 · US 10,155,023Granted
- Compositions And Methods For Vaccination Of Juveniles Against Respiratory Syncytial Virus InfectionApplication 63066627Pending
- Compositions And Methods For Vaccination Against Respiratory Syncitial Virus InfectionApplication PCTUS2019022549Pending
- Compositions And Methods For Vaccination Of Juveniles Against Respiratory Syncytial Virus InfectionApplication PCTUS2021046324Pending
- Conformationally Stabilized Rsv Pre-fusion F ProteinsApplication PCTUS2018045463Pending
- Rsv Vaccine Compositions & MethodsApplication 63564128Pending
- Improved Rsv Vaccine Compositions & MethodsApplication PCTUS2025019611Pending
Related companies, and why
- AVATAR MEDICAL, LLCShares a founder: YONDOLA, MARK
- Soteria Biotherapeutics, Inc.Similar federal contract value in Biotech · null in contracts
- NATURA THERAPEUTICS, INC.Similar federal contract value in Biotech · null in contracts
- AMIDEBIO, LLCSimilar federal contract value in Biotech · null in contracts
- CRIMSON BIOPHARM INCSimilar federal contract value in Biotech · null in contracts
- TOSK, INC.Similar 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 .