NATSAR PHARMACEUTICALS, INC.
CIK 0002134002 · Biotech · Private
RK-33, a small molecule inhibitor of DDX3 RNA helicase for triple-negative breast cancer treatment
- Grants
- $1.6M
- 1 award
- Sector median: 1
- Raised
- $4.2M
- 1 Form D · May 2026
- 5 months since last filing
- Contracts
- —
- No federal contracts on record
- Patents
- 3
- 1 granted · 2 pending
- Sector median: 2
Capital Timeline
Federal ↑Equity ↓20252026
| Date | Event | Source | Amount |
|---|---|---|---|
| Federal grant | Department of Health and Human Services · Phase II · Drug development of RK-33 for breast cancer treatment | $1,634,811 | |
| Private capital raised | Form D · SEC | $4,221,000 |
Federal grant · SBIR/STTRForm D · SEC
Peer position
| # | Company | Contracts | Disclosed equity |
|---|---|---|---|
| 1793 | PMed Holdings, LLC | — | $1.6M |
| 1794 | Mekanistic Therapeutics, LLC | — | — |
| 1795 | SCIBAC INC. | — | — |
| 1796 | NATSAR PHARMACEUTICALS, INC. | — | $4.2M |
| 1797 | vTv Therapeutics Holdings LLC | — | — |
| 1798 | Arbor Plastic Technologies, LLC | — | $910K |
| 1799 | SUVALENT THERAPEUTICS INC. | — | — |
Ranked on federal contract value rather than capital raised. The equity column is the comparison worth making — companies at the same procurement position often sit at very different points in their funding history.
Founders & Team
- Venu RamanDirector · Executive Officer
Patents
- Intravenous Formulations Of RK-33granted
- Intravenous Formulations Of RK-33application
- Intravenous Formulations Of RK-33application
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.