ETIRARX, INC.
ERX-315, a bis-benzamide small molecule therapeutic that selectively binds mutant estrogen receptor alpha (ERα) to treat endocrine therapy-resistant breast cancer
- Sector
- Biotech
- Headquarters
- DALLAS, TX
- Founded
- 2021
- Latest Form D
- $2.3M, May 2026
- Total capital
- $11.5M
- Federal grants
- $2M
- 2 awards · 2021–2022
- Rank in peer group#294 of 326
- Private capital raised
- $9.5M
- 3 Form D · last May 2026
- 5 months since last filing
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- None on recordNo USPTO grants. Applications publish after 18 months.
Capital timeline
Latest events
- Private capital raisedForm D · SEC · 3rd filing$2.3M
- Private capital raisedForm D · SEC · 2nd filing$2.4M
- Private capital raisedForm D · SEC · 1st filing$4.8M
- Federal grantHealth and Human S · Phase II · Targeting mutant estrogen receptor driven breast cancers$1M
- Federal grantHealth and Human S · Phase II · Targeting mutant estrogen receptor driven breast cancers$982K
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.
Federal first
26months
from ETIRARX, INC.’s first federal award to its first private round.
- First federal award · Aug 2021
- Health and Human S · $982K
- First Form D · Oct 2023
- $4.8M · 1st Form D
- Awards before first raise
- 2 awards
An association in public records, not a cause or a prediction.
Standing among 326 peers
Line = medianBiotech · Molecule
- Federal grantsBelow median
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
Researcher links verified by same-company patents and grants- Ganesh RajResearcherExecutive Officer, DirectorLinked by $2M in grants as PI
- Annalisa JenkinsDirectorNamed in SEC Form D filings
- Justin StebbingDirectorNamed in SEC Form D filings
- Russell HaywardExecutive Officer, DirectorNamed in SEC Form D filings
What it has protected
No granted patents are on record.
USPTO usually publishes applications 18 months after filing, so recent applications may not be visible yet. Patents assigned under a different entity name won’t match.
Checked: USPTO granted patents and published applications · Oct 23, 2026
Related companies, and why
- IBEX BIOSCIENCES, LLCSimilar federal contract value in Biotech · null in contracts
- RESONANT THERAPEUTICS, INC.Similar federal contract value in Biotech · null in contracts
- VALITOR, INC.Similar federal contract value in Biotech · null in contracts
- Lila Biologics, Inc.Similar federal contract value in Biotech · null in contracts
- PLEIOGENIX INC.Similar federal contract value in Biotech · null in contracts
- NeoStem, 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
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- 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 .