Primmune Therapeutics

Primmune Therapeutics

Private
San Diego, CaliforniaHealthcare & Life Scienceswww.primmunerx.com

Last Round

Series B

Extension

Jan 26, 2026

Total Funding Raised

$47M

Company Overview

Primmune Therapeutics is a biopharmaceutical company that develops an orally administered toll-like receptor agonist aimed at enhancing innate immunity for cancer immunotherapy.

Sector

Healthcare & Life Sciences

Verticals

Biotechnology, Drug Discovery, Clinical Trials, Defense Tech

Business Model

B2G

Customer Profile

Government Contracts, Revenue Share

AI Layer

Non-AI

Keywords

TLR7 agonistsmall molecule immunotherapyinnate immune activationinnate immunotherapyimmuno-oncologyIOoral immunotherapyantiviral therapysolid tumor therapyantiviralsLassa fever treatmentHPV treatmentprodrug developmentcheckpoint inhibitor combinationmedical countermeasurebiodefenseDTRAclinical-stage biotech

Historical Pricing

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Primmune Therapeutics Comps

Public and private peers based on sector, stage, and business model.

CompanyStatusEst. ValuationRev Multiple
OpenAIPrivate$86.0B~40x
CoherePrivate$5.0B--
Competitor 1Public$XX.XBXXx
Competitor 2Public$XX.XBXXx

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Primmune Therapeutics Funding Rounds

Historical fundraising activity

RoundDateAmount RaisedValuationInvestorsSources
Series B ExtensionJan 26, 2026
GrantMar 20, 2024
Series AJan 12, 2021
SeedMar 2, 2020

Key People

Founding team and executive leadership

Paulo Rangel

Chief Business Officer And Co-founder

Founding Team

Marc Veale

Chief Financial Officer

Executive Team

Primmune Therapeutics Investors

Notable investors and investment history

InvestorRounds
CAM CapitalSeries A, Seed
BioRock VenturesSeries A, Seed
Bioqube VenturesSeries B Extension, Series A
Oberland Capital ManagementSeries B Extension
BioBritSeries A, Seed
Polaris PartnersSeries A
Samsara BioCapitalSeries B Extension, Series A

Market signals

Structured signals derived from secondary market and firmographic data.

  • Feb 5, 2026

    Chris Krueger appointed as Executive Chairman of the Board.

  • Feb 5, 2026

    Andrew Sharabi, M.D., Ph.D. appointed as new CMO.

Primmune Therapeutics Filings

SEC and related filings with document metadata.

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Primmune Therapeutics Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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Firmographic Details

HeadquartersSan Diego, California
Employee Range10
Year Founded2017
Last FundingJan 26, 2026

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