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CompanyCompany profileReviewed 2026-10-23

IMMUTEP Ltd

Immutep Ltd (formerly Prima Biomed) is a biotechnology company working primarily in the field of cancer immunotherapy using the LAG3 immune control mechanism. The company was originally built on CVac, a therapeutic cancer vaccine. In late 2014 the privately held French immunotherapy company Immutep SA was purchased by Prima Biotech.

Sources and references ↗
COMPANY PROFILE / 8 SOURCE-LINKED FIELDS

Basic company information

Each field links to its source. Financial figures retain their reporting periods; background references are identified in the source list.

Business sectors
pharmaceutical industry [1]
Company / filing name
IMMUTEP Ltd [2]
Headquarters location
Sydney [1]
Founded
2001 [1]
Official website
www.immutep.com ↗ [1]
ISIN (reported securities)
AU000000IMM6 [1]
CIK
1506184 [2]
Symbols / exchanges
IMMP (Nasdaq), PRRUF (OTC) [2]

Company positioning and business

Immutep Ltd (formerly Prima Biomed) is a biotechnology company working primarily in the field of cancer immunotherapy using the LAG3 immune control mechanism. The company was originally built on CVac, a therapeutic cancer vaccine. In late 2014 the privately held French immunotherapy company Immutep SA was purchased by Prima Biotech. [3]

Prima currently has three main products in its pipeline, all acquired with Immutep: [3]

Eftilagimod alpha, (lab name: IMP321) which is recombinant soluble LAG-3, used as an activator of antigen presenting cells. This product has completed a Phase IIa clinical study, where it doubled the expected response rate in HER2-negative metastatic breast cancer. [3]

Background text: Wikipedia contributors, Immutep. Selected introductory paragraphs, licensed under CC BY-SA 4.0. Official filing data is cited separately.

Financial year, securities and disclosures

Listed securities: IMMP (Nasdaq), PRRUF (OTC). Multiple symbols may represent different share classes or securities of the same registrant. [2]

History and key events

  1. Founding / inception date recorded in Wikidata. [1]

Financial results and regulatory disclosures

No individual financial documents have been indexed yet. Open the source to consult company disclosures. [2]

Related entities and concepts

Frequently asked questions

When was IMMUTEP Ltd founded?

Founded: 2001. The linked source provides the background record. [1]

Where is the headquarters of IMMUTEP Ltd?

Headquarters location: Sydney. The linked source provides the background record. [1]

Which business sectors are recorded for IMMUTEP Ltd?

Business sectors: pharmaceutical industry. The linked source provides the background record. [1]

Sources and review dates

  1. Wikidata — company background record (CC0) ↗
  2. Company identity and profile data ↗
  3. Wikipedia contributors — Immutep (CC BY-SA 4.0) ↗

Reviewed 23 October 2026. Financial periods and historical event dates are shown separately. Figures reflect their stated source dates; this page is not a live quote or investment recommendation.

Content preparation: source-based compilation with AI assistance. See methods and attribution. Named sources identify the underlying records; no individual expert review is claimed.