Company Description
IMMUTEP LTD ORD (PRRUF) refers to ordinary shares of Immutep Limited, a foreign private issuer that files reports with the U.S. Securities and Exchange Commission. The company submits current reports on Form 6-K under the Securities Exchange Act of 1934, indicating that it provides periodic updates to U.S. investors in connection with its listing and reporting obligations.
Immutep Limited is organized outside the United States and has identified its principal executive office in Sydney, New South Wales, Australia. As a foreign issuer, it uses Form 20-F as its primary annual reporting format with the SEC, as indicated by its selection of Form 20-F status in its filings. The PRRUF symbol represents access to the company’s ordinary shares for investors who follow its disclosures through U.S. regulatory channels.
Regulatory reporting framework
According to its SEC disclosures, Immutep Limited furnishes reports on Form 6-K pursuant to Rules 13a-16 or 15d-16 under the Securities Exchange Act of 1934. These filings allow the company to provide information that it makes public in its home market or that it is required to file with a foreign stock exchange or foreign regulator. The company also indicates that it does not rely on the Rule 12g3-2(b) exemption, as reflected in its Form 6-K check-box responses.
Immutep’s filings may include exhibits that describe operational or research-related developments. For example, one Form 6-K references an exhibit describing a research collaboration involving the evaluation of a neoadjuvant treatment approach, illustrating that the company uses its SEC reports to communicate scientific or clinical research collaborations to investors.
Location and corporate form
The company identifies its principal executive office as being located in Sydney, in the state of New South Wales, Australia. This confirms that Immutep Limited operates as an Australia-based entity while maintaining a presence in U.S. capital markets through its foreign issuer reporting status. The reference to ordinary shares in the PRRUF designation reflects that investors are dealing with the company’s standard equity securities.
Use of Form 6-K and exhibits
Form 6-K filings by Immutep Limited can contain a variety of exhibits, including announcements of collaborations and other material information. In one such filing, the exhibit list includes an item describing a research collaboration with the George Washington University Cancer Center to evaluate a neoadjuvant treatment referred to as efti. This demonstrates that the company’s SEC reports can provide insight into its research-related activities and partnerships.
Investor considerations
For investors following PRRUF, the SEC reporting framework used by Immutep Limited offers a structured way to review information that the company furnishes to the U.S. market. Form 6-K current reports and Form 20-F annual reports are central to understanding the disclosures the company chooses to provide as a foreign private issuer. These documents, together with any attached exhibits, form the primary source of publicly available regulatory information about the company for U.S.-based investors.
Stock Performance
Immutep (PRRUF) stock last closed at $0.0500. Over the past 12 months, the stock has lost 76.4%. At a market capitalization of $73.7M, PRRUF is classified as a micro-cap stock with approximately 1.5B shares outstanding.
Latest News
SEC Filings
Immutep has filed 5 recent SEC filings, including 4 Form 3, 1 Form 6-K. The most recent filing was submitted on May 1, 2026. SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all PRRUF SEC filings →
Financial Highlights
Upcoming Events
Short Interest History
Short interest in Immutep (PRRUF) currently stands at 16.8 million shares, down 20.9% from the previous reporting period, representing 1.2% of the float. Since July 2025, short interest has increased by 11405.7%. This relatively low short interest suggests limited bearish sentiment. With 1000.0 days to cover, it would take significant time for short sellers to close their positions based on average trading volume.
Days to Cover History
Days to cover for Immutep (PRRUF) currently stands at 1000.0 days. This elevated days-to-cover ratio indicates it would take over two weeks of average trading volume for short sellers to exit their positions, suggesting potential for a short squeeze if positive news emerges. The ratio has shown significant volatility over the period, ranging from 8.6 to 1000.0 days.
PRRUF Company Profile & Sector Positioning
Immutep (PRRUF) operates in the Biotechnology industry within the broader Healthcare sector and is listed on the OTC Link.