Snapshot from May 30, 2026 at 07:00 UTC. For live data and tracking: View Live
Events / Business / Immutep Class Action Lawsuit Filed
Business class action

Immutep Class Action Lawsuit Filed

Analysis based on 6 articles · First reported May 07, 2026 · Last updated May 15, 2026

Sentiment
-40
Attention
2
Articles
6
Market Impact
Direct
Live prominence charts, article sentiment distribution, and event development timeline available on the NewsDesk Dashboard
Market Impact

The class action lawsuit against Immutep could lead to a significant decline in its stock price due to potential financial liabilities and damage to investor confidence. This event highlights the risks associated with clinical trial disclosures in the biotechnology industry, potentially increasing scrutiny on other companies' trial reporting.

Biotechnology Legal Services
Event Summary

Rosen Law Firm has announced a class action lawsuit against Immutep, a publicly traded company, on behalf of investors who purchased its American Depositary Receipts between March 24, 2025, and March 12, 2026. The lawsuit alleges that Immutep made false and misleading statements and concealed information regarding the status and prospects of its TACTI004 trial. Specifically, Immutep allegedly misrepresented the trial's progress, despite being aware of increased risks that the study would fail to meet its primary efficacy and/or safety endpoints. The firm encourages affected investors to join the lawsuit, with a lead plaintiff deadline of July 6, 2026. Attorneys Philip Kim and Lawrence Rosen are leading the efforts for Rosen Law Firm.

Key Actions
100 Rosen Law Firm investigates claims Immutep
90 Immutep issued press release
70 Immutep filed Form-K United States — United States Securities and Exchange Commission
Entities Involved
stock
Immutep
Immutep is the defendant in a class action lawsuit alleging false and misleading statements regarding its TACTI004 trial, which could lead to significant financial damages and reputational harm.
Importance 100 Sentiment -70
priv
Rosen Law Firm
Rosen Law Firm is initiating and representing investors in the class action lawsuit against Immutep, seeking compensation for alleged damages.
Importance 80 Sentiment 50
per
Philip Kim
Philip Kim is an attorney at Rosen Law Firm, providing contact information for investors interested in joining the class action.
Importance 20 Sentiment 30
per
Lawrence Rosen
Lawrence Rosen is a founding partner of Rosen Law Firm, mentioned for his leadership and recognition in the legal field.
Importance 20 Sentiment 30
govactor
United States — United States Securities and Exchange Commission
Immutep filed a Form-K with the United States — United States Securities and Exchange Commission, which is referenced in the lawsuit regarding the trial's progress.
Importance 10 Sentiment 0
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