Altimmune Navigates Legal Challenges Amid Investor Conference

Altimmune finds itself at a crossroads this week, presenting its investment case at the H.C. Wainwright Global Investment Conference while simultaneously confronting a wave of shareholder litigation. The dual pressures contributed to the stock’s 1.85% decline yesterday, closing at $3.71 per share.

Multiple law firms, including Pomerantz LLP, Rosen Law Firm, and The Gross Law Firm, have announced ongoing class action investigations against the biopharmaceutical company. The litigation centers on allegations that Altimmune provided misleading information regarding results from its IMPACT Phase 2b MASH study.

The controversy stems from the June 26, 2025, data release that triggered a dramatic 53.2% single-day collapse in share value, plummeting from $7.71 to $3.61. Plaintiffs allege the company misrepresented the significance of fibrosis reduction data due to an... Read more...