Group 1 - Halper Sadeh LLC is investigating TuHURA Biosciences, Inc. (NASDAQ: HURA) for potential violations related to its merger with Kineta, Inc. [1] - Vigil Neuroscience, Inc. (NASDAQ: VIGL) is under scrutiny due to its sale to Sanofi, where shareholders will receive $8.00 per share in cash and a contingent value right for an additional $2.00 per share based on the commercial sale of VG-3927 [1] - The firm may seek increased consideration for shareholders and additional disclosures regarding the proposed transactions [2] Group 2 - Shareholders are encouraged to contact Halper Sadeh LLC to discuss their legal rights and options at no cost [3] - The firm represents investors globally who have experienced securities fraud and corporate misconduct, recovering millions for defrauded investors [3]