Core Viewpoint - Richtech Robotics Inc. is facing a federal securities class action lawsuit due to allegations of misleading statements regarding its relationship with Microsoft and the accuracy of its business disclosures [4][7]. Group 1: Lawsuit Details - The lawsuit is on behalf of investors who purchased Richtech securities between January 27, 2026, and January 29, 2026, alleging that the company falsely claimed a collaborative relationship with Microsoft [4]. - The lawsuit claims that Richtech's statements about its business operations and prospects were materially false and misleading [4]. - The deadline for investors to seek the role of lead plaintiff in the lawsuit is April 3, 2026 [1]. Group 2: Stock Price Movements - On January 27, 2026, Richtech announced a "hands-on collaboration" with Microsoft, leading to a share price increase of $1.70, or approximately 44.6%, from $3.81 to $5.51 [5]. - Following the announcement of a $38.7 million private placement on January 28, 2026, Richtech's share price fell by $0.43, or about 7.8%, closing at $5.08 [6]. - A report from Hunterbrook Media on January 29, 2026, alleged that Richtech mischaracterized its relationship with Microsoft, resulting in a further decline of $1.06, or approximately 20.9%, in share price, closing at $4.02 [7].