Group 1 - The article discusses multiple shareholder class action lawsuits against Fermi Inc., Ardent Health, and Varonis Systems, alleging misleading statements and failure to disclose material facts [1][2][3] - Fermi Inc. is accused of failing to disclose material facts regarding tenant demand for its Project Matador campus between October 1, 2025, and December 11, 2025 [1] - Ardent Health is alleged to have made misleading statements about the collectability of its accounts receivable from July 18, 2024, to November 12, 2025 [2] - Varonis Systems is facing allegations related to its ability to convert its existing customer base and its ARR growth potential between February 4, 2025, and October 28, 2025 [3] Group 2 - The deadlines for investors to seek appointment as lead plaintiffs in these cases are March 6, 2026, for Ardent Health and March 9, 2026, for Varonis Systems [2][3] - Holzer & Holzer, LLC is a law firm specializing in securities litigation, having recovered hundreds of millions of dollars for shareholders affected by corporate misconduct since its founding in 2000 [4]