Form 4 Filing for Todd D. Lavieri

Todd D. Lavieri, VICE CHAIRMAN of Information Services Group Inc., acquired 55,970 shares of common stock on March 13, 2026, at a price of $4.02 per share. This transaction was part of a grant of restricted stock units (RSUs) under the company's 2007 Equity and Incentive Award Plan, which will vest fully on March 13, 2027. Following this acquisition, Lavieri holds a total of 1,159,907 shares. The filing also notes that 2,187 of these shares were acquired through the company's Employee Stock Purchase Plan. The report was signed on March 17, 2026.