Form 3 Filing for Blackbaud Inc. - Ownership Change

This filing details changes in beneficial ownership for Anthony W. Boor, a director at Blackbaud Inc. The filing, dated August 17, 2026, reports that Mr. Boor directly owns 91,789 shares of Common Stock following post-transaction amounts. The filing also includes a Power of Attorney, appointing several individuals to act on Mr. Boor's behalf for executing SEC filings, including Forms 3, 4, and 5, and Schedules 13D/13G. Additionally, Exhibit 99.1 provides a detailed breakdown of Mr. Boor's non-derivative security transactions and holdings since his last filing on February 25, 2025. This includes information on forfeited shares, vesting of performance-based restricted stock units (PRSUs) and restricted stock units (RSUs), and the sale of shares to cover tax liabilities incurred upon vesting. Specific events noted are forfeitures on February 17, 20, and 23, 2026, vesting of PRSUs on February 13, 19, and 23, 2026, and various share sales occurring between October 2025 and May 2026. All awards are contingent upon continued employment.