144 0001524788 XXXXXXXX LIVE 0001280058 Blackbaud Inc 001-41527 65 Fairchild Street Charleston SC 29492 843-216-6200 Jon Olson Officer Common Stock Merrill Lynch

One Bryant Park New York NY 10036

10000 482000 45933454 02/27/2026 NASDAQ Common Stock 02/13/2026 Restricted Stock Unit Vest Issuer N 5091 02/13/2026 Compensatory Payment Common Stock 02/18/2026 Restricted Stock Unit Vest Issuer N 2345 02/18/2026 Compensatory Payment Common Stock 02/19/2026 Restricted Stock Unit Vest Issuer N 2564 02/19/2026 Compensatory Payment Y 02/27/2026 Jon Olson