| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Anderson Chad | Executive VP and CFO | 65 FAIRCHILD STREET, CHARLESTON | /s/ S. Halle Vakani, Attorney-in-Fact | 2025-05-20 | 0001492840 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | BLKB | Common Stock | Sale | -$352K | -5.5K | -13.26% | $63.99 | 36K | May 16, 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | This transaction was executed in multiple trades at prices ranging from $63.85 to $64.155. The price reported in Column 4 is a weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected. |