| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Benjamin David J | EVP, Chief Commercial Officer | 65 FAIRCHILD STREET, CHARLESTON | /s/ S. Halle Vakani, Attorney-in-Fact | 04 Nov 2025 | 0001939343 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | BLKB | Common Stock | Award | $0 | +3,400 | +4.8% | $0.000000 | 74,037 | 05 Aug 2025 | Direct | F1 |
| transaction | BLKB | Common Stock | Tax liability | $102,633 | -1,626 | -2.3% | $63.12 | 69,242 | 05 Aug 2025 | Direct | F2, F3 |
| Id | Content |
|---|---|
| F1 | The Compensation Committee determined that a portion of performance restricted stock units ("PRSUs") granted on August 5, 2022 would vest in full on August 5, 2025 based on the Issuer achieving performance goals for the period ended December 31, 2024, subject to continued employment. |
| F2 | Represents shares forfeited to the Issuer in connection with the satisfaction of tax liabilities incurred upon the vesting of separate PRSUs granted August 5, 2022. The original Form 4 inadvertently reported the number of shares forfeited to be 973. |
| F3 | The aggregate number of shares beneficially owned represents the amount after accounting for all of the Reporting Person's transactions that occurred on August 5, 2025. |