| 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 | 20 Feb 2026 | 0001939343 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | BLKB | Common Stock | Award | $0 | +4,649 | +4.8% | $0.000000 | 101,993 | 18 Feb 2026 | Direct | F1 |
| transaction | BLKB | Common Stock | Sale | $394,771 | -7,990 | -7.8% | $49.41 | 94,003 | 18 Feb 2026 | Direct | F2 |
| transaction | BLKB | Common Stock | Tax liability | $106,397 | -2,149 | -2.3% | $49.51 | 91,854 | 19 Feb 2026 | Direct | F3 |
| transaction | BLKB | Common Stock | Award | $0 | +2,959 | +3.2% | $0.000000 | 94,813 | 19 Feb 2026 | Direct | F4 |
| transaction | BLKB | Common Stock | Tax liability | $67,470 | -1,368 | -1.4% | $49.32 | 93,445 | 20 Feb 2026 | Direct | F5 |
| transaction | BLKB | Common Stock | Tax liability | $64,412 | -1,306 | -1.4% | $49.32 | 92,139 | 20 Feb 2026 | Direct | F5 |
| transaction | BLKB | Common Stock | Tax liability | $128,824 | -2,612 | -2.8% | $49.32 | 89,527 | 20 Feb 2026 | Direct | F6 |
| Id | Content |
|---|---|
| F1 | Represents performance restricted stock units ("PRSU") granted on February 18, 2025 that vested in full on February 18, 2026. |
| F2 | This transaction was executed in multiple trades at prices ranging from $49.30 to $49.50. 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. |
| F3 | Represents shares forfeited to the Issuer in connection with the satisfaction of tax liabilities incurred upon the vesting of PRSUs granted February 18, 2025. |
| F4 | The Compensation Committee determined that a portion of PRSUs granted on February 19, 2025 would vest in full on February 19, 2026 based on the Issuer achieving performance goals for the period ended December 31, 2025, subject to continued employment. |
| F5 | Represents shares forfeited to the Issuer in connection with the satisfaction of tax liabilities incurred upon the vesting of separate PRSUs granted February 19, 2025. |
| F6 | Represents shares forfeited to the Issuer in connection with the satisfaction of tax liabilities incurred upon the vesting of restricted stock granted February 19, 2025. |