| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Lynch Christopher R. | Director | 1063 GREAT PLAIN AVE, NEEDHAM | /s/ Steven Lanter, pursuant to power of attorney | 12 Sep 2025 | 0002003622 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NBBK | Common Stock | Gift | $0 | -600 | -0.64% | $0.00 | 93.2K | 10 Sep 2025 | Direct | F1 |
| holding | NBBK | Common Stock | 60K | 10 Sep 2025 | By IRA |
| Id | Content |
|---|---|
| F1 | Includes shares of restricted stock which vest at a rate of 20% per year commencing on April 24, 2026. |