| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Lapointe Jean-Pierre | SEVP and CFO | 1063 GREAT PLAIN AVE, NEEDHAM | /s/ Steven Lanter, pursuant to power of attorney | 27 Feb 2026 | 0001722126 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NBBK | Common Stock | Award | $0 | +13,749 | +14% | $0.000000 | 109,331 | 25 Feb 2026 | Direct | F1, F2 |
| holding | NBBK | Common Stock | 4,018 | 25 Feb 2026 | By 401(k) | F3 | |||||
| holding | NBBK | Common Stock | 1,779 | 25 Feb 2026 | By ESOP | F3 |
| Id | Content |
|---|---|
| F1 | Shares of restricted stock vest at a rate of 33 1/3% per year commencing on February 25, 2027. |
| F2 | Includes shares of restricted stock which vest at a rate of 20% per year commencing on April 24, 2026. |
| F3 | Reflects transactions not required to be reported pursuant to Section 16 of the Securities Act of 1934, as amended. |