Richardson Matthew (CIK 2078386) reported 1 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-02-27). Recent activity: Buy NBBK (13,749 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-27 | NB Bancorp, Inc. (NBBK) | EVP, Treasury & Cash Mgmt Svcs | Buy | 13,749 | $0 |
来源：SEC Form 4 申报文件 · 截至 2026-02-27