Irwin William C. (CIK 1764154) reported 2 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-07-21). Recent activity: Buy RBKB (10,000 shares), Buy RBKB (1,624 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-21 | Rhinebeck Bancorp, Inc. (RBKB) | Director | Buy | 10,000 | $100,000 |
| 2026-05-28 | Rhinebeck Bancorp, Inc. (RBKB) | Director | Buy | 1,624 | $0 |
Source: SEC Form 4 filings · as of 2026-07-21