Zimmerly Ronald Len Jr. (CIK 1954793) reported 16 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-02). Recent activity: Sell MBCN (84,689 shares), Sell MBCN (8,786 shares), Buy MBCN (4,520 shares), Buy MBCN (4,576 shares), Buy MBCN (19,500 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-02 | MIDDLEFIELD BANC CORP (MBCN) | Chief Executive Officer | Sell | 84,689 | $0 |
| 2026-03-02 | MIDDLEFIELD BANC CORP (MBCN) | Chief Executive Officer | Sell | 8,786 | $0 |
| 2026-02-25 | MIDDLEFIELD BANC CORP (MBCN) | Chief Executive Officer | Buy | 4,520 | $159,014 |
| 2026-02-25 | MIDDLEFIELD BANC CORP (MBCN) | Chief Executive Officer | Buy | 4,576 | $160,984 |
| 2026-02-25 | MIDDLEFIELD BANC CORP (MBCN) | Chief Executive Officer | Buy | 19,500 | $686,010 |
| 2026-02-25 | MIDDLEFIELD BANC CORP (MBCN) | Chief Executive Officer | Buy | 30,030 | $1.1M |
| 2026-02-25 | MIDDLEFIELD BANC CORP (MBCN) | Chief Executive Officer | Sell | 24,671 | $867,926 |
| 2026-01-16 | MIDDLEFIELD BANC CORP (MBCN) | Chief Executive Officer | Buy | 2,288 | $78,936 |
| 2026-01-16 | MIDDLEFIELD BANC CORP (MBCN) | Chief Executive Officer | Sell | 758 | $26,151 |
| 2025-12-18 | MIDDLEFIELD BANC CORP (MBCN) | Chief Executive Officer | Buy | 4,653 | $172,161 |
| 2025-12-18 | MIDDLEFIELD BANC CORP (MBCN) | Chief Executive Officer | Buy | 10,161 | $375,957 |
| 2025-12-18 | MIDDLEFIELD BANC CORP (MBCN) | Chief Executive Officer | Sell | 4,126 | $152,662 |
| 2025-12-03 | MIDDLEFIELD BANC CORP (MBCN) | Chief Executive Officer | Buy | 3,788 | $131,898 |
| 2025-12-03 | MIDDLEFIELD BANC CORP (MBCN) | Chief Executive Officer | Sell | 1,112 | $38,720 |
| 2025-08-07 | MIDDLEFIELD BANC CORP (MBCN) | Chief Executive Officer | Buy | 2,260 | $61,269 |
| 2025-08-07 | MIDDLEFIELD BANC CORP (MBCN) | Chief Executive Officer | Sell | 663 | $17,974 |
Source: SEC Form 4 filings · as of 2026-03-02