RANTTILA MICHAEL (CIK 1792684) reported 18 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-02). Recent activity: Sell MBCN (50 shares), Sell MBCN (300 shares), Sell MBCN (32,867 shares), Buy MBCN (3,013 shares), Buy MBCN (2,955 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-02 | MIDDLEFIELD BANC CORP (MBCN) | EVP/CFO | Sell | 50 | $0 |
| 2026-03-02 | MIDDLEFIELD BANC CORP (MBCN) | EVP/CFO | Sell | 300 | $0 |
| 2026-03-02 | MIDDLEFIELD BANC CORP (MBCN) | EVP/CFO | Sell | 32,867 | $0 |
| 2026-02-25 | MIDDLEFIELD BANC CORP (MBCN) | EVP/CFO | Buy | 3,013 | $105,997 |
| 2026-02-25 | MIDDLEFIELD BANC CORP (MBCN) | EVP/CFO | Buy | 2,955 | $103,957 |
| 2026-02-25 | MIDDLEFIELD BANC CORP (MBCN) | EVP/CFO | Buy | 12,467 | $438,589 |
| 2026-02-25 | MIDDLEFIELD BANC CORP (MBCN) | EVP/CFO | Sell | 5,087 | $178,961 |
| 2026-01-16 | MIDDLEFIELD BANC CORP (MBCN) | EVP/CFO | Buy | 1,477 | $50,956 |
| 2026-01-16 | MIDDLEFIELD BANC CORP (MBCN) | EVP/CFO | Sell | 438 | $15,111 |
| 2025-12-18 | MIDDLEFIELD BANC CORP (MBCN) | EVP/CFO | Buy | 3,558 | $131,646 |
| 2025-12-18 | MIDDLEFIELD BANC CORP (MBCN) | EVP/CFO | Buy | 12,713 | $470,381 |
| 2025-12-18 | MIDDLEFIELD BANC CORP (MBCN) | EVP/CFO | Sell | 3,962 | $146,594 |
| 2025-08-07 | MIDDLEFIELD BANC CORP (MBCN) | EVP/CFO | Buy | 1,506 | $40,828 |
| 2025-08-07 | MIDDLEFIELD BANC CORP (MBCN) | EVP/CFO | Sell | 438 | $11,874 |
| 2025-03-03 | MIDDLEFIELD BANC CORP (MBCN) | EVP/CFO | Buy | 1,628 | $40,000 |
| 2025-03-03 | MIDDLEFIELD BANC CORP (MBCN) | EVP/CFO | Sell | 560 | $13,759 |
| 2025-02-24 | MIDDLEFIELD BANC CORP (MBCN) | EVP/CFO | Buy | 48 | $1,207 |
| 2025-02-04 | MIDDLEFIELD BANC CORP (MBCN) | EVP/CFO | Buy | 300 | $7,650 |
Source: SEC Form 4 filings · as of 2026-03-02