Ronald Len Zimmerly Jr serves as Executive at MIDDLEFIELD BANC CORP, where they oversee executive responsibilities. Since joining the company, Ronald Len Zimmerly Jr has executed 18 insider transactions totaling $68.2K, demonstrating a bullish approach to their equity position. Their most recent transaction on Jan 14, 2026 involved selling 758 shares valued at $26.2K.
Ronald Len Zimmerly Jr currently holds 50,734.28 shares of MIDDLEFIELD BANC CORP (MBCN), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Ronald Len Zimmerly Jr has been a net buyer of MBCN stock. They have purchased $68.2K and sold $0 worth of shares.
Ronald Len Zimmerly Jr's most recent insider trade was on Jan 14, 2026, when they sold 758 shares at $34.50 per share.
Get notified when new Form 4 filings are submitted
| $34.50 |
| Discretionary |
| Dec 17, 2025 | MBCN | $376.0K | Award | 10,161 | $37.00 | Discretionary |
| Dec 17, 2025 | MBCN | $152.7K | Payment | 4,126 | $37.00 | Discretionary |
| Dec 17, 2025 | MBCN | $172.2K | Award | 4,653 | $37.00 | Discretionary |
| Dec 1, 2025 | MBCN | $131.9K | Award | 3,788 | $34.82 | Discretionary |
| Dec 1, 2025 | MBCN | $38.7K | Payment | 1,112 | $34.82 | Discretionary |
| Aug 6, 2025 | MBCN | $18.0K | Payment | 663 | $27.11 | Discretionary |
| Aug 6, 2025 | MBCN | $61.3K | Award | 2,260 | $27.11 | Discretionary |
| Sep 16, 2024 | MBCN | $6.0K | Purchase | 212.28 | $28.47 | Discretionary |
| May 13, 2024 | MBCN | $22.5K | Purchase | 1,000 | $22.47 | Discretionary |
| May 13, 2024 | MBCN | $22.5K | Purchase | 1,000 | $22.47 | Discretionary |
| Jan 2, 2024 | MBCN | $7.8K | Award | 240 | $32.37 | Discretionary |
| Dec 1, 2023 | MBCN | $32.6K | Payment | 1,112 | $29.34 | Discretionary |
| Dec 1, 2023 | MBCN | $111.1K | Award | 3,788 | $29.34 | Discretionary |
| Jul 3, 2023 | MBCN | $7.8K | Award | 291 | $26.80 | Discretionary |
| Apr 28, 2023 | MBCN | $17.2K | Purchase | 630 | $27.28 | Discretionary |
| Jan 3, 2023 | MBCN | $7.8K | Award | 284 | $27.40 | Discretionary |