Ronald Len Jr. Zimmerly
CIK 1954793 · Chief Executive Officer · last filed 2026-03-02
Ronald Len Jr. Zimmerly is a Chief Executive Officer who has filed 21 SEC Form 4 insider transactions across 1 company since 2023. The most recent filing, for MBCN, was dated Mar 2, 2026. Across all open-market trades the lifetime net is +$68.2K, making them a net buyer over the disclosed history.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$0
1
21
$68.2K
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| MIDDLEFIELD BANC CORP (MBCN) Delisted | Chief Executive Officer | 0 | $33.67 | $0 | $68.2K | 21 | 2026-03-02 |
Recent Filings
21 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-03-02 | MIDDLEFIELD BANC CORP (MBCN) Delisted | Disp (D) | −93,475 | $0 | EDGAR |
| 2026-02-25 | MIDDLEFIELD BANC CORP (MBCN) Delisted | Mixed | +33,955 | $1.19M | EDGAR |
| 2026-01-16 | MIDDLEFIELD BANC CORP (MBCN) Delisted | Mixed | +1,530 | $52.8K | EDGAR |
| 2025-12-18 | MIDDLEFIELD BANC CORP (MBCN) Delisted | Mixed | +10,688 | $395.5K | EDGAR |
| 2025-12-03 | MIDDLEFIELD BANC CORP (MBCN) Delisted | Mixed | +2,676 | $93.2K | EDGAR |
| 2025-08-07 | MIDDLEFIELD BANC CORP (MBCN) Delisted | Mixed | +1,597 | $43.3K | EDGAR |
| 2025-01-24 | MIDDLEFIELD BANC CORP (MBCN) Delisted | Grant (A) | — | $0 | EDGAR |
| 2025-01-02 | MIDDLEFIELD BANC CORP (MBCN) Delisted | Grant (A) | +278 | $7.8K | EDGAR |
| 2024-12-03 | MIDDLEFIELD BANC CORP (MBCN) Delisted | Mixed | +2,676 | $82.9K | EDGAR |
| 2024-09-19 | MIDDLEFIELD BANC CORP (MBCN) Delisted | Buy (P) | +212 | $6.0K | EDGAR |