SEC Insider Transactions from Zimmerly Ronald Len Jr..

Last updated: 2026-03-16 12:59 UTC | Total transactions: 29

Zimmerly Ronald Len Jr. has filed 29 insider transactions across 1 company since December 2023.

Most recent transaction: a disposition of 84689 shares of MIDDLEFIELD BANC CORP ($MBCN) on March 02, 2026.

Activity breakdown: 3 open-market purchases and 0 sales.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 2, 2026 MIDDLEFIELD BANC CORP $MBCN Zimmerly Ronald Len Jr. Chief Executive Officer D Common Stock 84689 $0.00 0.0000 9,966,196 100.00% 0.85%
March 2, 2026 MIDDLEFIELD BANC CORP $MBCN Zimmerly Ronald Len Jr. Chief Executive Officer D Common Stock 8786 $0.00 0.0000 9,966,196 100.00% 0.09%
Feb. 23, 2026 MIDDLEFIELD BANC CORP $MBCN Zimmerly Ronald Len Jr. Chief Executive Officer A Common Stock 4576 $35.18 68,616.2830 9,966,196 7.15% 0.05%
Feb. 23, 2026 MIDDLEFIELD BANC CORP $MBCN Zimmerly Ronald Len Jr. Chief Executive Officer A Common Stock 19500 $35.18 88,116.2830 9,966,196 28.42% 0.20%
Feb. 23, 2026 MIDDLEFIELD BANC CORP $MBCN Zimmerly Ronald Len Jr. Chief Executive Officer A Common Stock 30030 $35.18 118,146.2830 9,966,196 34.08% 0.30%
Feb. 23, 2026 MIDDLEFIELD BANC CORP $MBCN Zimmerly Ronald Len Jr. Chief Executive Officer F Common Stock 24671 $35.18 93,475.2830 9,966,196 20.88% 0.25%
Feb. 23, 2026 MIDDLEFIELD BANC CORP $MBCN Zimmerly Ronald Len Jr. Chief Executive Officer A Common Stock 4520 $35.18 64,040.2830 9,966,196 7.59% 0.05%
Jan. 14, 2026 MIDDLEFIELD BANC CORP $MBCN Zimmerly Ronald Len Jr. Chief Executive Officer A Common Stock 2288 $34.50 60,278.2830 9,966,196 3.95% 0.02%
Jan. 14, 2026 MIDDLEFIELD BANC CORP $MBCN Zimmerly Ronald Len Jr. Chief Executive Officer F Common Stock 758 $34.50 59,520.2830 9,966,196 1.26% 0.01%
Dec. 17, 2025 MIDDLEFIELD BANC CORP $MBCN Zimmerly Ronald Len Jr. Chief Executive Officer A Common Stock 4653 $37.00 51,955.2830 9,966,196 9.84% 0.05%
Dec. 17, 2025 MIDDLEFIELD BANC CORP $MBCN Zimmerly Ronald Len Jr. Chief Executive Officer F Common Stock 4126 $37.00 57,990.2830 9,966,196 6.64% 0.04%
Dec. 17, 2025 MIDDLEFIELD BANC CORP $MBCN Zimmerly Ronald Len Jr. Chief Executive Officer A Common Stock 10161 $37.00 62,116.2830 9,966,196 19.56% 0.10%
Dec. 1, 2025 MIDDLEFIELD BANC CORP $MBCN Zimmerly Ronald Len Jr. Chief Executive Officer A Common Stock 3788 $34.82 48,414.2830 9,966,196 8.49% 0.04%
Dec. 1, 2025 MIDDLEFIELD BANC CORP $MBCN Zimmerly Ronald Len Jr. Chief Executive Officer F Common Stock 1112 $34.82 47,302.2830 9,966,196 2.30% 0.01%
Aug. 6, 2025 MIDDLEFIELD BANC CORP $MBCN Zimmerly Ronald Len Jr. Chief Executive Officer A Common Stock 2260 $27.11 45,289.2830 9,960,503 5.25% 0.02%
Aug. 6, 2025 MIDDLEFIELD BANC CORP $MBCN Zimmerly Ronald Len Jr. Chief Executive Officer F Common Stock 663 $27.11 44,626.2830 9,960,503 1.46% 0.01%
Jan. 14, 2025 MIDDLEFIELD BANC CORP $MBCN Zimmerly Ronald Len Jr. Chief Executive Officer A Conditional Stock Award 6864 $0.00 18,894.0000 9,953,018 57.06% 0.07%
Jan. 14, 2025 MIDDLEFIELD BANC CORP $MBCN Zimmerly Ronald Len Jr. Chief Executive Officer A Conditional Stock Award 6864 $0.00 21,082.0000 9,953,018 48.28% 0.07%
Jan. 1, 2025 MIDDLEFIELD BANC CORP $MBCN Zimmerly Ronald Len Jr. Chief Executive Officer A Common Stock 278 $28.05 43,029.2830 9,953,018 0.65% 0.00%
Dec. 1, 2024 MIDDLEFIELD BANC CORP $MBCN Zimmerly Ronald Len Jr. Chief Executive Officer A Common Stock 3788 $30.98 35,077.2830 9,950,342 12.11% 0.04%
Dec. 1, 2024 MIDDLEFIELD BANC CORP $MBCN Zimmerly Ronald Len Jr. Chief Executive Officer F Common Stock 1112 $30.98 33,965.2830 9,950,342 3.17% 0.01%
Sept. 16, 2024 MIDDLEFIELD BANC CORP $MBCN Zimmerly Ronald Len Jr. Chief Executive Officer P Common Stock 212 $28.47 40,075.2830 9,946,454 0.53% 0.00%
May 13, 2024 MIDDLEFIELD BANC CORP $MBCN Zimmerly Ronald Len Jr. Chief Executive Officer P Common Stock 1000 $22.47 8,786.0000 9,930,704 12.84% 0.01%
Aug. 30, 2024 MIDDLEFIELD BANC CORP $MBCN Zimmerly Ronald Len Jr. Chief Executive Officer A Conditional Stock Award 6708 $0.00 18,006.0000 9,946,454 59.37% 0.07%
July 1, 2024 MIDDLEFIELD BANC CORP $MBCN Zimmerly Ronald Len Jr. EVP/Chief Executive Officer A Common Stock 324 $24.05 38,206.0000 9,946,454 0.86% 0.00%
May 13, 2024 MIDDLEFIELD BANC CORP $MBCN Zimmerly Ronald Len Jr. EVP/Chief Executive Officer P Common Stock 1000 $22.47 37,882.0000 9,930,704 2.71% 0.01%
Dec. 1, 2023 MIDDLEFIELD BANC CORP $MBCN Zimmerly Ronald Len Jr. Director A Common Stock 3788 $29.34 35,988.0000 9,916,466 11.76% 0.04%
Dec. 1, 2023 MIDDLEFIELD BANC CORP $MBCN Zimmerly Ronald Len Jr. Director F Common Stock 1112 $29.34 34,876.0000 9,916,466 3.09% 0.01%
Jan. 2, 2024 MIDDLEFIELD BANC CORP $MBCN Zimmerly Ronald Len Jr. Director A Common Stock 240 $32.37 34,206.0000 9,930,704 0.71% 0.00%