Oscar Leland Mahan serves as Executive at John Marshall Bancorp, Inc., where they oversee executive responsibilities. Since joining the company, Oscar Leland Mahan has executed 4 insider transactions totaling $13.3K, demonstrating a bullish approach to their equity position. Their most recent transaction on Dec 16, 2025 involved receiving (via award) 1,901 shares valued at $0.
Oscar Leland Mahan currently holds 94,802 shares of John Marshall Bancorp, Inc. (JMSB), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Oscar Leland Mahan has been a net buyer of JMSB stock. They have purchased $13.3K and sold $0 worth of shares.
Oscar Leland Mahan's most recent insider trade was on Dec 16, 2025, when they sold 1,901 shares at $0.00 per share.
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| $18.63 |
| Discretionary |
| Dec 19, 2023 | JMSB | $0 | Award | 1,480 | $N/A | Discretionary |
| Dec 20, 2022 | JMSB | $0 | Award | 1,561 | $N/A | Discretionary |