Oscar Leland Mahan

Oscar Leland Mahan appears in our data through filings on John Marshall Bancorp, Inc. shares, published by SEC (Form 4). We count 137 filings; the first trade dates from 20 December 2022 and the latest from 16 December 2025.

In open-market terms, that means 2 purchases worth €23k on one side and 129 sales worth €501k on the other. On balance, insiders were net sellers of €478k. Unlike grants, an open-market purchase is paid for by the insider, at the market price. The rest of the record consists of 5 share grants and 1 option exercise. In 2025 alone, the filings show 1 purchase and 18 sales.

The newest entry dates from 18 December 2025: a share grant, in John Marshall Bancorp, Inc. The last insider purchase was made public on 17 July 2025, 464 days ago. Typically, a trade is published a median of 1 day after it takes place. US insiders must file a Form 4 within two business days of a trade. Selling is not necessarily a view on the stock: liquidity needs and diversification are common motives. This summary is built from SEC (Form 4) disclosures alone and does not predict where the share price will go.