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Oscar Leland Mahan is Director at John Marshall Bancorp. OQRO lists 132 transactions filed with the SEC under this name, the latest on Jun 5, 2026, each linked to the official Form 4.
Director
Disclosures on record
132
Companies involved
1
2 buys, median −5.2 pts vs S&P 500, beat it 1 of 2 times.
Average −5.2 pts vs S&P 500. Each buy is one disclosure of open-market purchases in one company on one filing date, filed Nov 19, 2024 to Jun 5, 2026, measured from the first close after the filing. Past results, not a forecast.
2 purchases disclosed; 50% of the 2 measured at 90 days finished ahead of the index. $1,000 placed after each of the 1 purchases disclosed since 2025-11-14 would be worth $1.1K today ($1K put in); the same in the S&P 500 (SPY): $1K.
Not ranked: fewer than 10 purchases measured at 90 days. The middle of the 82 ranked insiders is −5.5 pts (median, against the S&P 500).
John Marshall BancorpJMSB
132 disclosures · Nov 2024 – Jun 2026 · 129 sold · 2 bought
Jun 3, 2026Bought~$3.8Kdisclosed Jun 5
DetailsOfficial recordDec 16, 20251,901disclosed Dec 18
DetailsEqual weight counts every purchase once; by size counts it for its disclosed dollars. Both are measured from the first close after it was reported. Past results describe the past, not a forecast. How this is measured · Leaderboard
May 5, 2025Sold~$29Kdisclosed May 6
DetailsOfficial recordMay 5, 2025Sold~$19Kdisclosed May 6
DetailsOfficial recordMay 5, 2025Sold~$13Kdisclosed May 6
DetailsOfficial recordMay 5, 2025Sold~$153disclosed May 6
DetailsOfficial recordMay 5, 2025Sold~$520disclosed May 6
DetailsOfficial recordMay 5, 2025Sold~$1.7Kdisclosed May 6
DetailsOfficial recordMay 5, 2025Sold~$5.1Kdisclosed May 6
DetailsOfficial recordMay 5, 2025Sold~$51disclosed May 6
DetailsOfficial recordMay 5, 2025Sold~$1.7Kdisclosed May 6
DetailsOfficial recordMay 5, 2025Sold~$1.7Kdisclosed May 6
DetailsOfficial recordMay 5, 2025Sold~$2.1Kdisclosed May 6
DetailsOfficial recordMay 5, 2025Sold~$153disclosed May 6
DetailsOfficial recordMay 5, 2025Sold~$51disclosed May 6
DetailsOfficial recordMay 5, 2025Sold~$5.2Kdisclosed May 6
DetailsOfficial recordMay 5, 2025Sold~$4.7Kdisclosed May 6
DetailsOfficial recordMay 5, 2025Sold~$2.7Kdisclosed May 6
DetailsOfficial recordMay 5, 2025Sold~$34disclosed May 6
DetailsOfficial recordMay 5, 2025Sold~$34disclosed May 6
DetailsOfficial recordNov 20, 2024Sold~$48Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$31Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$22Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$19Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$13Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$11Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$6.8Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$205disclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$7.3Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$6.7Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$5.4Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$137disclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$2Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$2.3Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$8.7Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$92disclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$207disclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$3.1Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$2.4Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$4.8Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$44disclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$882disclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$2.2Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$4.4Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$2.3Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$2Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$2.3Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$2.2Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$636disclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$9.9Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$2.6Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$1.6Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$517disclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$293disclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$4.5Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$226disclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$4.4Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$2.3Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$9.6Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$8.7Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$3.1Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$2.3Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$92disclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$92disclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$4.6Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$2.3Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$2.3Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$93disclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$4.4Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$4Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$2.3Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$4.7Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$588disclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$4.3Kdisclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$23disclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$363disclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$728disclosed Nov 21
DetailsOfficial recordNov 20, 2024Sold~$91disclosed Nov 21
DetailsOfficial recordNov 19, 2024Sold~$25Kdisclosed Nov 20
DetailsOfficial recordNov 19, 2024Sold~$189disclosed Nov 20
DetailsOfficial recordNov 19, 2024Sold~$3.9Kdisclosed Nov 20
DetailsOfficial recordNov 19, 2024Sold~$2.8Kdisclosed Nov 20
DetailsOfficial recordNov 19, 2024Sold~$6.9Kdisclosed Nov 20
DetailsOfficial recordNov 19, 2024Sold~$379disclosed Nov 20
DetailsOfficial recordNov 19, 2024Sold~$3.6Kdisclosed Nov 20
DetailsOfficial recordNov 19, 2024Sold~$2.4Kdisclosed Nov 20
DetailsOfficial recordNov 19, 2024Sold~$24disclosed Nov 20
DetailsOfficial recordNov 19, 2024Sold~$190disclosed Nov 20
DetailsOfficial recordNov 19, 2024Sold~$167disclosed Nov 20
DetailsOfficial recordNov 19, 2024Sold~$3.4Kdisclosed Nov 20
DetailsOfficial recordNov 19, 2024Sold~$357disclosed Nov 20
DetailsOfficial recordNov 19, 2024Sold~$24disclosed Nov 20
DetailsOfficial recordNov 19, 2024Sold~$401disclosed Nov 20
DetailsOfficial recordNov 19, 2024Sold~$194disclosed Nov 20
DetailsOfficial recordNov 19, 2024Sold~$1.6Kdisclosed Nov 20
DetailsOfficial recordNov 19, 2024Sold~$330disclosed Nov 20
DetailsOfficial recordNov 19, 2024Sold~$167disclosed Nov 20
DetailsOfficial recordNov 19, 2024Sold~$358disclosed Nov 20
DetailsOfficial recordNov 19, 2024Sold~$119disclosed Nov 20
DetailsOfficial recordNov 19, 2024Sold~$191disclosed Nov 20
DetailsOfficial recordNov 19, 2024Sold~$5.3Kdisclosed Nov 20
DetailsOfficial recordNov 19, 2024Sold~$48disclosed Nov 20
DetailsOfficial recordNov 19, 2024Sold~$2.4Kdisclosed Nov 20
DetailsOfficial recordNov 19, 2024Sold~$1.6Kdisclosed Nov 20
DetailsOfficial recordNov 18, 2024Bought~$12Kdisclosed Nov 19
DetailsOfficial recordNov 18, 2024Sold~$12Kdisclosed Nov 19
DetailsOfficial recordNov 18, 2024Sold~$11Kdisclosed Nov 19
DetailsOfficial recordNov 18, 2024Sold~$888disclosed Nov 19
DetailsOfficial recordNov 18, 2024Sold~$4.8Kdisclosed Nov 19
DetailsOfficial recordNov 18, 2024Sold~$4.8Kdisclosed Nov 19
DetailsOfficial recordNov 18, 2024Sold~$1.7Kdisclosed Nov 19
DetailsOfficial recordNov 18, 2024Sold~$5.2Kdisclosed Nov 19
DetailsOfficial recordNov 18, 2024Sold~$2.4Kdisclosed Nov 19
DetailsOfficial recordNov 18, 2024Sold~$2.4Kdisclosed Nov 19
DetailsOfficial recordNov 18, 2024Sold~$289disclosed Nov 19
DetailsOfficial recordNov 18, 2024Sold~$2.4Kdisclosed Nov 19
DetailsOfficial recordNov 18, 2024Sold~$2.4Kdisclosed Nov 19
DetailsOfficial recordNov 18, 2024Sold~$24disclosed Nov 19
DetailsOfficial recordNov 18, 2024Sold~$2Kdisclosed Nov 19
DetailsOfficial recordNov 18, 2024Sold~$73disclosed Nov 19
DetailsOfficial recordNov 18, 2024Sold~$7.3Kdisclosed Nov 19
DetailsOfficial recordNov 18, 2024Sold~$73disclosed Nov 19
DetailsOfficial recordNov 18, 2024Sold~$9Kdisclosed Nov 19
DetailsOfficial recordNov 18, 2024Sold~$679disclosed Nov 19
DetailsOfficial recordNov 18, 2024Sold~$777disclosed Nov 19
DetailsOfficial recordNov 18, 2024Sold~$2.4Kdisclosed Nov 19
DetailsOfficial recordNov 18, 2024Sold~$4.9Kdisclosed Nov 19
DetailsOfficial recordNov 18, 2024Sold~$4.9Kdisclosed Nov 19
DetailsOfficial recordNov 18, 2024Sold~$4.9Kdisclosed Nov 19
DetailsOfficial recordNov 18, 2024Sold~$4.9Kdisclosed Nov 19
DetailsOfficial recordNov 18, 2024Sold~$3.4Kdisclosed Nov 19
DetailsOfficial recordNov 18, 2024Sold~$49disclosed Nov 19
DetailsOfficial recordAs of the latest filing on , Oscar Leland Mahan reported holding 94,981 shares of John Marshall Bancorp (JMSB), worth about $2.2M at the last close of $23 (Nov 13, 2026). In the last 12 months, Oscar Leland Mahan bought $3.8K in 1 open-market purchase.
| Company | Shares reported | How held | Last close | Value at last close | Reported |
|---|---|---|---|---|---|
| John Marshall Bancorp JMSB | 94,981 | 95K direct | $23 | $2.2M | Jun 3, 2026 |
Is this Oscar Leland Mahan’s net worth? No. A Form 4 reports the shares an insider owns in one company after each transaction, directly or through trusts and entities. It says nothing about cash, other investments, property or debt, options not yet exercised are not counted here, and a holding reported some time ago may have changed without a new filing. The value is shares times the last stored close, not a price anyone received. Sources: the filings listed below, each linked to EDGAR. Compare with the biggest insider stakes.
Oscar Leland Mahan bought shares on the open market in 2024 and 2026. Sales in 2 of the 3 years since 2024.
Oscar Leland Mahan reported 2 open-market purchases and 129 sales since 2024; purchases in 2 different years, most recently 2026.
| Year | Bought | Sold |
|---|---|---|
| 2026 | $3.8K1×1 trade | — |
| 2025 | — | $88K18×18 trades |
| 2024 | $12K1×1 trade | $449K111×111 trades |
Open-market purchases (code P) and sales (code S) on Forms 4 and 5. Up to Sep 2024 from the SEC's Insider Transactions Data Sets; since Oct 2024 from each filing as it is published. A trade filed twice (an amendment) counts once. Dollar totals use the price the filer reported; lines with no price count as trades without a value.
On the latest SEC Form 4, dated Jun 3, 2026, Oscar Leland Mahan reported holding 94,981 shares of John Marshall Bancorp (JMSB). At the last close of $23 on Nov 13, 2026, that is about $2.2M. This is the stake disclosed in filings, not a net worth.
In SEC filings of the last 12 months, Oscar Leland Mahan reported 1 open-market purchase worth $3.8K, and no open-market sale. Shares withheld for taxes, gifts and option exercises are not counted in these totals.
Oscar Leland Mahan bought shares on the open market in 2024 and 2026. Sales in 2 of the 3 years since 2024.
In SEC filings since 2024: the latest open-market purchase is from 2026; the latest open-market sale is from 2025.
John Marshall Bancorp (JMSB), from 2024 to 2026: 2 purchases and 129 sales.
Oscar Leland Mahan reported 2 open-market purchases and 129 sales here, 2024 to 2026.
Closing prices and the companies' last annual figures; a − or + is a fact of the close, not a forecast.
