Oscar Leland Mahan

Director at John Marshall Bancorp · 3 reported transactions in 1 company · latest trade Jun 3, 2026

Their record

Across their whole record, 1 purchase can be measured; 0 did better than the S&P 500 over the next 6 months.

Typical move +7.5%, S&P 500 +10.5% over the same days.

1 more is too recent to measure.


John Marshall BancorpJMSB	Bought $3.8K · 179 shares	Jun 3, 2026	S&P 500 +2.0%thru Oct 27
John Marshall BancorpJMSB	Bought $13.3K · 712 shares	Jul 15, 2025	S&P 500 +23.7%thru Oct 27

Jun 3, 2026 · JMSB

$3.8K

S&P 500 +2.0%thru Oct 27

Jul 15, 2025 · JMSB

$13.3K

S&P 500 +23.7%thru Oct 27

3 transactionsPro adds every trade with how it did, their holdings and the money-flow chartPro is $29 a month

Built from their public trade reports and market prices: past moves, not predictions or advice.