JMSB — Insider Trading Activity
2 insiders at JMSB put personal money into the stock on the open market this window, led by a Director, with nobody selling.
What this means for JMSB
JMSB is not showing a cluster buy or a step-change versus its own baseline, so what the window amounts to is 2 insiders acting separately, with 95% of the dollars coming from one of them. Who is buying. The most credible buyer in this window is a Director (< $100K). That insider’s track record: past buys beat the S&P 500 5 of 8 times (avg +1% vs S&P over 6 mo). Overall credibility score: 16/100 (Low).
By the numbers. 2 insiders filed 3 open-market purchases at JMSB over the window, 2,490 shares in all at an average of $22.92 a share, most recently on August 26, 2026. No insider sold JMSB stock on the open market in that period.
How we read these filings — which transaction codes count, how the cluster and credibility thresholds are set, and what the signals have and haven’t predicted — is written up in the insider trading methodology.
JMSB insider filings, one by one
All 3 Form 4 filings from the last 90 days, by insider, with share count, dollar amount and date.
Other tickers with the same signal
Companies of a comparable size whose Form 4 filings tripped the same insider buying flag as JMSB in this window.
- ARQ insider trading — 1 buyer, credibility 24/100
- EEFT insider trading — 1 buyer, credibility 12/100
- CLB insider trading — 1 buyer, credibility 23/100
- EYPT insider trading — 1 buyer, credibility 15/100
- FRST insider trading — 2 buyers, credibility 17/100