CSBB insider buying
4 cluster buysCSB Bancorp, Inc.
When two or more insiders at CSB Bancorp, Inc. buy CSBB in a qualifying detection window, the grouped purchases provide a starting point for further research. Below is every cluster we've detected in CSBB plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.
Detected clusters
- Sep 2 – Sep 22, 2026Detected Sep 24, 2026Executive buyer3 insidersTotal bought$50.5KMarket capUnknown
- Sep 2 – Sep 8, 2026Detected Sep 10, 2026Executive buyer2 insidersTotal bought$49.9KMarket capUnknown
- Sep 2 – Sep 3, 2026Detected Sep 4, 2026Executive buyer2 insidersTotal bought$47.1KMarket capUnknown
1 more cluster in CSBB
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All notable open-market buys in CSBB
Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.
| Date | Insider | Shares | Price | Value | Filing |
|---|---|---|---|---|---|
| Sep 22, 2026 | Kirkbride Cheryl Mcluster Director | 7.81 | $79.69 | $622.4 | SEC ↗ |
| Sep 8, 2026 | STEINER EDDIE Lcluster Director, President & CEO | 38 | $74.08 | $2.8K | SEC ↗ |
| Sep 3, 2026 | Schillig Stephen Ecluster Director | 134 | $76.99 | $10.3K | SEC ↗ |
| Sep 2, 2026 | STEINER EDDIE Lcluster Director, President & CEO | 500 | $73.51 | $36.8K | SEC ↗ |
| Mar 24, 2026 | Kirkbride Cheryl Mcluster Director | 9.46 | $62.00 | $586.5 | SEC ↗ |
| Feb 19, 2026 | STEINER EDDIE Lcluster Director, President & CEO | 515 | $57.00 | $29.4K | SEC ↗ |
| Feb 19, 2026 | STEINER EDDIE Lcluster Director, President & CEO | 435 | $56.50 | $24.6K | SEC ↗ |
| Feb 18, 2026 | STEINER EDDIE Lcluster Director, President & CEO | 320 | $57.50 | $18.4K | SEC ↗ |
| Feb 5, 2026 | STEINER EDDIE Lcluster Director, President & CEO | 500 | $57.01 | $28.5K | SEC ↗ |
| Nov 17, 2025 | BAKER ROBERT Kcluster Director | 150 | $50.00 | $7.5K | SEC ↗ |
| Nov 17, 2025 | BAKER ROBERT Kcluster Director | 100 | $49.28 | $4.9K | SEC ↗ |
| Nov 5, 2025 | Briggs Vikki Gcluster Director | 600 | $51.00 | $30.6K | SEC ↗ |
| Oct 30, 2025 | Kirkbride Cheryl Mcluster Director | 75 | $53.00 | $4.0K | SEC ↗ |
| Oct 30, 2025 | Kirkbride Cheryl Mcluster Director | 50 | $51.75 | $2.6K | SEC ↗ |
| Oct 24, 2025 | Schillig Stephen Ecluster Director | 98 | $53.00 | $5.2K | SEC ↗ |
| Sep 2, 2025 | STEINER EDDIE Lcluster Director, President & CEO | 500 | $45.90 | $23.0K | SEC ↗ |
| Aug 8, 2025 | Kirkbride Cheryl Mcluster Director | 150 | $45.90 | $6.9K | SEC ↗ |
| Aug 5, 2025 | Coblentz Julian Lcluster Director | 500 | $44.50 | $22.3K | SEC ↗ |
| Jul 31, 2025 | Schillig Stephen Ecluster Director | 100 | $44.99 | $4.5K | SEC ↗ |
| Jul 24, 2025 | STEINER EDDIE Lcluster Director, President & CEO | 400 | $44.00 | $17.6K | SEC ↗ |
| Jul 24, 2025 | STEINER EDDIE Lcluster Director, President & CEO | 250 | $44.00 | $11.0K | SEC ↗ |
| Jun 26, 2025 | BAKER ROBERT Kcluster Director | 300 | $44.00 | $13.2K | SEC ↗ |
| Jun 26, 2025 | BAKER ROBERT Kcluster Director | 300 | $44.00 | $13.2K | SEC ↗ |
| Jun 3, 2025 | STEINER EDDIE Lcluster Director, President & CEO | 200 | $43.76 | $8.8K | SEC ↗ |
| May 29, 2025 | Coblentz Julian Lcluster Director | 300 | $41.07 | $12.3K | SEC ↗ |
CSBB insider buying — FAQ
- Are insiders buying CSBB stock?
- Yes — 9 distinct insiders have bought CSBB (CSB Bancorp, Inc.) on the open market, including 4 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was Sep 24, 2026.
- How much CSBB stock have insiders bought?
- Insiders have bought a combined $999.0K of CSBB across 66 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in CSBB?
- A cluster buy is two or more distinct CSB Bancorp, Inc. insiders — officers, directors, or 10% owners — each buying CSBB on the open market within a rolling window. CSBB has 4 detected cluster buys to date.
- Where does this CSBB insider trading data come from?
- Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.
How we track insider buying in CSBB
We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy CSBB within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Transactions link to official filings; prices and market capitalizations may be cached market data. Read our methodology and data limits before interpreting the figures. What counts as a cluster buy?
This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding CSBB.