BY insider buying
6 cluster buysBYLINE BANCORP, INC.
When two or more insiders at BYLINE BANCORP, INC. buy BY in a qualifying detection window, the grouped purchases provide a starting point for further research. Below is every cluster we've detected in BY 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
- Aug 19 – Oct 26, 2026Detected Oct 26, 20263 insidersTotal bought$60.1KMarket capUnknown
- Aug 19 – Aug 19, 2026Detected Aug 20, 20262 insidersTotal bought$15.3KMarket capUnknown
- Jan 28 – Mar 16, 2026Detected Mar 16, 20263 insidersTotal bought$39.3KMarket cap$1.7B
3 more clusters in BY
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All notable open-market buys in BY
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 |
|---|---|---|---|---|---|
| Oct 26, 2026 | Stewart Pamela Ccluster Director | 1,160 | $38.61 | $44.8K | SEC ↗ |
| Aug 19, 2026 | HERSETH MARY JO S.cluster Director | 300 | $38.40 | $11.5K | SEC ↗ |
| Aug 19, 2026 | KISTNER WILLIAM Gcluster Director | 100 | $38.30 | $3.8K | SEC ↗ |
| Mar 16, 2026 | HERSETH MARY JO S.cluster Director | 300 | $30.83 | $9.2K | SEC ↗ |
| Feb 17, 2026 | Doran Brian Fcluster General Counsel | 750 | $33.13 | $24.8K | SEC ↗ |
| Jan 28, 2026 | CABRERA PHILLIP R.cluster Director | 169 | $31.03 | $5.2K | SEC ↗ |
| Oct 28, 2025 | Director | 65 | $27.56 | $1.8K | SEC ↗ |
| Aug 8, 2025 | Director | 60 | $25.71 | $1.5K | SEC ↗ |
| Jun 13, 2025 | Director | 2,000 | $25.33 | $50.7K | SEC ↗ |
| Jun 13, 2025 | Director | 164 | $25.29 | $4.1K | SEC ↗ |
| Jun 11, 2025 | DEL VALLE PEROCHENA ANTONIOcluster Director, 10% Owner | 40,808 | $24.75 | $1.0M | SEC ↗ |
| Jun 11, 2025 | KENT STEVEN P.cluster Director | 4,125 | $24.75 | $102.1K | SEC ↗ |
| Jun 11, 2025 | Director, CHIEF EXECUTIVE OFFICER | 4,040 | $24.75 | $100.0K | SEC ↗ |
| Jun 11, 2025 | Director | 2,360 | $24.75 | $58.4K | SEC ↗ |
| Mar 6, 2025 | HERSETH MARY JO S.cluster Director | 268 | $27.16 | $7.3K | SEC ↗ |
| Mar 4, 2025 | KISTNER WILLIAM Gcluster Director | 65 | $27.77 | $1.8K | SEC ↗ |
| Nov 20, 2024 | KISTNER WILLIAM Gcluster Director | 50 | $30.56 | $1.5K | SEC ↗ |
| Aug 26, 2024 | KISTNER WILLIAM Gcluster Director | 60 | $27.91 | $1.7K | SEC ↗ |
| Aug 7, 2024 | Stewart Pamela Ccluster Director | 3,850 | $25.99 | $100.1K | SEC ↗ |
| Jun 14, 2024 | KISTNER WILLIAM Gcluster Director | 50 | $22.47 | $1.1K | SEC ↗ |
| Jun 6, 2024 | KENT STEVEN P.cluster Director | 250 | $22.44 | $5.6K | SEC ↗ |
BY insider buying — FAQ
- Are insiders buying BY stock?
- Yes — 11 distinct insiders have bought BY (BYLINE BANCORP, INC.) on the open market, including 6 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was Oct 26, 2026.
- How much BY stock have insiders bought?
- Insiders have bought a combined $1.5M of BY across 21 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in BY?
- A cluster buy is two or more distinct BYLINE BANCORP, INC. insiders — officers, directors, or 10% owners — each buying BY on the open market within a rolling window. BY has 6 detected cluster buys to date.
- Where does this BY 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 BY
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 BY 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 BY.