# Byline Bancorp, Inc. (BY) insider trading, Q3 2026

Canonical: https://sec-api.dev/insider-trading/by

> 8 non-derivative transactions: 2 purchases ($15K), 4 sales ($24.3M). CIK 1702750.

| Date | Insider | Relationship | Code | Shares | Price | Owned after | Filing |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 2026-08-19 | KISTNER WILLIAM G | Director | P | 100.0 | 38.3 | 14289.0 | https://www.sec.gov/Archives/edgar/data/1702750/000173931026000004/0001739310-26-000004-index.htm |
| 2026-08-19 | HERSETH MARY JO S. | Director | P | 300.0 | 38.4 | 19100.0 | https://www.sec.gov/Archives/edgar/data/1702750/000177276626000004/0001772766-26-000004-index.htm |
| 2026-08-13 | HERENCIA ROBERTO  R | Director, Officer | S | 19750.0 | 39.21 | 411643.0 | https://www.sec.gov/Archives/edgar/data/1702750/000121499326000004/0001214993-26-000004-index.htm |
| 2026-08-12 | Rose Dana | Officer | S | 2421.0 | 39.0 | 11605.0 | https://www.sec.gov/Archives/edgar/data/1702750/000185829126000004/0001858291-26-000004-index.htm |
| 2026-08-07 | DEL VALLE PEROCHENA ANTONIO | Director, TenPercentOwner | S | 300000.0 | 39.1 | 11535145.0 | https://www.sec.gov/Archives/edgar/data/1702750/000170990726000002/0001709907-26-000002-index.htm |
| 2026-08-07 | MBG INVESTORS I, L.P. | TenPercentOwner | S | 300000.0 | 39.1 | 11535145.0 | https://www.sec.gov/Archives/edgar/data/1702750/000171009426000002/0001710094-26-000002-index.htm |
| 2026-08-03 | Ptacin Brogan | Officer | A | 9450.0 | 12.7 | 35309.0 | https://www.sec.gov/Archives/edgar/data/1702750/000136818526000004/0001368185-26-000004-index.htm |
| 2026-08-03 | Ptacin Brogan | Officer | D | 9450.0 | 39.61 | 25859.0 | https://www.sec.gov/Archives/edgar/data/1702750/000136818526000004/0001368185-26-000004-index.htm |

Source: https://www.sec.gov/data-research/sec-markets-data/insider-transactions-data-sets

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