Byline Bancorp, Inc. (BY) insider trading.
In Q3 2026, insiders at Byline Bancorp, Inc. reported 8 non-derivative transactions on 7 Forms 3, 4 and 5: 2 open-market purchases worth $15K and 4 sales worth $24.3M.
- Transactions
- 8
- Purchases (P)
- 2
- Sales (S)
- 4
- Net shares, P minus S
- -621,771
- Insiders
- 7
- Last filed
- 2026-08-20
Insiders
| Insider | Relationship | Transactions | Buys | Sales |
|---|---|---|---|---|
| Ptacin Brogan | Officer · HEAD OF COMMERCIAL BANKING | 2 | 0 | 0 |
| Kistner William G | Director | 1 | 1 | 0 |
| Herseth Mary Jo S. | Director | 1 | 1 | 0 |
| Herencia Roberto R | Director, Officer · CHIEF EXECUTIVE OFFICER | 1 | 0 | 1 |
| Rose Dana | Officer · CHIEF HUMAN RESOURCES OFFICER | 1 | 0 | 1 |
| Del Valle Perochena Antonio | Director, TenPercentOwner | 1 | 0 | 1 |
| Mbg Investors I, L.P. | TenPercentOwner | 1 | 0 | 1 |
Transactions
| Date | Insider | Code | Shares | Price | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-08-19 | Kistner William G | P (A) | 100 | $38.3 | 14,289 | Form 4 |
| 2026-08-19 | Herseth Mary Jo S. | P (A) | 300 | $38.4 | 19,100 | Form 4 |
| 2026-08-13 | Herencia Roberto R | S (D) | 19,750 | $39.21 | 411,643 | Form 4 |
| 2026-08-12 | Rose Dana | S (D) | 2,421 | $39 | 11,605 | Form 4 |
| 2026-08-07 | Del Valle Perochena Antonio | S (D) | 300,000 | $39.1 | 11,535,145 | Form 4 |
| 2026-08-07 | Mbg Investors I, L.P. | S (D) | 300,000 | $39.1 | 11,535,145 | Form 4 |
| 2026-08-03 | Ptacin Brogan | A (A) | 9,450 | $12.7 | 35,309 | Form 4 |
| 2026-08-03 | Ptacin Brogan | D (D) | 9,450 | $39.61 | 25,859 | Form 4 |
Transaction codes in this quarter
Get BY insider transactions through the API
curl "https://sec-api.dev/api/v1/insider-transactions?period=2026q3&cik=1702750&limit=100" \
-H "Authorization: Bearer $SEC_API_KEY"Insider trading API guide · BY company page · Byline Bancorp, Inc. on SEC.gov
Questions
Are insiders buying or selling Byline Bancorp, Inc. (BY)?
In Q3 2026, insiders at Byline Bancorp, Inc. reported 8 non-derivative transactions on 7 Forms 3, 4 and 5: 2 open-market purchases worth $15K and 4 sales worth $24.3M. Grants, tax withholding and option exercises are counted as transactions but are not purchases or sales.
Where do these Byline Bancorp, Inc. insider trades come from?
From the SEC Insider Transactions Data Sets for Q3 2026, which republish the Forms 3, 4 and 5 filed on EDGAR. Each row links to its filing on SEC.gov.
Plain-text version for agents and LLMs: /insider-trading/by.md
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.