Byline Bancorp, Inc. (BY) Insider Trading
Directors, officers and holders of more than 10% of BY report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 50 most recent of 194 transactions on file: 5 with code P, 7 with code S and 38 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 29, 2026 | Ptacin Brogan | HEAD OF COMMERCIAL BANKING | S Sale | 14,229 | $38.90 | $553,561 |
| Oct 29, 2026 | Ptacin Brogan | HEAD OF COMMERCIAL BANKING | S Sale | 1,871 | $39.05 | $73,058 |
| Oct 26, 2026 | Stewart Pamela C | Director | P Purchase | 1,160 | $38.61 | $44,785 |
| Aug 19, 2026 | HERSETH MARY JO S. | Director | P Purchase | 300 | $38.40 | $11,519 |
| Aug 19, 2026 | KISTNER WILLIAM G | Director | P Purchase | 100 | $38.30 | $3,830 |
| Aug 13, 2026 | HERENCIA ROBERTO R | CHIEF EXECUTIVE OFFICER | S Sale | 19,750 | $39.21 | $774,307 |
| Aug 12, 2026 | Rose Dana | CHIEF HUMAN RESOURCES OFFICER | S Sale | 2,421 | $39.00 | $94,419 |
| Aug 7, 2026 | MBG INVESTORS I, L.P. | 10% Owner | S Sale | 300,000 | $39.10 | $11,730,000 |
| Aug 7, 2026 | DEL VALLE PEROCHENA ANTONIO | Director | S Sale | 300,000 | $39.10 | $11,730,000 |
| Aug 3, 2026 | Ptacin Brogan | HEAD OF COMMERCIAL BANKING | A Award | 9,450 | $12.70 | $120,015 |
| Aug 3, 2026 | Ptacin Brogan | HEAD OF COMMERCIAL BANKING | M Exercise | 9,450 | Not measured | Not measured |
| Aug 3, 2026 | Ptacin Brogan | HEAD OF COMMERCIAL BANKING | D Disposition | 9,450 | $39.61 | $374,321 |
| Jun 8, 2026 | Hugues Velez Margarita | Director | A Award | 1,533 | Not measured | Not measured |
| Jun 8, 2026 | SACRISTAN CARLOS RUIZ | Director | A Award | 1,533 | Not measured | Not measured |
| Jun 2, 2026 | Hugues Velez Margarita | Director | F Tax Payment | 530 | $33.41 | $17,707 |
| May 4, 2026 | KISTNER WILLIAM G | Director | P Purchase | 100 | $31.97 | $3,197 |
| Apr 16, 2026 | ABRAHAM THOMAS | PRESIDENT, SBC | A Award | 2,406 | Not measured | Not measured |
| Mar 16, 2026 | HERSETH MARY JO S. | Director | P Purchase | 300 | $30.83 | $9,249 |
| Feb 26, 2026 | Barkidjija John | HEAD OF CRE & SPECIALTY FIN | S Sale | 4,509 | $32.33 | $145,776 |
| Feb 22, 2026 | Ptacin Brogan | HEAD OF COMMERCIAL BANKING | A Award | 3,866 | Not measured | Not measured |
| Feb 22, 2026 | Ptacin Brogan | HEAD OF COMMERCIAL BANKING | F Tax Payment | 1,338 | $33.13 | $44,328 |
| Feb 22, 2026 | Bell Thomas J III | EVP CHIEF FINANCIAL OFFICER | F Tax Payment | 2,328 | $33.13 | $77,127 |
| Feb 22, 2026 | JOHNSON MICHELLE LYNN | CHIEF RISK OFFICER | A Award | 2,065 | Not measured | Not measured |
| Feb 22, 2026 | Ptacin Brogan | HEAD OF COMMERCIAL BANKING | A Award | 2,415 | Not measured | Not measured |
| Feb 22, 2026 | JOHNSON MICHELLE LYNN | CHIEF RISK OFFICER | F Tax Payment | 637 | $33.13 | $21,104 |
| Feb 22, 2026 | JOHNSON MICHELLE LYNN | CHIEF RISK OFFICER | A Award | 2,367 | Not measured | Not measured |
| Feb 22, 2026 | Rose Dana | CHIEF HUMAN RESOURCES OFFICER | F Tax Payment | 855 | $33.13 | $28,326 |
| Feb 22, 2026 | Rose Dana | CHIEF HUMAN RESOURCES OFFICER | A Award | 2,537 | Not measured | Not measured |
| Feb 22, 2026 | Rose Dana | CHIEF HUMAN RESOURCES OFFICER | F Tax Payment | 1,139 | $33.13 | $37,735 |
| Feb 22, 2026 | Rose Dana | CHIEF HUMAN RESOURCES OFFICER | A Award | 3,291 | Not measured | Not measured |
| Feb 22, 2026 | BIGGAM MEGAN | EVP HEAD OF COMMUNITY BANKING | A Award | 2,231 | Not measured | Not measured |
| Feb 22, 2026 | Ptacin Brogan | HEAD OF COMMERCIAL BANKING | F Tax Payment | 858 | $33.13 | $28,426 |
| Feb 22, 2026 | Olano Maria Sherylle A | SVP, CHIEF ACCOUNTING OFFICER | F Tax Payment | 1,032 | $33.13 | $34,190 |
| Feb 22, 2026 | ABRAHAM THOMAS | PRESIDENT, SBC | F Tax Payment | 2,843 | $33.13 | $94,189 |
| Feb 22, 2026 | Barkidjija John | HEAD OF CRE & SPECIALTY FIN | F Tax Payment | 1,311 | $33.13 | $43,433 |
| Feb 22, 2026 | Mando Nicolas | CHIEF TECHNOLOGY & OPERATIONS | A Award | 2,231 | Not measured | Not measured |
| Feb 22, 2026 | Doran Brian F | General Counsel | A Award | 1,783 | Not measured | Not measured |
| Feb 22, 2026 | Mando Nicolas | CHIEF TECHNOLOGY & OPERATIONS | A Award | 1,704 | Not measured | Not measured |
| Feb 22, 2026 | BIGGAM MEGAN | EVP HEAD OF COMMUNITY BANKING | F Tax Payment | 678 | $33.13 | $22,462 |
| Feb 22, 2026 | Fucinato Mark | CHIEF CREDIT OFFICER | A Award | 2,293 | Not measured | Not measured |
| Feb 22, 2026 | Fucinato Mark | CHIEF CREDIT OFFICER | F Tax Payment | 934 | $33.13 | $30,943 |
| Feb 22, 2026 | Mando Nicolas | CHIEF TECHNOLOGY & OPERATIONS | F Tax Payment | 772 | $33.13 | $25,576 |
| Feb 22, 2026 | Barkidjija John | HEAD OF CRE & SPECIALTY FIN | A Award | 2,234 | Not measured | Not measured |
| Feb 22, 2026 | Bell Thomas J III | EVP CHIEF FINANCIAL OFFICER | F Tax Payment | 2,731 | $33.13 | $90,478 |
| Feb 22, 2026 | Barkidjija John | HEAD OF CRE & SPECIALTY FIN | A Award | 3,789 | Not measured | Not measured |
| Feb 22, 2026 | ABRAHAM THOMAS | PRESIDENT, SBC | A Award | 7,094 | Not measured | Not measured |
| Feb 22, 2026 | Fucinato Mark | CHIEF CREDIT OFFICER | F Tax Payment | 1,419 | $33.13 | $47,011 |
| Feb 22, 2026 | Fucinato Mark | CHIEF CREDIT OFFICER | A Award | 3,948 | Not measured | Not measured |
| Feb 22, 2026 | Mando Nicolas | CHIEF TECHNOLOGY & OPERATIONS | F Tax Payment | 636 | $33.13 | $21,071 |
| Feb 22, 2026 | Paracchini Alberto J | PRESIDENT | A Award | 11,303 | Not measured | Not measured |
The full Form 4 history is on the BY company page (Insider Trades card, View all).
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.