BY
Byline Bancorp, Inc.$38.09-0.34 (-0.90%)Prev Close$38.43·MCap$1.76B·P/E12.37·Vol146.2K·Yield0.01%
▲
Buys (12M)
7
$84.5K
▼
Sells (12M)
8
$25.23M
◆
Net Activity
Net Seller
$25.15M
●
Active Insiders
11
last 12 mo
Over the past 12 months, insider activity at Byline Bancorp, Inc. (BY) has been dominated by selling, with 7 insider purchases totaling $84.5K and 8 insider sales totaling $25.23M. The most recent insider transaction was by HERSETH MARY JO S. (director), who purchased $11.5K worth of shares on Aug 20, 2026. Byline Bancorp, Inc. operates in the Financial Services sector, within the Banks - Regional industry, with a market cap of $1.76B.
BY Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Aug 20, 2026 | HERSETH MARY JO S. | director | Buy | 300 | $38.40 | $11.5K | 19,100 |
| Aug 20, 2026 | KISTNER WILLIAM G | director | Buy | 100 | $38.30 | $3.8K | 14,289 |
| Aug 14, 2026 | HERENCIA ROBERTO R | director, officer: CHIEF EXECUTIVE OFFICER | Sell | 19,750 | $39.21 | $774.3K | 411,643 |
| Aug 12, 2026 | Rose Dana | officer: CHIEF HUMAN RESOURCES OFFICER | Sell | 2,421 | $39.00 | $94.4K | 11,605 |
| Aug 11, 2026 | DEL VALLE PEROCHENA ANTONIO | director, 10 percent owner: | Sell | 300,000 | $39.10 | $11.73M0.7% OS | 11,535,145 |
| Aug 11, 2026 | MBG INVESTORS I, L.P. | 10 percent owner | Sell | 300,000 | $39.10 | $11.73M0.7% OS | 11,535,145 |
| May 4, 2026 | KISTNER WILLIAM G | director | Buy | 100 | $31.97 | $3.2K | 14,189 |
| Mar 16, 2026 | HERSETH MARY JO S. | director | Buy | 300 | $30.83 | $9.2K | 18,800 |
| Mar 2, 2026 | Barkidjija John | officer: HEAD OF CRE & SPECIALTY FIN | Sell | 4,509 | $32.33 | $145.8K | 19,243 |
| Feb 22, 2026 | ABRAHAM THOMAS | PRESIDENT, SBC | Sell | 2,843 | $33.13 | $94.2K | 43,133 |
| Feb 22, 2026 | Olano Maria Sherylle A | SVP, CHIEF ACCOUNTING OFFICER | Sell | 1,032 | $33.13 | $34.2K | 18,768 |
| Feb 17, 2026 | Doran Brian F | officer: General Counsel | Buy | 1,500 | $33.13 | $49.7K | 750 |
| Jan 28, 2026 | CABRERA PHILLIP R. | Director | Buy | 169 | $31.03 | $5.2K | 0 |
| Oct 28, 2025 | ABRAHAM THOMAS | PRESIDENT, SBC | Sell | 23,400 | $26.89 | $629.1K | 0 |
| Oct 28, 2025 | KISTNER WILLIAM G | Director | Buy | 65 | $27.56 | $1.8K | 0 |
| Sep 12, 2025 | Rose Dana | CHIEF HUMAN RESOURCES OFFICER | Sell | 1,999 | $28.76 | $57.5K | 0 |
| Aug 28, 2025 | Ptacin Brogan | HEAD OF COMMERCIAL BANKING | Sell | 11,812 | $29.10 | $343.7K | 0 |
| Aug 8, 2025 | KISTNER WILLIAM G | Director | Buy | 60 | $25.71 | $1.5K | 0 |
| Jul 29, 2025 | Olano Maria Sherylle A | SVP, CHIEF ACCOUNTING OFFICER | Sell | 217 | $27.32 | $5.9K | 0 |
| Jun 23, 2025 | Bell Thomas J III | EVP CHIEF FINANCIAL OFFICER | Sell | 19,513 | $25.52 | $498.0K | 0 |
| Jun 23, 2025 | HERENCIA ROBERTO R | CHIEF EXECUTIVE OFFICER | Sell | 73,681 | $25.52 | $1.88M | 0 |
| Jun 20, 2025 | BIGGAM MEGAN | EVP HEAD OF COMMUNITY BANKING | Sell | 22,250 | $25.05 | $557.4K | 0 |
| Jun 13, 2025 | HERSETH MARY JO S. | Director | Buy | 2,000 | $25.33 | $50.7K | 0 |
| Jun 13, 2025 | KISTNER WILLIAM G | Director | Buy | 164 | $25.29 | $4.1K | 0 |
| Jun 11, 2025 | CABRERA PHILLIP R. | Director | Buy | 2,360 | $24.75 | $58.4K | 0 |
| Jun 11, 2025 | DEL VALLE PEROCHENA ANTONIO | Director | Buy | 40,808 | $24.75 | $1.01M | 0 |
| Jun 11, 2025 | HERENCIA ROBERTO R | CHIEF EXECUTIVE OFFICER | Buy | 4,040 | $24.75 | $100.0K | 0 |
| Jun 11, 2025 | KENT STEVEN P. | Director | Buy | 4,125 | $24.75 | $102.1K | 0 |
| Jun 10, 2025 | BIGGAM MEGAN | EVP HEAD OF COMMUNITY BANKING | Sell | 3,611 | $26.75 | $96.6K | 0 |
| Jun 9, 2025 | BIGGAM MEGAN | EVP HEAD OF COMMUNITY BANKING | Sell | 8,576 | $26.75 | $229.4K | 0 |
| Jun 3, 2025 | Hugues Velez Margarita | Director | Sell | 925 | $26.06 | $24.1K | 0 |
| Mar 6, 2025 | HERSETH MARY JO S. | Director | Buy | 268 | $27.16 | $7.3K | 0 |
| Mar 4, 2025 | KISTNER WILLIAM G | Director | Buy | 65 | $27.77 | $1.8K | 0 |
| Feb 27, 2025 | Barkidjija John | HEAD OF CRE & SPECIALTY FIN | Sell | 4,468 | $28.18 | $125.9K | 0 |
| Feb 22, 2025 | ABRAHAM THOMAS | PRESIDENT, SBC | Sell | 9,761 | $28.87 | $281.8K | 0 |
| Feb 22, 2025 | Barkidjija John | HEAD OF CRE & SPECIALTY FIN | Sell | 2,020 | $28.91 | $58.4K | 0 |
| Feb 22, 2025 | Bell Thomas J III | EVP CHIEF FINANCIAL OFFICER | Sell | 2,800 | $28.91 | $80.9K | 0 |
| Feb 22, 2025 | BIGGAM MEGAN | EVP HEAD OF COMMUNITY BANKING | Sell | 1,131 | $28.91 | $32.7K | 0 |
| Feb 22, 2025 | Fucinato Mark | CHIEF CREDIT OFFICER | Sell | 2,266 | $28.91 | $65.5K | 0 |
| Feb 22, 2025 | HERENCIA ROBERTO R | CHIEF EXECUTIVE OFFICER | Sell | 11,695 | $28.91 | $338.1K | 0 |
| Feb 22, 2025 | JOHNSON MICHELLE LYNN | CHIEF RISK OFFICER | Sell | 1,121 | $28.91 | $32.4K | 0 |
| Feb 22, 2025 | Mando Nicolas | CHIEF TECHNOLOGY & OPERATIONS | Sell | 1,438 | $28.91 | $41.6K | 0 |
| Feb 22, 2025 | Olano Maria Sherylle A | SVP, CHIEF ACCOUNTING OFFICER | Sell | 1,015 | $28.91 | $29.3K | 0 |
| Feb 22, 2025 | Paracchini Alberto J | PRESIDENT | Sell | 5,453 | $28.91 | $157.6K | 0 |
| Feb 22, 2025 | Ptacin Brogan | HEAD OF COMMERCIAL BANKING | Sell | 2,069 | $28.91 | $59.8K | 0 |
| Feb 22, 2025 | Rose Dana | CHIEF HUMAN RESOURCES OFFICER | Sell | 1,625 | $28.91 | $47.0K | 0 |
| Nov 20, 2024 | KISTNER WILLIAM G | Director | Buy | 50 | $30.56 | $1.5K | 0 |
| Nov 7, 2024 | Barkidjija John | HEAD OF CRE & SPECIALTY FIN | Sell | 2,500 | $30.45 | $76.1K | 0 |
| Nov 7, 2024 | Paracchini Alberto J | PRESIDENT | Sell | 10,000 | $30.51 | $305.1K | 0 |
| Nov 7, 2024 | Ptacin Brogan | HEAD OF COMMERCIAL BANKING | Sell | 8,100 | $30.68 | $248.5K | 0 |
Showing 1–50 of 216
1 / 5
BY Insider Buying Activity
The following table shows recent insider purchases of Byline Bancorp, Inc. (BY) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Aug 20, 2026 | HERSETH MARY JO S. | director | Buy | 300 | $38.40 | $11.5K | 19,100 |
| Aug 20, 2026 | KISTNER WILLIAM G | director | Buy | 100 | $38.30 | $3.8K | 14,289 |
| May 4, 2026 | KISTNER WILLIAM G | director | Buy | 100 | $31.97 | $3.2K | 14,189 |
| Mar 16, 2026 | HERSETH MARY JO S. | director | Buy | 300 | $30.83 | $9.2K | 18,800 |
| Feb 17, 2026 | Doran Brian F | officer: General Counsel | Buy | 1,500 | $33.13 | $49.7K | 750 |
| Jan 28, 2026 | CABRERA PHILLIP R. | Director | Buy | 169 | $31.03 | $5.2K | 0 |
| Oct 28, 2025 | KISTNER WILLIAM G | Director | Buy | 65 | $27.56 | $1.8K | 0 |
| Aug 8, 2025 | KISTNER WILLIAM G | Director | Buy | 60 | $25.71 | $1.5K | 0 |
| Jun 13, 2025 | HERSETH MARY JO S. | Director | Buy | 2,000 | $25.33 | $50.7K | 0 |
| Jun 13, 2025 | KISTNER WILLIAM G | Director | Buy | 164 | $25.29 | $4.1K | 0 |
| Jun 11, 2025 | CABRERA PHILLIP R. | Director | Buy | 2,360 | $24.75 | $58.4K | 0 |
| Jun 11, 2025 | DEL VALLE PEROCHENA ANTONIO | Director | Buy | 40,808 | $24.75 | $1.01M | 0 |
| Jun 11, 2025 | HERENCIA ROBERTO R | CHIEF EXECUTIVE OFFICER | Buy | 4,040 | $24.75 | $100.0K | 0 |
| Jun 11, 2025 | KENT STEVEN P. | Director | Buy | 4,125 | $24.75 | $102.1K | 0 |
| Mar 6, 2025 | HERSETH MARY JO S. | Director | Buy | 268 | $27.16 | $7.3K | 0 |
| Mar 4, 2025 | KISTNER WILLIAM G | Director | Buy | 65 | $27.77 | $1.8K | 0 |
| Nov 20, 2024 | KISTNER WILLIAM G | Director | Buy | 50 | $30.56 | $1.5K | 0 |
BY Insider Selling Activity
The following table shows recent insider sales of Byline Bancorp, Inc. (BY) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Aug 14, 2026 | HERENCIA ROBERTO R | director, officer: CHIEF EXECUTIVE OFFICER | Sell | 19,750 | $39.21 | $774.3K | 411,643 |
| Aug 12, 2026 | Rose Dana | officer: CHIEF HUMAN RESOURCES OFFICER | Sell | 2,421 | $39.00 | $94.4K | 11,605 |
| Aug 11, 2026 | DEL VALLE PEROCHENA ANTONIO | director, 10 percent owner: | Sell | 300,000 | $39.10 | $11.73M0.7% OS | 11,535,145 |
| Aug 11, 2026 | MBG INVESTORS I, L.P. | 10 percent owner | Sell | 300,000 | $39.10 | $11.73M0.7% OS | 11,535,145 |
| Mar 2, 2026 | Barkidjija John | officer: HEAD OF CRE & SPECIALTY FIN | Sell | 4,509 | $32.33 | $145.8K | 19,243 |
| Feb 22, 2026 | ABRAHAM THOMAS | PRESIDENT, SBC | Sell | 2,843 | $33.13 | $94.2K | 43,133 |
| Feb 22, 2026 | Olano Maria Sherylle A | SVP, CHIEF ACCOUNTING OFFICER | Sell | 1,032 | $33.13 | $34.2K | 18,768 |
| Oct 28, 2025 | ABRAHAM THOMAS | PRESIDENT, SBC | Sell | 23,400 | $26.89 | $629.1K | 0 |
| Sep 12, 2025 | Rose Dana | CHIEF HUMAN RESOURCES OFFICER | Sell | 1,999 | $28.76 | $57.5K | 0 |
| Aug 28, 2025 | Ptacin Brogan | HEAD OF COMMERCIAL BANKING | Sell | 11,812 | $29.10 | $343.7K | 0 |
| Jul 29, 2025 | Olano Maria Sherylle A | SVP, CHIEF ACCOUNTING OFFICER | Sell | 217 | $27.32 | $5.9K | 0 |
| Jun 23, 2025 | Bell Thomas J III | EVP CHIEF FINANCIAL OFFICER | Sell | 19,513 | $25.52 | $498.0K | 0 |
| Jun 23, 2025 | HERENCIA ROBERTO R | CHIEF EXECUTIVE OFFICER | Sell | 73,681 | $25.52 | $1.88M | 0 |
| Jun 20, 2025 | BIGGAM MEGAN | EVP HEAD OF COMMUNITY BANKING | Sell | 22,250 | $25.05 | $557.4K | 0 |
| Jun 10, 2025 | BIGGAM MEGAN | EVP HEAD OF COMMUNITY BANKING | Sell | 3,611 | $26.75 | $96.6K | 0 |
| Jun 9, 2025 | BIGGAM MEGAN | EVP HEAD OF COMMUNITY BANKING | Sell | 8,576 | $26.75 | $229.4K | 0 |
| Jun 3, 2025 | Hugues Velez Margarita | Director | Sell | 925 | $26.06 | $24.1K | 0 |
| Feb 27, 2025 | Barkidjija John | HEAD OF CRE & SPECIALTY FIN | Sell | 4,468 | $28.18 | $125.9K | 0 |
| Feb 22, 2025 | ABRAHAM THOMAS | PRESIDENT, SBC | Sell | 9,761 | $28.87 | $281.8K | 0 |
| Feb 22, 2025 | Barkidjija John | HEAD OF CRE & SPECIALTY FIN | Sell | 2,020 | $28.91 | $58.4K | 0 |
| Feb 22, 2025 | Bell Thomas J III | EVP CHIEF FINANCIAL OFFICER | Sell | 2,800 | $28.91 | $80.9K | 0 |
| Feb 22, 2025 | BIGGAM MEGAN | EVP HEAD OF COMMUNITY BANKING | Sell | 1,131 | $28.91 | $32.7K | 0 |
| Feb 22, 2025 | Fucinato Mark | CHIEF CREDIT OFFICER | Sell | 2,266 | $28.91 | $65.5K | 0 |
| Feb 22, 2025 | HERENCIA ROBERTO R | CHIEF EXECUTIVE OFFICER | Sell | 11,695 | $28.91 | $338.1K | 0 |
| Feb 22, 2025 | JOHNSON MICHELLE LYNN | CHIEF RISK OFFICER | Sell | 1,121 | $28.91 | $32.4K | 0 |
| Feb 22, 2025 | Mando Nicolas | CHIEF TECHNOLOGY & OPERATIONS | Sell | 1,438 | $28.91 | $41.6K | 0 |
| Feb 22, 2025 | Olano Maria Sherylle A | SVP, CHIEF ACCOUNTING OFFICER | Sell | 1,015 | $28.91 | $29.3K | 0 |
| Feb 22, 2025 | Paracchini Alberto J | PRESIDENT | Sell | 5,453 | $28.91 | $157.6K | 0 |
| Feb 22, 2025 | Ptacin Brogan | HEAD OF COMMERCIAL BANKING | Sell | 2,069 | $28.91 | $59.8K | 0 |
| Feb 22, 2025 | Rose Dana | CHIEF HUMAN RESOURCES OFFICER | Sell | 1,625 | $28.91 | $47.0K | 0 |
| Nov 7, 2024 | Barkidjija John | HEAD OF CRE & SPECIALTY FIN | Sell | 2,500 | $30.45 | $76.1K | 0 |
| Nov 7, 2024 | Paracchini Alberto J | PRESIDENT | Sell | 10,000 | $30.51 | $305.1K | 0 |
| Nov 7, 2024 | Ptacin Brogan | HEAD OF COMMERCIAL BANKING | Sell | 8,100 | $30.68 | $248.5K | 0 |
BY Insiders
HERENCIA ROBERTO R
director, officer: CHIEF EXECUTIVE OFFICER
Bought $100.0KSold $8.10M
10 tradesLast: Aug 14, 2026
DEL VALLE PEROCHENA ANTONIO
director, 10 percent owner:
Bought $9.06MSold $11.73M
18 tradesLast: Aug 11, 2026
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