NYSE · CIK 0001702750
BY BYLINE BANCORP, INC.
Insider trading from SEC Form 4. Last filing Aug 20, 2026. Close $36.32 on Oct 9, 2026, +43% from the 52-week low and -9% from the high.
BYLINE BANCORP, INC. (BY) has 67 SEC Form 4 filings on file from 21 insiders, the latest filed on Aug 20, 2026. In the last 90 days insiders made 2 open-market buys worth $15k and 4 open-market sells worth $24M, net -$24M.
32 open-market trades have been scored at BY. The newest: William G Kistner (director) bought $3,830 of stock on Aug 19, 2026, filed Aug 20, 2026, scored 23 (weak). The largest of the 32 shown: Perochena Antonio Del Valle (director and 10% owner) sold $12M on Aug 7, 2026, scored 55 (moderate). 2 insiders bought within 14 days of each other around Aug 19, 2026.
BY closed at $36.32 on Oct 9, 2026, 43% above its 52-week low and 9% below its 52-week high.
12 Form 144 notices of planned sales are on file, the latest filed Aug 13, 2026.
Last 90 days
Net insider value
-$24M
more sold than bought
Buys
2
$15k by 2 insiders
Sells
4
$24M by 4 insiders
Insiders on file
21
with a Form 4 at this company
Price and insider trades, last year
BYOct 9, 2026 · close 36.32
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at BYLINE BANCORP, INC., scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 23Weak | William G Kistner director buy | $3,830 100 shares | +1% | +50% from low-4% from high | |
| 23Weak | Mary Jo S. Herseth director buy | $12k 300 shares | +2% | +50% from low-4% from high | |
| 62Notable | Roberto R Herencia CHIEF EXECUTIVE OFFICER sell | $774k 19,750 shares | -5% | +55% from low-1% from high | |
| 45Moderate | Dana Rose CHIEF HUMAN RESOURCES OFFICER sell | $94k 2,421 shares | -17% | +55% from low-1% from high | |
| 55Moderate | Perochena Antonio Del Valle director, owner sell | $12M 300,000 shares | -3% | +55% from low-2% from high | |
| 52Moderate | Mbg Investors I, L.p. owner sell | $12M 300,000 shares | -3% | +55% from low-2% from high | |
| 10Weak | William G Kistner director buy | $3,197 100 shares | +1% | +30% from low-5% from high | |
| 15Weak | Mary Jo S. Herseth director buy | $9,249 300 shares | +2% | +33% from low-9% from high | |
| 31Weak | John Barkidjija HEAD OF CRE & SPECIALTY FIN sell | $146k 4,509 shares | -19% | +42% from low-3% from high | |
| 23Weak | Brian F Doran General Counsel buy | $25k 750 shares | - | +45% from low-1% from high | |
| 15Weak | Phillip R. Cabrera director buy | $5,244 169 shares | +4% | +35% from low-3% from high | |
| 50Moderate | Thomas Abraham PRESIDENT, SBC sell | $629k 23,400 shares | -38% | +18% from low-14% from high | |
| 15Weak | William G Kistner director buy | $1,791 65 shares | +0% | +18% from low-14% from high | |
| 27Weak | Dana Rose CHIEF HUMAN RESOURCES OFFICER sell | $57k 1,999 shares | -16% | +26% from low-8% from high | |
| 25Weak | Brogan Ptacin HEAD OF COMMERCIAL BANKING sell | $344k 11,812 shares | -35% | +26% from low-8% from high | |
| 19Weak | William G Kistner director buy | $1,542 60 shares | +0% | +12% from low-19% from high | |
| 44Moderate | William G Kistner director buy | $4,147 164 shares | +1% | +9% from low-21% from high | |
| 47Moderate | Steven P. Kent director buy | $102k 4,125 shares | +6% | +11% from low-19% from high | |
| 67Notable | Perochena Antonio Del Valle director, owner buy | $1.0M 40,808 shares | - | +11% from low-19% from high | |
| 54Moderate | Roberto R Herencia CHIEF EXECUTIVE OFFICER buy | $100k 4,040 shares | +1% | +11% from low-19% from high | |
| 54Moderate | Mary Jo S. Herseth director buy | $51k 2,000 shares | +12% | +9% from low-21% from high | |
| 15Weak | Megan Biggam EVP HEAD OF COMMUNITY BANKING sell | $97k 3,611 shares | -17% | +15% from low-16% from high | |
| 51Moderate | Phillip R. Cabrera director buy | $58k 2,360 shares | +148% | +11% from low-19% from high | |
| 23Weak | Megan Biggam EVP HEAD OF COMMUNITY BANKING sell | $229k 8,576 shares | -33% | +15% from low-17% from high | |
| 23Weak | Mary Jo S. Herseth director buy | $7,278 268 shares | +2% | - | |
| 18Weak | William G Kistner director buy | $1,805 65 shares | +0% | - | |
| 39Weak | John Barkidjija HEAD OF CRE & SPECIALTY FIN sell | $126k 4,468 shares | -18% | - | |
| 40Moderate | Thomas Abraham PRESIDENT, SBC sell | $192k 6,658 shares | -10% | - | |
| 10Weak | William G Kistner director buy | $1,528 50 shares | +0% | - | |
| 43Moderate | John Barkidjija HEAD OF CRE & SPECIALTY FIN sell | $76k 2,500 shares | -11% | - | |
| 49Moderate | Alberto J Paracchini PRESIDENT sell | $305k 10,000 shares | -6% | - | |
| 53Moderate | Brogan Ptacin HEAD OF COMMERCIAL BANKING sell | $249k 8,100 shares | -32% | - |
Planned sales
Form 144 notices filed before a sale of restricted or control stock, newest first. The sale itself usually reaches a Form 4 within days. All planned sales
| Filed | Seller | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Aug 13, 2026 | Roberto Herencia Director | 19,750 0.04% of outstanding | $785k | Aug 13, 2026 | none |
| Aug 12, 2026 | DanaRose Officer | 2,421 0.01% of outstanding | $95k | Aug 12, 2026 | none |
| Aug 3, 2026 | Brogan Ptacin Director | 9,450 0.02% of outstanding | $375k | Aug 3, 2026 | none |
| Feb 26, 2026 | John Barkdidjija Officer | 4,905 0.01% of outstanding | $160k | Feb 26, 2026 | none |
| Sep 12, 2025 | Rose Dana Officer | 1,999 0.00% of outstanding | $57k | Sep 12, 2025 | none |
| Aug 28, 2025 | Ptacin Brogan Officer | 11,812 0.03% of outstanding | $352k | Aug 28, 2025 | none |
| Jun 9, 2025 | BIGGAM MEGAN Officer | 12,187 0.03% of outstanding | $335k | Jun 9, 2025 | none |
| Feb 27, 2025 | Barkidjija John Officer | 4,468 0.01% of outstanding | $129k | Feb 27, 2025 | none |
| Feb 24, 2025 | THOMAS ABRAHAM Officer | 6,658 0.01% of outstanding | $199k | Feb 25, 2025 | none |
| Nov 7, 2024 | Brogan Ptacin Director | 8,100 0.02% of outstanding | $244k | Nov 7, 2024 | none |
| Nov 7, 2024 | Barkidjija John Officer | 2,500 0.01% of outstanding | $76k | Nov 7, 2024 | none |
| Nov 7, 2024 | Paracchini Alberto J Officer | 10,000 0.02% of outstanding | $307k | Nov 7, 2024 | none |
Transactions
The newest 50 of 187 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Aug 19, 2026 | Mary Jo S. Herseth director | POpen-market purchase Common stockindirect: The Herseth Family Revocable Trust Dated 12/02/25 | +300 | $38.40 | $12k | 19,100 | Aug 20, 2026 |
| Aug 19, 2026 | William G Kistner director | POpen-market purchase Common stockindirect: William G. Kistner Trust Date June 22, 1973 | +100 | $38.30 | $3,830 | 14,289 | Aug 20, 2026 |
| Aug 13, 2026 | Roberto R Herencia CHIEF EXECUTIVE OFFICER | SOpen-market sale Common stock | -19,750 | $39.21 | $774k | 411,643 | Aug 14, 2026 |
| Aug 12, 2026 | Dana Rose CHIEF HUMAN RESOURCES OFFICER | SOpen-market sale Common stock | -2,421 | $39.00 | $94k | 11,605 | Aug 12, 2026 |
| Aug 7, 2026 | Perochena Antonio Del Valle director, owner | SOpen-market sale Common stockindirect: By MBG Investors I, L.P. | -300,000 | $39.10 | $12M | 11,535,145 | Aug 11, 2026 |
| Aug 7, 2026 | Mbg Investors I, L.p. owner | SOpen-market sale Common stock | -300,000 | $39.10 | $12M | 11,535,145 | Aug 11, 2026 |
| Aug 3, 2026 | Brogan Ptacin HEAD OF COMMERCIAL BANKING | AGrant or award Common stock | +9,450 | $12.70 | $120k | 35,309 | Aug 4, 2026 |
| Aug 3, 2026 | Brogan Ptacin HEAD OF COMMERCIAL BANKING | DDisposition to issuer Common stock | -9,450 | $39.61 | $374k | 25,859 | Aug 4, 2026 |
| Aug 3, 2026 | Brogan Ptacin HEAD OF COMMERCIAL BANKING | MOption exercise Common Stockderivative | -9,450 | $0.00 | $0 | 0 | Aug 4, 2026 |
| Jun 8, 2026 | Carlos Ruiz Sacristan director | AGrant or award Common Stock | +1,533 | $0.00 | $0 | 13,533 | Jun 10, 2026 |
| Jun 8, 2026 | Velez Margarita Hugues director | AGrant or award Common Stock | +1,533 | $0.00 | $0 | 8,722 | Jun 10, 2026 |
| Jun 2, 2026 | Velez Margarita Hugues director | FTax withholding Common Stock | -530 | $33.41 | $18k | 7,189 | Jun 3, 2026 |
| May 4, 2026 | William G Kistner director | POpen-market purchase Common stockindirect: William G. Kistner Trust Date June 22, 1973 | +100 | $31.97 | $3,197 | 14,189 | May 4, 2026 |
| Apr 16, 2026 | Thomas Abraham PRESIDENT, SBC | AGrant or award Comon stock | +2,406 | $0.00 | $0 | 45,539 | Apr 20, 2026 |
| Mar 16, 2026 | Mary Jo S. Herseth director | POpen-market purchase Common stockindirect: The Herseth Family Revocable Trust Dated 12/02/25 | +300 | $30.83 | $9,249 | 18,800 | Mar 16, 2026 |
| Feb 26, 2026 | John Barkidjija HEAD OF CRE & SPECIALTY FIN | SOpen-market sale Common stock | -4,509 | $32.33 | $146k | 19,243 | Mar 2, 2026 |
| Feb 22, 2026 | Dana Rose CHIEF HUMAN RESOURCES OFFICER | AGrant or award Common stock | +3,291 | $0.00 | $0 | 13,483 | Feb 24, 2026 |
| Feb 22, 2026 | John Barkidjija HEAD OF CRE & SPECIALTY FIN | AGrant or award Common stock | +3,789 | $0.00 | $0 | 23,667 | Feb 24, 2026 |
| Feb 22, 2026 | Thomas Abraham PRESIDENT, SBC | AGrant or award Comon stock | +7,094 | $0.00 | $0 | 45,976 | Feb 24, 2026 |
| Feb 22, 2026 | Alberto J Paracchini PRESIDENT | AGrant or award Common stock | +11,303 | $0.00 | $0 | 192,405 | Feb 24, 2026 |
| Feb 22, 2026 | Megan Biggam EVP HEAD OF COMMUNITY BANKING | AGrant or award Common stock | +2,231 | $0.00 | $0 | 34,172 | Feb 24, 2026 |
| Feb 22, 2026 | Michelle Lynn Johnson CHIEF RISK OFFICER | AGrant or award Common stock | +2,367 | $0.00 | $0 | 10,332 | Feb 24, 2026 |
| Feb 22, 2026 | Roberto R Herencia CHIEF EXECUTIVE OFFICER | AGrant or award Common stock | +24,809 | $0.00 | $0 | 418,710 | Feb 24, 2026 |
| Feb 22, 2026 | Nicolas Mando CHIEF TECHNOLOGY & OPERATIONS | AGrant or award Common stock | +2,231 | $0.00 | $0 | 15,297 | Feb 24, 2026 |
| Feb 22, 2026 | Mark Fucinato CHIEF CREDIT OFFICER | AGrant or award Common stock | +3,948 | $0.00 | $0 | 24,749 | Feb 24, 2026 |
| Feb 22, 2026 | Brian F Doran General Counsel | AGrant or award Common Stock | +1,783 | $0.00 | $0 | 2,533 | Feb 24, 2026 |
| Feb 22, 2026 | Maria Sherylle A Olano SVP, CHIEF ACCOUNTING OFFICER | AGrant or award Common stock | +2,378 | $0.00 | $0 | 19,800 | Feb 24, 2026 |
| Feb 22, 2026 | Brogan Ptacin HEAD OF COMMERCIAL BANKING | AGrant or award Common stock | +3,866 | $0.00 | $0 | 25,640 | Feb 24, 2026 |
| Feb 22, 2026 | Thomas J Bell III EVP CHIEF FINANCIAL OFFICER | AGrant or award Common stock | +5,849 | $0.00 | $0 | 56,886 | Feb 24, 2026 |
| Feb 22, 2026 | Thomas J Bell III EVP CHIEF FINANCIAL OFFICER | FTax withholding Common stock | -2,731 | $33.13 | $90k | 54,155 | Feb 24, 2026 |
| Feb 22, 2026 | Dana Rose CHIEF HUMAN RESOURCES OFFICER | FTax withholding Common stock | -1,139 | $33.13 | $38k | 12,344 | Feb 24, 2026 |
| Feb 22, 2026 | John Barkidjija HEAD OF CRE & SPECIALTY FIN | FTax withholding Common stock | -1,311 | $33.13 | $43k | 22,356 | Feb 24, 2026 |
| Feb 22, 2026 | Thomas Abraham PRESIDENT, SBC | FTax withholding Comon stock | -2,843 | $33.13 | $94k | 43,133 | Feb 24, 2026 |
| Feb 22, 2026 | Alberto J Paracchini PRESIDENT | FTax withholding Common stock | -3,415 | $33.13 | $113k | 188,990 | Feb 24, 2026 |
| Feb 22, 2026 | Megan Biggam EVP HEAD OF COMMUNITY BANKING | FTax withholding Common stock | -772 | $33.13 | $26k | 33,400 | Feb 24, 2026 |
| Feb 22, 2026 | Nicolas Mando CHIEF TECHNOLOGY & OPERATIONS | FTax withholding Common stock | -772 | $33.13 | $26k | 14,525 | Feb 24, 2026 |
| Feb 22, 2026 | Michelle Lynn Johnson CHIEF RISK OFFICER | FTax withholding Common stock | -702 | $33.13 | $23k | 9,630 | Feb 24, 2026 |
| Feb 22, 2026 | Mark Fucinato CHIEF CREDIT OFFICER | FTax withholding Common stock | -1,419 | $33.13 | $47k | 23,330 | Feb 24, 2026 |
| Feb 22, 2026 | Roberto R Herencia CHIEF EXECUTIVE OFFICER | FTax withholding Common stock | -7,289 | $33.13 | $241k | 411,421 | Feb 24, 2026 |
| Feb 22, 2026 | Maria Sherylle A Olano SVP, CHIEF ACCOUNTING OFFICER | FTax withholding Common stock | -1,032 | $33.13 | $34k | 18,768 | Feb 24, 2026 |
| Feb 22, 2026 | Brogan Ptacin HEAD OF COMMERCIAL BANKING | FTax withholding Common stock | -1,338 | $33.13 | $44k | 24,302 | Feb 24, 2026 |
| Feb 22, 2026 | Thomas J Bell III EVP CHIEF FINANCIAL OFFICER | AGrant or award Common stock | +5,547 | $0.00 | $0 | 59,702 | Feb 24, 2026 |
| Feb 22, 2026 | John Barkidjija HEAD OF CRE & SPECIALTY FIN | AGrant or award Common stock | +2,234 | $0.00 | $0 | 24,590 | Feb 24, 2026 |
| Feb 22, 2026 | Dana Rose CHIEF HUMAN RESOURCES OFFICER | AGrant or award Common stock | +2,537 | $0.00 | $0 | 14,881 | Feb 24, 2026 |
| Feb 22, 2026 | Alberto J Paracchini PRESIDENT | AGrant or award Common stock | +8,029 | $0.00 | $0 | 197,019 | Feb 24, 2026 |
| Feb 22, 2026 | Megan Biggam EVP HEAD OF COMMUNITY BANKING | AGrant or award Common stock | +1,916 | $0.00 | $0 | 35,316 | Feb 24, 2026 |
| Feb 22, 2026 | Michelle Lynn Johnson CHIEF RISK OFFICER | AGrant or award Common stock | +2,065 | $0.00 | $0 | 11,695 | Feb 24, 2026 |
| Feb 22, 2026 | Nicolas Mando CHIEF TECHNOLOGY & OPERATIONS | AGrant or award Common stock | +1,704 | $0.00 | $0 | 16,229 | Feb 24, 2026 |
| Feb 22, 2026 | Mark Fucinato CHIEF CREDIT OFFICER | AGrant or award Common stock | +2,293 | $0.00 | $0 | 25,623 | Feb 24, 2026 |
| Feb 22, 2026 | Roberto R Herencia CHIEF EXECUTIVE OFFICER | AGrant or award Common stock | +29,870 | $0.00 | $0 | 441,291 | Feb 24, 2026 |
50 of 187 rows shown.
Insiders
Everyone who has filed a Form 4 here.
- Thomas AbrahamPRESIDENT, SBC
- Megan BiggamEVP HEAD OF COMMUNITY BANKING
- John BarkidjijaHEAD OF CRE & SPECIALTY FIN
- Thomas J Bell IIIEVP CHIEF FINANCIAL OFFICER
- Phillip R. Cabreradirector
- Perochena Antonio Del Valledirector, owner
- Brian F DoranGeneral Counsel
- Mark FucinatoCHIEF CREDIT OFFICER
- Roberto R HerenciaCHIEF EXECUTIVE OFFICER
- Mary Jo S. Hersethdirector
- Velez Margarita Huguesdirector
- Michelle Lynn JohnsonCHIEF RISK OFFICER
- Steven P. Kentdirector
- William G Kistnerdirector
- Mbg Investors I, L.p.owner
- Nicolas MandoCHIEF TECHNOLOGY & OPERATIONS
- Maria Sherylle A OlanoSVP, CHIEF ACCOUNTING OFFICER
- Alberto J ParacchiniPRESIDENT
- Brogan PtacinHEAD OF COMMERCIAL BANKING
- Dana RoseCHIEF HUMAN RESOURCES OFFICER
- Carlos Ruiz Sacristandirector
Questions about BY
Answered from the filings on this page, as of the latest one.
Are insiders buying BY?
As of Aug 20, 2026, SEC Form 4 filings show 2 open-market buys worth $15k by 2 insiders and 4 open-market sells worth $24M by 4 insiders at BYLINE BANCORP, INC. in the last 90 days, net -$24M. Only purchases (code P) and sales (code S) count; grants, option exercises and tax withholding do not.
Who was the last insider to trade BY on the open market?
William G Kistner (director) bought $3,830 of BY on Aug 19, 2026 and filed the Form 4 on Aug 20, 2026. InsiderTell scored 23 (weak), with 2 insiders on the same side within 14 days.
How many insiders file Form 4 at BYLINE BANCORP, INC.?
21 people have filed a Form 4 at BYLINE BANCORP, INC., among them Thomas Abraham (PRESIDENT, SBC), Megan Biggam (EVP HEAD OF COMMUNITY BANKING), John Barkidjija (HEAD OF CRE & SPECIALTY FIN). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.