BYLINE BANCORP (BY) stock: insider trades, news & valuation
Financials · Net sellingShare price and insider trades
BYLINE BANCORP insider trading at a glance (Oct 9, 2026): in the past 12 months, 2 insiders bought $36K and 6 sold $25.1M of BY stock on the open market; P/E 10.9 vs. a sector median of 12.2.
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BY insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | — | 0 | — | 0 |
| Q3 2026 | $15K | 2 | $24.3M | 4 |
| Q2 2026 | $3K | 1 | — | 0 |
| Q1 2026 | $39K | 3 | $146K | 1 |
| Q4 2025 | $2K | 1 | $629K | 2 |
Valuation, profit and volume
Summary
Over the past 12 months, 2 BYLINE BANCORP, INC. insiders reported open-market purchases totaling $36K, while 6 insiders reported sales totaling $25.1M. 0 of 7 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.
BY stock news and SEC filings
Recent 8-K filings and headlines. Tone is scored from the headline wording; “Policy” marks regulatory, trade or government topics.
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Aug 20SEC | Mary Jo S. HersethDirector | Buy | 30019,100 held (+2%) | $38.40 | $12K | -5.4% | — |
| Aug 20SEC | William G KistnerDirector | Buy | 10014,289 held (+1%) | $38.30 | $4K | -5.2% | — |
| Aug 14SEC | Roberto R HerenciaCEO | Sell | 19,750411,643 held (−5%) | $39.21 | $774K | -7.4% | — |
| Aug 12SEC | Dana RoseChief Human Resources Officer | Sell | 2,42111,605 held (−17%) | $39.00 | $94K | -6.9% | — |
| Aug 11SEC | Investors I, L.p. Mbg10% Owner | Sell | 300,00011,535,145 held (−3%) | $39.10 | $11.7M | -7.1% | — |
| Aug 11SEC | Valle Perochena Antonio DelDirector | Sell | 300,00011,535,145 held (−3%) | $39.10 | $11.7M | -7.1% | — |
| May 4SEC | William G KistnerDirector | Buy | 10014,189 held (+1%) | $31.97 | $3K | +13.6% | — |
| Mar 16SEC | Mary Jo S. HersethDirector | Buy | 30018,800 held (+2%) | $30.83 | $9K | +17.8% | — |
| Mar 2SEC | John BarkidjijaHead Of Cre & Specialty Fin | Sell | 4,50919,243 held (−19%) | $32.33 | $146K | +12.3% | — |
| Feb 17SEC | Brian F DoranGeneral Counsel | Buy | 750new position | $33.13 | $25K | +9.6% | — |
| Jan 29SEC | Phillip R. CabreraDirector | Buy | 1694,129 held (+4%) | $31.03 | $5K | +17.0% | — |
| Oct 29SEC | Thomas AbrahamPresident | Sell | 20,00038,882 held (−34%) | $26.87 | $537K | +35.2% | — |
| Oct 29SEC | Thomas AbrahamPresident | Sell | 3,40058,882 held (−5%) | $26.98 | $92K | +34.6% | — |
| Oct 28SEC | William G KistnerDirector | Buy | 6514,089 held (+0%) | $27.56 | $2K | +31.8% | — |
Insiders at BYLINE BANCORP, INC.
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| Investors I, L.p. Mbg10% Owner | — | $11.7M | Aug 11, 2026 | — |
| Valle Perochena Antonio DelDirector | — | $11.7M | Aug 11, 2026 | — |
| Roberto R HerenciaCEO | — | $774K | Aug 14, 2026 | — |
| Thomas AbrahamPresident | — | $629K | Oct 29, 2025 | — |
| John BarkidjijaHead Of Cre & Specialty Fin | — | $146K | Mar 2, 2026 | — |
| Dana RoseChief Human Resources Officer | — | $94K | Aug 12, 2026 | — |
| Brian F DoranGeneral Counsel | $25K | — | Feb 17, 2026 | — |
| Mary Jo S. HersethDirector | $21K | — | Aug 20, 2026 | — |
| William G KistnerDirector | $9K | — | Aug 20, 2026 | — |
| Phillip R. CabreraDirector | $5K | — | Jan 29, 2026 | — |
Insider activity at other Financials companies
Same sector, ranked by insider buying in the last 90 days.
BY stock: common questions
Are BYLINE BANCORP, INC. insiders buying BY stock?
In the past 12 months, 2 insiders reported open-market purchases of BY worth $36K. The latest was Director Mary Jo S. Herseth bought $12K of BY at $38.40 — largest purchase by this insider in our records.
Are BYLINE BANCORP, INC. insiders selling BY stock?
6 insiders reported sales worth $25.1M over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.
What is BY's P/E ratio?
BY trades at about 10.9 times trailing earnings, compared with a median of 12.2 for the Financials sector.
What is BY's 52-week range?
Over the past year BY has traded between $25.35 and $39.75. It last closed at $36.32 on Oct 9, 2026.