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BY · Byline Bancorp, Inc.
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BY Byline Bancorp (BY) Insider Trading, Ownership & Congress Trades

Banks · State commercial banks · CIK 0001702750
Quote by TradingView
Cluster · 3 insidersForm 144 · 3
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
113
13F, latest reported quarter

What the filings say about BY

Insiders, 180 days
-$24.3M net sold
3 buyers · 4 sellers · 0% of sales under a 10b5-1 plan
Planned sales (Form 144), 90 days
$1.3M
3 notices

Byline Bancorp insider trades (Form 4)

Form 4 buys and sells (codes P and S). Grants, option exercises and conversions excluded.

Over the last 180 days, BYLINE BANCORP, INC. insiders sold a net $24.3M of stock across 131 Form 4 purchases and sales, with 3 insiders buying. Source: SEC Form 4 filings, as of 2026-10-29.

Insider
Filed
Shares
Value
Since filing
Stewart Pamela C
Director
BUY
2026-10-26 SEC
1,160
$44.8K
-0.0%
Context
  • 1 earlier Form 4 trade (code P or S) here by this insider (1 buy), the last on Aug 7, 2024.
  • The trade is 15.5% of the 7,496 shares held after it.
  • No other insider bought within 30 days.
  • 113 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Stewart Pamela C bought about $44.8K of BY on Oct 26, 2026, the largest insider purchase at the company since 2025; 113 funds added in the latest 13F quarter.
HERSETH MARY JO S.
Director
BUY
2026-08-20 SECtraded 2026-08-19
300
$11.5K
+1.1%
Context
  • 11 earlier Form 4 trades (code P or S) here by this insider (11 buys), the last on Mar 16, 2026.
  • +6.9% median (+4.2% mean) 90-day return after 11 previous buys.
  • The trade is 1.6% of the 19,100 shares held after it.
  • 1 other insider bought within 30 days.
  • 113 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director HERSETH MARY JO S. bought about $11.5K of BY on Aug 19, 2026; 1 other insider bought within 30 days and 113 funds added in the latest 13F quarter.
KISTNER WILLIAM G
Director
BUY
2026-08-20 SECtraded 2026-08-19
100
$3.8K
+1.1%
Context
  • 14 earlier Form 4 trades (code P or S) here by this insider (14 buys), the last on May 4, 2026.
  • +6.1% median (+7.0% mean) 90-day return after 14 previous buys.
  • The trade is 0.7% of the 14,289 shares held after it.
  • 1 other insider bought within 30 days.
  • 113 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director KISTNER WILLIAM G bought about $3.8K of BY on Aug 19, 2026; 1 other insider bought within 30 days and 113 funds added in the latest 13F quarter.
HERENCIA ROBERTO R
CHIEF EXECUTIVE OFFICER
SELL
2026-08-14 SECtraded 2026-08-13
19,750
$774.3K
-1.2%
Context
  • 2 earlier Form 4 trades (code P or S) here by this insider (1 buy, 1 sale), the last on Jun 11, 2025.
  • The trade is 4.8% of the 411,643 shares held after it.
  • 3 other insiders sold within 30 days.
  • 113 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: CHIEF EXECUTIVE OFFICER HERENCIA ROBERTO R sold about $774.3K of BY on Aug 13, 2026; 3 other insiders sold within 30 days and 113 funds added in the latest 13F quarter.
Rose Dana
CHIEF HUMAN RESOURCES OFFICER
SELL
2026-08-12 SEC
2,421
$94.4K
-1.5%
Context
  • 3 earlier Form 4 trades (code P or S) here by this insider (3 sales), the last on Sep 12, 2025.
  • The trade is 20.9% of the 11,605 shares held after it.
  • 3 other insiders sold within 30 days.
  • 113 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: CHIEF HUMAN RESOURCES OFFICER Rose Dana sold about $94.4K of BY on Aug 12, 2026; 3 other insiders sold within 30 days and 113 funds added in the latest 13F quarter.
131 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
See all insider buying · insider selling
Showing the latest few. to see 126 more transactions and use the screener and CSV export. We store only your email; there is no password.
Seven facts, ranked against the sector · Rank is not a forecast
Insiders
net -$24.3M over 180 days
-$24.3M over 90 days · -$23.5M of it by a 10%+ holder
the lowest in Banks
Congress
no House purchase disclosed in the last 12 months
Funds
113 funds bought in last quarter
more than 62% of Banks
Revenue
no revenue reported in any filing
Margin
no margin: no revenue reported
Buybacks
$18.9M repurchased, FY to 2026-06-30
more than 63% of Banks
Short interest
4.3% of the float short (float per yahoo 2026-10-27) · 5.8 days to cover · settled 2026-10-15
more than 55% of Banks
What changed in the last 30 days
Oct 26Director Stewart Pamela C bought $44.8K (Oct 26)

Watch BY

A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.

The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
+39.4%12M
-6%+11%+27%+43%2025-102025-122026-022026-042026-062026-082026-10 2026-08-07 · DEL VALLE PEROCHENA ANTONIO sold $11.7M2026-08-07 · MBG INVESTORS I, L.P. sold $11.7M2026-08-13 · HERENCIA ROBERTO R sold $774.3K2025-10-28 · ABRAHAM THOMAS sold $537.4K2026-02-26 · Barkidjija John sold $145.8K2026-08-12 · Rose Dana sold $94.4K2025-10-28 · ABRAHAM THOMAS sold $91.7K2026-10-26 · Stewart Pamela C bought $44.8K2026-02-17 · Doran Brian F bought $24.8K2026-08-19 · HERSETH MARY JO S. bought $11.5K2026-03-16 · HERSETH MARY JO S. bought $9.2K2026-01-28 · CABRERA PHILLIP R. bought $5.2K2026-08-19 · KISTNER WILLIAM G bought $3.8K2026-05-04 · KISTNER WILLIAM G bought $3.2K2025-10-28 · KISTNER WILLIAM G bought $1.8K2026-08-13 · Roberto Herencia filed to sell $785.0K2026-08-12 · DanaRose filed to sell $95.1K2026-08-03 · Brogan Ptacin filed to sell $374.6K
Insider buyInsider sellForm 144 (planned sale)
Indexed to 100, dividend-adjusted, not a price chart. When a name files heavily, the largest trades are drawn first.

Who owns BY: institutional holders (13F)

13F holdings, latest reported quarter
BlackRock, Inc.
3,510,896 sh
$132.2M
DIMENSIONAL FUND ADVISORS LP
2,424,824 sh
$91.3M
GFS Advisors, LLC
55 sh
$76.8M
VANGUARD CAPITAL MANAGEMENT LLC
1,191,625 sh
$44.9M
STATE STREET CORP
1,089,293 sh
$41.0M

Congress trades in BY

No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.

Activist and 5% holders (13D/13G)

No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.

BY planned insider sales (Form 144)

Notice of intent to sell, filed before any sale
Roberto Herencia
Filed 2026-08-13
$785.0K
DanaRose
Filed 2026-08-12
$95.1K
Brogan Ptacin
Filed 2026-08-03
$374.6K

BY mutual fund holders (N-PORT)

Funds ranked by the share of their own portfolio in this stock (N-PORT).
RMB Mendon Financial Services Fund
$4.7M position · as of 2026-06-30
1.8%
Federated Hermes MDT Small Cap Value Fund f/k/a Federated Hermes Clover Small Value Fund
$2.5M position · as of 2026-06-30
1.5%
Federated Hermes MDT Small Cap Core Fund
$26.8M position · as of 2026-07-31
1.2%
Small-Cap Value Fund
$3.1M position · as of 2026-06-30
0.9%
Federated Hermes MDT Small Cap Core ETF
$2.2M position · as of 2026-05-31
0.8%
Boston Partners Small Cap Value Fund II
$5.8M position · as of 2026-05-31
0.7%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M · % is the share of the fund's own portfolio
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
3 insiders reported buying shares.
The record shows a net $24.3M sold by insiders over 180 days, 113 funds added last quarter, $1.3M in planned Form 144 sales. Each figure is a federal filing, dated the day it went public.
Backtest this pattern Open the screener
Same sector, ranked by filing activity
Sector by SEC SIC code
UMBFBWFGPBPEBOFMBMGABCNEWTDCOMPCBISBAWSBFJMSB

BY financials

Ratios from the company's XBRL filings, latest filings
Revenue, TTM
n/a
fewer than four consecutive quarters of revenue filed
Net margin, TTM
n/a
needs four consecutive quarters of both revenue and net income
Free cash flow, TTM
$162.3M
operating cash flow minus capex, 2025-07-01 to 2026-06-30
Debt to equity
0.00x
current debt only, 2025-12-31 (6 months older than the period end); equity 2026-06-30
Cash flow to debt
n/a
no debt to cover
Return on equity
+12.0%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on assets
+1.5%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on invested capital
n/a
fewer than four consecutive quarters of operating income
Return on capital employed
n/a
fewer than four consecutive quarters of operating income
P/E, trailing
11.65x
close 2026-10-28 over four quarters of diluted EPS, 2025-07-01 to 2026-06-30
Enterprise value
$1.6B
market value at close 2026-10-28 on 2026-08-03 shares, plus current debt only, 2025-12-31 (6 months older than the period end), minus cash 2026-06-30
FCF yield
+9.3%
TTM free cash flow over market value at close 2026-10-28
PEG, trailing
0.48x
P/E over trailing EPS growth of 24%: four quarters to 2026-06-30 against the four to 2025-06-30
Price as of 2026-10-28. Hover or tap a tile for its yearly and quarterly history.
Method
TTM is four consecutive fiscal quarters; Q4 is the year minus nine months when not filed. Returns use the average of opening and closing balances. EBIT is approximated by operating income. PEG uses trailing EPS growth.
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
2025-122024-122023-122022-12
Net income$130.1M$120.8M$107.9M$88.0M
EPS (diluted)2.892.752.672.34
Operating cash flow$140.3M$175.2M$166.1M$220.3M
Cash$149.1M$563.1M$226.1M$179.4M
Buybacks$23.7M$0$0$17.3M
Dividends paid$18.2M$15.8M$14.6M$13.4M
SEC XBRL, fiscal years, as known on 2026-10-29

BY Stock Sonar score 5/7 axes

Find similar shapesCompare

BY ranks highest on financial health (99th percentile) and profitability (76th), and lowest on risk and compliance (35th), among Banks peers.

ProfitHealthInsidersInstitutionsRisk
Profitability
76
Inputs
  • Return on equity+12.0% · 67 pct, sector of 327
  • Return on assets+1.5% · 85 pct, sector of 334
  • Return on invested capitalfewer than four consecutive quarters of operating income
  • Return on capital employedfewer than four consecutive quarters of operating income
Financial health
100
Inputs
  • Debt to equity0.00x · 100 pct, sector of 229
  • Cash flow to debtno debt to cover
Insider conviction
40
Inputs
  • Net Form 4 buying (codes P and S), 180d-$24.3M · 0 pct, sector of 273
  • Insider buyers, 180d3 · 79 pct, sector of 273
Institutional and government
62
Inputs
  • Funds adding, latest quarter113 · 62 pct, sector of 257
  • Congress net buyers, 365dno Congress trades in 365 days
  • Federal contracts, 180dno federal contracts in 180 days
  • Lobbying spend, 4 quartersno lobbying filings in the last four quarters
Risk and compliance
35
Inputs
  • Short interest, % of float+4.3% · 35 pct, sector of 374
  • Recalls per $1B revenue, 3yrevenue under $50M or not filed, so a count cannot be scaled to size
  • EPA cases per $1B revenue, 5yrevenue under $50M or not filed, so a count cannot be scaled to size
  • New text in Risk Factors, latest 10-Kneeds two 10-Ks with a Risk Factors section (not 20-F filers or stubs)
2 not measured: Growth, US patents
  • Growth needs 1 of 2 inputs, 0 present: no backlog line filed, or no year-earlier backlog; no revenue for this year and the year before
  • US patents needs 1 of 2 inputs, 0 present: patent data not loaded yet

5 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored

BY filings, in plain words

Are Byline Bancorp insiders buying or selling BY?

In the 180 days to 2026-10-29, Byline Bancorp insiders were net sellers, a net $24.3M: $63.3K of purchases and $24.3M of sales reported on Form 4, by 3 buyers and 4 sellers.

Are there planned insider sales of BY?

Yes. 3 Form 144 notices of planned insider sales were filed in the 90 days to 2026-10-29, covering $1.3M of stock; the latest, by Roberto Herencia, was filed 2026-08-13.

Read the full summary

In the 180 days to 2026-10-29, Byline Bancorp insiders were net sellers of BY, a net $24.3M across purchases and sales reported on Form 4 by 3 buyers and 4 sellers. Most of that figure, $23.5M, came from a holder of 10% or more rather than an officer or director. Sales outweighed purchases more than tenfold by value. 3 different insiders reported purchases within the last 90 days, a cluster buy, which is rarer than a single purchase. None of the 4 insider sales was flagged as made under a Rule 10b5-1 plan. Insiders filed 3 Form 144 notices of intent to sell in the 90 days to 2026-10-29, covering $1.3M of stock. Each figure is counted from SEC and House filings as of 2026-10-29, dated the day the filing was made public.

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