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BY insider trading

BYLINE BANCORP, INC. — open-market insider buys and $1M+ sells from SEC Forms 3, 4 and 5.
Insider buys · 24 mo
17
Bought · 24 mo
$1.4M
Buys · last 90 days
2 · $15k
Most recent buy
2026-08-20

Cluster buy detected

6 insiders bought BY within a short window (2025-06-11→2025-06-13), $1.3M in total — cluster score 86/100. Members see the buyers, the score breakdown and the chart.

See the cluster

Recent insider filings

FiledInsiderTypeSharesPriceValue
2026-08-20KISTNER WILLIAM G
Director
Bought100$38.30$4k
2026-08-20HERSETH MARY JO S.
Director
Bought300$38.40$12k
2026-08-11DEL VALLE PEROCHENA ANTONIO
Director · 10% owner
Sold300,000$39.10$11.7M
2026-08-11MBG INVESTORS I, L.P.
10% owner
Sold300,000$39.10$11.7M
2026-05-04KISTNER WILLIAM G
Director
Bought100$31.97$3k
2026-03-16HERSETH MARY JO S.cluster
Director
Bought300$30.83$9k
2026-02-17Doran Brian Fcluster
General Counsel
Bought750$33.13$25k
2026-01-29CABRERA PHILLIP R.cluster
Director
Bought169$31.03$5k
2025-10-28KISTNER WILLIAM G
Director
Bought65$27.56$2k
2025-08-11KISTNER WILLIAM G
Director
Bought60$25.71$2k
2025-06-13HERENCIA ROBERTO Rcluster
CHIEF EXECUTIVE OFFICER
Bought4,040$24.75$100k
2025-06-13DEL VALLE PEROCHENA ANTONIOcluster
Director · 10% owner
Bought40,808$24.75$1.0M
2025-06-13KENT STEVEN P.cluster
Director
Bought4,125$24.75$102k
2025-06-13HERSETH MARY JO S.cluster
Director
Bought2,000$25.33$51k
2025-06-13KISTNER WILLIAM Gcluster
Director
Bought164$25.29$4k
2025-06-12CABRERA PHILLIP R.cluster
Director
Bought2,360$24.75$58k
2025-03-07HERSETH MARY JO S.
Director
Bought268$27.16$7k
2025-03-06KISTNER WILLIAM G
Director
Bought65$27.77$2k
2024-11-21KISTNER WILLIAM G
Director
Bought50$30.56$2k

Most active insider buyers

InsiderRoleBuysTotal bought
DEL VALLE PEROCHENA ANTONIODirector · 10% owner1$1.0M
KENT STEVEN P.Director1$102k
HERENCIA ROBERTO RCHIEF EXECUTIVE OFFICER1$100k
HERSETH MARY JO S.Director4$79k
CABRERA PHILLIP R.Director2$64k
Doran Brian FGeneral Counsel1$25k

See BY on the chart

Every insider buy and sell for BY plotted on the price, the full two-year history, cluster scores and daily updates — in the members area, $29/month. A free quarterly sample of the whole dataset needs no account.

Open the browserFree sample
Data from the SEC EDGAR ownership filings, refreshed daily. Only open-market purchases (transaction code P) and sales of $1M or more are shown; grants, option exercises and tax withholding are excluded because they run on schedules set years earlier. Not investment advice.