William G. Kistner

CIK: 0001739310

Transaction Breakdown

Open Market Buys (P)7 (100.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)0 (0.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

BYLINE BANCORP, INC.

Director

Discretionary Trading P&L

Holdings

Transaction History (7 total)

BY
BYLINE BANCORP, INC.
Aug 19, 2026
Purchase(P)
Indirect
100 shares at avg. $38.30$4K
BY
BYLINE BANCORP, INC.
May 4, 2026
Purchase(P)
Indirect
100 shares at avg. $31.97$3K
BY
BYLINE BANCORP, INC.
Oct 28, 2025
Purchase(P)
Indirect
65 shares at avg. $27.56$2K
BY
BYLINE BANCORP, INC.
Aug 8, 2025
Purchase(P)
Indirect
60 shares at avg. $25.70$2K
BY
BYLINE BANCORP, INC.
Jun 13, 2025
Purchase(P)
Indirect
164 shares at avg. $25.29$4K
BY
BYLINE BANCORP, INC.
Mar 4, 2025
Purchase(P)
Indirect
65 shares at avg. $27.77$2K
BY
BYLINE BANCORP, INC.
Nov 20, 2024
Purchase(P)
Indirect
50 shares at avg. $30.56$2K

		Type	Shares	Price		Ownership
Aug 19, 2026	BY BYLINE BANCORP, INC.	Purchase(P)	100	$38.30	$3,830	Indirect
May 4, 2026	BY BYLINE BANCORP, INC.	Purchase(P)	100	$31.97	$3,197	Indirect
Oct 28, 2025	BY BYLINE BANCORP, INC.	Purchase(P)	65	$27.56	$1,791	Indirect
Aug 8, 2025	BY BYLINE BANCORP, INC.	Purchase(P)	60	$25.70	$1,542	Indirect
Jun 13, 2025	BY BYLINE BANCORP, INC.	Purchase(P)	164	$25.29	$4,147	Indirect
Mar 4, 2025	BY BYLINE BANCORP, INC.	Purchase(P)	65	$27.77	$1,805	Indirect
Nov 20, 2024	BY BYLINE BANCORP, INC.	Purchase(P)	50	$30.56	$1,528	Indirect

1-7 of 7 transactions

About KISTNER WILLIAM G

KISTNER WILLIAM G (SEC CIK 0001739310) files insider reports with the SEC as Director of BYLINE BANCORP, INC. (BY).

Signal8 holds 7 ownership filings by KISTNER WILLIAM G, all Form 4s, filed between Nov 21, 2024 and Aug 20, 2026. Those filings report 7 transactions, from Nov 20, 2024 to Aug 19, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on KISTNER WILLIAM G's filings is in CHICAGO, IL.

Recent filings by KISTNER WILLIAM G

Aug 19, 2026: Open-market purchase of BY shares (Form 4, code P).
May 4, 2026: Open-market purchase of BY shares (Form 4, code P).
Oct 28, 2025: Open-market purchase of BY shares (Form 4, code P).
Aug 8, 2025: Open-market purchase of BY shares (Form 4, code P).
Jun 13, 2025: Open-market purchase of BY shares (Form 4, code P).

Other insiders filing for BYLINE BANCORP, INC. (BY)

Ptacin Brogan, HEAD OF COMMERCIAL BANKING
Stewart Pamela C, Director
HERSETH MARY JO S., Director
HERENCIA ROBERTO R, CHIEF EXECUTIVE OFFICER
Rose Dana, CHIEF HUMAN RESOURCES OFFICER
MBG INVESTORS I, L.P., 10% Owner

How to read Form 4 transaction codes