KISTNER WILLIAM G

SEC Form 4 insider trading activity

KISTNER WILLIAM G has filed 3 SEC Form 4 filings (3 transaction rows) across 1 company, with disclosures dating back to 2025. 3 of those filings fall inside the rolling window. Most recent filing: Aug 20, 2026.

On the most recent filing, KISTNER WILLIAM G is listed as Director at BYLINE BANCORP, INC. Inside the rolling window, KISTNER WILLIAM G reported 3 open-market purchases totaling $9K in BY and no open-market sales. The largest disclosed transaction in the window is a purchase of 100 BY shares on Aug 19, 2026, worth $4K.

Companies traded

Other insiders at BY

Insider Buying

$9K

reported purchases (SEC code P)

Insider Selling

$0

reported sales (SEC code S)

Companies

1

in the rolling window

Source
BYPurchase$4KAug 20SEC ↗
BYPurchase$3KMay 4SEC ↗
BYPurchase$2KOct 28SEC ↗
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Frequently asked questions

How many SEC Form 4 filings has KISTNER WILLIAM G made?

KISTNER WILLIAM G has filed 3 SEC Form 4 filings (3 transaction rows) across 1 company since 2025.

Which companies does KISTNER WILLIAM G trade?

KISTNER WILLIAM G has filed SEC Form 4 disclosures for 1 company, including BY.

When was KISTNER WILLIAM G's most recent SEC Form 4 filing?

KISTNER WILLIAM G's most recent SEC Form 4 filing on Tracefour is dated Aug 20, 2026.

What is KISTNER WILLIAM G's total buy and sell value in the current window?

Inside the rolling retention window, KISTNER WILLIAM G bought $9K and sold $0 based on SEC Form 4 filings.

What was KISTNER WILLIAM G's largest disclosed transaction?

The largest disclosed transaction in the current window is a purchase of 100 BY shares on 2026-08-19, worth $4K, per SEC Form 4 filings.