BY
BYLINE BANCORP, INC. · Finance & Insurance · Market cap $1.7B
Insiders sold $24.3M net in the last 90 days ·4 sellers, 2 buyers· latest Form 4 filed Aug 20, 2026
Insider Buying
$60K
reported purchases (SEC code P)
Insider Selling
$25.1M
reported sales (SEC code S)
Unique Insiders
10
in the rolling window
Latest filing
Aug 20, 2026
KISTNER WILLIAM G
BYLINE BANCORP, INC. (BY) has 32 SEC Form 4 filings (67 transaction rows) in the rolling window, disclosed by 10 distinct insiders. Most recent filing: Aug 20, 2026.
Inside the rolling window, 10 insiders at BYLINE BANCORP, INC. reported 7 open-market purchases totaling $60K and 6 open-market sales totaling $25.1M. The most active filer is Director KISTNER WILLIAM G with 3 filings. Insiders have net sold $24.4M over the trailing 6 months. The most recent open-market filing is a purchase of 100 shares by Director KISTNER WILLIAM G, dated Aug 19, 2026, worth $4K.
- Industry:Banks - Regional
- CEO:Roberto R. Herencia
- Employees:1,018
- HQ:Chicago, IL, US
- IPO:2017-06-30
| Source | |||||||
|---|---|---|---|---|---|---|---|
KISTNER WILLIAM GFirst in 4 months | Director | Purchase | 100 | $4K | Aug 20 | -1.9% | SEC ↗ |
HERSETH MARY JO S.First in 5 months | Director | Purchase | 300 | $12K | Aug 20 | -1.9% | SEC ↗ |
HERENCIA ROBERTO RFirst in 6 months | CHIEF EXECUTIVE OFFICER | Sale | 19,750 | $774K | Aug 14 | -4.2% | SEC ↗ |
Rose DanaFirst filing | CHIEF HUMAN RESOURCES OFFICER | Sale | 2,421 | $94K | Aug 12 | -4.1% | SEC ↗ |
MBG INVESTORS I, L.P.First filing | 10% Owner | Sale | 300,000 | $11.7M | Aug 11 | -3.0% | SEC ↗ |
DEL VALLE PEROCHENA ANTONIOFirst filing | Director, 10% Owner | Sale | 300,000 | $11.7M | Aug 11 | -3.0% | SEC ↗ |
KISTNER WILLIAM GFirst in 6 months | Director | Purchase | 100 | $3K | May 4 | +17.4% | SEC ↗ |
HERSETH MARY JO S.First filing | Director | Purchase | 300 | $9K | Mar 16 | +23.1% | SEC ↗ |
Barkidjija JohnFirst filing | HEAD OF CRE & SPECIALTY FIN | Sale | 4,509 | $146K | Mar 2 | +18.6% | SEC ↗ |
Doran Brian FFirst filing | General Counsel | Purchase | 750 | $25K | Feb 17 | +13.4% | SEC ↗ |
CABRERA PHILLIP R.First filing | Director | Purchase | 169 | $5K | Jan 29 | — | SEC ↗ |
ABRAHAM THOMASFirst filing | PRESIDENT, SBC | Sale | 23,400 | $629K | Oct 29 | — | SEC ↗ |
KISTNER WILLIAM GFirst filing | Director | Purchase | 65 | $2K | Oct 28 | — | SEC ↗ |
Frequently asked questions
How many SEC Form 4 insider filings does BY have?
BYLINE BANCORP, INC. (BY) has 32 SEC Form 4 filings (67 transaction rows) in the rolling 365-day window, disclosed by 10 distinct insiders. Most recent filing: Aug 20, 2026.
When was the most recent SEC Form 4 filing for BY?
The most recent Form 4 filing for BY on Tracefour is dated Aug 20, 2026.
Who is the most active insider at BY?
The most active SEC Form 4 filer at BY in the rolling window is Director KISTNER WILLIAM G, with 3 filings.
What is the net insider flow at BY over the last 6 months?
Over the trailing 180 days, insiders at BY have net sold $24.4M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at BY in the current window?
Inside the rolling window, insiders at BY bought $60K and sold $25.1M based on SEC Form 4 filings.
Can I get alerts for BY insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at BYLINE BANCORP, INC. (BY). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
BYLINE BANCORP, INC. is in the Finance & Insurance sector.