MBG Investors I, L.P.

MBG Investors I, L.P. is a declared insider of Byline Bancorp, Inc., with filings sourced from SEC (Form 4). We count 18 filings; the first trade dates from 5 December 2022 and the latest from 7 August 2026.

Market trades split into 17 purchases (€6.9M) and 1 sale (€10.2M). Taken together, the sales exceed the purchases by €3.3M. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket. 2026 to date brings no purchases and 1 sale.

Half of the purchases are above €216k and half below. Of 17 purchases, 17 formed part of a group of insiders buying within 30 days of each other. Such overlaps are known as a cluster signal: distinct people reaching the same decision at about the same time. After 12 purchases with a full 90-day history, the hit rate stands at 42% and the median 90-day move at -1.2%. This is a record of the past, not a forecast.

Most recently, on 11 August 2026, the filings show an open-market sale worth €10.2M in Byline Bancorp, Inc. The clock since the last published purchase (4 March 2024) now reads 964 days. The median gap between a trade and its publication by SEC (Form 4) is 2 days. For comparison, the SEC allows two business days to file a Form 4. These figures are compiled from regulatory filings published by SEC (Form 4). They describe what insiders did and are not a recommendation.