Summary
Updated Aug 31, 2026
MBG INVESTORS I, L.P. is 10% Owner of BYLINE BANCORP, INC. (BY). 1 SEC Form 4 filing on record, dated 11 August 2026. Most recent open-market trade: sold $11.73M of BY on 11 August 2026. Lifetime open-market sales: $11.73M.
Recent Transactions
1Every recent SEC Form 4 transaction MBG INVESTORS I, L.P. has reported, most recent first.
Trading Pattern
InsiderAlpha's records for MBG INVESTORS I, L.P. go back to 2026: 1 primary Form 4 filing, an average of 1.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies MBG INVESTORS I, L.P. files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Valle Perochena Antonio del - $11.73M of BY open-market activity in the last 12 months
- Roberto R. Herencia - $774K of BY open-market activity in the last 12 months
- Thomas Abraham - $629K of BY open-market activity in the last 12 months
- Dana Rose - $152K of BY open-market activity in the last 12 months
- John Barkidjija - $146K of BY open-market activity in the last 12 months
- Brian F. Doran - $25K of BY open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
What is MBG INVESTORS I, L.P.?
MBG INVESTORS I, L.P. is an investment firm, tracked as 10% Owner of BYLINE BANCORP, INC. (BY). InsiderAlpha holds 1 primary Form 4 filing for it, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has MBG INVESTORS I, L.P. submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has MBG INVESTORS I, L.P. been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($11.73M) across all tracked filings.
Where can I see all of MBG INVESTORS I, L.P.'s SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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