BY

Byline Bancorp, Inc.

Company with tickers: BY

CIK

1702750

CUSIP

124411109

Shares Outstanding

45,409,259

13F Activity (30d)

67 filings 64 filers

Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.

1M 3M 6M 1Y 5Y All

Off-Exchange Volume History

Week Start	ATS Volume	Non-ATS OTC Volume	Total Off-Exchange	% of FINRA Weekly Volume
2026-03-16	184,498	159,664	344,162	29.6%
2026-03-23	92,855	77,636	170,491	27.9%
2026-03-30	117,820	54,252	172,072	37.0%
2026-04-06	161,572	193,403	354,975	44.5%
2026-04-13	169,396	158,029	327,425	52.2%
2026-04-20	209,387	187,183	396,570	72.3%
2026-04-27	266,146	828,662	1,094,808	57.2%
2026-05-04	287,494	556,168	843,662	74.6%

Showing 1–8 of 8 weeks