Byline Bancorp Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

DB:44F Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
04 May 26	Buy€2,733	William Kistner	Individual	100	€27.33
16 Mar 26	Buy€8,056	Mary Jo Herseth	Individual	300	€26.85
26 Feb 26	Sell€123,589	John Barkidjija	Individual	4,509	€27.41
17 Feb 26	Buy€21,008	Brian Doran	Individual	750	€28.01
28 Jan 26	Buy€4,395	Phillip Cabrera	Individual	169	€26.00
28 Oct 25	Buy€1,536	William Kistner	Individual	65	€23.63
28 Oct 25	Sell€539,556	Thomas Abraham	Individual	23,400	€23.13
12 Sep 25	Sell€49,057	Dana Rose	Individual	1,999	€24.54
08 Aug 25	Buy€1,322	William Kistner	Individual	60	€22.03

Insider Trading Volume

Insider Buying: 44F insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of 44F?
Owner Type	Number of Shares	Ownership Percentage
State or Government	0	0%
Private Companies	13,613	0.03%
General Public	6,860,618	15.1%
Individual Insiders	13,154,263	29%
Institutions	25,380,765	55.9%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 68.71% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
26.2%	Antonio Del Valle Perochena	11,875,953	€388.6m	0%	no data
7.26%	BlackRock, Inc.	3,294,923	€107.8m	0.42%	no data
5.21%	Dimensional Fund Advisors LP	2,366,600	€77.4m	1.57%	0.01%
2.77%	Vanguard Capital Management, LLC	1,258,599	€41.2m	0%	no data
2.27%	State Street Global Advisors, Inc.	1,031,062	€33.7m	3.41%	no data
2.25%	Wellington Management Group LLP	1,023,948	€33.5m	-14.2%	0.01%
2.02%	Boston Partners Global Investors, Inc.	918,449	€30.1m	30%	0.02%
1.99%	American Century Investment Management Inc	905,189	€29.6m	7.69%	0.01%
1.82%	FMR LLC	824,526	€27.0m	-13.7%	no data
1.74%	Geode Capital Management, LLC	788,033	€25.8m	3.13%	no data
1.49%	Aristotle Capital Boston, LLC	674,784	€22.1m	-15.8%	1.39%
1.45%	AQR Capital Management, LLC	657,375	€21.5m	32%	0.01%
1.4%	T. Rowe Price Group, Inc.	637,678	€20.9m	7.1%	no data
1.38%	Bridgeway Capital Management, LLC	626,050	€20.5m	0.9%	0.28%
1.38%	Federated Hermes, Inc.	624,421	€20.4m	8.85%	0.04%
1.37%	Ararat Capital Management, LP	623,772	€20.4m	-4.21%	12.04%
1.15%	Roberto Herencia	521,214	€17.1m	20.8%	no data
0.93%	Teachers Insurance and Annuity Association-College Retirement Equities Fund	420,650	€13.8m	-5.73%	no data
0.84%	JP Morgan Asset Management	380,063	€12.4m	-9.45%	no data
0.75%	Qube Research & Technologies Ltd	341,527	€11.2m	-1.01%	0.02%
0.74%	Vanguard Portfolio Management, LLC	335,839	€11.0m	0%	no data
0.63%	Millennium Management LLC	287,664	€9.4m	80.4%	0.01%
0.59%	Charles Schwab Investment Management, Inc.	268,447	€8.8m	-1.06%	no data
0.59%	Northern Trust Global Investments	266,412	€8.7m	2.84%	no data
0.54%	The Goldman Sachs Group, Inc.	247,389	€8.1m	7.25%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/07/06 06:51
End of Day Share Price	2026/07/06 00:00
Earnings	2026/03/31
Annual Earnings	2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Byline Bancorp, Inc. is covered by 8 analysts. 5 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Ebrahim Poonawala	BofA Global Research
Brendan Nosal	Hovde Group, LLC
Damon DelMonte	Keefe, Bruyette, & Woods