FIRST BUSINESS FINANCIAL SERVICES, INC.

SEC insider activity covers quarterly filings through June 30, 2026. Later filings are not included. Reported roles do not establish current employment or current holdings. SEC filing documents, sections and filing-text search cover filings dated January 1, 2000 onward. Earlier filings are deferred until after launch.

FBIZ

organization

Jurisdiction: US-WILegal Form: 6S32

ACTIVE

LEI: 549300BXKLW2T50TKU95SIC: 6022

Also known as: FIRST BUSINESS FINANCIAL SERVICES, INC.

Financial Summary

SEC Insider

$24.7M

884 transactions

Summary

FIRST BUSINESS FINANCIAL SERVICES, INC. (FBIZ) is an organization. It has 2 known subsidiaries.

Recent Insider Transactions

As filed, including amendments; not net cash flow or current holdings. Joint reports count once. Totals cover known values only.

Buys: $2.5MSales: $8.7M39 insiders

Date	Insider	Type	Value
2026-04-10	CHAMBAS COREY A(CEO)	F	$286K
2026-04-10	Garcia Laura M.(Chief Risk Officer)	F	$65K
2026-04-10	Hartlieb James Edward(Pres&CEO First Business Bank)	F	$61K
2026-04-10	Chandler Jodi A(Chief Human Resources Officer)	F	$49K
2026-05-16	Garcia Laura M.(Chief Risk Officer)	F	$10K
2026-05-16	Crampton Kevin D(Chief Accounting Officer)	F	$3K
2026-05-16	Seiler David R.(President and CEO)	A	$0
2026-05-16	Benson Laurie S.	A	$0
2026-05-16	CHAMBAS COREY A	A	$0
2026-05-16	CHAVARRIA CARLA C	A	$0
2026-05-16	Graham Jason R	A	$0
2026-05-16	Kilcoyne Gerald L	A	$0
2026-05-16	Lorenz William Kent	A	$0
2026-05-16	Olszewski Daniel P.	A	$0
2026-04-10	CHAMBAS COREY A(CEO)	A	$0
2026-04-10	Chandler Jodi A(Chief Human Resources Officer)	A	$0
2026-04-10	Garcia Laura M.(Chief Risk Officer)	A	$0
2026-04-10	Hartlieb James Edward(Pres&CEO First Business Bank)	A	$0
2026-04-10	Hartlieb James Edward(Pres&CEO First Business Bank)	G	—
2026-04-10	Ovokaitys Daniel(Chief Information Officer)	A	$0

Legal entity: GLEIF

SEC filings: SEC EDGAR

Activity data: SEC EDGAR

FIRST BUSINESS FINANCIAL SERVICES, INC. — Contributions, Lobbying & Contracts | Poliscope