BlackRock Portfolio Management LLC - Mar 31, 2025 SCHEDULE 13G Report for FIRST BUSINESS FINANCIAL SERVICES, INC. Common Stock (FBIZ)

Filing Manager: BlackRock Portfolio Management LLC
Reporting Manager: BlackRock Portfolio Management LLC
Security: FIRST BUSINESS FINANCIAL SERVICES, INC. Common Stock
Symbol: FBIZ
Shares outstanding: 8.32M shares
Disclosed Ownership: 499K shares
Ownership: 6%
Form type: SCHEDULE 13G
Date filed: 4/15/2025, 05:04 PM
Date of event: Mar 31, 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
BlackRock Portfolio Management LLC	6%	499K	445K	0	Spencer Fleming	Managing Director