Corey A. Chambas

Companies

• FIRST BUSINESS FINANCIAL SERVICES, INC.Board member Aug 17, 2011 to now¹
• FIRST BUSINESS FINANCIAL SERVICES, INC.President Aug 17, 2011 to Aug 18, 2022¹
• FIRST BUSINESS FINANCIAL SERVICES, INC.Chief executive officer Aug 17, 2011 to Nov 3, 2014¹

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• FBFIRST BUSINESS FINANCIAL SERVICES, INC. FBIZ139,782 shares²$9.8M at $70.17May 19, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• May 16, 2026Granted 710 shares of FIRST BUSINESS FINANCIAL SERVICES, INC.²
• Apr 10, 2026Shares withheld for tax 4,875 shares at $58.60 of FIRST BUSINESS FINANCIAL SERVICES, INC.³
• Apr 10, 2026Granted 10,370 shares of FIRST BUSINESS FINANCIAL SERVICES, INC.³
• Feb 16, 2026Shares withheld for tax 1,531 shares at $58.36 of FIRST BUSINESS FINANCIAL SERVICES, INC.⁴
• Nov 12, 2025Gift 200 shares of FIRST BUSINESS FINANCIAL SERVICES, INC.⁵
• Nov 12, 2025Gift 200 shares of FIRST BUSINESS FINANCIAL SERVICES, INC.⁵
• Apr 11, 2025Shares withheld for tax 4,814 shares at $45.04 of FIRST BUSINESS FINANCIAL SERVICES, INC.⁶
• Apr 11, 2025Granted 10,240 shares of FIRST BUSINESS FINANCIAL SERVICES, INC.⁶
• Feb 16, 2025Shares withheld for tax 1,740 shares at $52.76 of FIRST BUSINESS FINANCIAL SERVICES, INC.⁷
• Feb 16, 2025Granted 2,080 shares of FIRST BUSINESS FINANCIAL SERVICES, INC.⁷
• Nov 7, 2024Sold 40,000 shares at $48.81 of FIRST BUSINESS FINANCIAL SERVICES, INC.⁸
• Apr 19, 2024Shares withheld for tax 7,055 shares at $34.30 of FIRST BUSINESS FINANCIAL SERVICES, INC.⁹
• Apr 19, 2024Granted 15,010 shares of FIRST BUSINESS FINANCIAL SERVICES, INC.⁹
• Feb 16, 2024Shares withheld for tax 1,989 shares at $36.06 of FIRST BUSINESS FINANCIAL SERVICES, INC.¹⁰
• Feb 16, 2024Granted 3,515 shares of FIRST BUSINESS FINANCIAL SERVICES, INC.¹⁰
• Jan 5, 2024Gift 128 shares of FIRST BUSINESS FINANCIAL SERVICES, INC.¹¹
• Apr 17, 2023Shares withheld for tax 4,525 shares at $29.13 of FIRST BUSINESS FINANCIAL SERVICES, INC.¹²
• Apr 17, 2023Granted 11,400 shares at $29.13 of FIRST BUSINESS FINANCIAL SERVICES, INC.¹²
• Feb 16, 2023Shares withheld for tax 1,372 shares at $36.42 of FIRST BUSINESS FINANCIAL SERVICES, INC.¹³
• Feb 16, 2023Granted 3,460 shares of FIRST BUSINESS FINANCIAL SERVICES, INC.¹³
• Aug 16, 2022Shares withheld for tax 482 shares at $36.41 of FIRST BUSINESS FINANCIAL SERVICES, INC.¹⁴
• Apr 18, 2022Shares withheld for tax 4,781 shares at $33.00 of FIRST BUSINESS FINANCIAL SERVICES, INC.¹⁵
• Apr 18, 2022Granted 13,340 shares at $33.00 of FIRST BUSINESS FINANCIAL SERVICES, INC.¹⁵
• Feb 16, 2022Shares withheld for tax 1,477 shares at $33.60 of FIRST BUSINESS FINANCIAL SERVICES, INC.¹⁶
• Feb 16, 2022Granted 3,410 shares of FIRST BUSINESS FINANCIAL SERVICES, INC.¹⁶