CHAMBAS COREY A - Insider Non-Derivative Transactions at FIRST BUSINESS FINANCIAL SERVICES, INC. (FBIZ) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Nov 12, 2025, CHAMBAS COREY A's relationship to FIRST BUSINESS FINANCIAL SERVICES, INC. (FBIZ) is Director,Officer (CEO), and currently has 118,316 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other FBIZ insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

CHAMBAS COREY A - Insider Non-Derivative Transactions of FBIZ Common Stock

CHAMBAS COREY A - Insider Non-Derivative Transactions at FBIZ

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Nov 13, 2025	G -- (Common Stock)	200	0	118116
Nov 13, 2025	G -- (Common Stock)	200	0	118316
Apr 12, 2025	F -- (Common Stock)	4814	45.04	118516
Apr 12, 2025	Acquisition -- (Common Stock)	10240	0	123330
Feb 17, 2025	F -- (Common Stock)	1740	52.76	113090
Feb 17, 2025	Acquisition -- (Common Stock)	2080	0	114830
Nov 8, 2024	Sell -- (Common Stock)	40000	48.81	112750
Apr 20, 2024	F -- (Common Stock)	7055	34.3	152750
Apr 20, 2024	Acquisition -- (Common Stock)	15010	0	159805
Feb 17, 2024	F -- (Common Stock)	1989	36.06	144795
Feb 17, 2024	Acquisition -- (Common Stock)	3515	0	146784
Jan 6, 2024	G -- (Common Stock)	128	0	143269
Apr 18, 2023	F -- (Common Stock)	4525	29.13	143397
Apr 18, 2023	Acquisition -- (Common Stock)	11400	29.13	147922
Feb 17, 2023	F -- (Common Stock)	1372	36.42	136522
Feb 17, 2023	Acquisition -- (Common Stock)	3460	0	137894