First Business Financial Services, Inc. (FBIZ) Insider Ownership

Historic Insider Ownership Trends

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Corey A Chambas Ceo 116,585 0 18 Feb, 2026
Gerald L Kilcoyne - 65,981 0 20 May, 2025
Mark J Meloy Evp 54,981 0 15 Apr, 2025
David R. Seiler President And Coo 34,504 0 18 Feb, 2026
James Edward Hartlieb Presceo First Business Bank 30,073 0 18 Feb, 2026
Ralph R. Kauten - 29,756 0 01 Aug, 2025
Barbara Mccarty Conley General Counsel 28,364 0 19 Apr, 2023
Daniel P. Olszewski - 26,695 0 20 May, 2025
Jodi A Chandler Chief Human Resources Officer 21,979 0 18 Feb, 2026
Edward G Jr Sloane Chief Financial Officer 19,012 0 20 Feb, 2023
Bradley A Quade Chief Credit Officer 14,938 0 18 Feb, 2026
John J Harris - 13,925 0 20 May, 2024
Daniel Ovokaitys Chief Information Officer 9,381 0 18 Feb, 2026
William Kent Lorenz - 8,961 0 20 May, 2025
Laurie S. Benson - 7,971 0 20 May, 2025
Carla C Chavarria - 7,736 0 20 May, 2025
Brian D. Spielmann Cfo 5,622 0 18 Feb, 2026
Laura M. Garcia Chief Risk Officer 3,450 0 18 Feb, 2026
Niamh M. Kristufek President Specialty Finance 3,336 0 18 Feb, 2026
Jason R Graham - 3,220 0 01 Aug, 2025
Carol P Sanders - 2,925 0 17 Dec, 2024
Kevin D Crampton Chief Accounting Officer 2,401 0 18 Feb, 2026
Mark D Bugher - 2,270 0 18 May, 2023

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
16 Feb, 2026 Brian D. Spielmann Common Stock A 875 $0.00 6,225 D A
16 Feb, 2026 James Edward Hartlieb Common Stock A 715 $0.00 30,465 D A
16 Feb, 2026 Laura M. Garcia Common Stock A 605 $0.00 3,848 D A
16 Feb, 2026 Corey A Chambas Common Stock D 1,531 $58.36 116,585 D F
16 Feb, 2026 Bradley A Quade Common Stock A 735 $0.00 15,358 D A
16 Feb, 2026 David R. Seiler Common Stock A 1,655 $0.00 35,169 D A
16 Feb, 2026 Kevin D Crampton Common Stock A 610 $0.00 2,502 D A
16 Feb, 2026 Jodi A Chandler Common Stock A 550 $0.00 22,292 D A
16 Feb, 2026 Niamh M. Kristufek Common Stock A 660 $0.00 3,590 D A
16 Feb, 2026 Daniel Ovokaitys Common Stock A 595 $0.00 9,787 D A
16 Feb, 2026 Laura M. Garcia Common Stock D 398 $58.36 3,450 D F
16 Feb, 2026 Bradley A Quade Common Stock D 420 $58.36 14,938 D F
16 Feb, 2026 Niamh M. Kristufek Common Stock D 254 $58.36 3,336 D F
16 Feb, 2026 David R. Seiler Common Stock D 665 $58.36 34,504 D F
16 Feb, 2026 Daniel Ovokaitys Common Stock D 406 $58.36 9,381 D F
16 Feb, 2026 Brian D. Spielmann Common Stock D 603 $58.36 5,622 D F
16 Feb, 2026 Jodi A Chandler Common Stock D 313 $58.36 21,979 D F
16 Feb, 2026 Kevin D Crampton Common Stock D 101 $58.36 2,401 D F
16 Feb, 2026 James Edward Hartlieb Common Stock D 392 $58.36 30,073 D F
12 Nov, 2025 Corey A Chambas Common Stock D 200 - 118,316 D G