First Business Financial Services, Inc. FBIZ NASDAQ

NASDAQ Global Select • Financial Services • Banks - Regional • US • USD

SharesGrow Score

70/100

5/7 Pass

SharesGrow Intrinsic Value

First Business Financial Services, Inc. (FBIZ) has 20 known insider and institutional holders on record. The largest holder is CHAMBAS COREY A with 116,585 shares. Other notable holders include Kilcoyne Gerald L and MELOY MARK J.

Over the last 12 months, insiders have made 33 transactions in FBIZ stock — 10 buys (valued at $529.51K) and 0 sells (valued at RSU Award). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.

FBIZ Insider Ownership

Top Holder

CHAMBAS COREY A

116,585 shares

Buys (12 mo)

$529.51K value

Sells (12 mo)

$0.00 value

12-Month Transaction Activity

Buy 30%

Sell 0%

Top Insider Holders

#	Name	Role	Shares Owned	Last Filed	Relative Size
1	Chambas Corey A	CEO	116,585	2026-02-18	100%
2	Kilcoyne Gerald L	Director	65,981	2025-05-20	57%
3	Meloy Mark J	EVP	54,981	2025-04-15	47%
4	Silseth John M	Director	35,000	2015-02-10	30%
5	Seiler David R.	President and COO	34,504	2026-02-18	30%
6	Smith Jerome J	Director	33,991	2018-08-01	29%
7	Losenegger Michael J	Chief Credit Officer	31,172	2020-02-19	27%
8	Hartlieb James Edward	Pres&ceo First Business Bank	30,073	2026-02-18	26%
9	Kauten Ralph R.	Director	29,756	2025-08-01	26%
10	Conley Barbara Mccarty	General Counsel	28,364	2023-04-19	24%
11	Olszewski Daniel P.	Director	26,695	2025-05-20	23%
12	Batson Charles H	President and CEO of Fbcc*	24,079	2018-05-10	21%
13	Vetta David J	PR/ceo First Bus. Bank Milw.	22,088	2017-02-02	19%
14	Chandler Jodi A	Chief Human Resources Officer	21,979	2026-02-18	19%
15	Berneking Pamela R.	Pres. and CEO Alterra Bank	21,694	2015-09-01	19%
16	Sloane Edward G Jr	Chief Financial Officer	19,012	2023-02-21	16%
17	Eddy Jan A	Director	17,831	2021-05-18	15%
18	Quade Bradley A	Chief Credit Officer	14,938	2026-02-18	13%
19	Harris John J	Director	13,925	2024-05-20	12%
20	Voeks Dean W	Director	11,429	2018-05-07	10%

Recent Transactions (last 12 months)

Date	Name	Role	Type	Shares	Price	Value
2026-02-16	Kristufek Niamh M.	President - Specialty Finance	Tax Withholding of RSU	254	$58.36	$14.82K
2026-02-16	Crampton Kevin D	Chief Accounting Officer	Tax Withholding of RSU	101	$58.36	$5.89K
2026-02-16	Garcia Laura M.	Chief Risk Officer	Tax Withholding of RSU	398	$58.36	$23.23K
2026-02-16	Hartlieb James Edward	Pres&ceo First Business Bank	Tax Withholding of RSU	392	$58.36	$22.88K
2026-02-16	Spielmann Brian D.	CFO	Tax Withholding of RSU	603	$58.36	$35.19K
2026-02-16	Quade Bradley A	Chief Credit Officer	Tax Withholding of RSU	420	$58.36	$24.51K
2026-02-16	Seiler David R.	President and COO	Tax Withholding of RSU	665	$58.36	$38.81K
2026-02-16	Ovokaitys Daniel	Chief Information Officer	Tax Withholding of RSU	406	$58.36	$23.69K
2026-02-16	Chandler Jodi A	Chief Human Resources Officer	Tax Withholding of RSU	313	$58.36	$18.27K
2026-02-16	Chambas Corey A	CEO	Tax Withholding of RSU	1,531	$58.36	$89.35K
2026-01-30	Kristufek Niamh M.	President - Specialty Finance	Unknown	-	-	-
2025-11-12	Chambas Corey A	CEO	Gift (Given)	200	-	-
2025-11-07	Crampton Kevin D	Chief Accounting Officer	Informative Buy	71	$51.40	$3.65K
2025-08-16	Hartlieb James Edward	Pres&ceo First Business Bank	Tax Withholding of RSU	104	$49.54	$5.15K
2025-07-30	Kauten Ralph R.	Director	Informative Buy	10,000	$47.80	$478K
2025-07-30	Graham Jason R	Director	Informative Buy	1,000	$47.87	$47.87K
2025-05-16	Crampton Kevin D	Chief Accounting Officer	Tax Withholding of RSU	56	$49.38	$2.77K
2025-05-16	Garcia Laura M.	Chief Risk Officer	Tax Withholding of RSU	194	$49.38	$9.58K
2025-05-16	Kauten Ralph R.	Director	RSU Award	620	-	-
2025-05-16	Benson Laurie S.	Director	RSU Award	620	-	-
2025-05-16	Olszewski Daniel P.	Director	RSU Award	620	-	-
2025-05-16	Lorenz William Kent	Director	RSU Award	620	-	-
2025-05-16	Chavarria Carla C	Director	RSU Award	620	-	-
2025-05-16	Graham Jason R	Director	RSU Award	620	-	-
2025-05-16	Kilcoyne Gerald L	Director	RSU Award	620	-	-