FBIZ

First Business Financial Services, INC.

Insider trading activity for First Business Financial Services, INC., straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

-$47.4K

net selling

Bought(0 · 0 insiders): $0
Sold(1 · 1 insiders): $47.4K

Past 6 months

-$47.4K

net selling

Bought(0 · 0 insiders): $0
Sold(1 · 1 insiders): $47.4K

Past 12 months

-$43.7K

net selling

Bought(1 · 1 insiders): $3.6K
Sold(1 · 1 insiders): $47.4K

Transaction history

The 77 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Aug 27	Chandler Jodi A	Chief Human Resources…	SSELL	675	$70.19	$47.4K	-2.9%	Open the original filing on SEC.gov
Aug 16	Ferris Scott M.	Director	AGRANT	575	—	—	—	Open the original filing on SEC.gov
May 16	Garcia Laura M.	Chief Risk Officer	FTAX	194	$53.81	$10.4K	-4.0%	Open the original filing on SEC.gov
May 16	Olszewski Daniel P.	Director	AGRANT	710	—	—	+2.7%	Open the original filing on SEC.gov
May 16	Lorenz William Kent	Director	AGRANT	710	—	—	+7.9%	Open the original filing on SEC.gov
May 16	Kilcoyne Gerald L	Director	AGRANT	710	—	—	+1.1%	Open the original filing on SEC.gov
May 16	Graham Jason R	Director	AGRANT	710	—	—	+22.1%	Open the original filing on SEC.gov
May 16	Seiler David R.	President and CEO	AGRANT	3,815	—	—	+10.2%	Open the original filing on SEC.gov
May 16	Crampton Kevin D	Chief Accounting Officer	FTAX	54	$53.81	$2.9K	-2.3%	Open the original filing on SEC.gov
May 16	Chavarria Carla C	Director	AGRANT	710	—	—	+9.2%	Open the original filing on SEC.gov
May 16	Chambas Corey A	Director	AGRANT	710	—	—	+0.6%	Open the original filing on SEC.gov
May 16	Benson Laurie S.	Director	AGRANT	710	—	—	+8.9%	Open the original filing on SEC.gov
Apr 10	Spielmann Brian D.	CFO	FTAX	1,501	$58.60	$88K	-17.0%	Open the original filing on SEC.gov
Apr 10	Spielmann Brian D.	CFO	AGRANT	3,190	—	—	+56.7%	Open the original filing on SEC.gov
Apr 10	Seiler David R.	President and COO	FTAX	1,912	$58.60	$112K	-4.9%	Open the original filing on SEC.gov
Apr 10	Seiler David R.	President and COO	AGRANT	4,780	—	—	+13.9%	Open the original filing on SEC.gov
Apr 10	Quade Bradley A	Chief Credit Officer	FTAX	1,096	$58.60	$64.2K	-6.2%	Open the original filing on SEC.gov
Apr 10	Quade Bradley A	Chief Credit Officer	AGRANT	2,740	—	—	+18.3%	Open the original filing on SEC.gov
Apr 10	Ovokaitys Daniel	Chief Information…	FTAX	1,143	$58.60	$67K	-9.7%	Open the original filing on SEC.gov
Apr 10	Ovokaitys Daniel	Chief Information…	AGRANT	2,430	—	—	+25.9%	Open the original filing on SEC.gov
Apr 10	Hartlieb James Edward	Pres&CEO First Business…	GGIFT	127	—	—	-0.4%	Open the original filing on SEC.gov
Apr 10	Hartlieb James Edward	Pres&CEO First Business…	FTAX	1,039	$58.60	$60.9K	-3.2%	Open the original filing on SEC.gov
Apr 10	Hartlieb James Edward	Pres&CEO First Business…	AGRANT	2,730	—	—	+9.1%	Open the original filing on SEC.gov
Apr 10	Garcia Laura M.	Chief Risk Officer	FTAX	1,108	$58.60	$64.9K	-18.6%	Open the original filing on SEC.gov
Apr 10	Garcia Laura M.	Chief Risk Officer	AGRANT	2,500	—	—	+72.5%	Open the original filing on SEC.gov
Apr 10	Chandler Jodi A	Chief Human Resources…	FTAX	834	$58.60	$48.9K	-3.5%	Open the original filing on SEC.gov
Apr 10	Chandler Jodi A	Chief Human Resources…	AGRANT	2,080	—	—	+9.5%	Open the original filing on SEC.gov
Apr 10	Chambas Corey A	CEO	FTAX	4,875	$58.60	$285.7K	-3.8%	Open the original filing on SEC.gov
Apr 10	Chambas Corey A	CEO	AGRANT	10,370	—	—	+8.9%	Open the original filing on SEC.gov
Feb 16	Seiler David R.	President and COO	FTAX	665	$58.36	$38.8K	-1.9%	Open the original filing on SEC.gov
Feb 16	Seiler David R.	President and COO	AGRANT	1,655	—	—	+4.9%	Open the original filing on SEC.gov
Feb 16	Spielmann Brian D.	CFO	FTAX	603	$58.36	$35.2K	-9.7%	Open the original filing on SEC.gov
Feb 16	Spielmann Brian D.	CFO	AGRANT	875	—	—	+16.4%	Open the original filing on SEC.gov
Feb 16	Ovokaitys Daniel	Chief Information…	FTAX	406	$58.36	$23.7K	-4.2%	Open the original filing on SEC.gov
Feb 16	Ovokaitys Daniel	Chief Information…	AGRANT	595	—	—	+6.5%	Open the original filing on SEC.gov
Feb 16	Hartlieb James Edward	Pres&CEO First Business…	FTAX	392	$58.36	$22.9K	-1.3%	Open the original filing on SEC.gov
Feb 16	Hartlieb James Edward	Pres&CEO First Business…	AGRANT	715	—	—	+2.4%	Open the original filing on SEC.gov
Feb 16	Quade Bradley A	Chief Credit Officer	FTAX	420	$58.36	$24.5K	-2.7%	Open the original filing on SEC.gov
Feb 16	Quade Bradley A	Chief Credit Officer	AGRANT	735	—	—	+5.0%	Open the original filing on SEC.gov
Feb 16	Garcia Laura M.	Chief Risk Officer	FTAX	398	$58.36	$23.2K	-10.3%	Open the original filing on SEC.gov
Feb 16	Garcia Laura M.	Chief Risk Officer	AGRANT	605	—	—	+18.7%	Open the original filing on SEC.gov
Feb 16	Kristufek Niamh M.	President - Specialty…	FTAX	254	$58.36	$14.8K	-7.1%	Open the original filing on SEC.gov
Feb 16	Kristufek Niamh M.	President - Specialty…	AGRANT	660	—	—	+22.5%	Open the original filing on SEC.gov
Feb 16	Crampton Kevin D	Chief Accounting Officer	FTAX	101	$58.36	$5.9K	-4.0%	Open the original filing on SEC.gov
Feb 16	Crampton Kevin D	Chief Accounting Officer	AGRANT	610	—	—	+32.2%	Open the original filing on SEC.gov
Feb 16	Chandler Jodi A	Chief Human Resources…	FTAX	313	$58.36	$18.3K	-1.4%	Open the original filing on SEC.gov
Feb 16	Chandler Jodi A	Chief Human Resources…	AGRANT	550	—	—	+2.5%	Open the original filing on SEC.gov
Feb 16	Chambas Corey A	CEO	FTAX	1,531	$58.36	$89.3K	-1.3%	Open the original filing on SEC.gov
Nov 12, 2025	Chambas Corey A	CEO	GGIFT	200	—	—	-0.2%	Open the original filing on SEC.gov
Nov 12, 2025	Chambas Corey A	CEO	GGIFT	200	—	—	-0.2%	Open the original filing on SEC.gov
Nov 7, 2025	Crampton Kevin D	Chief Accounting Officer	PBUY★	71	$51.40	$3.6K	+3.9%	Open the original filing on SEC.gov
Aug 16, 2025	Hartlieb James Edward	Pres&CEO First Business…	FTAX	104	$49.54	$5.2K	-0.4%	Open the original filing on SEC.gov
Jul 30, 2025	Kauten Ralph R.	Director	PBUY	10,000	$47.80	$478K	+50.6%	Open the original filing on SEC.gov
Jul 30, 2025	Graham Jason R	Director	PBUY	1,000	$47.87	$47.9K	+45.1%	Open the original filing on SEC.gov
May 16, 2025	Lorenz William Kent	Director	AGRANT	620	—	—	+7.4%	Open the original filing on SEC.gov
May 16, 2025	Olszewski Daniel P.	Director	AGRANT	620	—	—	+2.4%	Open the original filing on SEC.gov
May 16, 2025	Kilcoyne Gerald L	Director	AGRANT	620	—	—	+0.9%	Open the original filing on SEC.gov
May 16, 2025	Kauten Ralph R.	Director	AGRANT	620	—	—	+3.2%	Open the original filing on SEC.gov
May 16, 2025	Graham Jason R	Director	AGRANT	620	—	—	+38.8%	Open the original filing on SEC.gov
May 16, 2025	Garcia Laura M.	Chief Risk Officer	FTAX	194	$49.38	$9.6K	-5.6%	Open the original filing on SEC.gov
May 16, 2025	Crampton Kevin D	Chief Accounting Officer	FTAX	56	$49.38	$2.8K	-3.0%	Open the original filing on SEC.gov
May 16, 2025	Chavarria Carla C	Director	AGRANT	620	—	—	+8.7%	Open the original filing on SEC.gov
May 16, 2025	Benson Laurie S.	Director	AGRANT	620	—	—	+8.4%	Open the original filing on SEC.gov
Apr 11, 2025	Seiler David R.	President and COO	FTAX	1,813	$45.04	$81.7K	-5.1%	Open the original filing on SEC.gov
Apr 11, 2025	Seiler David R.	President and COO	AGRANT	4,530	—	—	+14.7%	Open the original filing on SEC.gov
Apr 11, 2025	Quade Bradley A	Chief Credit Officer	FTAX	1,109	$45.04	$49.9K	-7.0%	Open the original filing on SEC.gov
Apr 11, 2025	Quade Bradley A	Chief Credit Officer	AGRANT	2,770	—	—	+21.4%	Open the original filing on SEC.gov
Apr 11, 2025	Ovokaitys Daniel	Chief Information…	FTAX	1,165	$45.04	$52.5K	-11.3%	Open the original filing on SEC.gov
Apr 11, 2025	Ovokaitys Daniel	Chief Information…	AGRANT	2,480	—	—	+31.5%	Open the original filing on SEC.gov
Apr 11, 2025	Meloy Mark J	EVP	FTAX	952	$45.04	$42.9K	-1.7%	Open the original filing on SEC.gov
Apr 11, 2025	Meloy Mark J	EVP	AGRANT	2,720	—	—	+5.1%	Open the original filing on SEC.gov
Apr 11, 2025	Hartlieb James Edward	Pres&CEO First Business…	FTAX	1,031	$45.04	$46.4K	-3.3%	Open the original filing on SEC.gov
Apr 11, 2025	Hartlieb James Edward	Pres&CEO First Business…	AGRANT	2,710	—	—	+9.6%	Open the original filing on SEC.gov
Apr 11, 2025	Chandler Jodi A	Chief Human Resources…	FTAX	791	$45.04	$35.6K	-3.5%	Open the original filing on SEC.gov
Apr 11, 2025	Chandler Jodi A	Chief Human Resources…	AGRANT	2,090	—	—	+10.2%	Open the original filing on SEC.gov
Apr 11, 2025	Chambas Corey A	CEO	FTAX	4,814	$45.04	$216.8K	-3.9%	Open the original filing on SEC.gov
Apr 11, 2025	Chambas Corey A	CEO	AGRANT	10,240	—	—	+9.0%	Open the original filing on SEC.gov

SSELL$47.4K

Chandler Jodi A · Chief Human…Aug 27

675 sh @ $70.19 · -2.9% own

AGRANT—

Ferris Scott M. · DirectorAug 16

575 sh

FTAX$10.4K

Garcia Laura M. · Chief Risk OfficerMay 16

194 sh @ $53.81 · -4.0% own

AGRANT—

Olszewski Daniel P. · DirectorMay 16

710 sh · +2.7% own

AGRANT—

Lorenz William Kent · DirectorMay 16

710 sh · +7.9% own

AGRANT—

Kilcoyne Gerald L · DirectorMay 16

710 sh · +1.1% own

AGRANT—

Graham Jason R · DirectorMay 16

710 sh · +22.1% own

AGRANT—

Seiler David R. · President and CEOMay 16

3,815 sh · +10.2% own

FTAX$2.9K

Crampton Kevin D · Chief Accounting…May 16

54 sh @ $53.81 · -2.3% own

AGRANT—

Chavarria Carla C · DirectorMay 16

710 sh · +9.2% own

AGRANT—

Chambas Corey A · DirectorMay 16

710 sh · +0.6% own

AGRANT—

Benson Laurie S. · DirectorMay 16

710 sh · +8.9% own

FTAX$88K

Spielmann Brian D. · CFOApr 10

1,501 sh @ $58.60 · -17.0% own

AGRANT—

Spielmann Brian D. · CFOApr 10

3,190 sh · +56.7% own

FTAX$112K

Seiler David R. · President and COOApr 10

1,912 sh @ $58.60 · -4.9% own

AGRANT—

Seiler David R. · President and COOApr 10

4,780 sh · +13.9% own

FTAX$64.2K

Quade Bradley A · Chief Credit…Apr 10

1,096 sh @ $58.60 · -6.2% own

AGRANT—

Quade Bradley A · Chief Credit…Apr 10

2,740 sh · +18.3% own

FTAX$67K

Ovokaitys Daniel · Chief Information…Apr 10

1,143 sh @ $58.60 · -9.7% own

AGRANT—

Ovokaitys Daniel · Chief Information…Apr 10

2,430 sh · +25.9% own

GGIFT—

Hartlieb James Edward · Pres&CEO First…Apr 10

127 sh · -0.4% own

FTAX$60.9K

Hartlieb James Edward · Pres&CEO First…Apr 10

1,039 sh @ $58.60 · -3.2% own

AGRANT—

Hartlieb James Edward · Pres&CEO First…Apr 10

2,730 sh · +9.1% own

FTAX$64.9K

Garcia Laura M. · Chief Risk OfficerApr 10

1,108 sh @ $58.60 · -18.6% own

AGRANT—

Garcia Laura M. · Chief Risk OfficerApr 10

2,500 sh · +72.5% own

FTAX$48.9K

Chandler Jodi A · Chief Human…Apr 10

834 sh @ $58.60 · -3.5% own

AGRANT—

Chandler Jodi A · Chief Human…Apr 10

2,080 sh · +9.5% own

FTAX$285.7K

Chambas Corey A · CEOApr 10

4,875 sh @ $58.60 · -3.8% own

AGRANT—

Chambas Corey A · CEOApr 10

10,370 sh · +8.9% own

FTAX$38.8K

Seiler David R. · President and COOFeb 16

665 sh @ $58.36 · -1.9% own

AGRANT—

Seiler David R. · President and COOFeb 16

1,655 sh · +4.9% own

FTAX$35.2K

Spielmann Brian D. · CFOFeb 16

603 sh @ $58.36 · -9.7% own

AGRANT—

Spielmann Brian D. · CFOFeb 16

875 sh · +16.4% own

FTAX$23.7K

Ovokaitys Daniel · Chief Information…Feb 16

406 sh @ $58.36 · -4.2% own

AGRANT—

Ovokaitys Daniel · Chief Information…Feb 16

595 sh · +6.5% own

FTAX$22.9K

Hartlieb James Edward · Pres&CEO First…Feb 16

392 sh @ $58.36 · -1.3% own

AGRANT—

Hartlieb James Edward · Pres&CEO First…Feb 16

715 sh · +2.4% own

FTAX$24.5K

Quade Bradley A · Chief Credit…Feb 16

420 sh @ $58.36 · -2.7% own

AGRANT—

Quade Bradley A · Chief Credit…Feb 16

735 sh · +5.0% own

FTAX$23.2K

Garcia Laura M. · Chief Risk OfficerFeb 16

398 sh @ $58.36 · -10.3% own

AGRANT—

Garcia Laura M. · Chief Risk OfficerFeb 16

605 sh · +18.7% own

FTAX$14.8K

Kristufek Niamh M. · President -…Feb 16

254 sh @ $58.36 · -7.1% own

AGRANT—

Kristufek Niamh M. · President -…Feb 16

660 sh · +22.5% own

FTAX$5.9K

Crampton Kevin D · Chief Accounting…Feb 16

101 sh @ $58.36 · -4.0% own

AGRANT—

Crampton Kevin D · Chief Accounting…Feb 16

610 sh · +32.2% own

FTAX$18.3K

Chandler Jodi A · Chief Human…Feb 16

313 sh @ $58.36 · -1.4% own

AGRANT—

Chandler Jodi A · Chief Human…Feb 16

550 sh · +2.5% own

FTAX$89.3K

Chambas Corey A · CEOFeb 16

1,531 sh @ $58.36 · -1.3% own

GGIFT—

Chambas Corey A · CEONov 12, 2025

200 sh · -0.2% own

GGIFT—

Chambas Corey A · CEONov 12, 2025

200 sh · -0.2% own

PBUY★$3.6K

Crampton Kevin D · Chief Accounting…Nov 7, 2025

71 sh @ $51.40 · +3.9% own

FTAX$5.2K

Hartlieb James Edward · Pres&CEO First…Aug 16, 2025

104 sh @ $49.54 · -0.4% own

PBUY$478K

Kauten Ralph R. · DirectorJul 30, 2025

10,000 sh @ $47.80 · +50.6% own

PBUY$47.9K

Graham Jason R · DirectorJul 30, 2025

1,000 sh @ $47.87 · +45.1% own

AGRANT—

Lorenz William Kent · DirectorMay 16, 2025

620 sh · +7.4% own

AGRANT—

Olszewski Daniel P. · DirectorMay 16, 2025

620 sh · +2.4% own

AGRANT—

Kilcoyne Gerald L · DirectorMay 16, 2025

620 sh · +0.9% own

AGRANT—

Kauten Ralph R. · DirectorMay 16, 2025

620 sh · +3.2% own

AGRANT—

Graham Jason R · DirectorMay 16, 2025

620 sh · +38.8% own

FTAX$9.6K

Garcia Laura M. · Chief Risk OfficerMay 16, 2025

194 sh @ $49.38 · -5.6% own

FTAX$2.8K

Crampton Kevin D · Chief Accounting…May 16, 2025

56 sh @ $49.38 · -3.0% own

AGRANT—

Chavarria Carla C · DirectorMay 16, 2025

620 sh · +8.7% own

AGRANT—

Benson Laurie S. · DirectorMay 16, 2025

620 sh · +8.4% own

FTAX$81.7K

Seiler David R. · President and COOApr 11, 2025

1,813 sh @ $45.04 · -5.1% own

AGRANT—

Seiler David R. · President and COOApr 11, 2025

4,530 sh · +14.7% own

FTAX$49.9K

Quade Bradley A · Chief Credit…Apr 11, 2025

1,109 sh @ $45.04 · -7.0% own

AGRANT—

Quade Bradley A · Chief Credit…Apr 11, 2025

2,770 sh · +21.4% own

FTAX$52.5K

Ovokaitys Daniel · Chief Information…Apr 11, 2025

1,165 sh @ $45.04 · -11.3% own

AGRANT—

Ovokaitys Daniel · Chief Information…Apr 11, 2025

2,480 sh · +31.5% own

FTAX$42.9K

Meloy Mark J · EVPApr 11, 2025

952 sh @ $45.04 · -1.7% own

AGRANT—

Meloy Mark J · EVPApr 11, 2025

2,720 sh · +5.1% own

FTAX$46.4K

Hartlieb James Edward · Pres&CEO First…Apr 11, 2025

1,031 sh @ $45.04 · -3.3% own

AGRANT—

Hartlieb James Edward · Pres&CEO First…Apr 11, 2025

2,710 sh · +9.6% own

FTAX$35.6K

Chandler Jodi A · Chief Human…Apr 11, 2025

791 sh @ $45.04 · -3.5% own

AGRANT—

Chandler Jodi A · Chief Human…Apr 11, 2025

2,090 sh · +10.2% own

FTAX$216.8K

Chambas Corey A · CEOApr 11, 2025

4,814 sh @ $45.04 · -3.9% own

AGRANT—

Chambas Corey A · CEOApr 11, 2025

10,240 sh · +9.0% own

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

All 51 filings we hold were filed within the two-business-day deadline.

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.

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