{"transactions":[{"id":672798,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2026-08-28T16:40:31.000Z","date":"2026-08-27","kind":"sale","planned":false,"acquired":false,"shares":675,"price":70.1945,"value":47381.2875,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in column 4 is the weighted average sale price. These shares were sold in multiple transactions at prices ranging from $70.10 to $70.30, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."}],"balance_after":22550,"source":{"system":"sec-edgar","filing":"0000892712-26-000359","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000089271226000359/form4.xml","form_type":"4"}},{"id":808639,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2026-04-14T20:22:53.000Z","date":"2026-04-10","kind":"tax_withholding","planned":false,"acquired":false,"shares":834,"price":58.6,"value":48872.4,"ownership":{"direct":true},"balance_after":23225,"source":{"system":"sec-edgar","filing":"0000892712-26-000210","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000089271226000210/form4.xml","form_type":"4"}},{"id":808638,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2026-04-14T20:22:53.000Z","date":"2026-04-10","kind":"grant","planned":false,"acquired":true,"shares":2080,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Issuance of Common Stock upon vesting of Performance Restricted Stock Unit awards for the performance period 2023-2025."}],"balance_after":24059,"source":{"system":"sec-edgar","filing":"0000892712-26-000210","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000089271226000210/form4.xml","form_type":"4"}},{"id":895942,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2026-02-18T21:26:11.000Z","date":"2026-02-16","kind":"tax_withholding","planned":false,"acquired":false,"shares":313,"price":58.36,"value":18266.68,"ownership":{"direct":true},"balance_after":21979,"source":{"system":"sec-edgar","filing":"0000892712-26-000128","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000089271226000128/form4.xml","form_type":"4"}},{"id":895941,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2026-02-18T21:26:11.000Z","date":"2026-02-16","kind":"grant","planned":false,"acquired":true,"shares":550,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":22292,"source":{"system":"sec-edgar","filing":"0000892712-26-000128","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000089271226000128/form4.xml","form_type":"4"}},{"id":1171631,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2025-04-15T20:41:06.000Z","date":"2025-04-11","kind":"tax_withholding","planned":false,"acquired":false,"shares":791,"price":45.04,"value":35626.64,"ownership":{"direct":true},"balance_after":21742,"source":{"system":"sec-edgar","filing":"0001062993-25-007522","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000106299325007522/form4.xml","form_type":"4"}},{"id":1171630,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2025-04-15T20:41:06.000Z","date":"2025-04-11","kind":"grant","planned":false,"acquired":true,"shares":2090,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Issuance of Common Stock upon vesting of Performance Restricted Stock Unit awards for the performance period 2022-2024."}],"balance_after":22533,"source":{"system":"sec-edgar","filing":"0001062993-25-007522","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000106299325007522/form4.xml","form_type":"4"}},{"id":1258832,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2025-02-19T21:41:11.000Z","date":"2025-02-16","kind":"tax_withholding","planned":false,"acquired":false,"shares":323,"price":52.76,"value":17041.48,"ownership":{"direct":true},"balance_after":20443,"source":{"system":"sec-edgar","filing":"0001062993-25-002845","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000106299325002845/form4.xml","form_type":"4"}},{"id":1258831,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2025-02-19T21:41:11.000Z","date":"2025-02-16","kind":"grant","planned":false,"acquired":true,"shares":600,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":20766,"source":{"system":"sec-edgar","filing":"0001062993-25-002845","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000106299325002845/form4.xml","form_type":"4"}},{"id":1536752,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2024-04-23T20:42:36.000Z","date":"2024-04-19","kind":"tax_withholding","planned":false,"acquired":false,"shares":1234,"price":34.3,"value":42326.2,"ownership":{"direct":true},"balance_after":20166,"source":{"system":"sec-edgar","filing":"0001062993-24-008710","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000106299324008710/form4.xml","form_type":"4"}},{"id":1536751,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2024-04-23T20:42:36.000Z","date":"2024-04-19","kind":"grant","planned":false,"acquired":true,"shares":3210,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Issuance of Common Stock upon vesting of Performance Restricted Stock Unit awards for the performance period 2021-2023."}],"balance_after":21400,"source":{"system":"sec-edgar","filing":"0001062993-24-008710","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000106299324008710/form4.xml","form_type":"4"}},{"id":1628210,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2024-02-21T21:30:46.000Z","date":"2024-02-16","kind":"tax_withholding","planned":false,"acquired":false,"shares":384,"price":36.06,"value":13847.04,"ownership":{"direct":true},"balance_after":18190,"source":{"system":"sec-edgar","filing":"0001062993-24-003922","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000106299324003922/form4.xml","form_type":"4"}},{"id":1628209,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2024-02-21T21:30:46.000Z","date":"2024-02-16","kind":"grant","planned":false,"acquired":true,"shares":720,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":18574,"source":{"system":"sec-edgar","filing":"0001062993-24-003922","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000106299324003922/form4.xml","form_type":"4"}},{"id":1791771,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2023-08-31T21:18:42.000Z","date":"2023-08-30","kind":"sale","planned":false,"acquired":false,"shares":1596,"price":31.4116,"value":50132.9136,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $31.40 to $31.86, inclusive."}],"balance_after":17854,"source":{"system":"sec-edgar","filing":"0001062993-23-017367","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000106299323017367/form4.xml","form_type":"4"}},{"id":1791770,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2023-08-31T21:18:42.000Z","date":"2023-08-29","kind":"sale","planned":false,"acquired":false,"shares":6604,"price":31.8336,"value":210229.0944,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $31.80 to $32.28, inclusive.  The reporting person undertakes to provide to First Business Financial Services, Inc., any security holder of First Business Financial Services, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (1) and (2) to this Form 4."}],"balance_after":19450,"source":{"system":"sec-edgar","filing":"0001062993-23-017367","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000106299323017367/form4.xml","form_type":"4"}},{"id":1917056,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2023-04-19T20:45:40.000Z","date":"2023-04-17","kind":"tax_withholding","planned":false,"acquired":false,"shares":785,"price":29.13,"value":22867.05,"ownership":{"direct":true},"balance_after":26054,"source":{"system":"sec-edgar","filing":"0001062993-23-009346","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000106299323009346/form4.xml","form_type":"4"}},{"id":1917055,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2023-04-19T20:45:40.000Z","date":"2023-04-17","kind":"grant","planned":false,"acquired":true,"shares":2460,"price":29.13,"value":71659.8,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Issuance of Common Stock upon vesting of Performance Restricted Stock Unit awards for the performance period 2020-2022."}],"balance_after":26839,"source":{"system":"sec-edgar","filing":"0001062993-23-009346","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000106299323009346/form4.xml","form_type":"4"}},{"id":2002943,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2023-02-21T21:29:13.000Z","date":"2023-02-16","kind":"tax_withholding","acquired":false,"shares":336,"price":36.42,"value":12237.12,"ownership":{"direct":true},"balance_after":24379,"source":{"system":"sec-edgar","filing":"0001062993-23-004241","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000106299323004241/form4.xml","form_type":"4"}},{"id":2002942,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2023-02-21T21:29:13.000Z","date":"2023-02-16","kind":"grant","acquired":true,"shares":745,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":24715,"source":{"system":"sec-edgar","filing":"0001062993-23-004241","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000106299323004241/form4.xml","form_type":"4"}},{"id":2179152,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2022-08-18T20:01:00.000Z","date":"2022-08-16","kind":"tax_withholding","acquired":false,"shares":65,"price":36.41,"value":2366.65,"ownership":{"direct":true},"balance_after":23970,"source":{"system":"sec-edgar","filing":"0001062993-22-018360","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000106299322018360/form4.xml","form_type":"4"}},{"id":2293541,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2022-04-20T20:10:56.000Z","date":"2022-04-18","kind":"tax_withholding","acquired":false,"shares":868,"price":33,"value":28644.0,"ownership":{"direct":true},"balance_after":24035,"source":{"system":"sec-edgar","filing":"0001062993-22-010511","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000106299322010511/form4.xml","form_type":"4"}},{"id":2293540,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2022-04-20T20:10:56.000Z","date":"2022-04-18","kind":"grant","acquired":true,"shares":2820,"price":33,"value":93060.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Issuance of Common Stock upon vesting of Performance Restricted Stock Unit awards for the performance period 2019-2021."}],"balance_after":24903,"source":{"system":"sec-edgar","filing":"0001062993-22-010511","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000106299322010511/form4.xml","form_type":"4"}},{"id":2384827,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2022-02-18T21:17:00.000Z","date":"2022-02-16","kind":"tax_withholding","acquired":false,"shares":367,"price":33.6,"value":12331.2,"ownership":{"direct":true},"balance_after":22083,"source":{"system":"sec-edgar","filing":"0001062993-22-004945","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000106299322004945/form4.xml","form_type":"4"}},{"id":2384826,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2022-02-18T21:17:00.000Z","date":"2022-02-16","kind":"grant","acquired":true,"shares":745,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":22454,"source":{"system":"sec-edgar","filing":"0001062993-22-004945","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000106299322004945/form4.xml","form_type":"4"}},{"id":2597397,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2021-08-18T20:26:46.000Z","date":"2021-08-16","kind":"tax_withholding","acquired":false,"shares":203,"price":28.65,"value":5815.95,"ownership":{"direct":true},"balance_after":21709,"source":{"system":"sec-edgar","filing":"0000892712-21-000286","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000089271221000286/edgar.xml","form_type":"4"}},{"id":2849050,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2021-02-18T21:45:02.000Z","date":"2021-02-16","kind":"tax_withholding","acquired":false,"shares":228,"price":21.68,"value":4943.04,"ownership":{"direct":true},"balance_after":21912,"source":{"system":"sec-edgar","filing":"0000892712-21-000095","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000089271221000095/edgar.xml","form_type":"4"}},{"id":2849049,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2021-02-18T21:45:02.000Z","date":"2021-02-16","kind":"grant","acquired":true,"shares":1150,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":22140,"source":{"system":"sec-edgar","filing":"0000892712-21-000095","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000089271221000095/edgar.xml","form_type":"4"}},{"id":3053587,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2020-08-18T20:22:57.000Z","date":"2020-08-16","kind":"tax_withholding","acquired":false,"shares":324,"price":18.89,"value":6120.36,"ownership":{"direct":true},"balance_after":20990,"source":{"system":"sec-edgar","filing":"0000892712-20-000293","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000089271220000293/edgar.xml","form_type":"4"}},{"id":3262221,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2020-02-19T21:12:28.000Z","date":"2020-02-16","kind":"tax_withholding","acquired":false,"shares":122,"price":25.82,"value":3150.04,"ownership":{"direct":true},"balance_after":21314,"source":{"system":"sec-edgar","filing":"0000892712-20-000100","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000089271220000100/edgar.xml","form_type":"4"}},{"id":3262220,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2020-02-19T21:12:28.000Z","date":"2020-02-16","kind":"grant","acquired":true,"shares":875,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":21436,"source":{"system":"sec-edgar","filing":"0000892712-20-000100","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000089271220000100/edgar.xml","form_type":"4"}},{"id":3432816,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2019-08-20T20:54:07.000Z","date":"2019-08-16","kind":"tax_withholding","acquired":false,"shares":448,"price":23.82,"value":10671.36,"ownership":{"direct":true},"balance_after":20561,"source":{"system":"sec-edgar","filing":"0000892712-19-000311","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000089271219000311/edgar.xml","form_type":"4"}},{"id":3644892,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2019-02-20T21:39:52.000Z","date":"2019-02-16","kind":"grant","acquired":true,"shares":1005,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":21009,"source":{"system":"sec-edgar","filing":"0000892712-19-000086","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000089271219000086/edgar.xml","form_type":"4"}},{"id":3837956,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2018-08-20T20:51:27.000Z","date":"2018-08-16","kind":"tax_withholding","acquired":false,"shares":547,"price":22.29,"value":12192.63,"ownership":{"direct":true},"balance_after":20004,"source":{"system":"sec-edgar","filing":"0000892712-18-000376","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000089271218000376/edgar.xml","form_type":"4"}},{"id":3837955,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2018-08-20T20:51:27.000Z","date":"2018-08-16","kind":"grant","acquired":true,"shares":830,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":20551,"source":{"system":"sec-edgar","filing":"0000892712-18-000376","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000089271218000376/edgar.xml","form_type":"4"}},{"id":3986118,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2018-03-21T20:06:18.000Z","date":"2018-03-19","kind":"sale","acquired":false,"shares":1254,"price":25.25,"value":31663.5,"ownership":{"direct":true},"balance_after":19721,"source":{"system":"sec-edgar","filing":"0000892712-18-000138","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000089271218000138/edgar.xml","form_type":"4"}},{"id":4161817,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2017-11-15T22:15:54.000Z","date":"2017-08-16","kind":"tax_withholding","acquired":false,"shares":611,"price":21.35,"value":13044.85,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Amended to reflect the withholding of shares to satisfy tax withholding obligations and correct the resulting balance."}],"balance_after":20975,"source":{"system":"sec-edgar","filing":"0000892712-17-000760","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000089271217000760/edgar.xml","form_type":"4/A","original_submission_date":"2017-08-17"}},{"id":4161816,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2017-11-15T22:15:54.000Z","date":"2017-08-16","kind":"grant","acquired":true,"shares":1815,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":21586,"source":{"system":"sec-edgar","filing":"0000892712-17-000760","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000089271217000760/edgar.xml","form_type":"4/A","original_submission_date":"2017-08-17"}},{"id":4230314,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Human Resources Officer"}}],"security":"Common Stock","published_at":"2017-08-17T20:38:01.000Z","date":"2017-08-16","kind":"grant","acquired":true,"shares":1815,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":21586,"source":{"system":"sec-edgar","filing":"0000892712-17-000638","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000089271217000638/edgar.xml","form_type":"4"}},{"id":4379229,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP Hum. Res. & Administration"}}],"security":"Common Stock","published_at":"2017-03-17T20:23:29.000Z","date":"2017-03-16","kind":"sale","acquired":false,"shares":1496,"price":25.41,"value":38013.36,"ownership":{"direct":true},"balance_after":19771,"source":{"system":"sec-edgar","filing":"0000892712-17-000204","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000089271217000204/edgar.xml","form_type":"4"}},{"id":4379228,"issuer":{"id":5359,"kind":"organization","name":"FIRST BUSINESS FINANCIAL SERVICES, INC."},"owners":[{"id":18669,"kind":"person","name":"Chandler Jodi A","position":1,"cik":"0001521337","reported_name":"Chandler Jodi A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP Hum. Res. & Administration"}}],"security":"Common Stock","published_at":"2017-03-17T20:23:29.000Z","date":"2017-03-15","kind":"sale","acquired":false,"shares":2919,"price":25.31,"value":73879.89,"ownership":{"direct":true},"balance_after":21267,"source":{"system":"sec-edgar","filing":"0000892712-17-000204","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1521337/000089271217000204/edgar.xml","form_type":"4"}}]}