| SC 13G/A | 2024-02-09 | DIMENSIONAL FUND ADVISORS LP | FIRST BUSINESS FINANCIAL SERVICES, INC. | 525,683 | 6.3% | EDGAR |
| SC 13G/A | 2024-02-08 | BANC FUNDS CO LLC | FIRST BUSINESS FINANCIAL SERVICES, INC. | 176,724 | 2.1% | EDGAR |
| SC 13G/A | 2024-01-25 | BlackRock Inc. | FIRST BUSINESS FINANCIAL SERVICES, INC. | 689,085 | 8.3% | EDGAR |
| SC 13G/A | 2023-02-10 | DIMENSIONAL FUND ADVISORS LP | FIRST BUSINESS FINANCIAL SERVICES, INC. | 527,091 | 6.3% | EDGAR |
| SC 13G/A | 2023-02-09 | BANC FUNDS CO LLC | FIRST BUSINESS FINANCIAL SERVICES, INC. | 176,724 | 2.1% | EDGAR |
| SC 13G | 2023-02-03 | BlackRock Inc. | FIRST BUSINESS FINANCIAL SERVICES, INC. | 643,571 | 7.6% | EDGAR |
| SC 13G/A | 2022-02-08 | DIMENSIONAL FUND ADVISORS LP | FIRST BUSINESS FINANCIAL SERVICES, INC. | 465,166 | 5.5% | EDGAR |
| SC 13G/A | 2022-02-07 | BANC FUNDS CO LLC | FIRST BUSINESS FINANCIAL SERVICES, INC. | 199,701 | 2.3% | EDGAR |
| SC 13G/A | 2021-07-12 | BlackRock Inc. | FIRST BUSINESS FINANCIAL SERVICES, INC. | 87,471 | 1.0% | EDGAR |
| SC 13G | 2021-02-12 | DIMENSIONAL FUND ADVISORS LP | FIRST BUSINESS FINANCIAL SERVICES, INC. | 438,980 | 5.2% | EDGAR |
| SC 13G/A | 2021-02-09 | BANC FUNDS CO LLC | FIRST BUSINESS FINANCIAL SERVICES, INC. | 126,199 | 1.5% | EDGAR |
| SC 13G/A | 2021-01-29 | BlackRock Inc. | FIRST BUSINESS FINANCIAL SERVICES, INC. | 478,350 | 5.6% | EDGAR |
| SC 13G/A | 2020-02-12 | MANULIFE FINANCIAL CORP | FIRST BUSINESS FINANCIAL SERVICES, INC. | 303,794 | 3.5% | EDGAR |
| SC 13G/A | 2020-02-12 | BANC FUNDS CO LLC | FIRST BUSINESS FINANCIAL SERVICES, INC. | 52,142 | 0.6% | EDGAR |
| SC 13G | 2020-02-07 | BlackRock Inc. | FIRST BUSINESS FINANCIAL SERVICES, INC. | 479,681 | 5.6% | EDGAR |
| SC 13G/A | 2019-05-10 | BlackRock Inc. | FIRST BUSINESS FINANCIAL SERVICES, INC. | 435,287 | 5.0% | EDGAR |
| SC 13G/A | 2019-02-14 | MANULIFE FINANCIAL CORP | FIRST BUSINESS FINANCIAL SERVICES, INC. | 497,460 | 5.7% | EDGAR |
| SC 13G/A | 2019-02-12 | WELLINGTON MANAGEMENT GROUP LLP | FIRST BUSINESS FINANCIAL SERVICES, INC. | 56,470 | 0.6% | EDGAR |
| SC 13G/A | 2019-02-12 | BANC FUNDS CO LLC | FIRST BUSINESS FINANCIAL SERVICES, INC. | 0 | 0.0% | EDGAR |
| SC 13G | 2019-02-08 | BlackRock Inc. | FIRST BUSINESS FINANCIAL SERVICES, INC. | 456,005 | 5.2% | EDGAR |