FBIZ
FIRST BUSINESS FINANCIAL SERVICES, INC.
State Commercial BanksNasdaqAccelerated filer
Total Trades
28
Buys
21
Sells
7
Largest Trade
$1M+
Insiders
14
Institutional Funds
112
Inst. Value
$1M+
Activist Filings
9
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Crampton Kevin D | Chief Accounting O… | BUY | $1K–$15K | 71 | $51.40 | Nov 10, 2025 |
| Kauten Ralph R. | Director | BUY | $100K–$500K | 10K | $47.80 | Aug 1, 2025 |
| Graham Jason R | Director | BUY | $15K–$50K | 1K | $47.87 | Aug 1, 2025 |
| Lorenz William Kent | Director | SELL | $15K–$50K | 1K | $49.00 | Nov 21, 2024 |
| CHAMBAS COREY A | CEO | SELL | $1M+ | 40K | $48.81 | Nov 7, 2024 |
| Hartlieb James Edward | Pres&CEO First Bus… | SELL | $100K–$500K | 6K | $43.15 | Nov 1, 2024 |
| Sanders Carol P | Director | BUY | $1K–$15K | 134 | $44.77 | Oct 31, 2024 |
| Ovokaitys Daniel | Chief Information … | SELL | $15K–$50K | 1K | $42.38 | Aug 23, 2024 |
| Lorenz William Kent | Director | SELL | $15K–$50K | 1K | $42.79 | Aug 20, 2024 |
| Sanders Carol P | Director | BUY | $1K–$15K | 129 | $45.85 | Jul 31, 2024 |
| Crampton Kevin D | Chief Accounting O… | BUY | $1K–$15K | 154 | $34.15 | May 23, 2024 |
| Sanders Carol P | Director | BUY | $1K–$15K | 175 | $34.40 | May 3, 2024 |
| Sanders Carol P | Director | BUY | $1K–$15K | 156 | $38.37 | Jan 31, 2024 |
| Sanders Carol P | Director | BUY | $1K–$15K | 193 | $31.08 | Nov 7, 2023 |
| Chandler Jodi A | CHRO | SELL | $100K–$500K | 8K | $31.75 | Aug 31, 2023 |
| Sanders Carol P | Director | BUY | $1K–$15K | 177 | $33.90 | Aug 1, 2023 |
| Kilcoyne Gerald L | Director | BUY | $100K–$500K | 6K | $30.55 | Jun 16, 2023 |
| CHAVARRIA CARLA C | Director | BUY | $15K–$50K | 1K | $26.00 | May 9, 2023 |
| Harris John J | Director | BUY | $15K–$50K | 1K | $30.73 | Mar 24, 2023 |
| Conley Barbara McCarty | General Counsel | SELL | $100K–$500K | 3K | $37.50 | Dec 14, 2022 |
| Kilcoyne Gerald L | Director | BUY | $100K–$500K | 5K | $32.99 | Aug 5, 2022 |
| Olszewski Daniel P. | Director | BUY | $1K–$15K | 181 | $33.00 | Aug 5, 2022 |
| Sanders Carol P | Director | BUY | $1K–$15K | 181 | $33.00 | Aug 5, 2022 |
| Sanders Carol P | Director | BUY | $1K–$15K | 171 | $34.85 | May 6, 2022 |
| Olszewski Daniel P. | Director | BUY | $1K–$15K | 171 | $34.85 | May 6, 2022 |
| CHAVARRIA CARLA C | Director | BUY | $15K–$50K | 755 | $33.27 | Apr 28, 2022 |
| Sanders Carol P | Director | BUY | $1K–$15K | 190 | $31.85 | Mar 9, 2022 |
| Olszewski Daniel P. | Director | BUY | $1K–$15K | 190 | $31.85 | Mar 9, 2022 |
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Institutional Ownership
13F filings as of Dec 31, 2025 · 112 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| DIMENSIONAL FUND ADVISORS LP | 481K | $1M+ | SH |
| VANGUARD GROUP INC | 425K | $1M+ | SH |
| FIRST BUSINESS FINANCIAL SERVICES, INC. | 361K | $1M+ | SH |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 248K | $1M+ | SH |
| AMERICAN CENTURY COMPANIES INC | 217K | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 208K | $1M+ | SH |
| BANC FUNDS CO LLC | 166K | $1M+ | SH |
| STATE STREET CORP | 158K | $1M+ | SH |
| Cutler Capital Management, LLC | 154K | $1M+ | SH |
| Pacific Ridge Capital Partners, LLC | 140K | $1M+ | SH |
| LSV ASSET MANAGEMENT | 134K | $1M+ | SH |
| RENAISSANCE TECHNOLOGIES LLC | 128K | $1M+ | SH |
| De Lisle Partners LLP | 97K | $1M+ | SH |
| Hillsdale Investment Management Inc. | 83K | $1M+ | SH |
| ALLIANCEBERNSTEIN L.P. | 70K | $1M+ | SH |
| BlackRock, Inc. | 65K | $1M+ | SH |
| M3F, Inc. | 59K | $1M+ | SH |
| VISTA INVESTMENT MANAGEMENT | 53K | $1M+ | SH |
| Poehling Capital Management, INC. | 52K | $1M+ | SH |
| ACADIAN ASSET MANAGEMENT LLC | 47K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
BlackRock Portfolio Management LLC
SC 13G/A · Oct 17, 2025
4.9%
405K shares
SC 13G · Apr 30, 2025
5.4%
449K shares
SC 13G/A · Apr 24, 2025
6.1%
506K shares
BlackRock Portfolio Management LLC
SC 13G · Apr 15, 2025
6.0%
499K shares
SC 13G/A · Dec 6, 2024
10.3%
855K shares
SC 13G/A · Jan 25, 2024
8.3%
689K shares
Dimensional Fund Advisors LP 30-0447847
SC 13G/A · Feb 10, 2023
6.3%
527K shares
SC 13G/A · Feb 9, 2023
2.1%
177K shares
SC 13G · Feb 3, 2023
7.6%
644K shares