Corey A. Chambas serves as Executive at First Business Financial Services, Inc., where they oversee executive responsibilities. Since joining the company, Corey A. Chambas has executed 96 insider transactions totaling $1.1M, demonstrating a bearish approach to their equity position. Their most recent transaction on Nov 12, 2025 involved gifting 200 shares valued at $0.
Corey A. Chambas currently holds 118,116 shares of First Business Financial Services, Inc. (FBIZ), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Corey A. Chambas has been a net seller of FBIZ stock. They have purchased $87.0K and sold $1.0M worth of shares.
Corey A. Chambas's most recent insider trade was on Nov 12, 2025, when they sold 200 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Apr 19, 2024 | FBIZ | $242.0K | Payment | 7,055 | $34.30 | Discretionary |
| Apr 19, 2024 | FBIZ | $0 | Award | 15,010 | $N/A | Discretionary |
| Feb 16, 2024 | FBIZ | $71.7K | Payment | 1,989 | $36.06 | Discretionary |
| Feb 16, 2024 | FBIZ | $0 | Award | 3,515 | $N/A | Discretionary |
| Jan 5, 2024 | FBIZ | $0 | Gift | 128 | $N/A | Discretionary |
| Apr 17, 2023 | FBIZ | $332.1K | Award | 11,400 | $29.13 | Discretionary |
| Apr 17, 2023 | FBIZ | $131.8K | Payment | 4,525 | $29.13 | Discretionary |
| Feb 16, 2023 | FBIZ | $0 | Award | 3,460 | $N/A | Discretionary |
| Feb 16, 2023 | FBIZ | $50.0K | Payment | 1,372 | $36.42 | Discretionary |
| Aug 16, 2022 | FBIZ | $17.5K | Payment | 482 | $36.41 | Discretionary |
| Apr 18, 2022 | FBIZ | $157.8K | Payment | 4,781 | $33.00 | Discretionary |
| Apr 18, 2022 | FBIZ | $440.2K | Award | 13,340 | $33.00 | Discretionary |
| Feb 16, 2022 | FBIZ | $0 | Award | 3,410 | $N/A | Discretionary |
| Feb 16, 2022 | FBIZ | $49.6K | Payment | 1,477 | $33.60 | Discretionary |
| Nov 22, 2021 | FBIZ | $0 | Gift | 663 | $N/A | Discretionary |
| Aug 16, 2021 | FBIZ | $27.4K | Payment | 957 | $28.65 | Discretionary |
| Feb 16, 2021 | FBIZ | $21.7K | Payment | 1,001 | $21.68 | Discretionary |
| Feb 16, 2021 | FBIZ | $0 | Award | 5,000 | $N/A | Discretionary |
| Aug 16, 2020 | FBIZ | $18.1K | Payment | 957 | $18.89 | Discretionary |
| Feb 16, 2020 | FBIZ | $13.9K | Payment | 540 | $25.82 | Discretionary |
| Feb 16, 2020 | FBIZ | $0 | Award | 3,800 | $N/A | Discretionary |
| Nov 20, 2019 | FBIZ | $0 | Gift | 817 | $N/A | Discretionary |
| Aug 16, 2019 | FBIZ | $37.0K | Payment | 1,552 | $23.82 | Discretionary |
| Feb 16, 2019 | FBIZ | $0 | Award | 4,445 | $N/A | Discretionary |
| Aug 16, 2018 | FBIZ | $40.0K | Payment | 1,795 | $22.29 | Discretionary |
| Aug 16, 2018 | FBIZ | $0 | Award | 4,175 | $N/A | Discretionary |
| Dec 21, 2017 | FBIZ | $0 | Gift | 440 | $N/A | Discretionary |
| Dec 4, 2017 | FBIZ | $0 | Gift | 435 | $N/A | Discretionary |