CHAMBAS COREY A has filed 16 insider transactions across 1 company since January 2024.
Most recent transaction: a grant/award of 710 shares of FIRST BUSINESS FINANCIAL SERVICES, INC. ($FBIZ) on May 16, 2026.
Activity breakdown: 0 open-market purchases and 1 sale.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| May 16, 2026 | FIRST BUSINESS FINANCIAL SERVICES, INC. | $FBIZ | CHAMBAS COREY A | Director | A | Common Stock | 710 | $0.00 | 139,782.0000 | 8,324,387 | 0.51% | 0.01% |
| April 10, 2026 | FIRST BUSINESS FINANCIAL SERVICES, INC. | $FBIZ | CHAMBAS COREY A | CEO | F | Common Stock | 4875 | $58.60 | 139,072.0000 | 8,324,387 | 3.39% | 0.06% |
| April 10, 2026 | FIRST BUSINESS FINANCIAL SERVICES, INC. | $FBIZ | CHAMBAS COREY A | CEO | A | Common Stock | 10370 | $0.00 | 143,947.0000 | 8,324,387 | 7.76% | 0.12% |
| Feb. 16, 2026 | FIRST BUSINESS FINANCIAL SERVICES, INC. | $FBIZ | CHAMBAS COREY A | CEO | F | Common Stock | 1531 | $58.36 | 133,577.0000 | 8,324,387 | 1.13% | 0.02% |
| Nov. 12, 2025 | FIRST BUSINESS FINANCIAL SERVICES, INC. | $FBIZ | CHAMBAS COREY A | CEO | G | Common Stock | 200 | $0.00 | 135,108.0000 | 8,324,387 | 0.15% | 0.00% |
| Nov. 12, 2025 | FIRST BUSINESS FINANCIAL SERVICES, INC. | $FBIZ | CHAMBAS COREY A | CEO | G | Common Stock | 200 | $0.00 | 135,308.0000 | 8,324,387 | 0.15% | 0.00% |
| April 11, 2025 | FIRST BUSINESS FINANCIAL SERVICES, INC. | $FBIZ | CHAMBAS COREY A | CEO | A | Common Stock | 10240 | $0.00 | 140,322.0000 | 8,301,967 | 7.87% | 0.12% |
| April 11, 2025 | FIRST BUSINESS FINANCIAL SERVICES, INC. | $FBIZ | CHAMBAS COREY A | CEO | F | Common Stock | 4814 | $45.04 | 135,508.0000 | 8,301,967 | 3.43% | 0.06% |
| Feb. 16, 2025 | FIRST BUSINESS FINANCIAL SERVICES, INC. | $FBIZ | CHAMBAS COREY A | CEO | A | Common Stock | 2080 | $0.00 | 131,822.0000 | 8,293,928 | 1.60% | 0.03% |
| Feb. 16, 2025 | FIRST BUSINESS FINANCIAL SERVICES, INC. | $FBIZ | CHAMBAS COREY A | CEO | F | Common Stock | 1740 | $52.76 | 130,082.0000 | 8,293,928 | 1.32% | 0.02% |
| Nov. 7, 2024 | FIRST BUSINESS FINANCIAL SERVICES, INC. | $FBIZ | CHAMBAS COREY A | CEO | S | Common Stock | 40000 | $48.81 | 129,742.0000 | 8,295,017 | 23.57% | 0.48% |
| April 19, 2024 | FIRST BUSINESS FINANCIAL SERVICES, INC. | $FBIZ | CHAMBAS COREY A | CEO | A | Common Stock | 15010 | $0.00 | 176,797.0000 | 8,306,573 | 9.28% | 0.18% |
| April 19, 2024 | FIRST BUSINESS FINANCIAL SERVICES, INC. | $FBIZ | CHAMBAS COREY A | CEO | F | Common Stock | 7055 | $34.30 | 169,742.0000 | 8,306,573 | 3.99% | 0.08% |
| Feb. 16, 2024 | FIRST BUSINESS FINANCIAL SERVICES, INC. | $FBIZ | CHAMBAS COREY A | CEO | F | Common Stock | 1989 | $36.06 | 161,787.0000 | 8,314,778 | 1.21% | 0.02% |
| Feb. 16, 2024 | FIRST BUSINESS FINANCIAL SERVICES, INC. | $FBIZ | CHAMBAS COREY A | CEO | A | Common Stock | 3515 | $0.00 | 163,776.0000 | 8,314,778 | 2.19% | 0.04% |
| Jan. 5, 2024 | FIRST BUSINESS FINANCIAL SERVICES, INC. | $FBIZ | CHAMBAS COREY A | CEO | G | Common Stock | 128 | $0.00 | 160,261.0000 | 8,314,778 | 0.08% | 0.00% |