InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (1 ops.)
Insider track record
CEODisclosed buys
0
Disclosed sells
1
T+90 hit rate
50%
T+90 mean return
+8.6%
Across 8 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Discover the detailed record of transactions filed by CHAMBAS COREY A, Chairman & CEO. Insider active across 1 company, notably First Business Financial Services, INC.. In total, 20 disclosures have been published. Breakdown: 0 buy · 1 sell. Total volume traded: €1.8m. History available since 16 August 2021. The latest transaction was filed on 10 April 2026 (Retenue fiscale). Regulator: SEC (Form 4). The full history is accessible without signup.
Declarations20 total
10,370 shares0Common StockSEC:0000892712-26-000209:0
4,875 shares@ US$58.600.054% mcap7.5% of flowCommon StockSEC:0000892712-26-000209:1
10,240 shares0Common StockSEC:0001062993-25-007521:0
4,814 shares@ US$45.045.9% of flowCommon StockSEC:0001062993-25-007521:1
2,080 shares0Common StockSEC:0001062993-25-002842:0
40,000 shares@ US$48.812255.8% of flowCommon StockSEC:0001062993-24-018623:0
15,010 shares0Common StockSEC:0001062993-24-008707:0
7,055 shares@ US$34.307.0% of flowCommon StockSEC:0001062993-24-008707:1
3,515 shares0Common StockSEC:0001062993-24-003896:0
128 sharesCommon StockSEC:0001062993-24-000730:0
11,400 shares@ US$29.139.3% of flowCommon StockSEC:0001062993-23-009349:0
3,460 shares0Common StockSEC:0001062993-23-004240:0
482 shares@ US$36.410.5% of flowCommon StockSEC:0001062993-22-018358:0
13,340 shares@ US$33.000.091% mcap89.8% of flowCommon StockSEC:0001062993-22-010495:0
3,410 shares0Common StockSEC:0001062993-22-004939:0
3,410 shares0Common StockSEC:0001062993-22-004939
663 sharesCommon StockSEC:0001062993-21-011626:0
663 sharesCommon StockSEC:0001062993-21-011626
957 shares@ US$28.650.0052% mcap5.1% of flowCommon StockSEC:0000892712-21-000285:0
957 shares@ US$28.650.7% of flowCommon StockSEC:0000892712-21-000285
20 of 20 declarations
About CHAMBAS COREY A
Corey A. Chambas is the President and Chief Executive Officer of First Business Financial Services, Inc. He oversees all company operations and is responsible for implementing growth strategies. His experience in the banking sector enables him to lead the company toward innovation and market expansion.
