
Old Second Bancorp
Old Second Bancorp, Inc. is a bank holding company. It engages in the provision of traditional retail and commercial banking services through its wholly owned subsidiaries. Its services includes personal banking, loans, business banking, and wealth management. The firm operates through the community banking segment. The company was founded in 1981 and is headquartered in Aurora, IL.
What If You Bought OSBC Earlier?
Estimate based on split history only. Excludes dividends, fees, taxes, and intraday movement.
Stock Split History
Newest split first. Cumulative multiple = compounded growth from that date to today.
| Split Date | Price Before | Ratio | Split Multiple | Cumulative |
|---|---|---|---|---|
| Jul 29, 2004 | $25.83 | 2-for-1 | 2× | 6.666666666666666× |
| Jun 25, 2002 | $17.21 | 4-for-3 | 1.3333333333333333× | 3.333333333333333× |
| May 18, 1999 | — | 2-for-1 | 2× | 2.5× |
| Jun 18, 1996 | — | 5-for-4 | 1.25× | 1.25× |
Old Second Bancorp Market Cap Timeline
Validated annual market-cap history is available from 1996. Split markers cover all 4 recorded splits. Filled dots have market-cap data for that year; hollow dots mark split years outside market-cap source coverage.