Old Second Bancorp, Inc.

Old Second Bancorp, Inc.

OSBC
Old Second Bancorp, Inc.US flagNASDAQ Global Select
23.35
USD
-0.33
- -
1.20BMarket Cap

Old Second Bancorp, Inc. (OSBC) Stock Split History

Learn about Old Second Bancorp, Inc.'s most recent 2-for-1 basis stock split on July 29, 2004. Understand the impact on shareholders and the company's market position.

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Latest Stock Split Details

Key information about Old Second Bancorp, Inc.'s most recent stock split

Split Date: 2004-07-29
Split Ratio: 2:1
Price Before Split: $51.76
Price After Split: $25.88

Developer API

Get OSBC split history as JSON

Dates, ratios, split factors, and pre/post-split prices from a single REST call. Look up by ticker, CIK, CUSIP, or ISIN. Free tier, no scraping.

GETapi.roic.ai/v2/stock-splits/OSBC

Impact of the Stock Split

Understanding what this means for shareholders

  • The total value of your investment remains the same
  • You now own 2.00 times more shares (a 2:1 ratio)
  • The price per share is reduced proportionally

Historical Stock Splits

A comprehensive history of Old Second Bancorp, Inc.'s stock splits

DateRatioIs Reverse SplitPrice Before SplitPrice After Split
2004-07-292:1No$51.76$25.88
2002-06-254:3No$46.00$34.50
1999-05-182:1No$52.00$26.00
1996-06-185:4No$48.47$38.77

About Old Second Bancorp, Inc.

Company overview and industry information

Old Second Bancorp, Inc. (OSBC) operates in the Banks - Regional industry. The recent 2-for-1 stock split reflects the company's growth and strategy to make shares more accessible to a broader range of investors.

Banks - Regional
Go to Old Second Bancorp, Inc. Summary

Last updated: 7/22/2026

This information is for educational purposes only. Always consult with a financial advisor before making investment decisions.