Latest Stock Split Details
Key information about Columbia Banking System, Inc.'s most recent stock split
Split Date: 2004-05-10
Split Ratio: 21:20
Price Before Split: $24.02
Price After Split: $22.88
Developer API
Get COLB 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/COLB
Impact of the Stock Split
Understanding what this means for shareholders
- The total value of your investment remains the same
- You now own 1.05 times more shares (a 21:20 ratio)
- The price per share is reduced proportionally
Historical Stock Splits
A comprehensive history of Columbia Banking System, Inc.'s stock splits
| Date | Ratio | Is Reverse Split | Price Before Split | Price After Split |
|---|---|---|---|---|
| 2004-05-10 | 21:20 | No | $24.02 | $22.88 |
| 2002-04-12 | 21:20 | No | $13.12 | $12.50 |
| 2001-05-24 | 11:10 | No | $14.50 | $13.19 |
| 2000-05-08 | 11:10 | No | $13.13 | $11.93 |
| 1999-05-10 | 21:20 | No | $18.38 | $17.50 |
| 1998-05-21 | 3:2 | No | $37.50 | $25.00 |
| 1997-05-06 | 21:20 | No | $17.58 | $16.75 |
| 1996-05-06 | 21:20 | No | $15.43 | $14.69 |
About Columbia Banking System, Inc.
Company overview and industry information
Columbia Banking System, Inc. (COLB) operates in the Banks - Regional industry. The recent 21-for-20 stock split reflects the company's growth and strategy to make shares more accessible to a broader range of investors.
Banks - Regional
Go to Columbia Banking System, Inc. Summary