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Filing Detail
Form 425 - Prospectuses and communications, business combinations:
SEC Accession No. 0001193125-10-220979
Filing Date
2010-09-30
Accepted
2010-09-30 15:40:21
Documents
2

Document Format Files

Seq Description Document Type Size
1 COLUMBIA FUNDS SERIES TRUST d425.htm 425 18535
2 GRAPHIC g103137g83z37.jpg GRAPHIC 25262
  Complete submission text file 0001193125-10-220979.txt   57268

Series and Classes/Contracts Information:

Merger
  Status Name Ticker Symbol
CIK 0001097519 acquiring    
Series S000010792   Columbia Mid Cap Value Fund
CIK 0000049717 target    
Series S000011670   RiverSource Disciplined Small and Mid Cap Equity Fund
Class/Contract C000032029   RiverSource Disciplined Small and Mid Cap Equity Fund Class A RDSAX
Class/Contract C000032030   RiverSource Disciplined Small and Mid Cap Equity Fund Class B
Class/Contract C000032031   RiverSource Disciplined Small and Mid Cap Equity Fund Class C RDSCX
Class/Contract C000032032   RiverSource Disciplined Small and Mid Cap Equity Fund Class I RDSIX
Class/Contract C000042782   RiverSource Disciplined Small and Mid Cap Equity Fund Class R4
Class/Contract C000042783   RiverSource Disciplined Small and Mid Cap Equity Fund Class W RSEWX
Mailing Address 50606 AMERIPRISE FINANCIAL CENTER H27/5228 MINNEAPOLIS MN 55474
Business Address 50606 AMERIPRISE FINANCIAL CENTER H27/5228 MINNEAPOLIS MN 55474 612-671-4321
RIVERSOURCE DIMENSIONS SERIES INC (Subject) CIK: 0000049717 (see all company filings)

IRS No.: 410940846 | State of Incorp.: MN | Fiscal Year End: 0731
Type: 425 | Act: 34 | File No.: 811-01629 | Film No.: 101099210

Mailing Address ONE FINANCIAL CENTER BOSTON MA 02111
Business Address ONE FINANCIAL CENTER BOSTON MA 02111 6174263750
COLUMBIA FUNDS SERIES TRUST (Filed by) CIK: 0001097519 (see all company filings)

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 0331
Type: 425