# EDGAR Filing Document

**Accession Number:** 0001097519
**File Stem:** 0001193125-25-154523
**Filing Date:** 2025-7
**Character Count:** 5189
**Document Hash:** a361656ce23744b542fe396ff55a1b83
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-154523.hdr.sgml**: 20250702

**ACCESSION NUMBER**: 0001193125-25-154523

**CONFORMED SUBMISSION TYPE**: 497K

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250702

**DATE AS OF CHANGE**: 20250702

**EFFECTIVENESS DATE**: 20250702

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** COLUMBIA FUNDS SERIES TRUST
- **CENTRAL INDEX KEY:** 0001097519

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0331

**FILING VALUES:**
- **FORM TYPE:** 497K
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-89661
- **FILM NUMBER:** 251098746

**BUSINESS ADDRESS:**
- **STREET 1:** 290 CONGRESS STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02210
- **BUSINESS PHONE:** 800-345-6611

**MAIL ADDRESS:**
- **STREET 1:** 290 CONGRESS STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02210

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** NATIONS FUNDS TRUST
- **DATE OF NAME CHANGE:** 19991022

## Series and Classes Contracts Data

### Columbia Capital Allocation Moderate Conservative Portfolio (Series ID: S000010796)

| Class ID   | Class Name                                                                      | Ticker Symbol   |
|:---|:---|:---|
| C000029869 | Columbia Capital Allocation Moderate Conservative Portfolio Class A             | NLGAX           |
| C000029871 | Columbia Capital Allocation Moderate Conservative Portfolio Class C             | NIICX           |
| C000029872 | Columbia Capital Allocation Moderate Conservative Portfolio Class R             | CLIRX           |
| C000029873 | Columbia Capital Allocation Moderate Conservative Portfolio Institutional Class | NIPAX           |

**Supplement dated July 2, 2025**

to the Prospectus and Summary Prospectuses of each of the following funds (each, a Fund, and collectively, the Funds):

---

| | |
|:---|:---|
| **Fund** | **Prospectus and Summary Prospectus Dated** |
| Columbia Funds Series Trust |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Columbia Capital Allocation Moderate Aggressive Portfolio | &nbsp;&nbsp;&nbsp;&nbsp; 06/01/2025 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Columbia Capital Allocation Moderate Conservative Portfolio | &nbsp;&nbsp;&nbsp;&nbsp; 06/01/2025 |
| Columbia Funds Series Trust II |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Columbia Capital Allocation Aggressive Portfolio | &nbsp;&nbsp;&nbsp;&nbsp; 06/01/2025 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Columbia Capital Allocation Conservative Portfolio | &nbsp;&nbsp;&nbsp;&nbsp; 06/01/2025 |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Columbia Capital Allocation Moderate Portfolio | &nbsp;&nbsp;&nbsp;&nbsp; 06/01/2025 |

---

*Effective August 1, 2025, the Blended Benchmark for each Fund in the Prospectus and each Fund's Summary Prospectus will be revised as follows:* 

**For Columbia Capital Allocation Conservative Portfolio**

**Blended Benchmark (consisting of 75% Bloomberg U.S. Aggregate Bond Index, 20% Russell 3000**<sup>®</sup> **Index and 5% MSCI EAFE + Emerging Markets Index (Net)** (reflects reinvested dividends net of withholding taxes on the MSCI EAFE + Emerging Markets Index portion of the Blended Benchmark, and for all indexes reflects no deductions for fees, expenses or other taxes)

**For Columbia Capital Allocation Moderate Conservative Portfolio**

**Blended Benchmark (consisting of 60% Bloomberg U.S. Aggregate Bond Index, 30% Russell 3000**<sup>®</sup> **Index and 10% MSCI EAFE + Emerging Markets Index (Net)** (reflects reinvested dividends net of withholding taxes on the MSCI EAFE + Emerging Markets Index portion of the Blended Benchmark, and for all indexes reflects no deductions for fees, expenses or other taxes)

**For Columbia Capital Allocation Moderate Portfolio**

**Blended Benchmark (consisting of 45% Bloomberg U.S. Aggregate Bond Index, 40% Russell 3000**<sup>®</sup> **Index and 15% MSCI EAFE + Emerging Markets Index (Net)** (reflects reinvested dividends net of withholding taxes on the MSCI EAFE + Emerging Markets Index portion of the Blended Benchmark, and for all indexes reflects no deductions for fees, expenses or other taxes)

**For Columbia Capital Allocation Moderate Aggressive Portfolio**

**Blended Benchmark (consisting of 50% Russell 3000**<sup>®</sup> **Index, 35% Bloomberg U.S. Aggregate Bond Index, and 15% MSCI EAFE + Emerging Markets Index (Net)** (reflects reinvested dividends net of withholding taxes on the MSCI EAFE + Emerging Markets Index portion of the Blended Benchmark, and for all indexes reflects no deductions for fees, expenses or other taxes)

**For Columbia Capital Allocation Aggressive Portfolio**

**Blended Benchmark (consisting of 60% Russell 3000**<sup>®</sup> **Index, 20% Bloomberg U.S. Aggregate Bond Index, and 20% MSCI EAFE + Emerging Markets Index (Net)** (reflects reinvested dividends net of withholding taxes on the MSCI EAFE + Emerging Markets Index portion of the Blended Benchmark, and for all indexes reflects no deductions for fees, expenses or other taxes)

*Shareholders should retain this Supplement for future reference.*

SUP000_00_174_(07/25)

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