# EDGAR Filing Document

**Accession Number:** 0000773757
**File Stem:** 0001193125-25-150244
**Filing Date:** 2025-6
**Character Count:** 2280
**Document Hash:** 9cb515e99bd8c3e76297cb89c8aa37c0
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-150244.hdr.sgml**: 20250627

**ACCESSION NUMBER**: 0001193125-25-150244

**CONFORMED SUBMISSION TYPE**: 497K

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250627

**DATE AS OF CHANGE**: 20250627

**EFFECTIVENESS DATE**: 20250627

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** COLUMBIA FUNDS SERIES TRUST I
- **CENTRAL INDEX KEY:** 0000773757

**ORGANIZATION NAME:**
- **EIN:** 363376651
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 0630

**FILING VALUES:**
- **FORM TYPE:** 497K
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 002-99356
- **FILM NUMBER:** 251083033

**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:** COLUMBIA FUNDS TRUST IX
- **DATE OF NAME CHANGE:** 20031107

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** LIBERTY STEIN ROE FUNDS MUNICIPAL TRUST
- **DATE OF NAME CHANGE:** 19991025

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** STEINROE MUNICIPAL TRUST
- **DATE OF NAME CHANGE:** 19920703

## Series and Classes Contracts Data

### Multi-Manager Small Cap Equity Strategies Fund (Series ID: S000036206)

| Class ID   | Class Name                                                         | Ticker Symbol   |
|:---|:---|:---|
| C000179756 | Multi-Manager Small Cap Equity Strategies Fund Institutional Class | CZMSX           |

**Supplement dated June 27, 2025**

to the Prospectus and Summary Prospectus, each as supplemented, of the following fund (the Fund):

---

| | |
|:---|:---|
| **Fund** | **Prospectus and Summary Prospectus**  |
| Columbia Funds Series Trust I |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Multi-Manager Small Cap Equity Strategies Fund | 1/1/25 |

---

Joseph Monahan, Managing Partner and Portfolio Manager on the Conestoga Capital Advisors, LLC (Conestoga) sleeve of the Fund, is stepping down as Co-Portfolio Manager on December 31, 2025, and he will be retiring from Conestoga in late 2026.

*Shareholders should retain this Supplement for future reference.*

SUP102_08_016_(06/25)

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