# EDGAR Filing Document

**Accession Number:** 0000773757
**File Stem:** 0001193125-26-017383
**Filing Date:** 2026-1
**Character Count:** 3895
**Document Hash:** 8ef71eca73a557d485517f7859fc7ce5
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-017383.hdr.sgml**: 20260121

**ACCESSION NUMBER**: 0001193125-26-017383

**CONFORMED SUBMISSION TYPE**: 497K

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260121

**DATE AS OF CHANGE**: 20260121

**EFFECTIVENESS DATE**: 20260121

**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:** 26545106

**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 Alternative Strategies Fund (Series ID: S000036207)

| Class ID   | Class Name                                                    | Ticker Symbol   |
|:---|:---|:---|
| C000179757 | Multi-Manager Alternative Strategies Fund Institutional Class | CZAMX           |

**Supplement dated January 21, 2026**

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

---

| | |
|:---|:---|
| **Fund** | **Prospectus and Summary Prospectus Dated** |
| Columbia Funds Series Trust I |  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Multi-Manager Alternative Strategies Fund | 1/1/2026 |

---

*Effective immediately, the following changes are hereby made to the Fund's Prospectus and Summary Prospectus.*

*The portfolio manager information for Crabel Capital Management, LLC (Crabel)) under the heading "Fund Management" in the Summary Prospectus and in the "Summary of the Fund" section of the Prospectus is hereby superseded and replaced with the following:*

**Subadviser:** Crabel Capital Management, LLC (Crabel)

---

| | | | |
|:---|:---|:---|:---|
| **Portfolio Management** | **Title** | **Role with Fund** | **Managed Fund Since** |
| Michael Pomada | &nbsp;&nbsp;&nbsp;&nbsp; President and Chief Executive Officer of <br> Crabel<br>| Portfolio Manager | 2022 |

---

*The rest of the section remains the same.*

*The portfolio manager information for Crabel under the heading "Primary Service Provider Contracts – Portfolio Managers" in the "More Information About the Fund" section of the Prospectus is hereby superseded and replaced with the following:*

**Subadviser:** Crabel Capital Management, LLC (Crabel)

---

| | | | |
|:---|:---|:---|:---|
| **Portfolio Management** | **Title** | **Role with Fund** | **Managed Fund Since** |
| Michael Pomada | &nbsp;&nbsp;&nbsp;&nbsp; President and Chief Executive Officer of <br> Crabel<br>| Portfolio Manager | 2022 |

---

**Mr. Pomada** is the President and Chief Executive Officer and a member of the Leadership Committee and Management Committee at Crabel. He graduated from the University of California at Berkeley and earned an M.B.A. from the University of Southern California with a concentration in investments and statistics. Mr. Pomada joined Crabel in April 2008 and became Chief Operating Officer in June 2011. Mr. Pomada took an active role in helping Mr. Crabel lead the overall business and in July 2016 he was promoted to CEO and President.

*The rest of the section remains the same.*

*Shareholders should retain this Supplement for future reference.*

SUP100_08_024_(01/26)

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