# EDGAR Filing Document

**Accession Number:** 0001318342
**File Stem:** 0001398344-23-000025
**Filing Date:** 2023-1
**Character Count:** 2008
**Document Hash:** 307d3515a688628c648f30b178496996
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001398344-23-000025.hdr.sgml**: 20230103

**ACCESSION NUMBER**: 0001398344-23-000025

**CONFORMED SUBMISSION TYPE**: 497K

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20230103

**DATE AS OF CHANGE**: 20230103

**EFFECTIVENESS DATE**: 20230103

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Investment Managers Series Trust
- **CENTRAL INDEX KEY:** 0001318342
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** DE

**FILING VALUES:**
- **FORM TYPE:** 497K
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-122901
- **FILM NUMBER:** 23501169

**BUSINESS ADDRESS:**
- **STREET 1:** 235 WEST GALENA STREET
- **CITY:** MILWAUKEE
- **STATE:** WI
- **ZIP:** 53212
- **BUSINESS PHONE:** 626-914-4141

**MAIL ADDRESS:**
- **STREET 1:** 235 WEST GALENA STREET
- **CITY:** MILWAUKEE
- **STATE:** WI
- **ZIP:** 53212

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Claymore Trust
- **DATE OF NAME CHANGE:** 20050603

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Claymore Equity Trust
- **DATE OF NAME CHANGE:** 20050218

## Series and Classes Contracts Data

### Riverbridge Growth Fund (Series ID: S000039554)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000121983 | Institutional Class | RIVBX           |
| C000121984 | Investor Class      | RIVRX           |

**Riverbridge Growth Fund**

Investor Class (Ticker Symbol: RIVRX)

Institutional Class (Ticker Symbol: RIVBX)

*A series of Investment Managers Series Trust* 

**Supplement dated January 3, 2023, to the**

**Summary Prospectus dated April 1, 2022.**

Effective January 1, 2023, Mark A. Thompson and Rick D. Moulton, CFA, will no longer serve as portfolio managers to the Riverbridge Growth Fund (the "Fund"). Accordingly, all references in the Summary Prospectus to Messrs. Thompson and Moulton are hereby deleted in their entirety. Ross Johnson, CFA, will continue to serve as portfolio manager of the Fund.

***Please file this Supplement with your records****.*