# EDGAR Filing Document

**Accession Number:** 0001318342
**File Stem:** 0001213900-25-060103
**Filing Date:** 2025-7
**Character Count:** 3132
**Document Hash:** 96419febe025d434be85b8d65218cbd9
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001213900-25-060103.hdr.sgml**: 20250701

**ACCESSION NUMBER**: 0001213900-25-060103

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250701

**DATE AS OF CHANGE**: 20250701

**EFFECTIVENESS DATE**: 20250701

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Investment Managers Series Trust
- **CENTRAL INDEX KEY:** 0001318342

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-122901
- **FILM NUMBER:** 251094975

**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

### Vaughan Nelson Emerging Markets Fund (Series ID: S000026080)

---

|  |  |  |
|:---|:---|:---|
| Class Name          | Ticker Symbol | Class ID   |
| Institutional Class | ADVMX         | C000078165 |
| Investor Class      | ADVKX         | C000216360 |

---

### Vaughan Nelson International Fund (Series ID: S000026082)

---

|  |  |  |
|:---|:---|:---|
| Class Name          | Ticker Symbol | Class ID   |
| Institutional Class | ADVLX         | C000135917 |
| Investor Class      | ADVJX         | C000216361 |

---

## Series and Classes Contracts Data

### Vaughan Nelson Emerging Markets Fund (Series ID: S000026080)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000078165 | Institutional Class | ADVMX           |
| C000216360 | Investor Class      | ADVKX           |

### Vaughan Nelson International Fund (Series ID: S000026082)

| Class ID   | Class Name          | Ticker Symbol   |
|:---|:---|:---|
| C000135917 | Institutional Class | ADVLX           |
| C000216361 | Investor Class      | ADVJX           |

**Vaughan Nelson Emerging Markets Fund**

Investor Class (Ticker Symbol: ADVKX)

Institutional Class (Ticker Symbol: ADVMX)

**Vaughan Nelson International Fund**

Investor Class (Ticker Symbol: ADVJX)

Institutional Class (Ticker Symbol: ADVLX)

***Each a series of Investment Managers Series Trust***

**Supplement dated July 1, 2025, to the currently effective**

**Prospectus and Statement of Additional Information ("SAI").**

Effective immediately, Marco Priani no longer serves as a portfolio manager to the Vaughan Nelson Emerging Markets Fund and the Vaughan Nelson International Fund (each a "Fund" and collectively, the "Funds"). Accordingly, all references in the Prospectus and SAI to Mr. Priani as a portfolio manager of the Funds are hereby deleted in their entirety. Adam C. Rich and Kevin A. Ross will continue to serve as portfolio managers of the Funds.

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