# EDGAR Filing Document

**Accession Number:** 0001121257
**File Stem:** 0001121257-25-000010
**Filing Date:** 2025-8
**Character Count:** 3154
**Document Hash:** 13ce47fdeb82a257a0d5d62f393222f5
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001121257-25-000010.hdr.sgml**: 20250829

**ACCESSION NUMBER**: 0001121257-25-000010

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20250829

**DATE AS OF CHANGE**: 20250829

**EFFECTIVENESS DATE**: 20250829

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** JNL INVESTORS SERIES TRUST
- **CENTRAL INDEX KEY:** 0001121257

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-43300
- **FILM NUMBER:** 251276534

**BUSINESS ADDRESS:**
- **STREET 1:** 1 CORPORATE WAY
- **STREET 2:** ATTN: LEGAL DEPARTMENT
- **CITY:** LANSING
- **STATE:** MI
- **ZIP:** 48951
- **BUSINESS PHONE:** (517)381-5500

**MAIL ADDRESS:**
- **STREET 1:** 1 CORPORATE WAY
- **STREET 2:** 8N41
- **CITY:** LANSING
- **STATE:** MI
- **ZIP:** 48951

## Series and Classes Contracts Data

### JNL GOVERNMENT MONEY MARKET FUND (Series ID: S000001684)

---

|  |  |
|:---|:---|
| Class Name                                  | Class ID   |
| JNL Government Money Market Fund (Class I)  | C000004572 |
| JNL Government Money Market Fund (Class SL) | C000243435 |

---

## Series and Classes Contracts Data

### JNL GOVERNMENT MONEY MARKET FUND (Series ID: S000001684)

| Class ID   | Class Name                                  | Ticker Symbol   |
|:---|:---|:---|
| C000004572 | JNL Government Money Market Fund (Class I)  |  |
| C000243435 | JNL Government Money Market Fund (Class SL) |  |

#### Supplement Dated August 29, 2025

#### To The Statement of Additional Information

#### Dated April 28, 2025

#### JNL<sup>®</sup> Investors Series Trust

*Effective August 15, 2025, in the section, "**Trustees and Officers of the Trust**," please delete the table rows for Garret J. Childs in the entirety and replace with the following:*

---

| | |
|:---|:---|
| **Name, Address, and (Age)** | **Position(s) Held with Trust**<br> **(Length of Time Served)** |
| ***Officers*** | ***Officers*** |
| <br>Garett J. Childs (45)<br> 1 Corporate Way<br> Lansing, MI 48951<br>| <br>Vice President<br> (2/2019 to present) |
| **Principal Occupation(s) During Past 5 Years:** <br> Chief Financial Officer of JNAM (8/2021 to present); Vice President, Finance and Risk of JNAM (2/2019 to present); Manager, Board of Managers of Jackson National Life Distributors LLC (8/2025 to present); Controller of JNAM (11/2007 to 8/2021); Vice President of other investment companies advised by JNAM (11/2023 to present, 6/2023 to present, 2/2019 to present, and 2/2019 to 12/2020) | **Principal Occupation(s) During Past 5 Years:** <br> Chief Financial Officer of JNAM (8/2021 to present); Vice President, Finance and Risk of JNAM (2/2019 to present); Manager, Board of Managers of Jackson National Life Distributors LLC (8/2025 to present); Controller of JNAM (11/2007 to 8/2021); Vice President of other investment companies advised by JNAM (11/2023 to present, 6/2023 to present, 2/2019 to present, and 2/2019 to 12/2020) |

---

*This Supplement is dated August 29, 2025.*