# EDGAR Filing Document

**Accession Number:** 0001121257
**File Stem:** 0001121257-26-000015
**Filing Date:** 2026-4
**Character Count:** 3931
**Document Hash:** d53b433f33446ec60a45f59c48c12969
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001121257-26-000015.hdr.sgml**: 20260428

**ACCESSION NUMBER**: 0001121257-26-000015

**CONFORMED SUBMISSION TYPE**: 497J

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20260428

**DATE AS OF CHANGE**: 20260428

**EFFECTIVENESS DATE**: 20260428

**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:** 497J
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-43300
- **FILM NUMBER:** 26903554

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

![](image_001.gif)

---

| | |
|:---|:---|
| &nbsp;&nbsp; 1 Corporate Way<br> Lansing, MI 48951<br> 517/381-5500 | &nbsp;&nbsp; 1 Corporate Way<br> Lansing, MI 48951<br> 517/381-5500 |
| &nbsp;&nbsp;April 28, 2026 | &nbsp;&nbsp;April 28, 2026 |
| &nbsp;&nbsp;**FILED VIA EDGAR** | &nbsp;&nbsp;**FILED VIA EDGAR** |
| &nbsp;&nbsp;Securities and Exchange Commission | &nbsp;&nbsp;Securities and Exchange Commission |
| &nbsp;&nbsp;100 F Street, N.E. | &nbsp;&nbsp;100 F Street, N.E. |
| &nbsp;&nbsp;Washington, D.C. 20549 | &nbsp;&nbsp;Washington, D.C. 20549 |
| &nbsp;&nbsp;Re: | &nbsp;&nbsp;JNL Investors Series Trust |
|  | &nbsp;&nbsp;File Nos: 333-43300 and 811-10041 |
| &nbsp;&nbsp;Dear Commissioners: | &nbsp;&nbsp;Dear Commissioners: |
| &nbsp;&nbsp;Pursuant to Rule 497(j) of Rule 497 of Regulation C, under the Securities Act of 1933, as amended, in lieu of filing under paragraph (c) of Rule 497, I hereby certify that the forms of the Prospectus and Statement of Additional Information, each dated April 27, 2026, for the above-captioned Registrant that would have been filed under paragraph (c) of Rule 497 of the Securities Act does not differ from that contained in the most recent post-effective amendment (Amendment No. 57) to the Registrant's Registration Statement on Form N-1A, which was filed electronically with the Securities and Exchange Commission pursuant to Rule 485(b) under the Securities Act on April 23, 2026 (Accession No. 0001999371-26-008804). | &nbsp;&nbsp;Pursuant to Rule 497(j) of Rule 497 of Regulation C, under the Securities Act of 1933, as amended, in lieu of filing under paragraph (c) of Rule 497, I hereby certify that the forms of the Prospectus and Statement of Additional Information, each dated April 27, 2026, for the above-captioned Registrant that would have been filed under paragraph (c) of Rule 497 of the Securities Act does not differ from that contained in the most recent post-effective amendment (Amendment No. 57) to the Registrant's Registration Statement on Form N-1A, which was filed electronically with the Securities and Exchange Commission pursuant to Rule 485(b) under the Securities Act on April 23, 2026 (Accession No. 0001999371-26-008804). |
| &nbsp;&nbsp;If you have any questions, please contact me at 517-574-2089. | &nbsp;&nbsp;If you have any questions, please contact me at 517-574-2089. |
| &nbsp;&nbsp;Sincerely, | &nbsp;&nbsp;Sincerely, |
| &nbsp;&nbsp;/s/ Emily J. Bennett | &nbsp;&nbsp;/s/ Emily J. Bennett |
| &nbsp;&nbsp;Emily J. Bennett | &nbsp;&nbsp;Emily J. Bennett |
| &nbsp;&nbsp;Vice President & Assistant Secretary | &nbsp;&nbsp;Vice President & Assistant Secretary |

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