# EDGAR Filing Document

**Accession Number:** 0000809707
**File Stem:** 0001741773-25-002668
**Filing Date:** 2025-7
**Character Count:** 2453
**Document Hash:** 830687697ad9cddb03a47985dae9c24b
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001741773-25-002668.hdr.sgml**: 20250709

**ACCESSION NUMBER**: 0001741773-25-002668

**CONFORMED SUBMISSION TYPE**: 497

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250709

**DATE AS OF CHANGE**: 20250709

**EFFECTIVENESS DATE**: 20250709

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Franklin Investors Securities Trust
- **CENTRAL INDEX KEY:** 0000809707

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** FL
- **FISCAL YEAR END:** 1031

**FILING VALUES:**
- **FORM TYPE:** 497
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-11444
- **FILM NUMBER:** 251112741

**BUSINESS ADDRESS:**
- **STREET 1:** ONE FRANKLIN PARKWAY
- **CITY:** SAN MATEO
- **STATE:** CA
- **ZIP:** 94403-1906
- **BUSINESS PHONE:** 650-312-2200

**MAIL ADDRESS:**
- **STREET 1:** ONE FRANKLIN PARKWAY
- **CITY:** SAN MATEO
- **STATE:** CA
- **ZIP:** 94403-1906

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** FRANKLIN INVESTORS SECURITIES TRUST
- **DATE OF NAME CHANGE:** 19920703

## Series and Classes Contracts Data

### FRANKLIN CONVERTIBLE SECURITIES FUND (Series ID: S000006851)

---

|  |  |  |
|:---|:---|:---|
| Class Name    | Ticker Symbol | Class ID   |
| Class A       | FISCX         | C000018511 |
| Class C       | FROTX         | C000018512 |
| Advisor Class | FCSZX         | C000064442 |
| Class R6      | FCSKX         | C000141439 |

---

## Series and Classes Contracts Data

### FRANKLIN CONVERTIBLE SECURITIES FUND (Series ID: S000006851)

| Class ID   | Class Name    | Ticker Symbol   |
|:---|:---|:---|
| C000018511 | Class A       | FISCX           |
| C000018512 | Class C       | FROTX           |
| C000064442 | Advisor Class | FCSZX           |
| C000141439 | Class R6      | FCSKX           |

#### FIST1-P2 07/25

#### FRANKLIN INVESTORS SECURITIES TRUST

#### SUPPLEMENT DATED JULY 9, 2025

#### TO THE SUMMARY PROSPECTUS AND

#### PROSPECTUS DATED MARCH 1, 2025, OF

#### FRANKLIN CONVERTIBLE SECURITIES FUND (THE "FUND")
<br>**Effective, September 2, 2025, the Fund will reopen to new investors. Accordingly, the first paragraph of the section titled "Franklin Convertible Securities Fund - Fund Summary" of the Fund's Summary Prospectus and Prospectus and the first paragraph of the section titled "Your Account - Buying Shares" of the Fund's Prospectus are hereby deleted in their entirety.**

#### Please retain this supplement for future reference.

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