# EDGAR Filing Document

**Accession Number:** 0000898031
**File Stem:** 0000930413-25-003510
**Filing Date:** 2025-11
**Character Count:** 5306
**Document Hash:** 9ef3b855047ff06169c01a46d00fd8ff
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000930413-25-003510.hdr.sgml**: 20251125

**ACCESSION NUMBER**: 0000930413-25-003510

**CONFORMED SUBMISSION TYPE**: 497K

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251125

**DATE AS OF CHANGE**: 20251125

**EFFECTIVENESS DATE**: 20251125

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** LORD ABBETT SECURITIES TRUST
- **CENTRAL INDEX KEY:** 0000898031

**ORGANIZATION NAME:**
- **EIN:** 133712440
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1031

**FILING VALUES:**
- **FORM TYPE:** 497K
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 033-58846
- **FILM NUMBER:** 251521678

**BUSINESS ADDRESS:**
- **STREET 1:** 30 HUDSON STREET
- **CITY:** JERSEY CITY
- **STATE:** NJ
- **ZIP:** 07302
- **BUSINESS PHONE:** 201-827-2000

**MAIL ADDRESS:**
- **STREET 1:** 30 HUDSON STREET
- **CITY:** JERSEY CITY
- **STATE:** NJ
- **ZIP:** 07302

## Series and Classes Contracts Data

### Lord Abbett International Value Fund (Series ID: S000022492)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000065058 | Class A      | LIDAX           |
| C000065060 | Class C      | LIDCX           |
| C000065061 | Class F      | LIDFX           |
| C000065062 | Class I      | LAIDX           |
| C000065063 | Class R2     | LIDRX           |
| C000065064 | Class R3     | LIRRX           |
| C000155682 | Class R4     | LIRSX           |
| C000155683 | Class R5     | LIRTX           |
| C000155684 | Class R6     | LIRVX           |
| C000184539 | Class F3     | LIDOX           |

**LORD ABBETT SECURITIES TRUST**

**Lord Abbett International Value Fund**

**Supplement dated November 25, 2025 to the**

**Summary Prospectus, Prospectus and Statement of Additional Information, each dated** 

**March 1, 2025, as supplemented**

**The following changes are effective December 4, 2025:**

**The following table replaces the table in the subsection under "International Value Fund—Management—Portfolio Managers" on page 10 of the summary prospectus and page 113 of the statutory prospectus:**

---

| | |
|:---|:---|
| **Portfolio Managers/Title** | &nbsp;&nbsp;**Member of the Portfolio<br> Management Team Since** |
| &nbsp;&nbsp;Vincent J. McBride, Partner and Portfolio Manager | &nbsp;&nbsp;2008 |
| &nbsp;&nbsp;Ryan C. Howard, Partner and Portfolio Manager | &nbsp;&nbsp;2008 |

---

**The following paragraph replaces the corresponding paragraph under "Management and Organization of the Funds" beginning on page 216 of the statutory prospectus**:

**International Value Fund.** Vincent J. McBride, Partner and Portfolio Manager, heads the Fund's team. Mr. McBride joined Lord Abbett in 2003. An additional member of the Fund's team is Ryan C. Howard, Partner and Portfolio Manager. Mr. Howard joined Lord Abbett in 2003. Messrs. McBride and Howard are jointly and primarily responsible for the day-to-day management of the Fund.

**The following rows replace the applicable rows of the corresponding table under the heading "International Value Fund" in the subsection titled "Portfolio Manager Information—Other Accounts Managed" on page 7-2 of the statement of additional information ("SAI"):**

---

| | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|
|  | &nbsp;&nbsp; <br> **Number of Registered Investment Companies** | &nbsp;&nbsp; <br>**Total Assets ($MM)** | &nbsp;&nbsp;**Number of Other Pooled Investment Vehicles** | &nbsp;&nbsp; <br>**Total Assets ($MM)** | &nbsp;&nbsp; <br>**Number of Other Accounts** | &nbsp;&nbsp; <br>**Total Assets ($MM)** |
| &nbsp;&nbsp;**International Value Fund** |  |  |  |  |  |  |
| Vincent J. McBride | &nbsp;&nbsp;1 | &nbsp;&nbsp;312.90 | &nbsp;&nbsp;1 | &nbsp;&nbsp;109.96 | &nbsp;&nbsp;0 | &nbsp;&nbsp;0 |
| Ryan C. Howard | &nbsp;&nbsp;2 | &nbsp;&nbsp;6294.76 | &nbsp;&nbsp;1 | &nbsp;&nbsp;9.84 | &nbsp;&nbsp;1 | &nbsp;&nbsp;18.47 |

---

**The following rows replace the applicable rows of the corresponding table under the heading "International Value Fund" in the subsection titled "Portfolio Manager Information—Holdings of Portfolio Managers" on page 7-3 of the SAI:**

---

| | |
|:---|:---|
| &nbsp;&nbsp;**Ownership of Securities** | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Aggregate Dollar Range of Securities** |
| &nbsp;&nbsp;**International Value Fund** |  |
| &nbsp;&nbsp;Vincent J. McBride | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Over $1,000,000 |
| &nbsp;&nbsp;Ryan C. Howard | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;$10001-$50000 |

---

 ****

 

*Capitalized terms used in this Supplement shall, unless otherwise defined herein, have the same meaning as given in the Prospectus and/or SAI.*

 

 

***Please retain this document for your future reference.***

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