# EDGAR Filing Document

**Accession Number:** 0001833197
**File Stem:** 0001140361-26-010487
**Filing Date:** 2026-3
**Character Count:** 2150
**Document Hash:** 84554717b3f5a90d41400b9afced11da
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001140361-26-010487.hdr.sgml**: 20260320

**ACCESSION NUMBER**: 0001140361-26-010487

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20260320

**DATE AS OF CHANGE**: 20260320

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Latham Group, Inc.
- **CENTRAL INDEX KEY:** 0001833197
- **STANDARD INDUSTRIAL CLASSIFICATION:** PLASTICS PRODUCTS, NEC [3089]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 832797583
- **STATE OF INCORPORATION:** NY
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-40358
- **FILM NUMBER:** 26776075

**BUSINESS ADDRESS:**
- **STREET 1:** 787 WATERVLIET SHAKER ROAD
- **CITY:** LATHAM
- **STATE:** NY
- **ZIP:** 12110
- **BUSINESS PHONE:** 800-833-3800

**MAIL ADDRESS:**
- **STREET 1:** 787 WATERVLIET SHAKER ROAD
- **CITY:** LATHAM
- **STATE:** NY
- **ZIP:** 12110

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Latham Topco, Inc.
- **DATE OF NAME CHANGE:** 20201120

#### UNITED STATES <br>

#### SECURITIES AND EXCHANGE COMMISSION <br>

#### Washington, D.C. 20549

### SCHEDULE 14A

#### Proxy Statement Pursuant to Section 14(a) of <br>

#### the Securities Exchange Act of 1934 (Amendment No.)
Filed by the Registrant ☒

Filed by a Party other than the Registrant ☐

Check the appropriate box:

☐ Preliminary Proxy Statement

☐ **Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))** 

☐ Definitive Proxy Statement

&nbsp;&nbsp;&nbsp;&nbsp;☒ Definitive Additional Materials

☐<br> Soliciting Material under §240.14a-12

### Latham Group, Inc.

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(Name of Registrant as Specified in Its Charter)

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(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check all boxes that apply):

☒<br> No fee required.

☐<br> Fee paid previously with preliminary materials.

☐<br> Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.

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