# EDGAR Filing Document

**Accession Number:** 0001650729
**File Stem:** 0001104659-26-038880
**Filing Date:** 2026-4
**Character Count:** 2256
**Document Hash:** d30036afdf0cee00e19f173688bda7c2
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-26-038880.hdr.sgml**: 20260402

**ACCESSION NUMBER**: 0001104659-26-038880

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20260402

**DATE AS OF CHANGE**: 20260402

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** SiteOne Landscape Supply, Inc.
- **CENTRAL INDEX KEY:** 0001650729
- **STANDARD INDUSTRIAL CLASSIFICATION:** WHOLESALE-PROFESSIONAL & COMMERCIAL EQUIPMENT & SUPPLIES [5040]
- **ORGANIZATION NAME:** 07 Trade & Services
- **EIN:** 364485550
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1228

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-37760
- **FILM NUMBER:** 26830690

**BUSINESS ADDRESS:**
- **STREET 1:** MANSELL OVERLOOK
- **STREET 2:** 300 COLONIAL CENTER PARKWAY, SUITE 600
- **CITY:** ROSWELL
- **STATE:** GA
- **ZIP:** 30076
- **BUSINESS PHONE:** (470) 277-7000

**MAIL ADDRESS:**
- **STREET 1:** MANSELL OVERLOOK
- **STREET 2:** 300 COLONIAL CENTER PARKWAY, SUITE 600
- **CITY:** ROSWELL
- **STATE:** GA
- **ZIP:** 30076

**UNITED STATES<br> SECURITIES AND EXCHANGE COMMISSION<br> WASHINGTON, D.C. 20549**

**SCHEDULE 14A**

Proxy Statement Pursuant to Section 14(a) of the<br> Securities Exchange Act of 1934 (Amendment No.)

Filed by the Registrant ⌧ <br> Filed by a Party other than the Registrant ◻

Check the appropriate box:

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| | |
|:---|:---|
| ¨ | Preliminary Proxy Statement |
| ◻ | **Confidential, for use of the Commission only (as permitted by Rule 14A-6(E)(2))** |
| ◻ | Definitive Proxy Statement |
| ⌧ | Definitive Additional Materials |
| ◻ | Soliciting Material Pursuant to Section 240.14a-12 |

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**SiteOne Landscape Supply, Inc.**

**(Name of Registrant as Specified In Its Charter)**

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

Payment of Filing Fee (Check the appropriate box):

---

| | |
|:---|:---|
| ⌧ | No fee required. |
| ◻ | Fee paid previously with preliminary materials. |
| ◻ | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a6(i)(1) and 0-11 |

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