Doug Black - 25 Jul 2025 Form 4 Insider Report for SiteOne Landscape Supply, Inc. (SITE)

Reporting relationship: CEO, Director
Issuer ticker: SITE
Reported as of: 25 Jul 2025
Net transaction value: -$400,330
SEC form: 4
Accepted by SEC: 29 Jul 2025, 16:05:18 UTC
Prior SEC filing: 14 Jul 2025
Next SEC filing: 04 Aug 2025
Source filing: View source filing
Reporting owner signature: /s/ John Guthrie, attorney-in-fact for Doug Black

Key filing fact

Doug Black filed Form 4 for SiteOne Landscape Supply, Inc. (SITE) on 29 Jul 2025.

Key facts

This page summarizes Doug Black's Form 4 filing for SiteOne Landscape Supply, Inc. (SITE).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 29 Jul 2025, 16:05.

Change

Previous filing in this sequence was filed on 14 Jul 2025.
Current net transaction value: -$400,330.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001672083 Primary reporting owner

BLACK DOUG

Relationship: CEO, Director
Address: MANSELL OVERLOOK, 300 COLONIAL CENTER PARKWAY, SUITE 600, ROSWELL
Signature: /s/ John Guthrie, attorney-in-fact for Doug Black
Signature date: 29 Jul 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

SITE transaction

Common Stock

Options Exercise

Transaction value: $575,022
Shares: +11,146
Change %: +1.9%
Price: $51.59
Shares after: 607,830
Date: 25 Jul 2025
Ownership: Direct

SITE transaction

Common Stock

Sale

Transaction value: $975,353
Shares: -7,384
Change %: -1.2%
Price: $132.09
Shares after: 600,446
Date: 25 Jul 2025
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

SITE transaction Derivative

Stock Options (right to buy)

Options Exercise

Transaction value: $0
Shares: +11,146
Change %
Price: $0.000000
Shares after: 0
Date: 25 Jul 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 11,146
Exercise price: $51.59
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 2 footnotes

Footnote F1

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 sales plan adopted by the Reporting Person on November 27, 2024.

Footnote F2

66,873 options were granted on February 6, 2019, and vested and became exercisable ratably in four installments on each anniversary of February 6, 2019. Prior to the transactions reported on this Form 4, 11,146 of these options that remain outstanding had vested.