Doug Black - 10 Feb 2026 Form 4 Insider Report for SiteOne Landscape Supply, Inc. (SITE)

Reporting relationship: CEO, Director
Issuer ticker: SITE
Reported as of: 10 Feb 2026
Net transaction value: -$104,444
SEC form: 4
Accepted by SEC: 12 Feb 2026, 16:05:09 UTC
Prior SEC filing: 11 Feb 2026
Next SEC filing: 17 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ Travis Jackson, Attorney-in-fact for Doug Black

Key filing fact

Doug Black filed Form 4 for SiteOne Landscape Supply, Inc. (SITE) on 12 Feb 2026.

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: 12 Feb 2026, 16:05.

Change

Previous filing in this sequence was filed on 11 Feb 2026.
Current net transaction value: -$104,444.

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/ Travis Jackson, Attorney-in-fact for Doug Black
Signature date: 12 Feb 2026

Reported non-derivative transactions

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

SITE transaction

Common Stock

Options Exercise

Transaction value
Shares: +1,579
Change %: +0.32%
Price
Shares after: 492,863
Date: 10 Feb 2026
Ownership: Direct
Footnotes: F1

SITE transaction

Common Stock

Tax liability

Transaction value: $104,444
Shares: -702
Change %: -0.14%
Price: $148.78
Shares after: 492,161
Date: 10 Feb 2026
Ownership: Direct

SITE holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 3,591
Date: 10 Feb 2026
Ownership: By Family Trust
Footnotes: F2

SITE holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 93,675
Date: 10 Feb 2026
Ownership: By SLAT

Reported derivative securities

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

SITE transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value: $0
Shares: -1,579
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 10 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,579
Exercise price
Footnotes: F1, F3

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Filed to report vesting of Restricted Stock Units ("RSUs"). RSUs convert into common stock on a one-for-one basis.

Footnote F2

Reflects indirect ownership by a family trust for which the Reporting Person's spouse serves as trustee.

Footnote F3

On February 10, 2022, the Reporting Person was granted 6,317 RSUs, vesting in four equal annual installments beginning on February 10, 2023, subject to the Reporting Person's continued employment.