DOUG BLACK - 07 Feb 2026 Form 4 Insider Report for SiteOne Landscape Supply, Inc. (SITE)

Signature
/s/ Travis Jackson, Attorney-in-fact for Doug Black
Issuer symbol
SITE
Transactions as of
07 Feb 2026
Net transactions value
-$145,060
Form type
4
Filing time
10 Feb 2026, 16:52:40 UTC
Previous filing
09 Feb 2026
Next filing
11 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
BLACK DOUG CEO, Director MANSELL OVERLOOK, 300 COLONIAL CENTER PARKWAY, SUITE 600, ROSWELL /s/ Travis Jackson, Attorney-in-fact for Doug Black 10 Feb 2026 0001672083

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SITE Common Stock Options Exercise +3,094 +0.63% 491,090 07 Feb 2026 Direct F1
transaction SITE Common Stock Tax liability $145,060 -967 -0.2% $150.01 490,123 07 Feb 2026 Direct
holding SITE Common Stock 3,591 07 Feb 2026 By Family Trust F2
holding SITE Common Stock 93,675 07 Feb 2026 By SLAT

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction SITE Restricted Stock Units Options Exercise $0 -3,094 -33% $0.000000 6,187 07 Feb 2026 Common Stock 3,094 Direct F1, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Filed to report vesting of Restricted Stock Units ("RSUs"). RSUs convert into common stock on a one-for-one basis.
F2 Reflects indirect ownership by a family trust for which the Reporting Person's spouse serves as trustee.
F3 On February 7, 2024, the Reporting Person was granted 12,375 RSUs, vesting in four equal annual installments beginning on February 7, 2025, subject to the Reporting Person's continued employment.