SiteOne (NYSE: SITE) CFO Form 4 shows 1,915-share stock sale

Rhea-AI Filing Summary

SiteOne Landscape Supply executive John Guthrie, who serves as EVP, CFO and Assistant Secretary, reported a sale of company stock. On 11/26/2025, he sold 1,915 shares of SiteOne common stock in an open-market transaction coded "S" at a weighted average price of $134.83 per share.

After this sale, Guthrie directly beneficially owns 13,569 shares of SiteOne common stock. The reported sale price reflects trades executed within a range of $134.70 to $135.00 per share, and detailed trade breakdowns are available upon request from the company, the SEC staff, or any security holder.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

GUTHRIE JOHN T

(Last) (First) (Middle)

MANSELL OVERLOOK

300 COLONIAL CENTER PARKWAY, SUITE 600

(Street)

ROSWELL GA 30076

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
SiteOne Landscape Supply, Inc. [ SITE ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP, CFO and Assistant Sec.

3. Date of Earliest Transaction (Month/Day/Year)
11/26/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/26/2025		S		1,915	D	$134.83(1)	13,569	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The price reported in column 4 is a weighted average price. The shares were sold at prices ranging from $134.70 to $135.00, inclusive. Upon request by the SEC staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price will be provided.

	/s/ John Guthrie	12/01/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did SiteOne (SITE) report in this Form 4?

The Form 4 reports that EVP, CFO and Assistant Secretary John Guthrie sold 1,915 shares of SiteOne Landscape Supply common stock on 11/26/2025.

At what price did the SiteOne (SITE) CFO sell his shares?

The sale was reported at a weighted average price of $134.83 per share, with individual trades executed between $134.70 and $135.00 per share.

How many SiteOne (SITE) shares does the CFO own after this transaction?

Following the reported sale, John Guthrie beneficially owns 13,569 shares of SiteOne Landscape Supply common stock in direct ownership.

What does the transaction code "S" mean for this SiteOne (SITE) Form 4?

The transaction code "S" indicates an open-market or private sale of non-derivative securities, in this case SiteOne common stock.

Can investors obtain more detail on the individual trade prices for the SiteOne (SITE) CFO sale?

Yes. The filing states that detailed information on the number of shares sold at each separate price between $134.70 and $135.00 will be provided upon request by the SEC staff, the issuer, or any security holder.

Does this SiteOne (SITE) Form 4 report any derivative securities transactions?

No derivative securities transactions are reported; the table for derivative securities is present but contains no entries.