SiteOne (NYSE: SITE) EVP logs RSU vesting and tax share disposition

Rhea-AI Filing Summary

SiteOne Landscape Supply EVP Joseph Ketter reported RSU vesting that converted into common shares and a related tax share disposition. On February 10, 2026, 255 Restricted Stock Units were exercised into 255 shares of common stock, increasing his direct holdings to 14,766 shares.

On the same date, 130 common shares were disposed of at $148.78 per share to satisfy tax obligations, leaving Ketter with 14,636 directly owned common shares after these transactions. The RSUs stem from a 1,021-unit grant made on February 10, 2022, vesting in four equal annual installments.

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

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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^*

Ketter Joseph

(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, Human Resources

3. Date of Earliest Transaction (Month/Day/Year)
02/10/2026

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	02/10/2026		M		255	A	(1)	14,766	D
Common Stock	02/10/2026		F		130	D	$148.78	14,636	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
Restricted Stock Units	(1)	02/10/2026		M			255	(2)	(2)	Common Stock	255	$0.00	0	D

Explanation of Responses:

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

2. On February 10, 2022, the Reporting Person was granted 1,021 RSUs, vesting in four equal annual installments beginning on February 10, 2023, subject to the Reporting Person's continued employment.

	/s/ Travis Jackson, Attorney-in-fact for Joseph Ketter	02/12/2026
	** 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).
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FAQ

What insider transaction did SITE EVP Joseph Ketter report on this Form 4?

Joseph Ketter reported vesting of Restricted Stock Units that converted into common stock, plus a related tax share disposition. On February 10, 2026, 255 RSUs became 255 common shares, and 130 shares were delivered to cover tax obligations, leaving 14,636 shares owned directly.

How many SiteOne (SITE) shares does Joseph Ketter own after this Form 4?

After the reported transactions, Joseph Ketter directly owns 14,636 SiteOne common shares. His holdings rose to 14,766 shares after 255 RSUs vested, then decreased by 130 shares that were disposed of at $148.78 per share to satisfy associated tax liabilities.

What RSU activity did the SITE Form 4 disclose for Joseph Ketter?

The Form 4 disclosed that 255 Restricted Stock Units vested and were converted into 255 SiteOne common shares on February 10, 2026. These RSUs come from a 1,021-unit grant made on February 10, 2022, which vests in four equal annual installments, subject to continued employment.

Why were 130 SiteOne (SITE) shares disposed of in this Form 4?

The 130 shares were disposed of to pay tax liabilities arising from the RSU vesting. The shares were delivered at $148.78 per share in a transaction coded “F,” which represents payment of tax or exercise costs by surrendering securities instead of using cash.

What was the original RSU grant underlying Joseph Ketter’s SITE vesting?

Ketter’s vesting relates to a grant of 1,021 Restricted Stock Units awarded on February 10, 2022. These RSUs vest in four equal annual installments starting February 10, 2023, contingent on his continued employment, with each vested unit converting into one share of SiteOne common stock.