SiteOne EVP exercises RSUs, pays tax with shares

SiteOne Landscape Supply EVP, Human Resources Joseph Ketter reported the vesting and exercise of 515 Restricted Stock Units into an equal number of common shares on February 7, 2026, with 223 shares withheld at $150.0100 per share to satisfy tax obligations.

Rhea-AI Filing Summary

SiteOne Landscape Supply EVP, Human Resources Joseph Ketter reported the vesting and exercise of 515 Restricted Stock Units into an equal number of common shares on February 7, 2026, with 223 shares withheld at $150.0100 per share to satisfy tax obligations. After these transactions, he directly holds 14,321 common shares. A prior grant awarded 2,062 RSUs vesting in four equal annual installments beginning February 7, 2025.

Insider Trade Summary

515 shares exercised/converted

Exercise 3 txns

Insider Ketter Joseph

Role EVP, Human Resources

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	515	$0.00	$0.00
Exercise	Common Stock	515	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	223	$150.01	$33K

Holdings After Transaction: Restricted Stock Units — 1,031 contracts (Direct); Common Stock — 14,321 shares (Direct)

Footnotes (2)

1. F1. Filed to report vesting of Restricted Stock Units ("RSUs"). RSUs convert into common stock on a one-for-one basis.
2. F2. On February 7, 2024, the Reporting Person was granted 2,062 RSUs, vesting in four equal annual installments beginning on February 7, 2025, subject to the Reporting Person's continued employment.

Key Figures

RSUs exercised: 515 Shares withheld for taxes: 223 Tax withholding price: $150.0100 per share +2 more

5 metrics

RSUs exercised 515 Restricted Stock Units vested and converted to common stock on February 7, 2026

Shares withheld for taxes 223 Common shares delivered to cover tax obligations related to RSU vesting

Tax withholding price $150.0100 per share Price used for the tax-withholding disposition of 223 shares

Post-transaction holdings 14,321 shares Direct common stock position after February 7, 2026 transactions

RSU grant size 2,062 RSUs RSUs granted on February 7, 2024, vesting in four equal annual installments

Key Terms

Restricted Stock Units, vesting, tax-withholding disposition, Exercise or conversion of derivative security

4 terms

Restricted Stock Units financial

"Filed to report vesting of Restricted Stock Units ("RSUs")."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

vesting financial

"Filed to report vesting of Restricted Stock Units ("RSUs")."

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

tax-withholding disposition financial

"transaction_action": "tax-withholding disposition""

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

Exercise or conversion of derivative security financial

"transaction_code_description": "Exercise or conversion of derivative security""

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What transactions did SITE executive Joseph Ketter report in this Form 4?

Joseph Ketter reported the vesting and exercise of 515 Restricted Stock Units into common stock, plus a related tax-withholding transaction where 223 shares were delivered at $150.0100 per share to cover taxes arising from the vesting event.

How many SITE shares does Joseph Ketter hold after these transactions?

Following the reported RSU vesting and tax-withholding, Joseph Ketter directly holds 14,321 shares of SiteOne Landscape Supply common stock, according to the post-transaction holdings disclosure, reflecting his updated equity position after the February 7, 2026 activity.

What RSU grant underlies the reported SITE transactions for Joseph Ketter?

The activity relates to a prior grant of 2,062 Restricted Stock Units awarded on February 7, 2024, which vest in four equal annual installments starting February 7, 2025, subject to Ketter’s continued employment with SiteOne Landscape Supply, Inc.

What was the tax-withholding price in Joseph Ketter’s SITE Form 4?

For the tax-withholding disposition, 223 SiteOne common shares were delivered at $150.0100 per share. This transaction is classified as a payment of tax liability by delivering securities rather than a traditional open-market sale or purchase.

How many RSUs vested or were exercised in Joseph Ketter’s SITE filing?

The filing shows 515 Restricted Stock Units converting into an equal number of SiteOne common shares on February 7, 2026. The RSUs convert on a one-for-one basis, consistent with the described structure of Ketter’s equity compensation award.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 02/10/2026 - 04:48 PM Learn about SEC filing dates

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
Estimated average burden
hours per response:			0.5

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)
02/07/2026

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	02/07/2026		M		515	A	(1)	14,544	D
Common Stock	02/07/2026		F		223	D	$150.01	14,321	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)	02/07/2026		M			515	(2)	(2)	Common Stock	515	$0.00	1,031	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 7, 2024, the Reporting Person was granted 2,062 RSUs, vesting in four equal annual installments beginning on February 7, 2025, subject to the Reporting Person's continued employment.

	/s/ Travis Jackson, Attorney-in-fact for Joseph Ketter	02/10/2026
	** 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).
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.