SiteOne director awarded 1,186 RSUs, exercises 1,125

SiteOne Landscape Supply director Jeri L. Isbell reported routine equity compensation activity.

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Rhea-AI Filing Summary

SiteOne Landscape Supply director Jeri L. Isbell reported routine equity compensation activity. On May 13, 2026, she received 1,186 Restricted Stock Units (RSUs), which will vest upon the earlier of the day before the next annual shareholder meeting or the first anniversary of May 13, 2026, subject to continued service. A prior grant of 1,125 RSUs from May 14, 2025 vested on May 12, 2026 and converted on a one-for-one basis into common stock, increasing her direct common share holdings to 11,442.

Insider Trade Summary

1,125 shares exercised/converted

Exercise 3 txns

Insider Isbell Jeri L

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	1,186	$0.00	$0.00
Exercise	Restricted Stock Units	1,125	$0.00	$0.00
Exercise	Common Stock	1,125	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 1,186 contracts (Direct); Common Stock — 11,442 shares (Direct)

Footnotes (4)

F1. Filed to report vesting of Restricted Stock Units ("RSUs"). RSUs convert into common stock on a one-for-one basis.
F2. On May 14, 2025, the Reporting Person was granted 1,125 RSUs, vesting and settling upon the earlier of (i) the day preceding the Company's next annual meeting of stockholders and (ii) the first anniversary of May 14, 2025, in each case subject to the Reporting Person's continued service as a non-employee director.
F3. RSUs convert into common stock on a one-for-one basis.
F4. The RSUs will vest and settle upon the earlier of (i) the day preceding the Company's next annual meeting of stockholders and (ii) the first anniversary of May 13, 2026, in each case subject to the Reporting Person's continued service as a non-employee director.

Key Figures

New RSU grant: 1,186 RSUs RSUs vested and converted: 1,125 RSUs Common stock holdings: 11,442 shares +1 more

4 metrics

New RSU grant 1,186 RSUs Granted May 13, 2026 to Jeri L. Isbell

RSUs vested and converted 1,125 RSUs Vested and settled into common stock on May 12, 2026

Common stock holdings 11,442 shares Direct common stock owned after transactions

RSUs outstanding 1,186 RSUs Unvested RSUs remaining after the reported transactions

Key Terms

Restricted Stock Units, RSUs convert into common stock on a one-for-one basis, non-employee director, vesting and settling

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.

RSUs convert into common stock on a one-for-one basis financial

"RSUs convert into common stock on a one-for-one basis."

non-employee director financial

"subject to the Reporting Person's continued service as a non-employee director."

vesting and settling financial

"RSUs, vesting and settling upon the earlier of (i) the day preceding"

FAQ

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

What insider transactions did SiteOne (SITE) director Jeri Isbell report?

Jeri Isbell reported vesting and conversion of 1,125 Restricted Stock Units into common stock and a new grant of 1,186 RSUs. These transactions reflect routine director equity compensation rather than open-market share purchases or sales.

How many SiteOne (SITE) shares does Jeri Isbell hold after these transactions?

After these transactions, Jeri Isbell directly holds 11,442 shares of SiteOne common stock and 1,186 Restricted Stock Units. The RSUs represent additional potential shares that will be delivered when they vest, subject to her continued service as a non-employee director.

What RSU grant did SiteOne (SITE) make to Jeri Isbell on May 13, 2026?

On May 13, 2026, SiteOne granted Jeri Isbell 1,186 Restricted Stock Units. These RSUs will vest and settle on the earlier of the day before the next SiteOne annual shareholder meeting or the first anniversary of May 13, 2026, assuming she remains a non-employee director.

What happened to Jeri Isbell’s prior SiteOne (SITE) RSU award from May 14, 2025?

Her May 14, 2025 award of 1,125 Restricted Stock Units vested and settled on May 12, 2026. Those RSUs converted into SiteOne common stock on a one-for-one basis, increasing her direct common share ownership without involving any open-market purchase or sale.

Do the SiteOne (SITE) Form 4 transactions involve open-market buying or selling?

No. The Form 4 shows equity compensation activity: vesting and conversion of 1,125 RSUs into common stock and a new grant of 1,186 RSUs. There are no reported open-market purchases or sales, so no cash-based trading decision is disclosed here.

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

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 05/14/2026 - 07:09 PM

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^*

Isbell Jeri L

(Last)

(First)

(Middle)

MANSELL OVERLOOK

300 COLONIAL CENTER PARKWAY, SUITE 600

(Street)

ROSWELL

GEORGIA

30076

(City)

(State)

(Zip)

UNITED STATES

(Country)

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

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

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/12/2026

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

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

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

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	05/12/2026		M		1,125	A	⁽¹⁾	11,442	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units	⁽¹⁾	05/12/2026		M			1,125	⁽²⁾	⁽²⁾	Common Stock	1,125	$0.00	0	D
Restricted Stock Units	⁽³⁾	05/13/2026		A		1,186		⁽⁴⁾	⁽⁴⁾	Common Stock	1,186	$0.00	1,186	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 May 14, 2025, the Reporting Person was granted 1,125 RSUs, vesting and settling upon the earlier of (i) the day preceding the Company's next annual meeting of stockholders and (ii) the first anniversary of May 14, 2025, in each case subject to the Reporting Person's continued service as a non-employee director.

3. RSUs convert into common stock on a one-for-one basis.

4. The RSUs will vest and settle upon the earlier of (i) the day preceding the Company's next annual meeting of stockholders and (ii) the first anniversary of May 13, 2026, in each case subject to the Reporting Person's continued service as a non-employee director.

	/s/ Travis Jackson, Attorney-in-fact for Jeri L. Isbell	05/14/2026
	** 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.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR