SiteOne (SITE) EVP & CFO Eric Elema reports stock, RSU and option stakes

Rhea-AI Filing Summary

SiteOne Landscape Supply, Inc. executive Eric J. Elema, EVP, CFO and Assistant Secretary, filed an initial ownership report showing his equity position in the company. As of 01/01/2026, he beneficially owns 614 shares of Common Stock directly. He also holds several grants of restricted stock units and stock options that give him rights to acquire additional Common Stock over time, including awards such as 669 RSUs granted on February 5, 2025 and vested stock options covering 3,755 shares at an exercise price of $26.67 per share. These equity awards generally vest in four annual installments, contingent on his continued employment.

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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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1. Name and Address of Reporting Person^*

Elema Eric J

(Last) (First) (Middle)

MANSELL OVERLOOK

300 COLONIAL CENTER PARKWAY, SUITE 600

(Street)

ROSWELL GA 30076

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
01/01/2026

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

4. 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.

5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	614	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Share Units	(1)	(1)	Common Stock	72	(6)	D
Restricted Share Units	(2)	(2)	Common Stock	181	(6)	D
Restricted Share Units	(3)	(3)	Common Stock	309	(6)	D
Restricted Share Units	(4)	(4)	Common Stock	264	(6)	D
Restricted Share Units	(5)	(5)	Common Stock	669	(6)	D
Stock Options (Right to Buy)	(7)	05/12/2026	Common Stock	3,755	$26.67	D
Stock Options (Right to Buy)	(8)	02/17/2027	Common Stock	3,828	$38.73	D
Stock Options (Right to Buy)	(9)	02/14/2028	Common Stock	1,392	$77.04	D
Stock Options (Right to Buy)	(10)	02/06/2029	Common Stock	1,761	$51.59	D
Stock Options (Right to Buy)	(11)	02/05/2030	Common Stock	929	$101.63	D
Stock Options (Right to Buy)	(12)	02/11/2031	Common Stock	515	$166.15	D
Stock Options (Right to Buy)	(13)	02/10/2032	Common Stock	462	$179.4	D
Stock Options (Right to Buy)	(14)	02/09/2033	Common Stock	382	$149.36	D

Explanation of Responses:

1. On February 10, 2022, the Reporting Person was granted 289 RSUs, vesting in four equal annual installments beginning on February 10, 2023, subject to the Reporting Person's continued employment. Prior to the filing of this Form 217 of these RSUs had vested.

2. On February 9, 2023, the Reporting Person was granted 363 RSUs, vesting in four equal annual installments beginning on February 9, 2024, subject to the Reporting Person's continued employment. Prior to the filing of this Form 3, 182 of these RSUs had vested.

3. On February 7, 2024, the Reporting Person was granted 412 RSUs, vesting in four equal annual installments beginning on February 7, 2025, subject to the Reporting Person's continued employment. Prior to the filing of this Form 3, 103 of these RSUs had vested.

4. On November 1, 2024, the Reporting Person was granted 352 RSUs, vesting in four equal annual installments beginning on November 1, 2025, subject to the Reporting Person's continued employment. Prior to the filing of this Form 3, 88 of these RSUs had vested.

5. On February 5, 2025, the Reporting Person was granted 669 RSUs, vesting in four equal annual installments beginning on February 5, 2026, subject to the Reporting Person's continued employment. Prior to the filing of this Form 3, none of these RSUs had vested.

6. RSUs convert into shares of Common Stock upon vesting on a one-for-one basis.

7. 20,621 options were granted on May 12, 2016, and vest and become exercisable ratably in four installments on each anniversary of May 12, 2016, subject to the Reporting Person's continued employment. Prior to the filing of this Form 3, 3,755 of these options that remain outstanding had vested.

8. 5,026 options were granted on February 17, 2017, and vest and become exercisable ratably in four installments on each anniversary of February 17, 2017, subject to the Reporting Person's continued employment. Prior to the filing of this Form 3, 3,828 of these options that remain outstanding had vested.

9. 2,784 options were granted on February 14, 2018, and vest and become exercisable ratably in four installments on each anniversary of February 14, 2018, subject to the Reporting Person's continued employment. Prior to the filing of this Form 3, 1,392 of these options that remain outstanding had vested.

10. 1,761 options were granted on February 6, 2019, and vest and become exercisable ratably in four installments on each anniversary of February 6, 2019, subject to the Reporting Person's continued employment. Prior to the filing of this Form 3, 1,761 of these options that remain outstanding had vested.

11. 929 options were granted on February 5, 2020, and vest and become exercisable ratably in four installments on each anniversary of February 5, 2020, subject to the Reporting Person's continued employment. Prior to the filing of this Form 3, 929 of these options that remain outstanding had vested.

12. 515 options were granted on February 11, 2021, and vest and become exercisable ratably in four installments on each anniversary of February 11, 2021, subject to the Reporting Person's continued employment. Prior to the filing of this Form 3, 515 of these options that remain outstanding had vested.

13. 462 options were granted on February 10, 2022, and vest and become exercisable ratably in four installments on each anniversary of February 10, 2022, subject to the Reporting Person's continued employment. Prior to the filing of this Form 3, 347 of these options that remain outstanding had vested.

14. 382 options were granted on February 9, 2023, and vest and become exercisable ratably in four installments on each anniversary of February 9, 2023, subject to the Reporting Person's continued employment. Prior to the filing of this Form 3, 191 of these options that remain outstanding had vested.

Remarks:

Exhibit 24 - Power of Attorney

	/s/ Travis Jackson, Attorney-in-fact for Eric Elema	01/12/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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