SEC FORM 3

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

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Weller Greg

(Last)

(First)

(Middle)

MANSELL OVERLOOK

300 COLONIAL CENTER PARKWAY, SUITE 600

(Street)

ROSWELL

30076

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
05/15/2019

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)
	Senior VP of Operations

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	11,283	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)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	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)
Stock Options (right to buy)	⁽¹⁾	04/15/2025	Common Stock	21,828	$8.02	D
Stock Options (right to buy)	⁽²⁾	02/17/2027	Common Stock	7,865	$38.73	D
Stock Options (right to buy)	⁽³⁾	02/14/2028	Common Stock	8,750	$77.04	D
Stock Options (right to buy)	⁽⁴⁾	02/06/2029	Common Stock	8,722	$51.59	D
Restricted Stock Units	⁽⁵⁾	⁽⁵⁾	Common Stock	464	⁽⁶⁾	D
Restricted Stock Units	⁽⁷⁾	⁽⁷⁾	Common Stock	729	⁽⁶⁾	D
Restricted Stock Units	⁽⁸⁾	⁽⁸⁾	Common Stock	1,453	⁽⁶⁾	D

Explanation of Responses:

1. 46,472 options were granted on April 15, 2015 and vest and become exercisable ratably in five installments on each anniversary of April 15, 2015, subject to continued employment. Prior to the date of the event requiring the filing of this Form 3, 12,534 of these options that remain outstanding had vested.

2. 8,365 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 continued employment. Prior to the date of the event requiring the filing of this Form 3, 3,683 of these options that remain outstanding had vested.

3. 8,750 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 continued employment. Prior to the date of the event requiring the filing of this Form 3, 2,188 of these options that remain outstanding had vested.

4. 8,722 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 continued employment. Prior to the date of the event requiring the filing of this Form 3, none of these options had vested.

5. 929 Restricted Stock Units ("RSUs") were granted on February 17, 2017 and vest and settle into shares of Common Stock ratably in four installments on each anniversary of February 17, 2017, subject to continued employment. Prior to the date of the event requiring the filing of this Form 3, 465 of these RSUs had vested.

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

7. 972 RSUs were granted on February 14, 2018 and vest and settle into shares of Common Stock ratably in four installments on each anniversary of February 14, 2018, subject to continued employment. Prior to the date of the event requiring the filing of this Form 3, 243 of these RSUs had vested.

8. 1,453 RSUs were granted on February 6, 2019 and vest and settle into shares of Common Stock ratably in four installments on each anniversary of February 6, 2019, subject to continued employment. Prior to the date of the event requiring the filing of this Form 3, none of these RSUs had vested.

Remarks:

Exhibit 24 - Power of Attorney

	/s/ Briley Brisendine, Attorney-in-fact for Greg Weller	05/17/2019
	** 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 5 (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.