SEC Info - Harris Brian James - ‘3’ for 3/12/15 re: Summit Materials, Inc.

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^*

Harris Brian James

(Last)

(First)

(Middle)

C/O SUMMIT MATERIALS, INC.

1550 WYNKOOP STREET, 3RD FLOOR

(Street)

DENVER

80202

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
3/12/15

3. Issuer Name and Ticker or Trading Symbol
Summit Materials, Inc. [ SUM ]

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

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
EVP & Chief Financial Officer

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)

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)
Options (right to buy)	⁽¹⁾	3/11/25	Common Stock	101,200	18	D
Options (right to buy)	⁽²⁾	3/11/25	Common Stock	131,560	18	D
LP Units of Summit Materials Holdings L.P.	⁽³⁾	⁽³⁾	Common Stock	648,621	⁽³⁾	I	See Footnote ⁽⁴⁾

Explanation of Responses:

(1) The options vest in four equal annual installments beginning on March 11, 2016.

(2) The options vest upon the achievement of certain vesting events more fully described in the Issuer's Registration Statement on Form S-1 (File No. 333-201058).

(3) Pursuant to the terms of an exchange agreement, dated as of March 11, 2015, the limited partnership units of Summit Materials Holdings L.P. ("LP Units") reported herein are exchangeable from and after the first anniversary of the closing of the issuer's initial public offering (subject to the terms of the exchange agreement and vesting requirements, including certain vesting events more fully described in the Issuer's Registration Statement on Form S-1 (File No. 333-201058)) for shares of the issuer's Class A common stock on a one-for-one basis.

(4) Reflects securities held by a trust for the benefit of Mr. Harris' family, for which Mr. Harris' spouse serves as trustee.

Remarks:

The Reporting Person disclaims beneficial ownership of the securities reported herein as indirectly beneficially owned, except to the extent of his pecuniary interest therein. Exhibit 24 - Power of Attorney

	/s/ Anne Lee Benedict, as Attorney-in-Fact	3/12/15
	** 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.
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Harris Brian James – ‘3’ for 3/12/15 re: Summit Materials, Inc.

On: Thursday, 3/12/15, at 8:43pm ET · For: 3/12/15 · Accession #: 1209191-15-25828 · File #: 1-36873

Initial Statement of Beneficial Ownership of Securities by an Insider — Form 3 — SEA’34
Filing Table of Contents

‘3’ — Form 3 Submission — doc3.xml/2.6

This ‘3’ Document is an XML Data File that may be rendered in various formats:

Harris Brian James – ‘3’ for 3/12/15 re: Summit Materials, Inc.

On: Thursday, 3/12/15, at 8:43pm ET · For: 3/12/15 · Accession #: 1209191-15-25828 · File #: 1-36873

Initial Statement of Beneficial Ownership of Securities by an Insider — Form 3 — SEA’34Filing Table of Contents

‘3’ — Form 3 Submission — doc3.xml/2.6

This ‘3’ Document is an XML Data File that may be rendered in various formats:

Initial Statement of Beneficial Ownership of Securities by an Insider — Form 3 — SEA’34
Filing Table of Contents