Edgar Filing: Summit Materials, Inc.

Ownership Submission

FORM 4

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person ^*

BARCLAYS PLC

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

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

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

(Last)

(First)

(Middle)

1 CHURCHILL PLACE, CANARY WHARF

3. Date of Earliest Transaction (Month/Day/Year)
07/19/2016

(Street)

LONDON, X0 E14 5HP

4. If Amendment, Date 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

(City)

(State)

(Zip)

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)
Class A Common Stock	07/19/2016		P		86	A	$ 21.81	13,958,332 ⁽¹⁾	I	by Barclays Capital Inc.
Class A Common Stock	07/19/2016		P		100	A	$ 21.85	13,958,332 ⁽¹⁾	I	by Barclays Capital Derivatives Funding LLC
Class A Common Stock	07/19/2016		P		100	A	$ 21.86	13,958,332 ⁽¹⁾	I	by Barclays Capital Derivatives Funding LLC
Class A Common Stock	07/19/2016		P		116	A	$ 21.8399	13,958,332 ⁽¹⁾	I	by Barclays Capital Derivatives Funding LLC

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
	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 control number.		SEC 1474 (9-02)

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 Underlying Securities
(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 of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)

11. Nature of Indirect Beneficial Ownership
(Instr. 4)

Code

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
BARCLAYS PLC 1 CHURCHILL PLACE CANARY WHARF LONDON, X0 E14 5HP		X

Signatures

/s/ James Gibson, Head of Large Holdings Compliance		07/25/2016
^**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	As of July 19, 2016 the Reporting Persons beneficially owned 13,958,332 shares of common stock of Summit Materials, Inc. The amount set forth in column 5 represents the Reporting Persons' beneficial ownership of the common stock of the Issuer as of the close of business on July 19, 2016; ownership information after each reported transaction is not reasonably available to the Reporting Persons.
Remarks: (a) Name of Person Filing: (1) Barclays PLC (2) Barclays Capital Inc. (controlled by Barclays PLC) (3) Barclays Capital Derivative Funding (controlled by Barclays Bank PLC) (b) Address of Principal Business Office or, if none, Residence: (1) Barclays PLC 1 Churchill Place, London, E14 5HP, England (2) Barclays Capital Inc 745 Seventh Avenue New York, New York 10019 United States (3) Barclays Capital Derivative Funding LLC c/o Corporation Trust Company, Corporation Trust Center 1209 Orange Street Wilmington, DE 19801

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