SEC Form 4 · accession 0001140361-16-073312

Summit Materials, Inc. · SUM

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

BARCLAYS PLC

10% Owner

Period of report

Jul 19, 2016

Accepted (ET)

Jul 25, 2016 · 9:00 pm EDT

Rule 10b5-1 plan

unknown — predates the checkbox

Issuer CIK

0001621563

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Class A Common Stock^F1	Jul 19, 2016	P	86	$21.81	A	13,958,332	I	by Barclays Capital Inc.
Class A Common Stock^F1	Jul 19, 2016	P	100	$21.85	A	13,958,332	I	by Barclays Capital Derivatives Funding LLC
Class A Common Stock^F1	Jul 19, 2016	P	100	$21.86	A	13,958,332	I	by Barclays Capital Derivatives Funding LLC
Class A Common Stock^F1	Jul 19, 2016	P	116	$21.8399	A	13,958,332	I	by Barclays Capital Derivatives Funding LLC

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses

F1As 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