Summit Materials Form 3 Initial statement of insider ownership

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^*

BARCLAYS PLC

(Last)

(First)

(Middle)

1 CHURCHILL PLACE

CANARY WHARF

(Street)

LONDON

E14 5HP

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
07/19/2016

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

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

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

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)
Class A Common Stock	13,926,972⁽¹⁾	I	By Barclays Capital Inc.
Class A Common Stock	31,360	I	By Barclays Bank PLC

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)
Equity Swap	⁽²⁾	03/01/2017	Class A Common Stock	8,424	22.5725	I	By Barclays Bank plc
Equity Swap	⁽²⁾	03/06/2017	Class A Common Stock	8,425	23.393	I	By Barclays Bank plc
Equity Swap	⁽²⁾	03/07/2017	Class A Common Stock	8,425	22.7353	I	By Barclays Bank plc
Equity Swap	⁽²⁾	03/08/2017	Class A Common Stock	8,425	23.4887	I	By Barclays Bank plc
Equity Swap	⁽²⁾	03/09/2017	Class A Common Stock	8,424	23.2085	I	By Barclays Bank plc
Equity Swap	⁽²⁾	03/10/2017	Class A Common Stock	8,424	22.7981	I	By Barclays Bank plc
Equity Swap	⁽²⁾	03/13/2017	Class A Common Stock	8,425	22.7342	I	By Barclays Bank plc
Equity Swap	⁽²⁾	03/14/2017	Class A Common Stock	8,424	22.7416	I	By Barclays Bank plc
Equity Swap	⁽²⁾	03/15/2017	Class A Common Stock	8,425	23.0267	I	By Barclays Bank plc
Equity Swap	⁽²⁾	03/16/2017	Class A Common Stock	8,425	23.3541	I	By Barclays Bank plc
Equity Swap	⁽²⁾	03/17/2017	Class A Common Stock	8,424	23.6658	I	By Barclays Bank plc
Equity Swap	⁽²⁾	03/20/2017	Class A Common Stock	8,424	23.5371	I	By Barclays Bank plc
Equity Swap	⁽²⁾	03/21/2017	Class A Common Stock	8,424	23.8071	I	By Barclays Bank plc
Equity Swap	⁽²⁾	03/22/2017	Class A Common Stock	8,424	22.677	I	By Barclays Bank plc
Equity Swap	⁽²⁾	03/23/2017	Class A Common Stock	8,424	22.0423	I	By Barclays Bank plc
Equity Swap	⁽²⁾	03/24/2017	Class A Common Stock	8,425	21.4766	I	By Barclays Bank plc
Equity Swap	⁽²⁾	03/27/2017	Class A Common Stock	8,424	20.7328	I	By Barclays Bank plc

Explanation of Responses:

1. Reporting Person became an insider due to stock borrow activity on July 19, 2016. Reporting Person ceased to be an insider prior to opening of business on July 20, 2016.

2. There is no exercisable date for the equity swaps.

	/s/ James Gibson, Head of Large Holdings Compliance	07/25/2016
	** 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.

Summit Materials (SUM) Form 3Initial statement of insider ownership