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Home > Insider Trading > Filing (0001104659-18-072174)

Filing Details

Accession Number:: 0001104659-18-072174
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2018-12-10 20:06:46
Reporting Period:: 2018-12-04

Accepted Time:: 2018-12-10 20:06:46
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1621563	Summit Materials Inc.	SUM	Mining & Quarrying Of Nonmetallic Minerals (No Fuels) (1400)	471984212

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1635271	James Brian Harris	C/O Summit Materials, Inc. 1550 Wynkoop Street, 3Rd Floor Denver CO 80202	Evp & Chief Financial Officer	No	Yes	No	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Class A Common Stock	Acquisiton	2018-12-04	2,000	$13.38	74,584	No	4	P	Direct
Class A Common Stock	Acquisiton	2018-12-10	2,000	$13.00	76,584	No	4	P	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	P	Direct
No	4	P	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Class A Common Stock	60,000	Indirect	See Footnote

Footnotes

Reflects securities held by trusts for the benefit of Mr. Harris' family, for which Mr. Harris' spouse serves as trustee.