Anne P. Noonan - Jul 20, 2022 Form 4 Insider Report for Summit Materials, Inc. (SUM)

Role
President & CEO, Director
Signature
/s/ Christopher B. Gaskill, as Attorney-in-Fact
Stock symbol
SUM
Transactions as of
Jul 20, 2022
Transactions value $
-$236,267
Form type
4
Date filed
7/20/2022, 07:01 PM
Previous filing
May 12, 2022
Next filing
Aug 29, 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SUM Class A Common Stock Options Exercise +21.3K +22.6% 116K Jul 20, 2022 Direct F1, F2
transaction SUM Class A Common Stock Tax liability -$236K -9.35K -8.09% $25.28 106K Jul 20, 2022 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction SUM Restricted Stock Units Options Exercise $0 -21.3K -50% $0.00 21.3K Jul 20, 2022 Class A Common Stock 21.3K Direct F3, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Reflects restricted stock units that upon vesting converted into shares of Class A common stock of the Issuer ("Class A Common Stock") on a one-for-one basis.
F2 Includes 1,014 shares acquired through the Issuer's Employee Stock Purchase Plan on April 14, 2022.
F3 Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock. The restricted stock units will be settled in either Class A Common Stock or cash (or a combination thereof) at the discretion of the Issuer's Human Capital and Compensation Committee.
F4 The Reporting Person was granted 63,866 restricted stock units that vest in three equal installments beginning on July 20, 2021.