Tamla Oates-Forney - 19 May 2022 Form 4 Insider Report for Summit Materials, Inc.

Role
Director
Signature
/s/ Christopher B. Gaskill, as Attorney-in-Fact
Issuer symbol
N/A
Transactions as of
19 May 2022
Net transactions value
$0
Form type
4
Filing time
19 May 2022, 19:10:39 UTC
Previous filing
07 Apr 2022
Next filing
24 Feb 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SUM Class A Common Stock Options Exercise +4,054 4,054 19 May 2022 Direct F1

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 -4,054 -100% $0.000000* 0 19 May 2022 Class A Common Stock 4,054 Direct F2, F3
* 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 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.
F3 On May 19, 2021, the Reporting Person was granted 4,054 restricted stock units that vested on May 19, 2022.