Joseph S. Cantie - Feb 28, 2022 Form 4 Insider Report for Summit Materials, Inc. (SUM)

Role
Director
Signature
/s/ Christopher B. Gaskill, as Attorney-in-Fact
Stock symbol
SUM
Transactions as of
Feb 28, 2022
Transactions value $
$0
Form type
4
Date filed
3/1/2022, 04:48 PM
Previous filing
Jan 6, 2022
Next filing
Mar 3, 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SUM Class A Common Stock Options Exercise +4.37K +16.64% 30.7K Feb 28, 2022 Direct F1
holding SUM Class A Common Stock 5.1K Feb 28, 2022 See Footnote F2

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 -4.37K -100% $0.00* 0 Feb 28, 2022 Class A Common Stock 4.37K 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 Reflects securities held by a trust for the benefit of the Reporting Person, for which the Reporting Person and his spouse serve as trustees.
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 On March 30, 2021, the Reporting Person was granted 4,374 restricted stock units that vested on February 28, 2022.