Joseph S. Cantie - 28 Feb 2023 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
28 Feb 2023
Net transactions value
$0
Form type
4
Filing time
01 Mar 2023, 16:35:46 UTC
Previous filing
24 Feb 2023
Next filing
05 Apr 2023
SEC
View on sec.gov

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SUM Class A Common Stock Options Exercise +3,815 +12% 35,085 28 Feb 2023 Direct F1, F2
holding SUM Class A Common Stock 5,100 28 Feb 2023 See Footnote F3

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 -3,815 -100% $0.000000* 0 28 Feb 2023 Class A Common Stock 3,815 Direct F4, F5
* 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 Total holdings include shares of Class A Common Stock received pursuant to a stock dividend paid on December 29, 2022.
F3 Reflects securities held by a trust for the benefit of the Reporting Person, for which the Reporting Person and his spouse serve as trustees.
F4 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.
F5 On March 1, 2022, the Reporting Person was granted 3,815 restricted stock units that vested on February 28, 2023.