STEVEN H. WUNNING - 29 Feb 2024 Form 4 Insider Report for Summit Materials, Inc. (SUM)

Role
Director
Signature
/s/ Christopher B. Gaskill, as Attorney-in-Fact
Issuer symbol
SUM
Transactions as of
29 Feb 2024
Net transactions value
$0
Form type
4
Filing time
04 Mar 2024, 18:21:40 UTC
Previous filing
29 Feb 2024
Next filing
08 Mar 2024
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 +4,038 +12% 39,013 29 Feb 2024 Direct F1, 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 -4,038 -100% $0.000000* 0 29 Feb 2024 Class A Common Stock 4,038 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 Total holdings include shares of Class A Common Stock received pursuant to a stock dividend paid on December 29, 2022.
F3 Each restricted stock unit represents a contingent right to receive one share of Class A common stock of the Issuer ("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 These restricted stock units vested on February 29, 2024.