Kekin Ghelani - 28 Feb 2024 Form 4 Insider Report for Summit Materials, Inc.

Role
Chief Strategy&Growth Officer
Signature
/s/ David Hamm, as Attorney-in-Fact
Issuer symbol
N/A
Transactions as of
28 Feb 2024
Net transactions value
-$162,751
Form type
4
Filing time
01 Mar 2024, 19:58:09 UTC
Previous filing
18 Sep 2023
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 +9,667 +123% 17,543 28 Feb 2024 Direct F1, F2
transaction SUM Class A Common Stock Options Exercise +3,398 +19% 20,941 29 Feb 2024 Direct F1
transaction SUM Class A Common Stock Tax liability $121,023 -2,855 -14% $42.39 18,086 28 Feb 2024 Direct
transaction SUM Class A Common Stock Tax liability $41,728 -977 -5.4% $42.71 17,109 29 Feb 2024 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 -9,667 -50% $0.000000 9,667 28 Feb 2024 Class A Common Stock 9,667 Direct F3, F4
transaction SUM Restricted Stock Units Options Exercise $0 -3,398 -33% $0.000000 6,795 29 Feb 2024 Class A Common Stock 3,398 Direct F3, 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 acquired through the Issuer's Employee Stock Purchase Plan on May 28, 2023.
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 vest in three equal annual installments beginning on September 15, 2023.
F5 These restricted stock units vest in three equal annual installments beginning on February 28, 2024.