Howard L. Lance - Feb 29, 2024 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 29, 2024
Transactions value $
$0
Form type
4
Date filed
3/4/2024, 06:20 PM
Previous filing
Feb 12, 2024
Next filing
Mar 8, 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SUM Class A Common Stock Options Exercise +4.04K +32.76% 16.4K Feb 29, 2024 Direct F1, F2
holding SUM Class A Common Stock 45.8K Feb 29, 2024 by Howard L. Lance TTEE Howard Lance Trust dated 09/01/2006

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 -4.04K -100% $0.00* 0 Feb 29, 2024 Class A Common Stock 4.04K 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.