Home/Filings/4/0001628280-23-005896
4//SEC Filing

Harris Brian James 4

Accession 0001628280-23-005896

CIK 0001621563other

Filed

Feb 28, 7:00 PM ET

Accepted

Mar 1, 5:40 PM ET

Size

17.7 KB

Accession

0001628280-23-005896

Insider Transaction Report

Form 4
Period: 2023-02-28
Harris Brian James
EVP & Chief Financial Officer
Transactions
  • Tax Payment

    Class A Common Stock

    2023-02-28$29.54/sh10,433$308,191220,418 total
  • Exercise/Conversion

    Restricted Stock Units

    2023-02-284,7859,568 total
    Class A Common Stock (4,785 underlying)
  • Exercise/Conversion

    Class A Common Stock

    2023-02-28+6,635202,173 total
  • Exercise/Conversion

    Class A Common Stock

    2023-02-28+5,595207,768 total
  • Exercise/Conversion

    Restricted Stock Units

    2023-02-286,6360 total
    Class A Common Stock (6,636 underlying)
  • Exercise/Conversion

    Class A Common Stock

    2023-02-28+4,785212,553 total
  • Exercise/Conversion

    Restricted Stock Units

    2023-02-285,5955,595 total
    Class A Common Stock (5,595 underlying)
  • Award

    Class A Common Stock

    2023-02-28+18,298230,851 total
Footnotes (8)
  • [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]Total holdings include shares of Class A Common Stock acquired through the Issuer's Employee Stock Purchase Plan on April 14, 2022 and October 18, 2022.
  • [F4]Reflects shares of Class A Common Stock earned and delivered on performance units previously granted based upon the satisfaction of certain performance criteria.
  • [F5]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.
  • [F6]These restricted stock units vest in three equal annual installments beginning on February 28, 2021.
  • [F7]These restricted stock units vest in three equal annual installments beginning on February 28, 2022.
  • [F8]These restricted stock units vest in three equal annual installments beginning on February 28, 2023.

Issuer

Summit Materials, Inc.

CIK 0001621563

Entity typeother

Related Parties

1
  • filerCIK 0001635271

Filing Metadata

Form type
4
Filed
Feb 28, 7:00 PM ET
Accepted
Mar 1, 5:40 PM ET
Size
17.7 KB