SUMMIT MATERIALS, INC.

PrivateCIK: 1621563
Location

DENVER, CO

Total Insiders

36

Active leadership & owners

Board Directors

18

Governing body

Corporate Officers

18

Executive management

10%+ Owners

5

Major shareholders

Active Insiders

36

Currently serving

Former Insiders

0

Past roles

ARGOS SEM, LLC
Director10% Owner
Position
TenureSince Jan 2024
Holdings
CEMENTOS ARGOS S.A.
Director10% Owner
Position
TenureSince Feb 2025
Holdings
GRUPO ARGOS S.A.
Director10% Owner
Position
TenureSince Feb 2025
Holdings
LONGLEAF PARTNERS FUNDS TRUST
10% Owner
Position
TenureSince Jun 2019
Holdings
SOUTHEASTERN ASSET MANAGEMENT INC/TN/
10% Owner
Position
TenureSince Jun 2019
Holdings
CALLE JUAN ESTEBAN
Director
Position
TenureSince Jan 2024
Holdings
CANTIE JOSEPH S
Director
Position
TenureSince Feb 2019
Holdings
COONEY ANNE M
Director
Position
TenureSince Aug 2018
Holdings
ELLERBUSCH SUSAN A
Director
Position
TenureSince Aug 2018
Holdings
GARDNER TED A
Director
Position
TenureSince Feb 2019
Holdings
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