SUM

Summit Materials, Inc.

Insider Trades

Actor	Holding Value	Last Transaction	Amount	Transaction Price	Current Price
Anderson Craig ScottEVP & Chief Financial Officer $042.4k shares OtherFeb 10, 2025 $2.2M42.4k shares $52.50 --
Anderson Karli S.See Remarks $048.3k shares OtherFeb 10, 2025 $2.5M48.3k shares $52.50 --
DePriest CharlesSee Remarks $020.9k shares OtherFeb 10, 2025 $1.1M20.9k shares $52.50 --
Ellerbusch Susan ADirector $023.4k shares OtherFeb 10, 2025 $1.2M23.4k shares $52.50 --
Gaskill Christopher BurkeSee Remarks $044.7k shares OtherFeb 10, 2025 $2.3M44.7k shares $52.50 --
Grupo Argos S.A.Director, 10 Percent Owner: $06.2M shares OtherFeb 10, 2025 $324.1M6.2M shares $52.50 --