Summit Materials, Inc.

CUSIP: 86614u100 Class: COM

ARGENT CAPITAL MANAGEMENT LLC's Holding History (CIK: 0001120926)

Note: Option positions (PUT/CALL) are excluded.

Q2 2018
Shares 115,940 Value ($000) $3,043 Avg Close — Range —
Q1 2018
Shares 115,940 Value ($000) $3,511 Avg Close — Range —
Q4 2017
Shares 115,421 Value ($000) $3,688 Avg Close — Range —
Q3 2017
Shares 153,045 Value ($000) $4,902 Avg Close — Range —
Q2 2017
Shares 152,095 Value ($000) $4,391 Avg Close — Range —
Q1 2017
Shares 163,345 Value ($000) $4,036 Avg Close — Range —
Q4 2016
Shares 154,629 Value ($000) $3,679 Avg Close — Range —
Q3 2016
Shares 94,675 Value ($000) $1,756 Avg Close — Range —
Q2 2016
Shares 116,850 Value ($000) $2,391 Avg Close — Range —
Q1 2016
Shares 65,350 Value ($000) $1,271 Avg Close — Range —