Summit Materials, Inc.

CUSIP: 86614u100 Class: COM

New England Research & Management, Inc.'s Holding History (CIK: 0001596077)

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

Q2 2022
Shares 9,911 Value ($000) $231 Avg Close — Range —
Q1 2022
Shares 16,150 Value ($000) $502 Avg Close — Range —
Q4 2021
Shares 16,150 Value ($000) $648 Avg Close — Range —
Q1 2019
Shares 14,123 Value ($000) $224 Avg Close — Range —
Q4 2018
Shares 14,419 Value ($000) $179 Avg Close — Range —
Q3 2018
Shares 18,108 Value ($000) $329 Avg Close — Range —
Q2 2018
Shares 19,628 Value ($000) $515 Avg Close — Range —
Q1 2018
Shares 19,932 Value ($000) $604 Avg Close — Range —
Q4 2017
Shares 15,318 Value ($000) $482 Avg Close — Range —