Summit Materials, Inc.

CUSIP: 86614u100 Class: COM

Ancora Advisors LLC's Holding History (CIK: 0001446114)

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

Q4 2021
Shares 90,251 Value ($000) $3,623 Avg Close — Range —
Q3 2021
Shares 94,321 Value ($000) $3,015 Avg Close — Range —
Q2 2021
Shares 93,410 Value ($000) $3,255 Avg Close — Range —
Q1 2021
Shares 160,060 Value ($000) $4,485 Avg Close — Range —
Q4 2020
Shares 160,060 Value ($000) $3,214 Avg Close — Range —