SUMMIT MATLS INC

CUSIP: 86614U100 Class: Common Stock

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

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

Q4 2022
Shares 31,976 Value ($000) $908 Avg Close — Range —
Q1 2021
Shares 110 Value ($000) $3 Avg Close — Range —
Q4 2020
Shares 51,537 Value ($000) $1,035 Avg Close — Range —
Q3 2019
Shares 144 Value ($000) $3 Avg Close — Range —
Q2 2019
Shares 42 Value ($000) $1 Avg Close — Range —
Q1 2019
Shares 6,600 Value ($000) $105 Avg Close — Range —
Q4 2018
Shares 6,600 Value ($000) $82 Avg Close — Range —
Q3 2018
Shares 547 Value ($000) $10 Avg Close — Range —
Q2 2018
Shares 5,081 Value ($000) $133 Avg Close — Range —
Q4 2017
Shares 88,041 Value ($000) $2,768 Avg Close — Range —
Q2 2017
Shares 32,072 Value ($000) $926 Avg Close — Range —
Q1 2017
Shares 1,333 Value ($000) $33 Avg Close — Range —
Q4 2016
Shares 2,994 Value ($000) $71 Avg Close — Range —
Q3 2016
Shares 160,956 Value ($000) $2,986 Avg Close — Range —