SUMMIT MATLS INC

CUSIP: 86614U100 Class: Common Stock

NEXT CENTURY GROWTH INVESTORS LLC's Holding History (CIK: 0001134007)

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

Q2 2018
Shares 207,329 Value ($000) $5,442 Avg Close — Range —
Q1 2018
Shares 222,261 Value ($000) $6,730 Avg Close — Range —
Q4 2017
Shares 274,988 Value ($000) $8,645 Avg Close — Range —
Q3 2017
Shares 294,587 Value ($000) $9,435 Avg Close — Range —
Q2 2017
Shares 398,992 Value ($000) $11,518 Avg Close — Range —
Q1 2017
Shares 538,018 Value ($000) $13,294 Avg Close — Range —
Q4 2016
Shares 889,294 Value ($000) $21,156 Avg Close — Range —