SUMMIT MATLS INC

CUSIP: 86614U100 Class: Common Stock

OBERWEIS ASSET MANAGEMENT INC/'s Holding History (CIK: 0000937886)

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

Q4 2021
Shares 9,700 Value ($000) $389 Avg Close — Range —
Q3 2021
Shares 9,300 Value ($000) $297 Avg Close — Range —
Q2 2021
Shares 7,700 Value ($000) $268 Avg Close — Range —