ONE STOP SYS INC

Ticker: OSS CUSIP: 68247W109 Class: COM

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

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

Q2 2018
Shares 50,000 Value ($000) $209 Avg Close $4.51 Range $4.10 - $5.03
Q1 2018
Shares 50,000 Value ($000) $220 Avg Close $4.99 Range $4.40 - $6.25