KOSS CORP

Ticker: KOSS CUSIP: 500692108 Class: COM

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q1 2016
Shares 411 Value ($000) $1 Avg Close $2.02 Range $1.51 - $2.35
Q4 2015
Shares 662 Value ($000) $1 Avg Close $2.13 Range $1.91 - $2.96