SPARTON CORP

CUSIP: 847235108 Class: COM

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

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

Q3 2018
Shares 100 Value ($000) $1 Avg Close — Range —
Q2 2017
Shares 1,287 Value ($000) $28 Avg Close — Range —
Q1 2017
Shares 13,224 Value ($000) $278 Avg Close — Range —
Q4 2016
Shares 1,317 Value ($000) $31 Avg Close — Range —
Q3 2016
Shares 2,500 Value ($000) $66 Avg Close — Range —
Q3 2015
Shares 800 Value ($000) $17 Avg Close — Range —