SPARTON CORP

CUSIP: 847235108 Class: COM

DUMAC, INC.'s Holding History (CIK: 0001584258)

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

Q1 2018
Shares 13,143 Value ($000) $229 Avg Close — Range —
Q4 2017
Shares 55,000 Value ($000) $1,268 Avg Close — Range —