MISTRAS GROUP INC

Ticker: MG CUSIP: 60649T107 Class: Common Stock

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

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

Q4 2017
Shares 2,646 Value ($000) $62 Avg Close $21.79 Range $19.00 - $23.74