GIBRALTAR INDS INC

Ticker: ROCK CUSIP: 374689107 Class: EQTY

ACK Asset Management LLC's Holding History (CIK: 0001510940)

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

Q3 2015
Shares 425,000 Value ($000) $7,799 Avg Close $18.32 Range $15.94 - $21.49