GIBRALTAR INDS INC

Ticker: ROCK CUSIP: 374689107 Class: EQTY

OAK ASSOCIATES LTD /OH/'s Holding History (CIK: 0000836372)

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

Q3 2017
Shares 10,660 Value ($000) $332 Avg Close $30.18 Range $25.61 - $36.08
Q2 2017
Shares 10,660 Value ($000) $380 Avg Close $35.29 Range $30.40 - $41.40
Q1 2017
Shares 10,660 Value ($000) $439 Avg Close $41.84 Range $38.55 - $45.05