GIBRALTAR INDS INC

Ticker: ROCK CUSIP: 374689107 Class: EQTY

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

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

Q4 2020
Shares 1,152 Value ($000) $83 Avg Close $66.77 Range $56.97 - $74.00
Q3 2020
Shares 446 Value ($000) $29 Avg Close $59.00 Range $45.82 - $69.64
Q1 2020
Shares 385 Value ($000) $17 Avg Close $50.01 Range $30.60 - $56.58
Q4 2018
Shares 1,230 Value ($000) $44 Avg Close $36.48 Range $31.96 - $46.61
Q3 2018
Shares 4,997 Value ($000) $228 Avg Close $43.25 Range $36.50 - $49.10
Q1 2018
Shares 687 Value ($000) $23 Avg Close $34.72 Range $30.06 - $38.80
Q4 2016
Shares 604 Value ($000) $25 Avg Close $41.33 Range $34.54 - $48.05
Q3 2016
Shares 244 Value ($000) $9 Avg Close $36.62 Range $31.35 - $40.00
Q2 2016
Shares 2,410 Value ($000) $76 Avg Close $28.78 Range $24.12 - $32.46
Q1 2016
Shares 3,858 Value ($000) $110 Avg Close $23.31 Range $18.23 - $28.75
Q4 2015
Shares 9,200 Value ($000) $234 Avg Close $23.97 Range $17.79 - $27.89
Q3 2015
Shares 1,700 Value ($000) $31 Avg Close $18.32 Range $15.94 - $21.49
Q2 2015
Shares 1,800 Value ($000) $37 Avg Close $18.15 Range $15.75 - $21.38