X0306 4 2017-07-14 false 0000912562 GIBRALTAR INDUSTRIES, INC. ROCK 0001650726 Nish James B 3556 LAKE SHORE ROAD P.O. BOX 2028 BUFFALO NY 14219-0228 true false false false Common Stock (Restricted) 1322.00 D Deferred Stock Units 4423.00 D Restricted Stock Unit (MSPP Post-2012) 2017-07-14 4 A false 159.28 39.24 A Common Stock 159.28 3678.33 D Restricted Stock Unit (MSPP Match Post-2012) Common Stock 587.89 587.89 D Represents restricted stock units allocated to the Reporting Person after 2012 with respect to the Reporting Person's deferral of a portion of his annual director retainer fee. Restricted stock units are payable solely in cash in one lump sum payment or in five (5) or ten (10) consecutive, substantially equal annual installments, whichever distribution form is elected by the Reporting Person, beginning six (6) months following termination of service as a director of the Company. Each restricted stock unit is converted to cash in an amount equal to the fair market value (200 day rolling average) of one share of the Company's common stock on the date of termination of the Reporting Person's service as a director of the Company. Represents matching restricted stock units allocated to the Reporting Person after 2012 with respect to the Reporting Person's deferral of a portion of his annual retainer fee pursuant to the Company's Management Stock Purchase Plan. Restricted stock units are forfeited if Reporting Person's service as a director of the Company is terminated prior to age sixty (60). If service as a director continues through age sixty (60), restricted stock units are payable solely in cash in one lump sum payment or in five (5) or ten (10) consecutive, substantially equal annual installments, whichever distribution form is elected by the Reporting Person, beginning six (6) months following termination of service. Each restricted stock unit is converted to cash in an amount equal to the fair market value (200 day rolling average) of one share of the Company's common stock on the date of termination of the Reporting Person's service as a director of the Company. /s/ Paul J. Schulz, Attorney in Fact for James B. Nish 2017-07-18