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Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0000912562-18-000010
Filing Date
2018-04-12
Accepted
2018-04-12 16:36:12
Documents
1
Effectiveness Date
2018-04-12

Document Format Files

Seq Description Document Type Size
1 DEFA14A a2018supplementtoproxystat.htm DEFA14A 33400
  Complete submission text file 0000912562-18-000010.txt   34581
Mailing Address GATEWAY EXECUTIVE PARK 3556 LAKE SHORE ROAD PO BOX 2028 BUFFALO NY 14219-0228
Business Address 3556 LAKE SHORE ROAD P O BOX 2028 BUFFALO NY 14219-0228 7168266500
GIBRALTAR INDUSTRIES, INC. (Filer) CIK: 0000912562 (see all company filings)

IRS No.: 161445150 | State of Incorp.: DE | Fiscal Year End: 1231
Type: DEFA14A | Act: 34 | File No.: 000-22462 | Film No.: 18752433
SIC: 3310 Steel Works, Blast Furnaces & Rolling & Finishing Mills
Assistant Director 6