X0306 4/A 2018-03-04 2018-03-05 false 0000876437 MGIC INVESTMENT CORP MTG 0001601481 Sperber Julie K. C/O MGIC INVESTMENT CORPORATION 250 EAST KILBOURN AVENUE MILWAUKEE WI 53202 false true false false VP-Chief Accounting Officer Common Stock 2018-03-27 4 J false 0.00 0.00 D 96561.00 D Common Stock 12198.00 I By Spouse There is no transaction occurring. This Amended Form 4 is filed to reflect the 12,198 shares held by the Reporting Person's spouse that were inadvertently omitted from the previously filed Form 4. Pursuant to Instruction 9(a) of Form 4, only the lines of the original Form 4 requiring correction or amendment are being restated on this Amended Form 4. This Form 4 is being signed by the Reporting Person's attorney-in-fact pursuant to a previously filed power of attorney. Martha F. Tsuchihashi, Attorney-in-Fact 2018-03-27