X0306 4 2019-03-04 false 0000876437 MGIC INVESTMENT CORP MTG 0001465105 Mattke Timothy J. C/O MGIC INVESTMENT CORPORATION 250 EAST KILBOURN AVENUE MILWAUKEE WI 53202 false true false false Executive Vice Preident & CFO Common Stock 2019-03-04 4 F false 15025.00 13.05 D 602553.00 D Common Stock Common Stock 866.084 956.626 I By Issuer's Profit Sharing & Savings Plan The conversion price varies with the price of the Issuer's common stock. At any given time, the conversion price is equal to the closing price of the Issuer's common stock on the New York Stock Exchange on the previous trading day. These derivative securities may be exercised at any time. These derivative securities do not have any expiration date. Balance as of December 31, 2018. 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 2019-03-04