X0306 4 2015-12-31 false 0001096385 VECTREN CORP VVC 0001608929 Schach Eric J ONE VECTREN SQUARE P.O. BOX 209 EVANSVILLE IN 47708 false true false false SVP, Utility Ops. & Pres. VUHI Common Stock 2015-12-31 4 M false 15145.372 0.00 A 15145.372 D Common Stock 2015-12-31 4 D false 15145.372 42.53 D 0.00 D Phantom Stock 0.00 2015-12-31 4 M false 15145.372 D Common Stock 15145.372 0.00 D The stock unit awards vesting as of December 31, 2015, were settled for cash. The value of each stock unit award was the economic equivalent of one share of Vectren Corporation common stock. The stock unit award was acquired pursuant to the Vectren Corporation At-Risk Compensation Plan and is subject to forfeiture as provided by the Plan and the Plan Agreement. The lifting of restrictions and the forfeitability provisions is dependent upon performance during a measuring period from January 1, 2012 through December 31, 2014 and, subject to certain enumerated circumstances, continued employment until December 31, 2015. The board of directors approved the acquisition in accordance with Rule 16b-3(d). /s/Ronald E. Christian 2016-01-05