United States SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) | x | Quarterly Report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the quarterly period ended: | | --- | --- | | | March 31, 2019 | | | or | | ¨ | Transition Report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the transition period from: | | to | | Commission file number: 1-10686 MANPOWERGROUP INC. (Exact name of registrant as specified in its ...