X0306 4 2019-02-11 false 0001336917 Under Armour, Inc. UA 0001698899 Stanton John Patrick 1020 HULL STREET BALTIMORE MD 21230 false true false false EVP, General Counsel Class C Common Stock 1007 I By Trust Class C Common Stock 2019-02-11 4 A false 48670 0 A 187861 D These shares are held in a trust for the benefit of the mother-in-law of the Reporting Person. The spouse of the Reporting Person is co-trustee of the trust. The Reporting Person disclaims beneficial ownership of these securities, and the filing of this report is not an admission that the reporting person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose. In 2018, the Reporting Person was granted performance based restricted stock units tied to the performance of the Company in 2018. Based on the performance of the Company, the award will now vest in four equal annual installments beginning February 15, 2019. Does not include Class A Common Stock held by the Reporting Person. /s/ Mehri F. Shadman, Attorney in Fact for John P. Stanton 2019-02-12