X0306 4 2018-03-09 false 0000714603 DST SYSTEMS INC DST 0001387419 SWEETMAN MARY E 333 WEST 11TH STREET KANSAS CITY MO 64105 false true false false Sr VP & Chief Human Resources Common Stock 2018-03-09 4 F false 918 0 D 22985 D The Compensation Committee of the Issuers Board of Directors allows the withholding of shares (Tax Withholding Transactions) to satisfy the Reporting Persons income tax obligation from a vesting of Restricted Stock Units (RSUs). The Committee pre-approves, at the time of grant, the Tax Withholding Transactions. The Reporting Person holds RSUs reported in other Section 16 filings. This form reports the number of shares retained in the March 9, 2018 Tax Withholding Transactions. Randall D. Young for Mary E. Sweetman by power of attorney 2018-03-13