X0306 4 2013-03-08 false 0000714603 DST SYSTEMS INC DST 0001193825 TRITT ROBERT L 333 WEST 11TH STREET KANSAS CITY MO 64105 false true false false Executive Vice President Common Stock 29886 I ESOP Common Stock 2013-03-08 4 F false 11474 69.475 D 20230 D Shares are allocated to the Reporting Persons account in The Employee Stock Ownership Plan of Issuer. The acquisition is exempt pursuant to Rule 16b-3(c). 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 Reporting Persons Tax Withholding Transactions for RSUs. The Reporting Person held RSUs, previously reported in other Section 16 filings, that vested on March 8, 2013. This form reports the number of shares retained in the March 8, 2013 Tax Withholding Transactions for the vesting. Randall D. Young for Robert L. Tritt by power of attorney 2013-03-11