0000935036-05-000046 8-K 2 20050805 1.01 9.01 20050809 20050809 TRANSACTION SYSTEMS ARCHITECTS INC 0000935036 7372 470772104 DE 0930 8-K 34 000-25346 051007727 224 SOUTH 108TH AVE OMAHA NE 68154 4023907600 224 SOUTH 108TH OMAHA NE 68154 8-K 1 form8kderkachtagreementno4.htm FORM 8-K -- FOURTH AMENDED AND RESTATED DERKACHT AGREEMENT EX-10.1 2 ex10_1to8k.htm EXHIBIT 10.1 TO FORM 8-K -- 4TH DERKACHT EMPLOYMENT AGREEMENT