ARIBA, INC. (ARBA)

Insider Buying

Transaction Date	Owner	Shares Purchased	Edgar filing
03/01/2010	WALLMAN RICHARD F	200	View Filing
11/19/2008	MONAHAN THOMAS	10,000	View Filing

Insider Selling

Transaction Date	Owner	Shares Sold	Edgar filing
03/09/2010	CALDERONI ROBERT	18,553	View Filing
03/08/2010	CALDERONI ROBERT	25,000	View Filing
03/08/2010	PARKER KENT	37,449	View Filing
03/05/2010	PARKER KENT	1,876	View Filing
02/02/2010	CALDERONI ROBERT	56,553	View Filing
12/23/2009	PARKER KENT	38,754	View Filing
12/23/2009	COSTELLO KEVIN	53,625	View Filing
12/18/2009	PARKER KENT	13,749	View Filing
12/15/2009	PARKER KENT	25,005	View Filing
12/11/2009	COSTELLO KEVIN	54,995	View Filing
12/09/2009	PARKER KENT	18,601	View Filing
11/23/2009	CALDERONI ROBERT	117,089	View Filing
11/23/2009	COSTELLO KEVIN	2,551	View Filing
11/20/2009	PARKER KENT	10,455	View Filing
11/15/2009	RUBAIE AHMED	31,516	View Filing
11/15/2009	CALDERONI ROBERT	86,581	View Filing
11/15/2009	COSTELLO KEVIN	4,573	View Filing
08/31/2009	KNOWLING ROBERT E JR	10,843	View Filing
08/21/2009	RUBAIE AHMED	19,847	View Filing
08/12/2009	CALDERONI ROBERT	50,000	View Filing
08/12/2009	COSTELLO KEVIN	26,035	View Filing
08/12/2009	PARKER KENT	19,414	View Filing
08/10/2009	PARKER KENT	8,669	View Filing
08/10/2009	WALLMAN RICHARD F	10,843	View Filing
06/15/2009	JOHNSON ROBERT D	25,000	View Filing
06/10/2009	CALDERONI ROBERT	50,000	View Filing
06/05/2009	PARKER KENT	10,830	View Filing
06/03/2009	COSTELLO KEVIN	21,400	View Filing
06/02/2009	COSTELLO KEVIN	30,000	View Filing
06/02/2009	CALDERONI ROBERT	100,000	View Filing
06/01/2009	COSTELLO KEVIN	15,000	View Filing
05/08/2009	CALDERONI ROBERT	40,000	View Filing
05/07/2009	COSTELLO KEVIN	8,500	View Filing
05/07/2009	CALDERONI ROBERT	60,000	View Filing
05/06/2009	COSTELLO KEVIN	5,000	View Filing
05/06/2009	PARKER KENT	3,300	View Filing
05/05/2009	COSTELLO KEVIN	50,000	View Filing
08/12/2008	CALDERONI ROBERT	102,000	View Filing
08/12/2008	PARKER KENT	13,411	View Filing
08/08/2008	JOHNSON ROBERT D	9,681	View Filing