AUTHENTIDATE HOLDING CORP. (ADAT)

Insider Buying

Transaction Date	Owner	Shares Purchased	Edgar filing
03/31/2009	BENJAMIN O'CONNELL	185,000	View Filing
03/31/2009	WATERS JOHN J	370,000	View Filing
03/31/2009	MARSHALL WILLIAM A	185,000	View Filing
03/31/2009	WATERS JOHN J	370,000	View Filing
03/31/2009	LUCE J DAVID	250,000	View Filing
03/31/2009	MARSHALL WILLIAM A	185,000	View Filing
03/31/2009	LUCE J DAVID	250,000	View Filing
03/31/2009	BENJAMIN O'CONNELL	185,000	View Filing

Insider Selling

Transaction Date	Owner	Shares Sold	Edgar filing
No insider selling transactions found