X0201 4 2003-07-31 0 0000352789 IOMEGA CORP IOM 0001228713 DUNN DAVID J 9255 TOWNE CENTRE DRIVE #925 SAN DIEGO CA 92121 1 0 0 0 Common 2003-07-31 4 S 0 1500 11.67 D 2022414 I By Idanta Partners Common 2003-07-31 4 S 0 300 11.68 D 2022114 I By Idanta Partners Common 2003-07-31 4 S 0 700 11.69 D 2021414 I By Idanta Partners Common 2003-07-31 4 S 0 550 11.72 D 2020864 I By Idanta Partners Common 2003-07-31 4 S 0 1050 11.77 D 2019814 I By Idanta Partners Common 2003-07-31 4 S 0 50 11.78 D 2019764 I By Idanta Partners Common 2003-07-31 4 S 0 1000 11.8 D 2018764 I By Idanta Partners Common 2003-07-31 4 S 0 1050 11.82 D 2017714 I By Idanta Partners Common 2003-07-31 4 S 0 100 11.88 D 2017614 I By Idanta Partners Common 2003-07-31 4 S 0 550 11.9 D 2017064 I By Idanta Partners Common 2003-07-31 4 S 0 600 11.91 D 2016464 I By Idanta Partners Common 2003-07-31 4 S 0 50 11.95 D 2016414 I By Idanta Partners Common 2003-07-31 4 S 0 1500 11.67 D 561962 I By Family Trust Common 2003-07-31 4 S 0 300 11.68 D 561662 I By Family Trust Common 2003-07-31 4 S 0 700 11.69 D 560962 I By Family Trust Common 2003-07-31 4 S 0 550 11.72 D 560412 I By Family Trust Common 2003-07-31 4 S 0 1050 11.77 D 559362 I By Family Trust Common 2003-07-31 4 S 0 50 11.78 D 559312 I By Family Trust Common 2003-07-31 4 S 0 1000 11.8 D 558312 I By Family Trust Common 2003-07-31 4 S 0 1050 11.82 D 557262 I By Family Trust Common 2003-07-31 4 S 0 100 11.88 D 557162 I By Family Trust Common 2003-07-31 4 S 0 550 11.9 D 556612 I By Family Trust Common 2003-07-31 4 S 0 600 11.91 D 556012 I By Family Trust Common 2003-07-31 4 S 0 50 11.95 D 555962 I By Family Trust Common 480 I By spouse Pursuant to General Instruction 4(b)(iv) of Form 4, the undersigned, Trustee of the Trust which is a general partner of Idanta Partners, Ltd. ("Idanta"), is reporting the entire amount of Idanta's holdings of securities of the Company. The undersigned disclaims beneficial ownership of all but his proportionate interest in such securities. Pursuant to General Instruction 4(b)(iv) of Form 4, the undersigned is reporting the entire amount of his wife's holdings of securities of the Company and disclaims beneficial ownership of these securities. David J. Dunn 2003-08-01