X0201 4/A 2003-07-30 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 2003-07-30 4 S 0 1100 11.73 D 2030314 I By Idanta Partners Common 2003-07-30 4 S 0 800 11.72 D 2029514 I By Idanta Partners Common 2003-07-30 4 S 0 150 11.71 D 2029364 I By Idanta Partners Common 2003-07-30 4 S 0 2800 11.7 D 2026564 I By Idanta Partners Common 2003-07-30 4 S 0 800 11.69 D 2025764 I By Idanta Partners Common 2003-07-30 4 S 0 550 11.68 D 2025214 I By Idanta Partners Common 2003-07-30 4 S 0 50 11.67 D 2025164 I By Idanta Partners Common 2003-07-30 4 S 0 1250 11.65 D 2023914 I By Idanta Partners Common 2003-07-30 4 S 0 1100 11.73 D 569862 I By Family Trust Common 2003-07-30 4 S 0 800 11.72 D 569062 I By Family Trust Common 2003-07-30 4 S 0 150 11.71 D 568912 I By Family Trust Common 2003-07-30 4 S 0 2800 11.7 D 566112 I By Family Trust Common 2003-07-30 4 S 0 800 11.69 D 565312 I By Family Trust Common 2003-07-30 4 S 0 550 11.68 D 564762 I By Family Trust Common 2003-07-30 4 S 0 50 11.67 D 564712 I By Family Trust Common 2003-07-30 4 S 0 1250 11.65 D 563462 I By Family Trust Common 480 I By spouse A non-reportable pro rata distribution of 2.2 million shares of the Company securities was made on July 22, 2003, to certain partners of Idanta Partners Ltd. ("Idanta"). The reporting person did not participate in the distribution. Pursuant to General Instruction 4(b)(iv) of Form 4, the undersigned, trustee of the trust which is a general partner of 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. The amendment is for the purpose of including this line entry which was inadvertently omitted from the preceding Form 4 filed on 07/31/2003. David J. Dunn 2003-07-31