| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G | 2012-02-09 | BlackRock Inc. | IMATION CORP | 1,910,409 | 5.0% | EDGAR |
| SC 13G/A | 2012-01-25 | WELLS FARGO & CO/MN | IMATION CORP | 3,727,233 | 9.8% | EDGAR |
| SC 13G/A | 2011-09-09 | BlackRock Inc. | IMATION CORP | 1,918,152 | 5.0% | EDGAR |
| SC 13G/A | 2011-02-14 | WELLINGTON MANAGEMENT CO LLP | IMATION CORP | 1,395,547 | 3.6% | EDGAR |
| SC 13G/A | 2011-02-11 | DIMENSIONAL FUND ADVISORS LP | IMATION CORP | 3,305,823 | 8.5% | EDGAR |
| SC 13G/A | 2011-02-10 | ARTISAN PARTNERS HOLDINGS LP | IMATION CORP | 0 | 0.0% | EDGAR |
| SC 13G | 2011-02-04 | BlackRock Inc. | IMATION CORP | 2,318,752 | 6.0% | EDGAR |
| SC 13G/A | 2011-01-20 | WELLS FARGO & CO/MN | IMATION CORP | 3,950,871 | 10.2% | EDGAR |
| SC 13G/A | 2010-06-23 | WELLS FARGO & CO/MN | IMATION CORP | 4,216,799 | 11.1% | EDGAR |
| SC 13G/A | 2010-06-11 | WELLS FARGO & CO/MN | IMATION CORP | 6,576,242 | 17.2% | EDGAR |
| SC 13G | 2010-02-12 | WELLINGTON MANAGEMENT CO LLP | IMATION CORP | 2,644,095 | 6.9% | EDGAR |
| SC 13G/A | 2010-02-11 | WELLS FARGO & CO/MN | IMATION CORP | 4,216,799 | 11.1% | EDGAR |
| SC 13G | 2010-02-11 | ARTISAN PARTNERS HOLDINGS LP | IMATION CORP | 1,925,100 | 5.1% | EDGAR |
| SC 13G/A | 2010-02-08 | DIMENSIONAL FUND ADVISORS LP | IMATION CORP | 3,175,327 | 8.3% | EDGAR |
| SC 13G/A | 2010-01-22 | WELLS FARGO & CO/MN | IMATION CORP | 3,357,269 | 8.8% | EDGAR |
| SC 13G/A | 2009-02-13 | PRIVATE CAPITAL MANAGEMENT | IMATION CORP | 36 | 3.6% | EDGAR |
| SC 13G/A | 2009-02-09 | DIMENSIONAL FUND ADVISORS INC | IMATION CORP | 2,919,013 | 7.8% | EDGAR |
| SC 13G | 2009-02-05 | BARCLAYS GLOBAL INVESTORS NA /CA/ | IMATION CORP | 1,010,450 | 2.7% | EDGAR |
| SC 13G | 2009-02-02 | WELLS FARGO & CO/MN | IMATION CORP | 3,111,184 | 8.3% | EDGAR |
| SC 13G/A | 2009-01-15 | VAN DEN BERG MANAGEMENT INC/TX | IMATION CORP | 1,002,573 | 2.7% | EDGAR |