| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13D/A | 2015-10-30 | TDK CORP | IMATION CORP | 915,000 | 2.6% | EDGAR |
| SC 13D/A | 2015-09-30 | TDK CORP | IMATION CORP | 7,590,764 | 18.2% | EDGAR |
| SC 13G/A | 2015-02-17 | WELLS FARGO & COMPANY/MN | IMATION CORP | 4,378,712 | 10.4% | EDGAR |
| SC 13G/A | 2015-02-13 | ARIEL INVESTMENTS, LLC | IMATION CORP | - | - | EDGAR |
| SC 13G | 2015-02-12 | Private Capital Management, LLC | IMATION CORP | - | 8.5% | EDGAR |
| SC 13G/A | 2015-02-05 | WELLS FARGO & COMPANY/MN | IMATION CORP | 4,020,421 | 9.5% | EDGAR |
| SC 13G/A | 2015-02-05 | DIMENSIONAL FUND ADVISORS LP | IMATION CORP | 3,079,966 | 7.3% | EDGAR |
| SC 13G/A | 2014-07-10 | BlackRock Inc. | IMATION CORP | 908,647 | 2.2% | EDGAR |
| SC 13G/A | 2014-02-14 | ARIEL INVESTMENTS, LLC | IMATION CORP | - | - | EDGAR |
| SC 13G/A | 2014-02-10 | DIMENSIONAL FUND ADVISORS LP | IMATION CORP | 3,054,254 | 7.3% | EDGAR |
| SC 13G/A | 2014-01-29 | BlackRock Inc. | IMATION CORP | 2,871,215 | 6.9% | EDGAR |
| SC 13G/A | 2014-01-28 | WELLS FARGO & COMPANY/MN | IMATION CORP | 4,290,562 | 10.3% | EDGAR |
| SC 13G | 2013-08-09 | ARIEL INVESTMENTS, LLC | IMATION CORP | - | - | EDGAR |
| SC 13G/A | 2013-03-29 | WELLS FARGO & COMPANY/MN | IMATION CORP | 4,056,912 | 10.6% | EDGAR |
| SC 13G/A | 2013-02-13 | WELLS FARGO & COMPANY/MN | IMATION CORP | 4,058,844 | 10.6% | EDGAR |
| SC 13G/A | 2013-02-11 | DIMENSIONAL FUND ADVISORS LP | IMATION CORP | 3,053,295 | 8.0% | EDGAR |
| SC 13G | 2013-01-30 | BlackRock Inc. | IMATION CORP | 1,997,475 | 5.2% | EDGAR |
| SC 13G/A | 2012-04-11 | BlackRock Inc. | IMATION CORP | 1,898,987 | 5.0% | EDGAR |
| SC 13G/A | 2012-03-12 | WELLS FARGO & CO/MN | IMATION CORP | 3,853,214 | 10.1% | EDGAR |
| SC 13G/A | 2012-02-14 | DIMENSIONAL FUND ADVISORS LP | IMATION CORP | 3,027,348 | 7.9% | EDGAR |