| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G/A | 2012-02-13 | BlackRock Inc. | Digimarc CORP | 411,123 | 5.9% | EDGAR |
| SC 13G | 2012-02-13 | TURNER INVESTMENT PARTNERS INC | Digimarc CORP | 393,308 | 5.6% | EDGAR |
| SC 13G/A | 2012-02-08 | BURNHAM ASSET MANAGEMENT CORP /NY/ | Digimarc CORP | 174,708 | 2.5% | EDGAR |
| SC 13G/A | 2012-02-06 | Samjo Capital LLC | Digimarc CORP | 362,400 | 5.2% | EDGAR |
| SC 13G/A | 2012-02-01 | BURNHAM ASSET MANAGEMENT CORP /NY/ | Digimarc CORP | 635,244 | 9.1% | EDGAR |
| SC 13G/A | 2011-02-14 | KONINKLIJKE PHILIPS ELECTRONICS NV | Digimarc CORP | 0 | 0.0% | EDGAR |
| SC 13G | 2011-02-04 | BlackRock Inc. | Digimarc CORP | 437,320 | 5.9% | EDGAR |
| SC 13G | 2011-01-10 | Samjo Capital LLC | Digimarc CORP | 408,400 | 5.5% | EDGAR |
| SC 13G/A | 2010-02-12 | BURNHAM ASSET MANAGEMENT CORP /NY/ | Digimarc CORP | 781,033 | 10.8% | EDGAR |
| SC 13G/A | 2010-02-08 | DIMENSIONAL FUND ADVISORS LP | Digimarc CORP | 314,967 | 4.3% | EDGAR |
| SC 13G | 2009-07-16 | KONINKLIJKE PHILIPS ELECTRONICS NV | Digimarc CORP | 552,536 | 7.6% | EDGAR |
| SC 13G | 2009-02-06 | BURNHAM ASSET MANAGEMENT CORP /NY/ | Digimarc CORP | 670,430 | 9.2% | EDGAR |