| SC 13G/A | 2013-02-13 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | WPP plc | 70,049,062 | 5.5% | EDGAR |
| SC 13G/A | 2012-02-14 | FMR LLC | WPP plc | 49,021,248 | 3.9% | EDGAR |
| SC 13G | 2012-01-31 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | WPP plc | 70,850,166 | 5.6% | EDGAR |
| SC 13G/A | 2011-12-09 | BlackRock Inc. | WPP plc | 62,919,656 | 5.0% | EDGAR |
| SC 13G | 2011-02-14 | FMR LLC | WPP plc | 75,505,930 | 6.0% | EDGAR |
| SC 13G/A | 2011-02-09 | BlackRock Inc. | WPP plc | 82,365,894 | 6.5% | EDGAR |
| SC 13G/A | 2011-02-01 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | WPP plc | 57,312,561 | 4.5% | EDGAR |
| SC 13G/A | 2010-02-05 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | WPP plc | 95,949,753 | 7.7% | EDGAR |
| SC 13G | 2010-01-29 | BlackRock Inc. | WPP plc | 63,725,042 | 5.1% | EDGAR |
| SC 13G | 2009-02-11 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | WPP plc | 110,709,330 | 8.8% | EDGAR |
| SC 13D/A | 2005-03-03 | WPP GROUP PLC | GREY GLOBAL GROUP INC | 161,721 | 13.6% | EDGAR |
| SC 13D/A | 2005-02-28 | WPP GROUP PLC | GREY GLOBAL GROUP INC | 161,721 | 13.6% | EDGAR |
| SC 13D/A | 2004-12-28 | WPP GROUP PLC | GREY GLOBAL GROUP INC | 161,721 | 13.6% | EDGAR |
| SC 13D | 2004-09-21 | WPP GROUP PLC | GREY GLOBAL GROUP INC | 149,158 | 12.8% | EDGAR |