| SC 13G/A | 2024-04-05 | BlackRock Inc. | WPP plc | 121,335,668 | 11.3% | EDGAR |
| SC 13G/A | 2024-01-25 | BlackRock Inc. | WPP plc | 95,560,412 | 8.9% | EDGAR |
| SC 13G/A | 2023-01-25 | BlackRock Inc. | WPP plc | 95,737,028 | 8.9% | EDGAR |
| SC 13G/A | 2022-02-11 | HARRIS ASSOCIATES L P | WPP plc | 37,709,446 | 3.3% | EDGAR |
| SC 13G/A | 2022-02-07 | BlackRock Inc. | WPP plc | 89,303,515 | 7.7% | EDGAR |
| SC 13G/A | 2021-02-12 | HARRIS ASSOCIATES L P | WPP plc | 72,565,432 | 5.9% | EDGAR |
| SC 13G/A | 2021-02-01 | BlackRock Inc. | WPP plc | 91,186,773 | 7.4% | EDGAR |
| SC 13G/A | 2020-02-14 | HARRIS ASSOCIATES L P | WPP plc | 82,251,049 | 6.5% | EDGAR |
| SC 13G/A | 2020-02-14 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | WPP plc | 51,603,778 | 4.1% | EDGAR |
| SC 13G/A | 2020-02-06 | BlackRock Inc. | WPP plc | 93,945,746 | 7.5% | EDGAR |
| SC 13G/A | 2019-02-14 | HARRIS ASSOCIATES L P | WPP plc | 96,244,953 | 7.6% | EDGAR |
| SC 13G/A | 2019-02-13 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | WPP plc | 101,011,959 | 8.0% | EDGAR |
| SC 13G/A | 2019-02-06 | BlackRock Inc. | WPP plc | 82,705,453 | 6.6% | EDGAR |
| SC 13D/A | 2018-12-20 | WPP plc | OptimizeRx Corp | 0 | 0.0% | EDGAR |
| SC 13D/A | 2018-06-26 | WPP plc | Globant S.A. | 0 | 0.0% | EDGAR |
| SC 13D/A | 2018-04-06 | WPP plc | COMSCORE, INC. | 11,319,363 | 20.7% | EDGAR |
| SC 13G | 2018-02-14 | HARRIS ASSOCIATES L P | WPP plc | 94,310,294 | 7.4% | EDGAR |
| SC 13G/A | 2018-02-09 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | WPP plc | 119,558,954 | 9.4% | EDGAR |
| SC 13G/A | 2018-01-30 | BlackRock Inc. | WPP plc | 82,086,826 | 6.5% | EDGAR |
| SC 13G/A | 2017-02-14 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | WPP plc | 93,502,437 | 7.3% | EDGAR |