| SC 13G/A | 2021-05-10 | PRICE T ROWE ASSOCIATES INC /MD/ | PROOFPOINT INC | 2,523,194 | 4.4% | EDGAR |
| SC 13G/A | 2021-02-10 | VANGUARD GROUP INC | PROOFPOINT INC | 5,456,323 | 9.5% | EDGAR |
| SC 13G | 2021-02-05 | BlackRock Inc. | PROOFPOINT INC | 3,249,892 | 5.6% | EDGAR |
| SC 13G/A | 2021-01-11 | PRICE T ROWE ASSOCIATES INC /MD/ | PROOFPOINT INC | 7,632,694 | 13.2% | EDGAR |
| SC 13G/A | 2020-10-13 | PRICE T ROWE ASSOCIATES INC /MD/ | PROOFPOINT INC | 4,926,886 | 8.5% | EDGAR |
| SC 13G/A | 2020-02-14 | PRICE T ROWE ASSOCIATES INC /MD/ | PROOFPOINT INC | 8,308,498 | 14.7% | EDGAR |
| SC 13G/A | 2020-02-12 | VANGUARD GROUP INC | PROOFPOINT INC | 5,240,689 | 9.3% | EDGAR |
| SC 13G/A | 2019-02-14 | PRICE T ROWE ASSOCIATES INC /MD/ | PROOFPOINT INC | 8,048,379 | 14.7% | EDGAR |
| SC 13G/A | 2019-02-12 | VANGUARD GROUP INC | PROOFPOINT INC | 4,840,692 | 8.8% | EDGAR |
| SC 13G/A | 2019-02-07 | Artisan Partners Limited Partnership | PROOFPOINT INC | 451,495 | 0.8% | EDGAR |
| SC 13G/A | 2018-09-10 | PRICE T ROWE ASSOCIATES INC /MD/ | PROOFPOINT INC | 5,299,356 | 10.3% | EDGAR |
| SC 13G/A | 2018-07-10 | BlackRock Inc. | PROOFPOINT INC | 2,462,984 | 4.8% | EDGAR |
| SC 13G/A | 2018-04-10 | WELLS FARGO & COMPANY/MN | PROOFPOINT INC | 2,255,555 | 4.4% | EDGAR |
| SC 13G/A | 2018-02-14 | PRICE T ROWE ASSOCIATES INC /MD/ | PROOFPOINT INC | 4,184,997 | 9.3% | EDGAR |
| SC 13G/A | 2018-02-12 | VANGUARD GROUP INC | PROOFPOINT INC | 3,606,875 | 8.0% | EDGAR |
| SC 13G | 2018-02-07 | Artisan Partners Limited Partnership | PROOFPOINT INC | 3,152,336 | 7.0% | EDGAR |
| SC 13G | 2018-01-30 | WELLS FARGO & COMPANY/MN | PROOFPOINT INC | 2,759,763 | 6.2% | EDGAR |
| SC 13G/A | 2018-01-29 | BlackRock Inc. | PROOFPOINT INC | 3,261,188 | 7.3% | EDGAR |
| SC 13G/A | 2017-11-13 | PRICE T ROWE ASSOCIATES INC /MD/ | PROOFPOINT INC | 4,582,330 | 10.2% | EDGAR |
| SC 13G/A | 2017-03-10 | WELLS FARGO & COMPANY/MN | PROOFPOINT INC | 2,123,280 | 4.9% | EDGAR |