| SC 13G/A | 2019-02-11 | BlackRock Inc. | ELECTRO SCIENTIFIC INDUSTRIES INC | 4,893,858 | 14.3% | EDGAR |
| SC 13G/A | 2019-02-11 | VANGUARD GROUP INC | ELECTRO SCIENTIFIC INDUSTRIES INC | 2,101,430 | 6.1% | EDGAR |
| SC 13G/A | 2019-02-08 | DIMENSIONAL FUND ADVISORS LP | ELECTRO SCIENTIFIC INDUSTRIES INC | 2,325,340 | 6.8% | EDGAR |
| SC 13D | 2018-11-13 | Magnetar Financial LLC | ELECTRO SCIENTIFIC INDUSTRIES INC | 2,328,793 | 6.8% | EDGAR |
| SC 13G/A | 2018-02-09 | DIMENSIONAL FUND ADVISORS LP | ELECTRO SCIENTIFIC INDUSTRIES INC | 2,033,710 | 6.1% | EDGAR |
| SC 13G | 2018-02-08 | VANGUARD GROUP INC | ELECTRO SCIENTIFIC INDUSTRIES INC | 2,273,542 | 6.8% | EDGAR |
| SC 13G/A | 2018-01-23 | BlackRock Inc. | ELECTRO SCIENTIFIC INDUSTRIES INC | 4,261,071 | 12.7% | EDGAR |
| SC 13G/A | 2017-02-09 | DIMENSIONAL FUND ADVISORS LP | ELECTRO SCIENTIFIC INDUSTRIES INC | 2,421,873 | 7.5% | EDGAR |
| SC 13G | 2017-02-09 | INVESTMENT COUNSELORS OF MARYLAND LLC | ELECTRO SCIENTIFIC INDUSTRIES INC | 1,600,580 | 4.9% | EDGAR |
| SC 13D/A | 2017-02-06 | Nierenberg Investment Management Company, Inc. | ELECTRO SCIENTIFIC INDUSTRIES INC | - | - | EDGAR |
| SC 13G/A | 2017-02-01 | ROYCE & ASSOCIATES LP | ELECTRO SCIENTIFIC INDUSTRIES INC | 960,908 | 3.0% | EDGAR |
| SC 13G/A | 2017-01-12 | BlackRock Inc. | ELECTRO SCIENTIFIC INDUSTRIES INC | 3,647,573 | 11.2% | EDGAR |
| SC 13G/A | 2016-12-09 | BlackRock Inc. | ELECTRO SCIENTIFIC INDUSTRIES INC | 3,335,355 | 10.3% | EDGAR |
| SC 13D/A | 2016-10-07 | Nierenberg Investment Management Company, Inc. | ELECTRO SCIENTIFIC INDUSTRIES INC | - | - | EDGAR |
| SC 13D/A | 2016-04-21 | VIEX Capital Advisors, LLC | ELECTRO SCIENTIFIC INDUSTRIES INC | 463,158 | 1.5% | EDGAR |
| SC 13D/A | 2016-03-04 | VIEX Capital Advisors, LLC | ELECTRO SCIENTIFIC INDUSTRIES INC | 585,411 | 1.9% | EDGAR |
| SC 13D/A | 2016-02-26 | VIEX Capital Advisors, LLC | ELECTRO SCIENTIFIC INDUSTRIES INC | 741,755 | 2.4% | EDGAR |
| SC 13D/A | 2016-02-24 | Nierenberg Investment Management Company, Inc. | ELECTRO SCIENTIFIC INDUSTRIES INC | - | - | EDGAR |
| SC 13G | 2016-02-11 | INVESTMENT COUNSELORS OF MARYLAND LLC | ELECTRO SCIENTIFIC INDUSTRIES INC | 1,685,780 | 5.4% | EDGAR |
| SC 13G/A | 2016-02-09 | PRICE T ROWE ASSOCIATES INC /MD/ | ELECTRO SCIENTIFIC INDUSTRIES INC | 47,200 | 0.1% | EDGAR |