| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G/A | 2001-02-14 | BLAIR WILLIAM & CO/IL | UNIFIRST CORP | 764,836 | 8.3% | EDGAR |
| SC 13G | 2001-02-14 | FLEETBOSTON FINANCIAL CORP | UNIFIRST CORP | 938,770 | 10.2% | EDGAR |
| SC 13G | 2001-02-09 | FLEETBOSTON FINANCIAL CORP | UNIFIRST CORP | 946,070 | 10.2% | EDGAR |
| SC 13G | 2001-02-02 | DIMENSIONAL FUND ADVISORS INC | UNIFIRST CORP | 798,150 | 8.6% | EDGAR |
| SC 13G | 2001-02-02 | DIMENSIONAL FUND ADVISORS INC | UNIFIRST CORP | 798,150 | 8.6% | EDGAR |
| SC 13G | 2000-02-28 | BLAIR WILLIAM & CO/IL | UNIFIRST CORP | 817,369 | 8.0% | EDGAR |
| SC 13G | 2000-02-28 | BLAIR WILLIAM & CO/IL | UNIFIRST CORP | 817,369 | 8.0% | EDGAR |
| SC 13G | 2000-02-28 | BLAIR WILLIAM & CO/IL | UNIFIRST CORP | 817,369 | 8.0% | EDGAR |
| SC 13G/A | 2000-02-15 | ARNHOLD & S BLEICHROEDER INC | UNIFIRST CORP | 800,000 | 8.5% | EDGAR |
| SC 13G/A | 2000-02-15 | ARNHOLD & S BLEICHROEDER INC | UNIFIRST CORP | 800,000 | 8.5% | EDGAR |
| SC 13G/A | 2000-02-15 | ARNHOLD & S BLEICHROEDER INC | UNIFIRST CORP | 800,000 | 8.5% | EDGAR |
| SC 13G/A | 2000-02-14 | FMR CORP | UNIFIRST CORP | 0 | 0.0% | EDGAR |
| SC 13G | 2000-02-14 | FLEET BOSTON CORP | UNIFIRST CORP | 757,281 | 7.4% | EDGAR |
| SC 13G/A | 2000-02-14 | FMR CORP | UNIFIRST CORP | 0 | 0.0% | EDGAR |
| SC 13G | 2000-02-14 | FLEET BOSTON CORP | UNIFIRST CORP | 757,281 | 7.4% | EDGAR |
| SC 13G/A | 2000-02-14 | FMR CORP | UNIFIRST CORP | 0 | 0.0% | EDGAR |
| SC 13G | 2000-02-14 | FLEET BOSTON CORP | UNIFIRST CORP | 757,281 | 7.4% | EDGAR |
| SC 13G | 2000-02-03 | DIMENSIONAL FUND ADVISORS INC | UNIFIRST CORP | 713,650 | 7.0% | EDGAR |
| SC 13G | 2000-02-03 | DIMENSIONAL FUND ADVISORS INC | UNIFIRST CORP | 713,650 | 7.0% | EDGAR |
| SC 13G | 2000-02-03 | DIMENSIONAL FUND ADVISORS INC | UNIFIRST CORP | 713,650 | 7.0% | EDGAR |