| Date | Event |
| 4-Feb-10 | PDF SOLUTIONS INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibit |
| 13-Nov-09 | PDF SOLUTIONS INC Files SEC form 8-K, Changes in Registrant's Certifying Accountant, Financial Statements and Exhibit |
| 9-Nov-09 | PDF SOLUTIONS INC Files SEC form 10-Q, Quarterly Report |
| 27-Oct-09 | PDF SOLUTIONS INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibit |
| 17-Sep-09 | Price hit new 52-week high ($3.87) |
| 16-Sep-09 | Price hit new 52-week high ($3.41) |
| 15-Sep-09 | Price hit new 52-week high ($3.33) |
| 10-Aug-09 | PDF SOLUTIONS INC Files SEC form 10-Q, Quarterly Report |
| 29-Jul-09 | PDF SOLUTIONS INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibit |
| 11-May-09 | PDF SOLUTIONS INC Files SEC form 10-Q, Quarterly Report |
| 28-Apr-09 | PDF SOLUTIONS INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibit |
| 16-Mar-09 | PDF SOLUTIONS INC Files SEC form 10-K, Annual Report |
| 3-Mar-09 | Price hit new 52-week low ($0.97) |
| 27-Feb-09 | Price hit new 52-week low ($0.99) |
| 26-Feb-09 | Price hit new 52-week low ($1.01) |
| 5-Feb-09 | PDF SOLUTIONS INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibit |
| 14-Jan-09 | PDF SOLUTIONS INC Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibit |