| 2017-02-17 | Sale | PDF Solutions, Inc. PDFS | Vice President, CSS | 981 0.0031% | $22.13 | $21,713 | -25.94% | |
| 2017-02-16 | Sale | PDF Solutions, Inc. PDFS | Vice President, CSS | 17,952 0.0561% | $22.00 | $394,944 | -25.56% | |
| 2016-08-03 | Sale | PDF Solutions, Inc. PDFS | Vice President, CSS | 1,600 0.0051% | $16.67 | $26,672 | +15.7% | |
| 2016-08-02 | Sale | PDF Solutions, Inc. PDFS | Vice President, CSS | 14,031 0.0446% | $16.66 | $233,803 | +16.05% | |
| 2015-02-12 | Sale | PDF Solutions, Inc. PDFS | Vice President, CSS | 20,854 0.0662% | $18.19 | $379,272 | -29.72% | |
| 2015-02-11 | Sale | PDF Solutions, Inc. PDFS | Vice President, CSS | 34,400 0.1041% | $17.57 | $604,408 | -30.48% | |
| 2015-02-10 | Sale | PDF Solutions, Inc. PDFS | Vice President, CSS | 65,600 0.2083% | $17.48 | $1.15M | -26.55% | |
| 2013-09-11 | Sale | PDF Solutions, Inc. PDFS | Vice President, CSS | 18,541 0.0616% | $21.85 | $405,048 | -3.9% | |
| 2013-09-10 | Sale | PDF Solutions, Inc. PDFS | Vice President, CSS | 2,779 0.0092% | $21.78 | $60,527 | -3.61% | |
| 2013-08-05 | Sale | PDF Solutions, Inc. PDFS | Vice President, CSS | 2,221 0.0074% | $21.78 | $48,373 | -2.39% | |
| 2013-08-02 | Sale | PDF Solutions, Inc. PDFS | Vice President, CSS | 1,776 0.0058% | $21.00 | $37,296 | -1.07% | |
| 2013-08-01 | Sale | PDF Solutions, Inc. PDFS | Vice President, CSS | 1,876 0.0062% | $20.89 | $39,180 | +1.6% | |
| 2013-07-31 | Sale | PDF Solutions, Inc. PDFS | Vice President, CSS | 2,075 0.0071% | $21.00 | $43,575 | +3.73% | |
| 2013-07-30 | Sale | PDF Solutions, Inc. PDFS | Vice President, CSS | 14,435 0.0481% | $20.98 | $302,804 | +1.41% | |
| 2013-07-29 | Sale | PDF Solutions, Inc. PDFS | Vice President, CSS | 593 0.002% | $20.97 | $12,435 | +2.14% | |
| 2013-03-14 | Sale | PDF Solutions, Inc. PDFS | Vice President, CSS | 4,631 0.0157% | $16.30 | $75,485 | +28.05% | |
| 2013-03-13 | Sale | PDF Solutions, Inc. PDFS | Vice President, CSS | 5,837 0.0198% | $16.11 | $94,050 | +29.48% | |
| 2012-08-30 | Sale | PDF Solutions, Inc. PDFS | Vice President, CSS | 9,375 0.0326% | $12.01 | $112,584 | +31.38% | |
| 2012-08-29 | Sale | PDF Solutions, Inc. PDFS | Vice President, CSS | 10,000 0.0347% | $12.06 | $120,600 | +30.31% | |
| 2012-08-28 | Sale | PDF Solutions, Inc. PDFS | Vice President, CSS | 10,000 0.0342% | $12.04 | $120,400 | +28.53% |