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Date | Name | Ticker | Shares | Change | Value | Change | Price |
09/30/2018 | PDF SOLUTIONS INC | PDFS | 0 | -1,300,468 | 0 | -15,579,000 | |
06/30/2018 | PDF SOLUTIONS INC | PDFS | 1,300,468 | -310,761 | 15,579,000 | -3,208,000 | $11.98 |
03/31/2018 | PDF SOLUTIONS INC | PDFS | 1,611,229 | 36,180 | 18,787,000 | -5,941,000 | $11.66 |
12/31/2017 | PDF SOLUTIONS INC | PDFS | 1,575,049 | -519,614 | 24,728,269 | -7,717,731 | $15.70 |
09/30/2017 | PDF SOLUTIONS INC | PDFS | 2,094,663 | -440,722 | 32,446,000 | -9,261,000 | $15.49 |
06/30/2017 | PDF SOLUTIONS INC | PDFS | 2,535,385 | 147,697 | 41,707,000 | -12,303,000 | $16.45 |
03/31/2017 | PDF SOLUTIONS INC | PDFS | 2,387,688 | 224,766 | 54,010,000 | 5,236,000 | $22.62 |
12/31/2016 | PDF SOLUTIONS INC | PDFS | 2,162,922 | -399,853 | 48,774,000 | 2,209,000 | $22.55 |
09/30/2016 | PDF SOLUTIONS INC | PDFS | 2,562,775 | -301,444 | 46,565,000 | 6,495,000 | $18.17 |
06/30/2016 | PDF SOLUTIONS INC | PDFS | 2,864,219 | 143,519 | 40,070,000 | 3,667,000 | $13.99 |
03/31/2016 | PDF SOLUTIONS INC | PDFS | 2,720,700 | -106,660 | 36,403,000 | 5,754,000 | $13.38 |
12/31/2015 | PDF SOLUTIONS INC | PDFS | 2,827,360 | 181,714 | 30,649,000 | 4,193,000 | $10.84 |
09/30/2015 | PDF SOLUTIONS INC | PDFS | 2,645,646 | 382,420 | 26,456,000 | -9,756,000 | $10.00 |
06/30/2015 | PDF SOLUTIONS INC | PDFS | 2,263,226 | 411,886 | 36,212,000 | 3,036,000 | $16.00 |
03/31/2015 | PDF SOLUTIONS INC | PDFS | 1,851,340 | 365,933 | 33,176,000 | 11,103,000 | $17.92 |
12/31/2014 | PDF SOLUTIONS INC | PDFS | 1,485,407 | 594,814 | 22,073,000 | 10,843,000 | $14.86 |
09/30/2014 | PDF SOLUTIONS INC | PDFS | 890,593 | 5,763 | 11,230,000 | -7,546,000 | $12.61 |
06/30/2014 | PDF SOLUTIONS INC | PDFS | 884,830 | 243,600 | 18,776,000 | 7,125,000 | $21.22 |
03/31/2014 | PDF SOLUTIONS INC | PDFS | 641,230 | 498,630 | 11,651,000 | 7,998,000 | $18.17 |
12/31/2013 | PDF SOLUTIONS INC | PDFS | 142,600 | 107,400 | 3,653,000 | 2,906,000 | $25.62 |
09/30/2013 | PDF SOLUTIONS INC | PDFS | 35,200 | 35,200 | 747,000 | 747,000 | $21.22 |
06/30/2013 | PDF SOLUTIONS INC | PDFS | 35,200 | 0 | 649,000 | 85,000 | $18.44 |
03/31/2013 | PDF SOLUTIONS INC | PDFS | 35,200 | -2,800 | 564,000 | 40,000 | $16.02 |
12/31/2012 | PDF SOLUTIONS INC | PDFS | 38,000 | 0 | 524,000 | 5,000 | $13.79 |
09/30/2012 | PDF SOLUTIONS INC | PDFS | 38,000 | 10,300 | 519,000 | 246,000 | $13.66 |
06/30/2012 | PDF SOLUTIONS INC | PDFS | 27,700 | 27,700 | 273,000 | 273,000 | $9.86 |
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