Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Pdf Solutions Inc (PDFS) since 2005 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Pdf Solutions Inc. Table 2 shows the detailed insider transactions. This company's CIK number is 1120914.
Total stock buying since 2005: $1,904,750.
Total stock sales since 2005: $58,770,514.
Total stock option exercises since 2005: $8,044,526.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2025 | 61,500 | $1,367,319 | 0 | $0 | 0 | $0 |
| 2024 | 0 | $0 | 72,461 | $2,424,516 | 0 | $0 |
| 2023 | 0 | $0 | 54,480 | $1,969,728 | 0 | $0 |
| 2022 | 0 | $0 | 132,560 | $3,245,611 | 15,000 | $131,850 |
| 2021 | 0 | $0 | 3,000 | $98,991 | 7,500 | $46,575 |
| 2020 | 0 | $0 | 8,678 | $183,800 | 0 | $0 |
| 2019 | 0 | $0 | 3,600 | $53,983 | 32,000 | $128,320 |
| 2017 | 0 | $0 | 168,933 | $2,435,054 | 145,855 | $787,349 |
| 2016 | 6,118 | $87,095 | 50,907 | $1,012,527 | 45,000 | $243,000 |
| 2015 | 0 | $0 | 287,223 | $17,208,673 | 344,604 | $3,040,690 |
| 2014 | 0 | $0 | 41,820 | $828,617 | 57,501 | $466,654 |
| 2013 | 0 | $0 | 87,387 | $1,762,331 | 52,449 | $246,116 |
| 2012 | 8,000 | $51,928 | 194,973 | $2,160,249 | 241,655 | $1,369,490 |
| 2011 | 64,031 | $387,848 | 0 | $0 | 0 | $0 |
| 2010 | 0 | $0 | 9,470 | $40,280 | 0 | $0 |
| 2009 | 4,000 | $10,560 | 2,447 | $4,196 | 0 | $0 |
| 2008 | 0 | $0 | 939,127 | $0 | 0 | $0 |
| 2007 | 0 | $0 | 114,161 | $1,215,695 | 61 | $329 |
| 2006 | 0 | $0 | 689,453 | $11,213,441 | 180,510 | $1,584,153 |
| 2005 | 0 | $0 | 811,881 | $12,912,822 | 0 | $0 |
| Trading Period | Insider Buying | Insider Sales | Option Exercises | |||
|---|---|---|---|---|---|---|
| year-month | Shares | Value | Shares | Value | Shares | Value |
| 2025-05 | 7,500 | $145,875 | 0 | $0 | 0 | $0 |
| 2025-02 | 54,000 | $1,221,444 | 0 | $0 | 0 | $0 |
| 2024-12 | 0 | $0 | 13,283 | $409,188 | 0 | $0 |
| 2024-06 | 0 | $0 | 5,500 | $190,629 | 0 | $0 |
| 2024-05 | 0 | $0 | 27,494 | $932,040 | 0 | $0 |
| 2024-02 | 0 | $0 | 26,184 | $892,659 | 0 | $0 |
| 2023-12 | 0 | $0 | 5,750 | $177,817 | 0 | $0 |
| 2023-11 | 0 | $0 | 1,800 | $55,026 | 0 | $0 |
| 2023-08 | 0 | $0 | 3,047 | $102,836 | 0 | $0 |
| 2023-03 | 0 | $0 | 18,067 | $682,083 | 0 | $0 |
| 2023-02 | 0 | $0 | 25,816 | $951,966 | 0 | $0 |
| 2022-11 | 0 | $0 | 67,150 | $2,033,417 | 0 | $0 |
| 2022-06 | 0 | $0 | 45,543 | $931,261 | 0 | $0 |
| 2022-03 | 0 | $0 | 11,017 | $280,933 | 0 | $0 |
| 2022-02 | 0 | $0 | 8,850 | $0 | 15,000 | $131,850 |
| 2021-11 | 0 | $0 | 3,000 | $98,991 | 0 | $0 |
| 2021-03 | 0 | $0 | 0 | $0 | 7,500 | $46,575 |
| 2020-11 | 0 | $0 | 8,678 | $183,800 | 0 | $0 |
| 2019-11 | 0 | $0 | 2,600 | $41,034 | 0 | $0 |
| 2019-09 | 0 | $0 | 0 | $0 | 32,000 | $128,320 |
| 2019-06 | 0 | $0 | 1,000 | $12,949 | 0 | $0 |
| 2017-08 | 0 | $0 | 60,000 | $900,180 | 0 | $0 |
| 2017-06 | 0 | $0 | 45,000 | $790,605 | 45,000 | $216,900 |
| 2017-05 | 0 | $0 | 45,000 | $744,269 | 90,000 | $570,449 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-05-13 | Gustafson Michael B | Buy | 7,500 | 19.45 | 145,875 |
| 2025-02-25 | Kibarian John Kachig (PRESIDENT AND CEO) | Buy | 15,644 | 22.11 | 345,888 |
| 2025-02-24 | Gustafson Michael B | Buy | 4,000 | 23.06 | 92,240 |
| 2025-02-24 | Kibarian John Kachig (PRESIDENT AND CEO) | Buy | 34,356 | 22.80 | 783,316 |
| 2024-12-17 | Strojwas Andrzej (CTO) | Sale | 6,253 | 30.77 | 192,373 |
| 2024-12-16 | Strojwas Andrzej (CTO) | Sale | 5,030 | 30.85 | 155,195 |
| 2024-12-11 | Erba Nancy | Sale | 2,000 | 30.81 | 61,620 |
| 2024-06-03 | Zhang Shuo | Sale | 5,500 | 34.66 | 190,629 |
| 2024-05-17 | Raza Adnan (EVP, FINANCE AND CFO) | Sale | 9,647 | 33.95 | 327,515 |
| 2024-05-16 | Raza Adnan (EVP, FINANCE AND CFO) | Sale | 16,504 | 33.82 | 558,165 |
| 2024-05-15 | Raza Adnan (EVP, FINANCE AND CFO) | Sale | 1,343 | 34.52 | 46,360 |
| 2024-02-26 | Li Ye Jane | Sale | 9,653 | 33.27 | 321,155 |
| 2024-02-23 | Li Ye Jane | Sale | 1,531 | 34.00 | 52,054 |
| 2024-02-21 | Bronson Joseph R | Sale | 15,000 | 34.63 | 519,450 |
| 2023-12-13 | Gustafson Michael B | Sale | 4,883 | 30.86 | 150,689 |
| 2023-12-12 | Gustafson Michael B | Sale | 867 | 31.29 | 27,128 |
| 2023-11-29 | Erba Nancy | Sale | 1,800 | 30.57 | 55,026 |
| 2023-08-18 | Zhang Shuo | Sale | 3,047 | 33.75 | 102,836 |
| 2023-03-08 | Strojwas Andrzej (CTO) | Sale | 2,520 | 38.45 | 96,894 |
| 2023-03-03 | Raza Adnan (EVP, FINANCE AND CFO) | Sale | 15,547 | 37.64 | 585,189 |
| 2023-02-28 | Gustafson Michael B | Sale | 13,316 | 37.26 | 496,154 |
| 2023-02-22 | Bronson Joseph R | Sale | 12,500 | 36.47 | 455,812 |
| 2022-11-30 | Strojwas Andrzej (CTO) | Sale | 19,926 | 31.00 | 617,626 |
| 2022-11-29 | Raza Adnan (EVP, FINANCE AND CFO) | Sale | 9,224 | 30.13 | 277,891 |
| 2022-11-25 | Raza Adnan (EVP, FINANCE AND CFO) | Sale | 3,000 | 30.50 | 91,500 |
| 2022-11-16 | Zhang Shuo | Sale | 6,000 | 29.84 | 179,040 |
| 2022-11-16 | Gustafson Michael B | Sale | 7,500 | 30.05 | 225,375 |
| 2022-11-15 | Gustafson Michael B | Sale | 7,500 | 29.79 | 223,425 |
| 2022-06-16 | Raza Adnan (EVP, FINANCE AND CFO) | Sale | 14,387 | 19.90 | 286,301 |
| 2022-06-15 | Raza Adnan (EVP, FINANCE AND CFO) | Sale | 10,000 | 20.62 | 206,200 |
| 2022-06-14 | Raza Adnan (EVP, FINANCE AND CFO) | Sale | 15,000 | 20.27 | 304,050 |
| 2022-06-13 | Raza Adnan (EVP, FINANCE AND CFO) | Sale | 3,990 | 21.02 | 83,877 |
| 2022-06-09 | Raza Adnan (EVP, FINANCE AND CFO) | Sale | 2,166 | 23.47 | 50,833 |
| 2022-03-15 | Zhang Shuo | Sale | 11,017 | 25.50 | 280,933 |
| 2022-02-23 | Michaels Kimon (EVP OF PRODUCTS AND SOLUTIONS) | Sale | 8,850 | .00 | 0 |
| 2022-02-23 | Michaels Kimon (EVP OF PRODUCTS AND SOLUTIONS) | Option Ex | 15,000 | 8.79 | 131,850 |
| 2021-11-12 | Gustafson Michael B | Sale | 3,000 | 33.00 | 98,991 |
| 2021-03-08 | Michaels Kimon (EVP of Products and Solutions) | Option Ex | 7,500 | 6.21 | 46,575 |
| 2020-11-20 | Yin Gerald Zheyao (Director) | Sale | 8,678 | 21.18 | 183,800 |
| 2019-11-06 | Gustafson Michael B (Director) | Sale | 2,214 | 15.75 | 34,870 |
| 2019-11-05 | Gustafson Michael B (Director) | Sale | 386 | 15.97 | 6,164 |
| 2019-09-10 | Michaels Kimon (EVP of Products and Solutions) | Option Ex | 32,000 | 4.01 | 128,320 |
| 2019-06-13 | Gustafson Michael B (Director) | Sale | 1,000 | 12.95 | 12,949 |
| 2017-08-18 | Lanza Lucio (Director) | Sale | 60,000 | 15.00 | 900,180 |
| 2017-06-09 | Lanza Lucio (Director) | Sale | 45,000 | 17.57 | 790,605 |
| 2017-06-09 | Lanza Lucio (Director) | Option Ex | 45,000 | 4.82 | 216,900 |
| 2017-05-25 | Lanza Lucio (Director) | Option Ex | 45,000 | 2.30 | 103,499 |
| 2017-05-24 | Lanza Lucio (Director) | Sale | 30,000 | 16.50 | 495,090 |
| 2017-05-24 | Lanza Lucio (Director) | Option Ex | 30,000 | 10.35 | 310,500 |
| 2017-05-18 | Lanza Lucio (Director) | Sale | 15,000 | 16.61 | 249,179 |
| 2017-05-18 | Lanza Lucio (Director) | Option Ex | 15,000 | 10.43 | 156,450 |
| 2017-02-17 | Hartgring Cornelis (Vice President, CSS) | Sale | 981 | .00 | 0 |
| 2017-02-16 | Hartgring Cornelis (Vice President, CSS) | Sale | 17,952 | .00 | 0 |
| 2017-02-16 | Hartgring Cornelis (Vice President, CSS) | Option Ex | 10,855 | .00 | 0 |
| 2016-12-06 | Kim Kwangh (VP of Business Development) | Sale | 6,000 | 21.91 | 131,484 |
| 2016-12-01 | Kim Kwangh (VP of Business Development) | Sale | 12,000 | 23.00 | 276,036 |
| 2016-11-08 | Walker Gregory C (CFO, VP Finance) | Sale | 6,229 | 19.85 | 123,645 |
| 2016-11-08 | Lanza Lucio (Director) | Option Ex | 45,000 | 5.40 | 243,000 |
| 2016-09-12 | Walker Gregory C (CFO, VP Finance) | Sale | 2,665 | 15.90 | 42,376 |
| 2016-08-09 | Walker Gregory C (CFO, VP Finance) | Sale | 2,382 | 17.00 | 40,498 |
| 2016-08-03 | Hartgring Cornelis (Vice President, CSS) | Sale | 1,600 | 16.67 | 26,672 |
| 2016-08-02 | Hartgring Cornelis (Vice President, CSS) | Sale | 14,031 | 16.66 | 233,798 |
| 2016-05-27 | Heinrichs R Stephen (Director) | Buy | 6,118 | 14.24 | 87,095 |
| 2015-06-12 | Heinrichs R Stephen (Director) | Sale | 29,093 | 16.49 | 479,772 |
| 2015-06-12 | Heinrichs R Stephen (Director) | Option Ex | 29,093 | 16.00 | 465,488 |
| 2015-06-11 | Heinrichs R Stephen (Director) | Sale | 5,907 | 16.40 | 96,880 |
| 2015-06-11 | Heinrichs R Stephen (Director) | Option Ex | 5,907 | 16.00 | 94,512 |
| 2015-05-19 | Lanza Lucio (Director) | Option Ex | 50,000 | 12.33 | 616,500 |
| 2015-03-05 | Kim Kwangh (VP of Business Development) | Sale | 17 | 14,900.00 | 253,300 |
| 2015-02-27 | Kim Kwangh (VP of Business Development) | Sale | 100 | 18.68 | 1,867 |
| 2015-02-23 | Walker Gregory C (CFO, VP Finance) | Sale | 117,401 | 17.52 | 2,056,865 |
| 2015-02-23 | Walker Gregory C (CFO, VP Finance) | Option Ex | 117,401 | 6.09 | 714,972 |
| 2015-02-20 | Walker Gregory C (CFO, VP Finance) | Sale | 9,006 | 17.75 | 159,856 |
| 2015-02-20 | Walker Gregory C (CFO, VP Finance) | Option Ex | 9,006 | 6.09 | 54,846 |
| 2015-02-19 | Walker Gregory C (CFO, VP Finance) | Sale | 4,845 | 2,482.92 | 12,029,766 |
| 2015-02-19 | Walker Gregory C (CFO, VP Finance) | Option Ex | 12,343 | 6.09 | 75,168 |
| 2015-02-12 | Hartgring Cornelis (Vice President, CSS) | Sale | 20,854 | 18.19 | 379,271 |
| 2015-02-12 | Hartgring Cornelis (Vice President, CSS) | Option Ex | 20,854 | 6.21 | 129,440 |
| 2015-02-11 | Hartgring Cornelis (Vice President, CSS) | Sale | 34,400 | 17.57 | 604,408 |
| 2015-02-11 | Hartgring Cornelis (Vice President, CSS) | Option Ex | 34,400 | 8.86 | 304,612 |
| 2015-02-10 | Hartgring Cornelis (Vice President, CSS) | Sale | 65,600 | 17.48 | 1,146,688 |
| 2015-02-10 | Hartgring Cornelis (Vice President, CSS) | Option Ex | 65,600 | 8.92 | 585,152 |
| 2014-05-13 | Lanza Lucio (Director) | Sale | 32,000 | 19.00 | 608,128 |
| 2014-05-13 | Lanza Lucio (Director) | Option Ex | 50,000 | 8.61 | 430,500 |
| 2014-02-20 | Yu Albert Yc (Director) | Sale | 7,501 | 22.25 | 166,897 |
| 2014-02-20 | Yu Albert Yc (Director) | Option Ex | 7,501 | 4.82 | 36,154 |
| 2014-02-11 | Walker Gregory C (CFO, VP Finance) | Sale | 2,319 | 23.11 | 53,592 |
| 2013-11-29 | Yu Albert Yc (Director) | Sale | 468 | 23.35 | 10,927 |
| 2013-11-08 | Walker Gregory C (CFO, VP Finance) | Sale | 4,292 | 22.80 | 97,853 |
| 2013-11-08 | Walker Gregory C (CFO, VP Finance) | Option Ex | 3,750 | 6.09 | 22,837 |
| 2013-11-04 | Yu Albert Yc (Director) | Sale | 7,971 | 22.98 | 183,133 |
| 2013-11-04 | Yu Albert Yc (Director) | Option Ex | 5,158 | 2.30 | 11,863 |
| 2013-09-11 | Hartgring Cornelis (Vice President, CSS) | Sale | 18,541 | 21.85 | 405,120 |
| 2013-09-11 | Hartgring Cornelis (Vice President, CSS) | Option Ex | 18,541 | 3.62 | 67,118 |
| 2013-09-10 | Hartgring Cornelis (Vice President, CSS) | Sale | 2,779 | 21.78 | 60,526 |
| 2013-09-10 | Hartgring Cornelis (Vice President, CSS) | Option Ex | 2,779 | 3.62 | 10,059 |
| 2013-08-05 | Hartgring Cornelis (Vice President, CSS) | Sale | 2,221 | 21.78 | 48,373 |
| 2013-08-05 | Hartgring Cornelis (Vice President, CSS) | Option Ex | 2,221 | 3.62 | 8,040 |
| 2013-08-02 | Yu Albert Yc (Director) | Sale | 5,257 | 21.06 | 110,712 |
| 2013-08-02 | Hartgring Cornelis (Vice President, CSS) | Sale | 1,776 | 21.00 | 37,296 |
| 2013-08-02 | Hartgring Cornelis (Vice President, CSS) | Option Ex | 1,776 | 3.62 | 6,429 |
| 2013-08-01 | Yu Albert Yc (Director) | Sale | 3,490 | 20.56 | 71,754 |
| 2013-08-01 | Hartgring Cornelis (Vice President, CSS) | Sale | 1,876 | 20.89 | 39,180 |
| 2013-08-01 | Walker Gregory C (CFO, VP Finance) | Sale | 1,181 | 20.83 | 24,600 |
| 2013-07-31 | Hartgring Cornelis (Vice President, CSS) | Sale | 2,075 | 21.00 | 43,575 |
| 2013-07-31 | Hartgring Cornelis (Vice President, CSS) | Option Ex | 2,075 | 3.62 | 7,511 |
| 2013-07-30 | Hartgring Cornelis (Vice President, CSS) | Sale | 14,435 | 20.98 | 302,846 |
| 2013-07-30 | Hartgring Cornelis (Vice President, CSS) | Option Ex | 6,149 | 3.62 | 22,259 |
| 2013-07-29 | Hartgring Cornelis (Vice President, CSS) | Sale | 593 | 20.97 | 12,435 |
| 2013-06-07 | Walker Gregory C (CFO, VP Finance) | Sale | 1,086 | 18.28 | 19,849 |
| 2013-05-30 | Yu Albert Yc (Director) | Sale | 2,313 | 18.50 | 42,790 |
| 2013-05-28 | Yu Albert Yc (Director) | Sale | 469 | 18.30 | 8,582 |
| 2013-05-14 | Lanza Lucio (Director) | Option Ex | 10,000 | 9.00 | 90,000 |
| 2013-04-30 | Walker Gregory C (CFO, VP Finance) | Sale | 5,376 | 17.05 | 91,654 |
| 2013-03-14 | Hartgring Cornelis (Vice President, CSS) | Sale | 4,631 | 16.30 | 75,485 |
| 2013-03-13 | Hartgring Cornelis (Vice President, CSS) | Sale | 369 | 16.30 | 6,014 |
| 2013-02-23 | Yu Albert Yc (Director) | Sale | 3,500 | 6.80 | 23,800 |
| 2012-12-03 | Walker Gregory C (CFO, VP Finance) | Sale | 6,212 | 14.57 | 90,539 |
| 2012-12-03 | Walker Gregory C (CFO, VP Finance) | Option Ex | 3,750 | 6.09 | 22,837 |
| 2012-09-13 | Yu Albert Yc (Director) | Sale | 4,633 | 12.86 | 59,571 |
| 2012-09-13 | Yu Albert Yc (Director) | Option Ex | 4,633 | 5.53 | 25,620 |
| 2012-08-30 | Hartgring Cornelis (Vice President, CSS) | Sale | 9,375 | 12.01 | 112,584 |
| 2012-08-29 | Hartgring Cornelis (Vice President, CSS) | Sale | 10,000 | 12.06 | 120,600 |
| 2012-08-29 | Kibarian John Kachig (President and CEO) | Option Ex | 42,988 | 6.39 | 274,693 |
| 2012-08-28 | Hartgring Cornelis (Vice President, CSS) | Sale | 10,000 | 12.04 | 120,399 |
| 2012-08-28 | Kibarian John Kachig (President and CEO) | Option Ex | 37,012 | 6.39 | 236,506 |
| 2012-08-27 | Hartgring Cornelis (Vice President, CSS) | Sale | 10,000 | 12.07 | 120,730 |
| 2012-08-27 | Hartgring Cornelis (Vice President, CSS) | Option Ex | 4,619 | 5.40 | 24,942 |
| 2012-08-24 | Hartgring Cornelis (Vice President, CSS) | Sale | 10,000 | 11.95 | 119,540 |
| 2012-08-24 | Hartgring Cornelis (Vice President, CSS) | Option Ex | 10,000 | 5.40 | 54,000 |
| 2012-08-23 | Hartgring Cornelis (Vice President, CSS) | Sale | 10,000 | 11.92 | 119,200 |
| 2012-08-23 | Hartgring Cornelis (Vice President, CSS) | Option Ex | 10,000 | 5.40 | 54,000 |
| 2012-08-22 | Hartgring Cornelis (Vice President, CSS) | Sale | 10,000 | 11.26 | 112,579 |
| 2012-08-22 | Hartgring Cornelis (Vice President, CSS) | Option Ex | 10,000 | 5.40 | 54,000 |
| 2012-08-21 | Hartgring Cornelis (Vice President, CSS) | Sale | 10,000 | 11.21 | 112,050 |
| 2012-08-21 | Hartgring Cornelis (Vice President, CSS) | Option Ex | 10,000 | 5.40 | 54,000 |
| 2012-08-20 | Hartgring Cornelis (Vice President, CSS) | Sale | 10,000 | 10.76 | 107,560 |
| 2012-08-20 | Hartgring Cornelis (Vice President, CSS) | Option Ex | 10,000 | 5.40 | 54,000 |
| 2012-08-17 | Hartgring Cornelis (Vice President, CSS) | Sale | 9,600 | 10.63 | 102,086 |
| 2012-08-17 | Hartgring Cornelis (Vice President, CSS) | Option Ex | 10,000 | 5.40 | 54,000 |
| 2012-08-16 | Yu Albert Yc (Director) | Sale | 3,281 | 10.40 | 34,122 |
| 2012-08-16 | Yu Albert Yc (Director) | Option Ex | 3,281 | 6.21 | 20,375 |
| 2012-08-16 | Hartgring Cornelis (Vice President, CSS) | Sale | 10,000 | 10.34 | 103,400 |
| 2012-08-16 | Hartgring Cornelis (Vice President, CSS) | Option Ex | 10,000 | 5.40 | 54,000 |
| 2012-08-15 | Yu Albert Yc (Director) | Sale | 4,897 | 10.37 | 50,781 |
| 2012-08-15 | Yu Albert Yc (Director) | Option Ex | 4,897 | 3.56 | 17,433 |
| 2012-08-15 | Hartgring Cornelis (Vice President, CSS) | Sale | 10,000 | 10.19 | 101,930 |
| 2012-08-15 | Hartgring Cornelis (Vice President, CSS) | Option Ex | 10,000 | 5.40 | 54,000 |
| 2012-08-14 | Hartgring Cornelis (Vice President, CSS) | Sale | 10,000 | 10.28 | 102,750 |
| 2012-08-14 | Hartgring Cornelis (Vice President, CSS) | Option Ex | 10,000 | 5.40 | 54,000 |
Insider trading activities including stock purchases, stock sales, and option exercises of PDFS listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Pdf Solutions Inc (symbol PDFS, CIK number 1120914) see the Securities and Exchange Commission (SEC) website.