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PDFS - As of  05/15/24, 12:18:48 AM:   68 Insider Transactions.

Sector: Technology    Industry: Technical & System Software
Prev Close:$14.33  Avg Vol(3m): 101,071  P/E: 52.80  EPS: 0.27

Email this page to a friend.    Insider Transactions for PDFS

Buy/Sell* Filed Date Subject Symbol Acquirer Pct Owned Details
B 2020-08-06 12:05:32.0 PDF SOLUTIONS INC PDFS ADVANTEST CORP 9.1% view
B 2020-06-10 13:32:36.0 PDF SOLUTIONS INC PDFS Invesco Ltd 11.5% view
S 2020-06-04 17:12:34.0 PDF SOLUTIONS INC PDFS Cowen Prime Services LLC 5.0% view
S 2020-02-14 13:30:05.0 PDF SOLUTIONS INC PDFS PRICE T ROWE ASSOCIATES INC 7.9% view
S 2020-02-14 12:26:23.0 PDF SOLUTIONS INC PDFS MICHAELS KIMON 4.91% view
S 2020-02-14 12:25:23.0 PDF SOLUTIONS INC PDFS KIBARIAN JOHN KACHIG 7.73% view
B 2020-02-13 15:13:05.0 PDF SOLUTIONS INC PDFS Invesco Ltd 9.9% view
S 2020-02-12 11:45:18.0 PDF SOLUTIONS INC PDFS DIMENSIONAL FUND ADVISORS LP 5.27% view
B 2020-02-12 11:16:22.0 PDF SOLUTIONS INC PDFS VANGUARD GROUP INC 5.97% view
B 2020-02-04 12:30:14.0 PDF SOLUTIONS INC PDFS BlackRock Inc 13.7% view
S 2019-04-19 16:51:36.0 PDF SOLUTIONS INC PDFS VIEX Capital Advisors 4.98% view
S 2019-02-14 13:49:12.0 PDF SOLUTIONS INC PDFS PRICE T ROWE ASSOCIATES INC 9.1% view
S 2019-02-13 19:32:44.0 PDF SOLUTIONS INC PDFS KIBARIAN JOHN KACHIG 7.76% view
S 2019-02-13 19:31:55.0 PDF SOLUTIONS INC PDFS MICHAELS KIMON 4.99% view
S 2019-02-13 12:00:20.0 PDF SOLUTIONS INC PDFS FMR LLC 0.0% view
B 2019-02-11 16:27:58.0 PDF SOLUTIONS INC PDFS VANGUARD GROUP INC 5.74% view
B 2019-02-08 09:07:43.0 PDF SOLUTIONS INC PDFS DIMENSIONAL FUND ADVISORS LP 6.04% view
B 2019-01-31 14:06:13.0 PDF SOLUTIONS INC PDFS BlackRock Inc 12.6% view
B 2019-01-18 11:38:59.0 PDF SOLUTIONS INC PDFS OppenheimerFunds 9.31% view
B 2018-12-03 16:02:33.0 PDF SOLUTIONS INC PDFS VIEX Capital Advisors 7.5% view
B 2018-11-20 09:00:53.0 PDF SOLUTIONS INC PDFS VIEX Capital Advisors 6.0% view
B 2018-02-14 14:02:53.0 PDF SOLUTIONS INC PDFS PRICE T ROWE ASSOCIATES INC 9.4% view
S 2018-02-13 15:46:29.0 PDF SOLUTIONS INC PDFS CARDINAL CAPITAL MANAGEMENT LLC 4.9% view
B 2018-02-13 09:44:05.0 PDF SOLUTIONS INC PDFS FMR LLC 7.045% view
S 2018-02-12 18:06:37.0 PDF SOLUTIONS INC PDFS KIBARIAN JOHN KACHIG 7.82% view
S 2018-02-12 18:06:20.0 PDF SOLUTIONS INC PDFS MICHAELS KIMON 5.0% view
S 2018-01-19 13:55:28.0 PDF SOLUTIONS INC PDFS BlackRock Inc 11.1% view
B 2017-12-07 14:16:28.0 PDF SOLUTIONS INC PDFS BlackRock Inc 11.2% view
S 2017-02-14 12:22:08.0 PDF SOLUTIONS INC PDFS KIBARIAN JOHN KACHIG 7.88% view
B 2017-02-14 12:21:01.0 PDF SOLUTIONS INC PDFS MICHAELS KIMON 5.068% view
S 2017-02-13 12:11:11.0 PDF SOLUTIONS INC PDFS CARDINAL CAPITAL MANAGEMENT LLC 6.9% view
B 2017-02-07 12:16:20.0 PDF SOLUTIONS INC PDFS PRICE T ROWE ASSOCIATES INC 8.1% view
B 2017-01-30 15:40:18.0 PDF SOLUTIONS INC PDFS BlackRock Inc 5.5% view
S 2016-03-10 10:30:47.0 PDF SOLUTIONS INC PDFS BlackRock Inc 4.9% view
B 2016-02-12 14:27:28.0 PDF SOLUTIONS INC PDFS CARDINAL CAPITAL MANAGEMENT LLC 9.0% view
S 2016-02-10 15:06:54.0 PDF SOLUTIONS INC PDFS PRICE T ROWE ASSOCIATES INC 6.0% view
S 2016-02-10 14:40:34.0 PDF SOLUTIONS INC PDFS TimesSquare Capital Management 0.0% view
B 2016-02-09 14:31:08.0 PDF SOLUTIONS INC PDFS KIBARIAN JOHN KACHIG 8.075% view
B 2016-02-09 14:29:14.0 PDF SOLUTIONS INC PDFS MICHAELS KIMON n/a view
B 2016-01-28 15:59:45.0 PDF SOLUTIONS INC PDFS BlackRock Inc 5.0% view
S 2015-09-09 11:37:32.0 PDF SOLUTIONS INC PDFS BlackRock Inc 4.9% view
S 2015-05-11 09:16:55.0 PDF SOLUTIONS INC PDFS FMR LLC 1.464% view
S 2015-02-17 10:13:24.0 PDF SOLUTIONS INC PDFS Shannon River Fund Management LLC 0.0% view
B 2015-02-13 10:30:46.0 PDF SOLUTIONS INC PDFS FMR LLC 6.62% view
S 2015-02-11 12:00:57.0 PDF SOLUTIONS INC PDFS TimesSquare Capital Management 5.0% view
B 2015-02-11 09:03:20.0 PDF SOLUTIONS INC PDFS PRICE T ROWE ASSOCIATES INC 6.6% view
B 2015-02-02 12:13:26.0 PDF SOLUTIONS INC PDFS BlackRock Inc 5.8% view
B 2015-01-26 14:17:27.0 PDF SOLUTIONS INC PDFS MICHAELS KIMON n/a view
S 2015-01-26 14:16:03.0 PDF SOLUTIONS INC PDFS KIBARIAN JOHN KACHIG 8.074% view
S 2014-12-15 11:24:59.0 PDF SOLUTIONS INC PDFS Concept Capital Markets 5.49% view
B 2014-12-15 11:11:49.0 PDF SOLUTIONS INC PDFS Concept Capital Markets 12.91% view
B 2014-04-11 16:01:53.0 PDF SOLUTIONS INC PDFS Shannon River Fund Management LLC 5.55% view
S 2014-04-10 09:59:04.0 PDF SOLUTIONS INC PDFS FMR LLC 5.851% view
B 2014-02-14 06:55:33.0 PDF SOLUTIONS INC PDFS FMR LLC 11.918% view
S 2014-02-12 15:50:53.0 PDF SOLUTIONS INC PDFS KIBARIAN JOHN KACHIG 8.25% view
S 2014-02-12 15:50:06.0 PDF SOLUTIONS INC PDFS MICHAELS KIMON 0.0% view
B 2016-02-09 16:36:03.0 Symetra Financial CORP SYA DIMENSIONAL FUND ADVISORS LP 5.06% view
S 2016-02-08 11:48:45.0 Symetra Financial CORP SYA PRUDENTIAL FINANCIAL INC 3.0% view
B 2016-02-05 12:41:34.0 Symetra Financial CORP SYA SUMITOMO LIFE INSURANCE CO 2.59% view
B 2015-02-12 09:11:12.0 Symetra Financial CORP SYA WHITE MOUNTAINS INSURANCE GROUP LTD 17.3% view
S 2015-02-10 16:13:11.0 Symetra Financial CORP SYA PRUDENTIAL FINANCIAL INC 6.1% view
B 2014-02-14 14:04:32.0 Symetra Financial CORP SYA WHITE MOUNTAINS INSURANCE GROUP LTD 17.0% view
S 2014-01-29 15:22:24.0 Symetra Financial CORP SYA BERKSHIRE HATHAWAY INC 16.15% view
B 2013-02-13 08:50:58.0 Symetra Financial CORP SYA WHITE MOUNTAINS INSURANCE GROUP LTD 5.4% view
B 2013-02-11 15:32:59.0 Symetra Financial CORP SYA PRUDENTIAL FINANCIAL INC 6.0% view
S 2012-02-14 07:02:41.0 Symetra Financial CORP SYA PRUDENTIAL FINANCIAL INC 5.4% view
B 2012-02-03 16:10:00.0 Symetra Financial CORP SYA WHITE MOUNTAINS INSURANCE GROUP LTD 5.1% view
B 2011-01-27 17:55:31.0 Symetra Financial CORP SYA FRANKLIN MUTUAL ADVISERS LLC 8.9% view
* Institutions do not report transaction buy/sell types directly. To help members better understand the transactions, this column is filled by InsiderCow's best-effort interpretations.