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PDFS
- As of 10/31/24, 07:16:33 PM: 138 Insider Transactions.
Sector:
Technology
Industry:
Technical & System Software
Prev Close:
$14.33
Avg Vol(3m):
101,071
P/E:
52.80
EPS:
0.27
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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
n/a
view
B
2014-02-11 09:06:00.0
PDF SOLUTIONS INC
PDFS
PRICE T ROWE ASSOCIATES INC
6.0%
view
S
2014-02-10 12:07:38.0
PDF SOLUTIONS INC
PDFS
Samjo Capital LLC
4.5%
view
B
2014-01-30 11:21:38.0
PDF SOLUTIONS INC
PDFS
BlackRock Inc
5.0%
view
B
2013-06-10 11:08:35.0
PDF SOLUTIONS INC
PDFS
FMR LLC
10.292%
view
B
2013-02-14 14:08:00.0
PDF SOLUTIONS INC
PDFS
FMR LLC
8.277%
view
S
2013-02-07 14:32:21.0
PDF SOLUTIONS INC
PDFS
MICHAELS KIMON
5.2%
view
S
2013-02-07 14:31:34.0
PDF SOLUTIONS INC
PDFS
KIBARIAN JOHN KACHIG
8.6%
view
B
2013-02-06 14:45:48.0
PDF SOLUTIONS INC
PDFS
PRICE T ROWE ASSOCIATES INC
0.0%
view
S
2013-02-01 11:25:22.0
PDF SOLUTIONS INC
PDFS
Samjo Capital LLC
7.8%
view
B
2012-02-13 14:20:10.0
PDF SOLUTIONS INC
PDFS
PRICE T ROWE ASSOCIATES INC
0.0%
view
S
2012-02-08 13:40:29.0
PDF SOLUTIONS INC
PDFS
BURNHAM ASSET MANAGEMENT CORP
17.0%
view
B
2012-02-07 15:17:07.0
PDF SOLUTIONS INC
PDFS
MICHAELS KIMON
5.31%
view
S
2012-02-07 15:13:25.0
PDF SOLUTIONS INC
PDFS
KIBARIAN JOHN KACHIG
9.07%
view
B
2012-02-06 13:13:06.0
PDF SOLUTIONS INC
PDFS
Samjo Capital LLC
7.9%
view
S
2011-02-22 14:30:07.0
PDF SOLUTIONS INC
PDFS
ROYCE & ASSOCIATES LLC
0.0%
view
S
2011-02-14 18:50:38.0
PDF SOLUTIONS INC
PDFS
KIBARIAN JOHN KACHIG
9.29%
view
S
2011-02-14 18:22:59.0
PDF SOLUTIONS INC
PDFS
MICHAELS KIMON
5.29%
view
S
2011-02-14 15:24:58.0
PDF SOLUTIONS INC
PDFS
ARTIS CAPITAL MANAGEMENT
4.8%
view
S
2011-02-11 11:39:04.0
PDF SOLUTIONS INC
PDFS
PRICE T ROWE ASSOCIATES INC
9.8%
view
B
2011-02-11 11:38:42.0
PDF SOLUTIONS INC
PDFS
BURNHAM ASSET MANAGEMENT CORP
48.0%
view
B
2011-01-10 15:34:42.0
PDF SOLUTIONS INC
PDFS
Samjo Capital LLC
7.3%
view
B
2010-10-12 08:36:50.0
PDF SOLUTIONS INC
PDFS
FMR LLC
3.105%
view
B
2010-10-08 15:00:20.0
PDF SOLUTIONS INC
PDFS
BURNHAM ASSET MANAGEMENT CORP
16.0%
view
S
2010-08-10 14:02:00.0
PDF SOLUTIONS INC
PDFS
WELLINGTON MANAGEMENT CO LLP
2.1%
view
S
2010-02-16 15:41:58.0
PDF SOLUTIONS INC
PDFS
MICHAELS KIMON
5.4%
view
B
2010-02-16 15:41:30.0
PDF SOLUTIONS INC
PDFS
KIBARIAN JOHN KACHIG
9.6%
view
S
2010-02-16 13:15:56.0
PDF SOLUTIONS INC
PDFS
ARTIS CAPITAL MANAGEMENT
7.0%
view
S
2009-04-09 15:21:05.0
PDF SOLUTIONS INC
PDFS
PRICE T ROWE ASSOCIATES INC
10.4%
view
B
2009-02-17 13:51:38.0
PDF SOLUTIONS INC
PDFS
ARTIS CAPITAL MANAGEMENT
12.0%
view
B
2009-01-27 13:47:00.0
PDF SOLUTIONS INC
PDFS
ROYCE & ASSOCIATES LLC
6.05%
view
S
2009-01-12 10:17:35.0
PDF SOLUTIONS INC
PDFS
BLAIR WILLIAM & CO
0.01%
view
B
2008-06-10 16:01:43.0
PDF SOLUTIONS INC
PDFS
WELLINGTON MANAGEMENT CO LLP
10.07%
view
S
2008-03-12 09:39:24.0
PDF SOLUTIONS INC
PDFS
BLAIR WILLIAM & CO
6.09%
view
S
2008-02-14 16:32:58.0
PDF SOLUTIONS INC
PDFS
FMR LLC
n/a
view
S
2008-02-14 13:46:57.0
PDF SOLUTIONS INC
PDFS
KIBARIAN JOHN KACHIG
9.4%
view
B
2008-02-14 13:46:42.0
PDF SOLUTIONS INC
PDFS
MICHAELS KIMON
6.0%
view
B
2008-02-12 09:50:02.0
PDF SOLUTIONS INC
PDFS
PRICE T ROWE ASSOCIATES INC
10.6%
view
S
2008-01-09 10:08:58.0
PDF SOLUTIONS INC
PDFS
BLAIR WILLIAM & CO
12.25%
view
S
2007-02-14 16:42:52.0
PDF SOLUTIONS INC
PDFS
FMR CORP
n/a
view
S
2007-02-13 14:20:27.0
PDF SOLUTIONS INC
PDFS
KIBARIAN JOHN KACHIG
9.48%
view
S
2007-02-13 14:17:39.0
PDF SOLUTIONS INC
PDFS
MICHAELS KIMON
5.925%
view
S
2007-02-09 17:41:16.0
PDF SOLUTIONS INC
PDFS
CAPITAL RESEARCH & MANAGEMENT CO
1.8%
view
B
2007-02-09 09:44:42.0
PDF SOLUTIONS INC
PDFS
TimesSquare Capital Management
5.7%
view
S
2007-01-17 12:19:28.0
PDF SOLUTIONS INC
PDFS
BLAIR WILLIAM & CO
14.18%
view
B
2006-12-11 17:16:53.0
PDF SOLUTIONS INC
PDFS
FMR CORP
n/a
view
B
2006-05-10 00:00:00.0
PDF SOLUTIONS INC
PDFS
PRICE T ROWE ASSOCIATES INC
10.2%
view
B
2006-02-15 00:00:00.0
PDF SOLUTIONS INC
PDFS
PRICE T ROWE ASSOCIATES INC
7.4%
view
S
2006-02-14 00:00:00.0
PDF SOLUTIONS INC
PDFS
HAWIT ANDRE
4.7%
view
S
2006-02-14 00:00:00.0
PDF SOLUTIONS INC
PDFS
MICHAELS KIMON
6.2%
view
S
2006-02-14 00:00:00.0
PDF SOLUTIONS INC
PDFS
KIBARIAN JOHN KACHIG
10.4%
view
B
2006-02-14 00:00:00.0
PDF SOLUTIONS INC
PDFS
BLAIR WILLIAM & CO
14.75%
view
B
2006-02-10 00:00:00.0
PDF SOLUTIONS INC
PDFS
CAPITAL RESEARCH & MANAGEMENT CO
6.1%
view
B
2005-07-08 00:00:00.0
PDF SOLUTIONS INC
PDFS
BLAIR WILLIAM & CO
10.59%
view
S
2005-02-14 00:00:00.0
PDF SOLUTIONS INC
PDFS
HAWIT ANDRE
6.2%
view
S
2005-02-14 00:00:00.0
PDF SOLUTIONS INC
PDFS
KERN CAPITAL MANAGEMENT LLC
0.0%
view
S
2005-02-14 00:00:00.0
PDF SOLUTIONS INC
PDFS
CAPITAL RESEARCH & MANAGEMENT CO
6.0%
view
S
2005-02-14 00:00:00.0
PDF SOLUTIONS INC
PDFS
CADENCE DESIGN SYSTEMS INC
2.9%
view
S
2005-02-14 00:00:00.0
PDF SOLUTIONS INC
PDFS
KIBARIAN JOHN KACHIG
10.8%
view
S
2005-02-14 00:00:00.0
PDF SOLUTIONS INC
PDFS
MICHAELS KIMON
6.5%
view
B
2005-02-14 00:00:00.0
PDF SOLUTIONS INC
PDFS
PRICE T ROWE ASSOCIATES INC
7.0%
view
S
2004-05-10 00:00:00.0
PDF SOLUTIONS INC
PDFS
KERN CAPITAL MANAGEMENT LLC
5.2%
view
S
2004-02-18 00:00:00.0
PDF SOLUTIONS INC
PDFS
WASATCH ADVISORS INC
n/a
view
B
2004-02-13 00:00:00.0
PDF SOLUTIONS INC
PDFS
KERN CAPITAL MANAGEMENT LLC
11.9%
view
B
2004-02-13 00:00:00.0
PDF SOLUTIONS INC
PDFS
CAPITAL RESEARCH & MANAGEMENT CO
8.8%
view
S
2004-02-12 00:00:00.0
PDF SOLUTIONS INC
PDFS
KIBARIAN JOHN KACHIG
11.1%
view
S
2004-02-12 00:00:00.0
PDF SOLUTIONS INC
PDFS
MICHAELS KIMON
6.6%
view
S
2004-02-12 00:00:00.0
PDF SOLUTIONS INC
PDFS
COBOURN THOMAS
4.8%
view
B
2004-02-12 00:00:00.0
PDF SOLUTIONS INC
PDFS
HAWIT ANDRE
6.3%
view
S
2004-02-05 00:00:00.0
PDF SOLUTIONS INC
PDFS
CADENCE DESIGN SYSTEMS INC
5.6%
view
B
2003-06-11 00:00:00.0
PDF SOLUTIONS INC
PDFS
KERN CAPITAL MANAGEMENT LLC
10.9%
view
S
2003-03-28 00:00:00.0
PDF SOLUTIONS INC
PDFS
CADENCE DESIGN SYSTEMS INC
5.6%
view
B
2003-02-14 00:00:00.0
PDF SOLUTIONS INC
PDFS
WASATCH ADVISORS INC
n/a
view
B
2003-02-14 00:00:00.0
PDF SOLUTIONS INC
PDFS
KERN CAPITAL MANAGEMENT LLC
6.3%
view
S
2003-02-14 00:00:00.0
PDF SOLUTIONS INC
PDFS
U S VENTURE PARTNERS IV L P
2.9%
view
S
2003-02-13 00:00:00.0
PDF SOLUTIONS INC
PDFS
TELOS VENTURE PARTNERS L P
1.753%
view
S
2003-02-13 00:00:00.0
PDF SOLUTIONS INC
PDFS
COBOURN THOMAS
5.5%
view
B
2002-02-21 00:00:00.0
PDF SOLUTIONS INC
PDFS
TELOS VENTURE PARTNERS L P
10.9%
view
B
2002-02-14 00:00:00.0
PDF SOLUTIONS INC
PDFS
MICHAELS KIMON
7.3%
view
B
2002-02-14 00:00:00.0
PDF SOLUTIONS INC
PDFS
KIBARIAN JOHN KACHIG
12.1%
view
B
2002-02-14 00:00:00.0
PDF SOLUTIONS INC
PDFS
COBOURN THOMAS
5.6%
view
B
2002-02-13 00:00:00.0
PDF SOLUTIONS INC
PDFS
U S VENTURE PARTNERS IV L P
11.4%
view
B
2002-01-31 00:00:00.0
PDF SOLUTIONS INC
PDFS
CADENCE DESIGN SYSTEMS INC
7.6%
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.