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GERN
- As of 05/15/24, 01:29:32 PM: 49 Insider Transactions.
Sector:
Healthcare
Industry:
Biotechnology
Prev Close:
$2.75
Avg Vol(3m):
1,788,710
P/E:
916.60
EPS:
0.00
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Insider Transactions for GERN
Buy/Sell*
Filed Date
Subject
Symbol
Acquirer
Pct Owned
Details
S
2020-09-10 10:03:35.0
GERON CORP
GERN
FMR LLC
2.773%
view
B
2020-06-01 17:15:41.0
GERON CORP
GERN
GREAT POINT PARTNERS LLC
7.3%
view
B
2020-05-29 16:05:18.0
DAWSON GEOPHYSICAL CO
DWSN
GATE CITY CAPITAL MANAGEMENT
10.58%
view
B
2020-02-14 16:04:58.0
DAWSON GEOPHYSICAL CO
DWSN
GATE CITY CAPITAL MANAGEMENT
6.84%
view
B
2020-02-14 10:40:03.0
DAWSON GEOPHYSICAL CO
DWSN
RENAISSANCE TECHNOLOGIES LLC
7.55%
view
B
2020-02-12 10:43:42.0
DAWSON GEOPHYSICAL CO
DWSN
GRACE & WHITE INC
5.68%
view
S
2019-09-09 13:55:28.0
DAWSON GEOPHYSICAL CO
DWSN
BlackRock Inc
4.3%
view
S
2019-02-12 21:33:16.0
DAWSON GEOPHYSICAL CO
DWSN
BEDDOW CAPITAL MANAGEMENT INC
3.94%
view
B
2019-02-08 08:52:42.0
DAWSON GEOPHYSICAL CO
DWSN
BlackRock Inc
8.2%
view
B
2019-01-25 17:11:40.0
DAWSON GEOPHYSICAL CO
DWSN
RENAISSANCE TECHNOLOGIES LLC
7.93%
view
S
2018-02-09 09:29:24.0
DAWSON GEOPHYSICAL CO
DWSN
BEDDOW CAPITAL MANAGEMENT INC
8.53%
view
B
2017-07-10 14:15:40.0
DAWSON GEOPHYSICAL CO
DWSN
RENAISSANCE TECHNOLOGIES LLC
6.59%
view
B
2017-02-09 09:34:25.0
DAWSON GEOPHYSICAL CO
DWSN
BlackRock Inc
9.0%
view
B
2016-08-02 16:50:49.0
DAWSON GEOPHYSICAL CO
TGE
DIMENSIONAL FUND ADVISORS LP
5.63%
view
B
2016-02-04 16:51:30.0
DAWSON GEOPHYSICAL CO
TGE
BlackRock Inc
6.9%
view
B
2016-01-21 11:44:27.0
DAWSON GEOPHYSICAL CO
TGE
BEDDOW CAPITAL MANAGEMENT INC
10.0%
view
B
2015-03-10 10:50:39.0
DAWSON GEOPHYSICAL CO
TGE
AMERIPRISE FINANCIAL INC
9.63%
view
B
2015-02-12 16:02:19.0
TGC INDUSTRIES INC
TGE
Boston Partners
6.44%
view
S
2015-02-06 08:37:27.0
TGC INDUSTRIES INC
TGE
PUNCH & ASSOCIATES INVESTMENT MANAGEMENT
1.44%
view
B
2015-01-28 14:47:06.0
TGC INDUSTRIES INC
TGE
THOMSON HORSTMANN & BRYANT INC
11.47%
view
B
2014-02-14 14:40:01.0
TGC INDUSTRIES INC
TGE
PUNCH & ASSOCIATES INVESTMENT MANAGEMENT
5.39%
view
B
2014-02-13 08:05:25.0
TGC INDUSTRIES INC
TGE
THOMSON HORSTMANN & BRYANT INC
6.17%
view
S
2014-01-16 14:04:58.0
TGC INDUSTRIES INC
TGE
AMERIPRISE FINANCIAL INC
0.0%
view
S
2013-02-12 16:19:46.0
TGC INDUSTRIES INC
TGE
ROYCE & ASSOCIATES LLC
7.13%
view
B
2012-02-13 17:25:30.0
TGC INDUSTRIES INC
TGE
PARADIGM CAPITAL MANAGEMENT INC
5.16%
view
S
2012-02-01 12:02:15.0
TGC INDUSTRIES INC
TGE
ROYCE & ASSOCIATES LLC
8.57%
view
S
2011-02-10 20:43:11.0
TGC INDUSTRIES INC
TGE
THOMSON HORSTMANN & BRYANT INC
8.03%
view
B
2011-02-01 10:43:53.0
TGC INDUSTRIES INC
TGE
THOMSON HORSTMANN & BRYANT INC
8.95%
view
B
2011-01-25 14:00:59.0
TGC INDUSTRIES INC
TGCI
ROYCE & ASSOCIATES LLC
11.54%
view
S
2009-01-30 12:21:53.0
TGC INDUSTRIES INC
TGCI
STRS OHIO
0.0%
view
B
2008-11-06 14:59:41.0
TGC INDUSTRIES INC
TGE
SYSTEMATIC FINANCIAL MANAGEMENT LP
6.82%
view
B
2008-01-31 13:11:49.0
TGC INDUSTRIES INC
TGE
STRS OHIO
6.34%
view
B
2007-02-15 12:07:34.0
TGC INDUSTRIES INC
TGE
SYSTEMATIC FINANCIAL MANAGEMENT LP
6.75%
view
S
2007-01-25 13:46:29.0
TGC INDUSTRIES INC
TGE
STRS OHIO
n/a
view
B
2006-03-13 00:00:00.0
TGC INDUSTRIES INC
TGCI
RICE HALL JAMES & ASSOCIATES
5.4%
view
S
2006-02-10 00:00:00.0
TGC INDUSTRIES INC
TGCI
TODRES SIDNEY
n/a
view
B
2004-03-12 00:00:00.0
TGC INDUSTRIES INC
TGCI
TODRES SIDNEY
7.13%
view
S
2004-02-17 00:00:00.0
TGC INDUSTRIES INC
TGCI
SPECIAL SITUATIONS FUND III L P
1.0%
view
B
2002-03-11 00:00:00.0
TGC INDUSTRIES INC
TGCI
SPECIAL SITUATIONS FUND III L P
16.2%
view
B
2001-02-14 00:00:00.0
TGC INDUSTRIES INC
TGCI
WEDGE ENERGY SERVICES LLC
50.5%
view
B
2000-03-02 00:00:00.0
TGC INDUSTRIES INC
TGCI
WEDGE ENERGY SERVICES LLC
49.1%
view
S
1999-02-11 00:00:00.0
TGC INDUSTRIES INC
TGCI
FLYNN EDWARD L
n/a
view
S
1998-10-13 00:00:00.0
TGC INDUSTRIES INC
TGCI
FLYNN EDWARD L
n/a
view
S
1998-08-27 00:00:00.0
TGC INDUSTRIES INC
TGCI
FLYNN EDWARD L
n/a
view
S
1998-08-17 00:00:00.0
TGC INDUSTRIES INC
TGCI
FLYNN EDWARD L
n/a
view
S
1998-06-23 00:00:00.0
TGC INDUSTRIES INC
TGCI
FLYNN EDWARD L
n/a
view
S
1997-09-09 00:00:00.0
TGC INDUSTRIES INC
TGCI
FLYNN EDWARD L
n/a
view
S
1997-08-14 00:00:00.0
TGC INDUSTRIES INC
TGCI
FLYNN EDWARD L
n/a
view
B
1997-05-14 00:00:00.0
TGC INDUSTRIES INC
TGCI
FLYNN EDWARD L
n/a
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.