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TTEK - As of  04/30/25, 12:41:47 PM:   110 Insider Transactions.

Sector: Services    Industry: Technical Services
Prev Close:$31.19  Avg Vol(3m): 336,841  P/E: 86.40  EPS: 0.36

Email this page to a friend.    Insider Transactions for TTEK

Buy/Sell* Filed Date Subject Symbol Acquirer Pct Owned Details
S 2020-02-11 19:35:03.0 TETRA TECH INC TTEK VANGUARD GROUP INC 10.05% view
S 2020-02-04 12:30:55.0 TETRA TECH INC TTEK BlackRock Inc 12.4% view
B 2019-02-11 17:48:47.0 TETRA TECH INC TTEK VANGUARD GROUP INC 10.3% view
S 2019-02-08 08:40:41.0 TETRA TECH INC TTEK DIMENSIONAL FUND ADVISORS LP 4.25% view
B 2019-01-31 14:46:49.0 TETRA TECH INC TTEK BlackRock Inc 15.5% view
B 2018-08-08 17:04:11.0 TETRA TECH INC TTEK VANGUARD GROUP INC 10.02% view
B 2018-02-12 07:40:47.0 TETRA TECH INC TTEK VANGUARD GROUP INC 9.35% view
S 2018-02-09 09:11:44.0 TETRA TECH INC TTEK DIMENSIONAL FUND ADVISORS LP 5.18% view
B 2017-02-10 14:09:26.0 TETRA TECH INC TTEK VANGUARD GROUP INC 8.6% view
B 2017-02-09 10:21:56.0 TETRA TECH INC TTEK DIMENSIONAL FUND ADVISORS LP 5.68% view
B 2017-01-17 12:48:20.0 TETRA TECH INC TTEK BlackRock Inc 13.0% view
B 2016-04-08 10:31:31.0 TETRA TECH INC TTEK BlackRock Inc 10.1% view
B 2016-02-10 15:31:05.0 TETRA TECH INC TTEK VANGUARD GROUP INC 7.18% view
S 2016-01-27 15:54:51.0 TETRA TECH INC TTEK BlackRock Inc 9.8% view
B 2016-01-08 17:08:55.0 TETRA TECH INC TTEK BlackRock Inc 10.1% view
S 2015-08-12 08:11:54.0 TETRA TECH INC TTEK NORGES BANK 4.89% view
B 2015-02-10 11:28:45.0 TETRA TECH INC TTEK VANGUARD GROUP INC 6.59% view
B 2015-02-09 10:58:49.0 TETRA TECH INC TTEK NORGES BANK 5.05% view
B 2014-02-12 08:52:47.0 TETRA TECH INC TTEK VANGUARD GROUP INC 6.02% view
B 2014-01-30 14:12:32.0 TETRA TECH INC TTEK BlackRock Inc 9.2% view
S 2013-02-14 12:31:36.0 TETRA TECH INC TTEK BAMCO INC 2.08% view
B 2013-02-11 09:26:07.0 TETRA TECH INC TTEK VANGUARD GROUP INC 5.96% view
B 2013-02-07 18:52:30.0 TETRA TECH INC TTEK BlackRock Inc 7.9% view
S 2012-04-09 15:11:34.0 TETRA TECH INC TTEK Invesco Ltd 4.5% view
S 2012-02-14 09:58:10.0 TETRA TECH INC TTEK BAMCO INC 7.06% view
S 2012-02-10 16:31:42.0 TETRA TECH INC TTEK Invesco Ltd 5.8% view
S 2012-02-10 12:51:32.0 TETRA TECH INC TTEK BlackRock Inc 7.84% view
B 2012-02-09 10:19:41.0 TETRA TECH INC TTEK VANGUARD GROUP INC 5.36% view
B 2011-02-14 11:00:41.0 TETRA TECH INC TTEK BAMCO INC 8.27% view
B 2011-02-14 08:04:47.0 TETRA TECH INC TTEK Invesco Ltd 6.6% view
B 2011-02-09 08:54:19.0 TETRA TECH INC TTEK BlackRock Inc 8.09% view
S 2010-02-12 16:31:05.0 TETRA TECH INC TTEK Invesco Ltd 6.6% view
B 2010-02-12 12:32:48.0 TETRA TECH INC TTEK BAMCO INC 7.5% view
B 2010-01-29 15:35:41.0 TETRA TECH INC TTEK BlackRock Inc 7.86% view
S 2009-02-17 15:24:58.0 TETRA TECH INC TTEK SAMANA CAPITAL 4.8% view
S 2009-02-11 19:09:33.0 TETRA TECH INC TTEK Invesco Ltd 8.5% view
S 2009-01-23 17:14:20.0 TETRA TECH INC TTEK GENDELL JEFFREY L ET AL n/a view
S 2008-08-04 06:11:42.0 TETRA TECH INC TTEK PICTET ASSET MANAGEMENT SA 4.85% view
B 2008-02-13 16:34:48.0 TETRA TECH INC TTEK Invesco Ltd 10.38% view
S 2008-02-13 12:18:53.0 TETRA TECH INC TTEK ZIFF ASSET MANAGEMENT LP 6.7% view
S 2008-02-13 06:11:22.0 TETRA TECH INC TTEK ARTISAN PARTNERS LTD PARTNERSHIP 0.0% view
S 2008-02-12 17:20:29.0 TETRA TECH INC TTEK GENDELL JEFFREY L ET AL 7.03% view
B 2008-02-06 12:25:38.0 TETRA TECH INC TTEK BARCLAYS GLOBAL INVESTORS NA 2.92% view
B 2008-01-11 08:37:04.0 TETRA TECH INC TTEK PICTET ASSET MANAGEMENT SA 7.647% view
B 2007-11-19 14:53:52.0 TETRA TECH INC TTEK ZIFF ASSET MANAGEMENT LP 6.8% view
S 2007-09-06 08:14:43.0 TETRA TECH INC TTEK SNOW CAPITAL MANAGEMENT LP 0.32% view
B 2007-02-27 06:00:56.0 TETRA TECH INC TTEK PICTET ASSET MANAGEMENT SA 5.04% view
S 2007-02-14 11:05:46.0 TETRA TECH INC TTEK PRICE T ROWE ASSOCIATES INC 0.0% view
B 2007-02-13 08:38:39.0 TETRA TECH INC TTEK GENDELL JEFFREY L ET AL 7.8% view
S 2007-02-09 17:41:54.0 TETRA TECH INC TTEK CAPITAL RESEARCH & MANAGEMENT CO 0.5% view
B 2007-02-05 13:47:30.0 TETRA TECH INC TTEK SNOW CAPITAL MANAGEMENT LP 6.49% view
B 2007-01-26 13:44:08.0 TETRA TECH INC TTEK ARTISAN PARTNERS LTD PARTNERSHIP 5.9% view
B 2007-01-23 17:03:15.0 TETRA TECH INC TTEK BARCLAYS GLOBAL INVESTORS NA 2.9% view
B 2006-02-14 00:00:00.0 TETRA TECH INC TTEK GENDELL JEFFREY L ET AL 6.34% view
B 2006-02-14 00:00:00.0 TETRA TECH INC TTEK Sterling Capital Management LLC 1.7% view
S 2006-02-13 00:00:00.0 TETRA TECH INC TTEK PRICE T ROWE ASSOCIATES INC 5.0% view
B 2006-02-10 00:00:00.0 TETRA TECH INC TTEK CAPITAL RESEARCH & MANAGEMENT CO 5.5% view
B 2005-07-18 00:00:00.0 TETRA TECH INC TTEK GENDELL JEFFREY L ET AL 5.58% view
S 2005-02-14 00:00:00.0 TETRA TECH INC TTEK PRICE T ROWE ASSOCIATES INC 7.7% view
B 2005-02-11 00:00:00.0 TETRA TECH INC TTEK COLUMBIA WANGER ASSET MANAGEMENT LP 5.9% view
B 2005-01-06 00:00:00.0 TETRA TECH INC TTEK STERLING CAPITAL MANAGEMENT LLC 7.9% view
S 2004-02-12 00:00:00.0 TETRA TECH INC TTEK PRICE T ROWE ASSOCIATES INC 7.9% view
S 2004-02-10 00:00:00.0 TETRA TECH INC TTEK LIBERTY WANGER ASSET MANAGEMENT LP 4.987% view
B 2003-02-14 00:00:00.0 TETRA TECH INC TTEK LIBERTY WANGER ASSET MANAGEMENT LP 5.1% view
S 2003-02-12 00:00:00.0 TETRA TECH INC TTEK NORTHWESTERN MUTUAL LIFE INSURANCE CO 1.4% view
B 2003-02-05 00:00:00.0 TETRA TECH INC TTEK PRICE T ROWE ASSOCIATES INC 8.9% view
S 2002-04-10 00:00:00.0 TETRA TECH INC TTEK A I M MANAGEMENT GROUP INC 0.5% view
B 2002-02-12 00:00:00.0 TETRA TECH INC TTEK PRICE T ROWE ASSOCIATES INC 6.4% view
B 2002-02-07 00:00:00.0 TETRA TECH INC TTEK NORTHWESTERN MUTUAL LIFE INSURANCE CO 5.5% view
S 2002-02-06 00:00:00.0 TETRA TECH INC TTEK A I M MANAGEMENT GROUP INC 9.2% view
B 2001-05-10 00:00:00.0 TETRA TECH INC TTEK A I M MANAGEMENT GROUP INC 10.5% view
B 2001-02-14 00:00:00.0 TETRA TECH INC TTEK PILGRIM BAXTER & ASSOCIATES LTD 1.36% view
S 2001-02-14 00:00:00.0 TETRA TECH INC TTEK HWANG LI 4.6% view
S 2001-02-12 00:00:00.0 TETRA TECH INC TTEK PRICE T ROWE ASSOCIATES INC 5.6% view
B 2001-02-09 00:00:00.0 TETRA TECH INC TTEK NORTHWESTERN MUTUAL LIFE INSURANCE CO 5.3% view
B 2001-02-09 00:00:00.0 TETRA TECH INC TTEK A I M MANAGEMENT GROUP INC 5.4% view
S 2000-05-10 00:00:00.0 TETRA TECH INC TTEK BROWN INVESTMENT ADVISORY & TRUST CO 4.09% view
S 2000-02-14 00:00:00.0 TETRA TECH INC TTEK HWANG LI 5.2% view
S 2000-02-14 00:00:00.0 TETRA TECH INC TTEK BROWN INVESTMENT ADVISORY & TRUST CO 5.0% view
B 2000-02-08 00:00:00.0 TETRA TECH INC TTEK PRICE T ROWE ASSOCIATES INC 6.4% view
S 1999-05-10 00:00:00.0 TETRA TECH INC TTEK BROWN INVESTMENT ADVISORY & TRUST CO 5.3% view
B 1999-02-17 00:00:00.0 TETRA TECH INC TTEK BROWN INVESTMENT ADVISORY & TRUST CO 16.4% view
S 1999-02-16 00:00:00.0 TETRA TECH INC TTEK HWANG LI 5.6% view
B 1999-02-12 00:00:00.0 TETRA TECH INC TTEK OPPENHEIMER CAPITAL 6.9% view
B 1999-02-11 00:00:00.0 TETRA TECH INC TTEK PRICE T ROWE ASSOCIATES INC 6.2% view
S 1999-01-19 00:00:00.0 TETRA TECH INC TTEK PILGRIM BAXTER & ASSOCIATES LTD 9.51% view
S 1998-06-10 00:00:00.0 TETRA TECH INC TTEK PILGRIM BAXTER & ASSOCIATES LTD 10.18% view
B 1998-04-09 00:00:00.0 TETRA TECH INC TTEK PILGRIM BAXTER & ASSOCIATES LTD 10.32% view
S 1998-03-09 00:00:00.0 TETRA TECH INC TTEK PILGRIM BAXTER & ASSOCIATES LTD 10.3% view
S 1998-02-18 00:00:00.0 TETRA TECH INC TTEK DANIEL A WHALEN 16.3% view
S 1998-02-11 00:00:00.0 TETRA TECH INC TTEK HWANG LI 6.3% view
S 1998-02-10 00:00:00.0 TETRA TECH INC TTEK PILGRIM BAXTER & ASSOCIATES LTD 10.32% view
S 1998-02-06 00:00:00.0 TETRA TECH INC TTEK RCM CAPITAL MANAGEMENT L L C n/a view
S 1998-02-06 00:00:00.0 TETRA TECH INC TTEK DRESDNER BANK AG n/a view
S 1998-01-29 00:00:00.0 TETRA TECH INC TTEK NORTHWESTERN MUTUAL LIFE INSURANCE CO 4.3% view
B 1998-01-09 00:00:00.0 TETRA TECH INC TTEK PILGRIM BAXTER & ASSOCIATES LTD 10.33% view
B 1997-06-23 00:00:00.0 TETRA TECH INC TTEK PILGRIM BAXTER & ASSOCIATES LTD 1.0% view
B 1997-06-23 00:00:00.0 TETRA TECH INC TTEK DANIEL A WHALEN 17.9% view
B 1997-02-13 00:00:00.0 TETRA TECH INC TTEK HWANG LI 7.9% view
B 1997-02-13 00:00:00.0 TETRA TECH INC TTEK DRESDNER BANK AG 9.6% view
B 1997-02-07 00:00:00.0 TETRA TECH INC TTEK NORTHWESTERN MUTUAL LIFE INSURANCE CO 6.6% view
B 1997-02-06 00:00:00.0 TETRA TECH INC TTEK RCM CAPITAL MANAGEMENT L L C 9.6% view
S 1996-12-10 00:00:00.0 TETRA TECH INC TTEK MERRILL LYNCH & CO INC 3.1% view
S 1996-05-13 00:00:00.0 TETRA TECH INC TTEK FMR CORP n/a view
S 1996-02-15 00:00:00.0 TETRA TECH INC TTEK MORGAN J P & CO INC 5.4% view
S 1996-02-13 00:00:00.0 TETRA TECH INC TTEK MERRILL LYNCH & CO INC 10.3% view
B 1995-11-16 00:00:00.0 TETRA TECH INC TTEK MERRILL LYNCH & CO INC 12.3% view
B 1995-02-15 00:00:00.0 TETRA TECH INC TTEK MORGAN J P & CO INC 7.2% view
B 1995-02-13 00:00:00.0 TETRA TECH INC TTEK MERRILL LYNCH & CO INC 9.5% view
B 1995-02-10 00:00:00.0 TETRA TECH INC TTEK FMR CORP 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.