TTEK News — Page 2
Official issuer or fund updates, exact SEC current reports, and large established publisher coverage, newest first. Every lawfully retained item remains in the corpus; each public page contains at most 100 rows. Headlines open the exact source; summaries are concise descriptions and not investment recommendations. Captured 2026-08-31.
| Date | Type | Publisher | Headline | Summary |
|---|---|---|---|---|
| 2013-11-14 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,7.01,9.01. |
| 2013-09-30 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 1.01,9.01. |
| 2013-08-08 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,9.01. |
| 2013-07-31 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 5.02,9.01. |
| 2013-06-19 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 7.01,8.01,9.01. |
| 2013-05-09 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 1.01,3.03,9.01. |
| 2013-05-02 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,9.01. |
| 2013-04-09 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 8.01,9.01. |
| 2013-02-27 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 5.07. |
| 2013-01-31 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,9.01. |
| 2012-11-08 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,5.02,9.01. |
| 2012-08-02 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,9.01. |
| 2012-05-03 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,9.01. |
| 2012-04-13 | Current report | SEC filing | TETRA TECH INC filed Form 8-K/A | TETRA TECH INC filed Form 8-K/A covering items 5.07. |
| 2012-02-29 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 5.07. |
| 2012-02-14 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 8.01. |
| 2012-02-02 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,9.01. |
| 2011-11-10 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,9.01. |
| 2011-08-04 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,9.01. |
| 2011-07-20 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 5.02,9.01. |
| 2011-05-05 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,9.01. |
| 2011-03-30 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 1.01,1.02,2.03,9.01. |
| 2011-03-11 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 5.02,9.01. |
| 2011-03-03 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 5.07. |
| 2011-02-03 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,9.01. |
| 2010-11-12 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,9.01. |
| 2010-07-29 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,9.01. |
| 2010-04-29 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,9.01. |
| 2010-03-02 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 5.07. |
| 2010-01-28 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,9.01. |
| 2009-11-12 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,9.01. |
| 2009-07-30 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,9.01. |
| 2009-04-30 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 5.03,9.01. |
| 2009-04-30 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,9.01. |
| 2009-02-27 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 5.03,9.01. |
| 2009-01-29 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,9.01. |
| 2008-11-13 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,9.01. |
| 2008-10-06 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 5.02. |
| 2008-07-31 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,9.01. |
| 2008-05-01 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,9.01. |
| 2008-03-28 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 5.02,9.01. |
| 2008-01-31 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,5.02,9.01. |
| 2007-11-15 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,9.01. |
| 2007-08-02 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,9.01. |
| 2007-05-03 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,5.02,9.01. |
| 2007-04-17 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 8.01,9.01. |
| 2007-02-01 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,9.01. |
| 2006-12-18 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 8.01,9.01. |
| 2006-11-16 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,5.02,9.01. |
| 2006-08-17 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,9.01. |
| 2006-08-14 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 8.01,9.01. |
| 2006-08-03 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,9.01. |
| 2006-05-04 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,9.01. |
| 2006-03-10 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 5.02,9.01. |
| 2006-01-26 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,9.01. |
| 2005-12-12 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 1.01. |
| 2005-12-05 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 5.02,9.01. |
| 2005-11-18 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,9.01. |
| 2005-11-17 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 1.01,2.02,5.02,9.01. |
| 2005-11-02 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 5.02,9.01. |
| 2005-09-09 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 1.01. |
| 2005-08-09 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 1.01,5.02,9.01. |
| 2005-07-28 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,9.01. |
| 2005-05-17 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 5.02,9.01. |
| 2005-04-28 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,9.01. |
| 2005-03-30 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,9.01. |
| 2005-01-27 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,9.01. |
| 2004-12-17 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,4.02,9.01. |
| 2004-11-18 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2.02,9.01. |
| 2004-11-09 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 7.01,9.01. |
| 2004-10-07 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 5.02,9.01. |
| 2004-09-17 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 7.01,9.01. |
| 2004-07-22 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 12,7. |
| 2004-06-25 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 5,7. |
| 2004-04-22 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 12,7. |
| 2004-04-13 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 5,7. |
| 2004-01-22 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 12,7. |
| 2004-01-13 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 4,7. |
| 2003-11-20 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 12,7. |
| 2003-07-24 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 7,9. |
| 2003-05-22 | Current report | SEC filing | TETRA TECH INC filed Form 8-K/A | TETRA TECH INC filed Form 8-K/A covering items 7. |
| 2003-04-24 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 7,9. |
| 2003-03-20 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2,7. |
| 2003-03-10 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 5,7. |
| 2003-02-18 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 5,7. |
| 2003-01-23 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 5,7. |
| 2002-12-05 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 5,7. |
| 2002-11-14 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 5,7. |
| 2002-07-18 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 5,7. |
| 2002-04-18 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 5,7. |
| 2002-03-15 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 5,7. |
| 2002-01-17 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 5,7. |
| 2001-11-15 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 5,7. |
| 2001-07-19 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 5,7. |
| 2001-07-06 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 5,7. |
| 2000-12-13 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 5,7. |
| 1998-12-01 | Current report | SEC filing | TETRA TECH INC filed Form 8-K/A | TETRA TECH INC filed Form 8-K/A covering items 2,7. |
| 1998-10-01 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2,7. |
| 1998-03-16 | Current report | SEC filing | TETRA TECH INC filed Form 8-K/A | TETRA TECH INC filed Form 8-K/A covering items 7. |
| 1998-01-15 | Current report | SEC filing | TETRA TECH INC filed Form 8-K | TETRA TECH INC filed Form 8-K covering items 2,7. |