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TETRA TECH INC — S-3/A Filings

7 S-3/A filings on record

This page lists all S-3/A filings submitted to the SEC by TETRA TECH INC (TTEK), sorted by most recent first. Each row links to the full filing on EdgarLookup. TETRA TECH INC has filed 7 S-3/A documents with the SEC since 2014. To view all SEC filings by TETRA TECH INC, see the full filings list.

Overview All Filings Financials Insiders
All 10-C 10-K 10-K/A 10-Q 10-Q/A 144 3 3/A 4 4/A 424B1 424B2 424B3 424B4 5 8-K 8-K/A ARS CORRESP DEF 14A DEF 14C DEFA14A DEFR14A NT 10-K NT 10-Q POS AM PRE 14A PRER14C S-3 S-3/A S-3MEF S-8 SC 13D SC 13D/A SC 13G SC 13G/A SCHEDULE 13D/A SCHEDULE 13G SCHEDULE 13G/A UPLOAD
Form Description Accession Number Filed Period
S-3/A FORM S-3/A 0000912057-00-007550 Feb 17, 2000
S-3/A S-3/A 0001047469-99-002951 Feb 2, 1999
S-3/A S-3/A 0001047469-99-000530 Jan 8, 1999
S-3/A S-3/A 0000912057-97-031206 Sep 19, 1997
S-3/A S-3/A #2 0000912057-97-030034 Sep 5, 1997
S-3/A FORM S-3/A 0000898430-97-002728 Jun 27, 1997
S-3/A AMENDMENT NO. 1 TO FORM S-3 0000898430-97-002279 May 21, 1997