# Filing Detail

Form DEF 14A - Other definitive proxy statements:
SEC Accession No. 0001104659-25-004095
Filing Date
2025-01-16
Accepted
2025-01-16 16:00:35
Documents
55
Period of Report
2025-02-27

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | DEF 14A | tm2431363d2_def14a.htm iXBRL | DEF 14A | 2340916
6 | GRAPHIC | bc_1yrtsr-pn.jpg | GRAPHIC | 6624
7 | GRAPHIC | bc_3yrtsr-pn.jpg | GRAPHIC | 12150
8 | GRAPHIC | bc_capvsnetincome-pn.jpg | GRAPHIC | 66202
9 | GRAPHIC | bc_capvsrevenue-pn.jpg | GRAPHIC | 65496
10 | GRAPHIC | bc_nominee-pn.jpg | GRAPHIC | 68597
11 | GRAPHIC | bc_peergrouptsr-pn.jpg | GRAPHIC | 95734
12 | GRAPHIC | bc_trgettdc-pn.jpg | GRAPHIC | 81114
13 | GRAPHIC | cv_obc-4clr.jpg | GRAPHIC | 765793
14 | GRAPHIC | cv_ofc-4clr.jpg | GRAPHIC | 637303
15 | GRAPHIC | fc_aip-pn.jpg | GRAPHIC | 38727
16 | GRAPHIC | fc_aipaward-pn.jpg | GRAPHIC | 27136
17 | GRAPHIC | fc_areas-pn.jpg | GRAPHIC | 82008
18 | GRAPHIC | ic_donot-pn.gif | GRAPHIC | 1337
19 | GRAPHIC | ic_internet-pn.jpg | GRAPHIC | 2868
20 | GRAPHIC | ic_leaf-bw.jpg | GRAPHIC | 1778
21 | GRAPHIC | ic_mail-pn.jpg | GRAPHIC | 2558
22 | GRAPHIC | ic_person-pn.jpg | GRAPHIC | 1897
23 | GRAPHIC | ic_roundtick-bw.jpg | GRAPHIC | 1758
24 | GRAPHIC | ic_telephone-pn.jpg | GRAPHIC | 1818
25 | GRAPHIC | ic_tick-pn.gif | GRAPHIC | 1326
26 | GRAPHIC | ic_water-pn.jpg | GRAPHIC | 18626
27 | GRAPHIC | lg_tetratech-4c.jpg | GRAPHIC | 21764
28 | GRAPHIC | pc_annual-pn.jpg | GRAPHIC | 82895
29 | GRAPHIC | pc_ceoneo-pn.jpg | GRAPHIC | 37927
30 | GRAPHIC | pc_directordiversity-pn.jpg | GRAPHIC | 48209
31 | GRAPHIC | pc_directornominees-pn.jpg | GRAPHIC | 100630
32 | GRAPHIC | ph_christianaobiaya-bwlr.jpg | GRAPHIC | 19016
33 | GRAPHIC | ph_danbatrack-bw.jpg | GRAPHIC | 19196
34 | GRAPHIC | ph_danbatrack-bwlr.jpg | GRAPHIC | 16677
35 | GRAPHIC | ph_garyrbirken-bwlr.jpg | GRAPHIC | 20629
36 | GRAPHIC | ph_johnmdouglas-bwlr.jpg | GRAPHIC | 20538
37 | GRAPHIC | ph_kimberlyrit-bwlr.jpg | GRAPHIC | 31149
38 | GRAPHIC | ph_kirstenvolp-bwlr.jpg | GRAPHIC | 23485
39 | GRAPHIC | ph_prashantgandhi-bwlr.jpg | GRAPHIC | 17391
40 | GRAPHIC | sg_danbatrack-bw.jpg | GRAPHIC | 9743
41 | GRAPHIC | sg_prestonhopson-bw.jpg | GRAPHIC | 7728
42 | GRAPHIC | tbl_awardbusiness-pn.jpg | GRAPHIC | 40858
43 | GRAPHIC | tbl_outreach-pn.jpg | GRAPHIC | 109131
44 | GRAPHIC | tbl_tenure-pn.jpg | GRAPHIC | 18039
45 | GRAPHIC | px_tetraproxy1pg01-bw.jpg | GRAPHIC | 220424
46 | GRAPHIC | px_tetraproxy1pg02-4c.jpg | GRAPHIC | 197646
| Complete submission text file | 0001104659-25-004095.txt |  | 11330703

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
2 | XBRL TAXONOMY EXTENSION SCHEMA | ttek-20240929.xsd | EX-101.SCH | 10147
3 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE | ttek-20240929_def.xml | EX-101.DEF | 7143
4 | XBRL TAXONOMY EXTENSION LABEL LINKBASE | ttek-20240929_lab.xml | EX-101.LAB | 34270
5 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE | ttek-20240929_pre.xml | EX-101.PRE | 6902
57 | EXTRACTED XBRL INSTANCE DOCUMENT | tm2431363d2_def14a_htm.xml | XML | 249506

Mailing Address 3475 EAST FOOTHILL BOULEVARD PASADENA CA 91107
Business Address 3475 EAST FOOTHILL BOULEVARD PASADENA CA 91107 6263514664
TETRA TECH INC (Filer) CIK: 0000831641 (see all company filings)

EIN.: 954148514 | State of Incorp.: DE | Fiscal Year End: 0929
Type: DEF 14A | Act: 34 | File No.: 000-19655 | Film No.: 25535714
SIC: 8711 Services-Engineering Services
(CF Office: 07 Trade & Services)