Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0001104659-20-004319
Filing Date
2020-01-15
Accepted
2020-01-15 16:08:42
Documents
2
Effectiveness Date
2020-01-15

Document Format Files

Seq Description Document Type Size
1 DEFA14A a20-1634_3defa14a.htm DEFA14A 75837
2 GRAPHIC g16343bii001.gif GRAPHIC 4103
  Complete submission text file 0001104659-20-004319.txt   82612
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: DEFA14A | Act: 34 | File No.: 000-19655 | Film No.: 20528392
SIC: 8711 Services-Engineering Services