SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0000834237-20-002807
Filing Date
2020-02-04
Accepted
2020-02-04 12:30:55
Documents
1

Document Format Files

Seq Description Document Type Size
1 us88162g1031_020320.txt SC 13G/A 11564
  Complete submission text file 0000834237-20-002807.txt   13271
Mailing Address 3475 EAST FOOTHILL BOULEVARD PASADENA CA 91107
Business Address 3475 EAST FOOTHILL BOULEVARD PASADENA CA 91107 6263514664
TETRA TECH INC (Subject) CIK: 0000831641 (see all company filings)

IRS No.: 954148514 | State of Incorp.: DE | Fiscal Year End: 0927
Type: SC 13G/A | Act: 34 | File No.: 005-43035 | Film No.: 20572271
SIC: 8711 Services-Engineering Services

Mailing Address 55 EAST 52ND STREET NEW YORK NY 10055
Business Address 55 EAST 52ND STREET NEW YORK NY 10055 212-810-5300
BlackRock Inc. (Filed by) CIK: 0001364742 (see all company filings)

IRS No.: 320174431 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 6211 Security Brokers, Dealers & Flotation Companies