Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0001306550-23-008284
Filing Date
2023-02-07
Accepted
2023-02-07 14:10:48
Documents
1

Document Format Files

Seq Description Document Type Size
1 us88162g1031_020723.txt SC 13G/A 11762
  Complete submission text file 0001306550-23-008284.txt   13469
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)

EIN.: 954148514 | State of Incorp.: DE | Fiscal Year End: 1001
Type: SC 13G/A | Act: 34 | File No.: 005-43035 | Film No.: 23594339
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)

EIN.: 320174431 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 6211 Security Brokers, Dealers & Flotation Companies