04/03/2019
4:28 PM | SMITH ALBERT E (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities |  |
04/03/2019
4:27 PM | BROWNLIE WILLIAM R (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/19/2019
5:19 PM | Amidon Derek G (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/06/2019
4:13 PM | Tetra Tech (Issuer)
THOMPSON J KENNETH (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/01/2019
3:06 PM | Tetra Tech (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
02/27/2019
5:29 PM | CHRISTENSEN CRAIG L (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/21/2019
5:46 PM | GRANT HUGH M (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/21/2019
5:45 PM | HADEN PATRICK C (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/21/2019
5:44 PM | SMITH ALBERT E (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/15/2019
4:13 PM | CHRISTENSEN CRAIG L (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/15/2019
4:13 PM | CARTER BRIAN N (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/08/2019
5:21 PM | Tetra Tech (Issuer)
THOMPSON J KENNETH (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/08/2019
5:20 PM | LEWIS J CHRISTOPHER (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/08/2019
7:40 AM | DIMENSIONAL FUND ADVISORS LP (Filed by)
Tetra Tech (Subject)
| Form SC 13G/A
| |
02/01/2019
2:58 PM | Tetra Tech (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
01/31/2019
5:51 PM | O'Rourke Brendan M. (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/31/2019
5:50 PM | Hopson Preston III (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/31/2019
5:50 PM | CHRISTENSEN CRAIG L (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/30/2019
3:30 PM | Tetra Tech (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
01/18/2019
4:02 PM | Tetra Tech (Filer)
| Form DEFA14A
| |
01/18/2019
4:00 PM | Tetra Tech (Filer)
| Form DEF 14A
| |
01/11/2019
5:49 PM | SMITH ALBERT E (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/11/2019
5:48 PM | CHRISTENSEN CRAIG L (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/13/2018
4:28 PM | Ritrievi Kimberly E (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/27/2018
5:49 PM | CARTER BRIAN N (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/27/2018
5:48 PM | Argus Roger R (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/21/2018
7:10 PM | BURDICK STEVEN M (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/21/2018
7:10 PM | Argus Roger R (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/21/2018
7:09 PM | Tetra Tech (Issuer)
Volpi Kirsten M (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/21/2018
7:09 PM | BATRACK DAN L (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/21/2018
7:08 PM | HADEN PATRICK C (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/21/2018
7:08 PM | CHRISTENSEN CRAIG L (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/21/2018
7:07 PM | CARTER BRIAN N (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/21/2018
7:07 PM | Auman Jan K (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/21/2018
7:07 PM | SHOEMAKER LESLIE L (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/21/2018
7:06 PM | Rynning Mark A (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/21/2018
7:06 PM | Tetra Tech (Issuer)
Teufele Bernard (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/21/2018
7:05 PM | Tetra Tech (Issuer)
THOMPSON J KENNETH (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/21/2018
7:05 PM | LEWIS J CHRISTOPHER (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/21/2018
7:05 PM | GRANT HUGH M (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/21/2018
7:04 PM | SMITH ALBERT E (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/21/2018
7:04 PM | LEMMON RICHARD A (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/21/2018
7:03 PM | Ritrievi Kimberly E (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/21/2018
7:03 PM | BROWNLIE WILLIAM R (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/21/2018
7:02 PM | Amidon Derek G (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/19/2018
8:06 PM | Tetra Tech (Issuer)
Teufele Bernard (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/19/2018
8:05 PM | SHOEMAKER LESLIE L (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/19/2018
8:05 PM | Rynning Mark A (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/19/2018
8:05 PM | MCDONALD KEVIN P (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/19/2018
8:04 PM | LEMMON RICHARD A (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/19/2018
8:04 PM | CHRISTENSEN CRAIG L (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/19/2018
8:04 PM | CARTER BRIAN N (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/19/2018
8:03 PM | BURDICK STEVEN M (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/19/2018
8:03 PM | BROWNLIE WILLIAM R (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/19/2018
8:02 PM | BATRACK DAN L (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/19/2018
8:02 PM | Auman Jan K (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/19/2018
8:02 PM | Argus Roger R (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/19/2018
8:01 PM | Amidon Derek G (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/16/2018
4:19 PM | Tetra Tech (Issuer)
Volpi Kirsten M (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/16/2018
4:19 PM | Tetra Tech (Issuer)
THOMPSON J KENNETH (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/16/2018
4:18 PM | Tetra Tech (Issuer)
Teufele Bernard (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/16/2018
4:18 PM | SMITH ALBERT E (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/16/2018
4:17 PM | SHOEMAKER LESLIE L (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/16/2018
4:17 PM | Rynning Mark A (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/16/2018
4:16 PM | Ritrievi Kimberly E (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/16/2018
4:15 PM | O'Rourke Brendan M. (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/16/2018
4:15 PM | Maguire Joanne M (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/16/2018
4:14 PM | LEWIS J CHRISTOPHER (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/16/2018
4:13 PM | LEMMON RICHARD A (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/16/2018
4:13 PM | Hopson Preston III (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/16/2018
4:12 PM | HADEN PATRICK C (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/16/2018
4:12 PM | GRANT HUGH M (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/16/2018
4:11 PM | CHRISTENSEN CRAIG L (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/16/2018
4:11 PM | CARTER BRIAN N (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/16/2018
4:10 PM | BURDICK STEVEN M (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/16/2018
4:09 PM | BROWNLIE WILLIAM R (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/16/2018
4:09 PM | Birkenbeuel Gary (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/16/2018
4:08 PM | BATRACK DAN L (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/16/2018
4:08 PM | Auman Jan K (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/16/2018
4:07 PM | Argus Roger R (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/16/2018
4:06 PM | Amidon Derek G (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/16/2018
2:30 PM | Tetra Tech (Filer)
| Form 10-K
Annual report pursuant to Section 13 or 15(d) | |
11/07/2018
4:19 PM | O'Rourke Brendan M. (Reporting)
Tetra Tech (Issuer)
| Form 3
Initial statement of beneficial ownership of securities | |
11/07/2018
4:01 PM | Tetra Tech (Issuer)
Teufele Bernard (Reporting)
| Form 5
Annual statement of changes in beneficial ownership of securities | |
11/07/2018
4:00 PM | CHRISTENSEN CRAIG L (Reporting)
Tetra Tech (Issuer)
| Form 5
Annual statement of changes in beneficial ownership of securities | |
11/07/2018
3:30 PM | Tetra Tech (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
08/10/2018
6:23 PM | Auman Jan K (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
08/08/2018
4:04 PM | Tetra Tech (Subject)
VANGUARD GROUP INC (Filed by)
| Form SC 13G/A
| |
08/03/2018
3:38 PM | Tetra Tech (Filer)
| Form S-8
Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans | |
08/03/2018
3:02 PM | Tetra Tech (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
08/01/2018
3:35 PM | Birkenbeuel Gary (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
08/01/2018
3:33 PM | Birkenbeuel Gary (Reporting)
Tetra Tech (Issuer)
| Form 3
Initial statement of beneficial ownership of securities | |
05/04/2018
3:09 PM | Tetra Tech (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
05/02/2018
3:16 PM | Tetra Tech (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
03/16/2018
5:57 PM | MCDONALD KEVIN P (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/16/2018
5:56 PM | LEMMON RICHARD A (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/15/2018
7:02 PM | SHOEMAKER LESLIE L (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/15/2018
7:02 PM | BURDICK STEVEN M (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/15/2018
7:02 PM | BATRACK DAN L (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/14/2018
4:02 PM | LEMMON RICHARD A (Reporting)
Tetra Tech (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
