08/05/2019
3:48 PM | Northwest Pipe (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) |  |
08/01/2019
3:11 PM | Northwest Pipe (Filer)
| Form 15-12G
| |
07/22/2019
3:10 PM | Northwest Pipe (Filer)
| Form 25
Notification of the removal from listing and registration of matured, redeemed or retired securities | |
07/03/2019
3:49 PM | Northwest Pipe (Filer)
| Form 8-A12G/A
| |
07/03/2019
3:12 PM | Northwest Pipe (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
06/24/2019
5:26 PM | LARSON KEITH R (Reporting)
Northwest Pipe (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/24/2019
5:26 PM | FRANSON MICHAEL C (Reporting)
Northwest Pipe (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/24/2019
5:25 PM | Applebaum Michelle Galanter (Reporting)
Northwest Pipe (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/24/2019
5:24 PM | Northwest Pipe (Issuer)
ROMAN RICHARD A (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/21/2019
3:08 PM | Northwest Pipe (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
06/20/2019
9:03 AM | Northwest Pipe (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
05/09/2019
8:14 PM | Northwest Pipe (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
05/08/2019
3:37 PM | Northwest Pipe (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
04/18/2019
3:41 PM | Northwest Pipe (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
04/01/2019
3:54 PM | Northwest Pipe (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
03/28/2019
6:15 PM | Brittain Miles (Reporting)
Northwest Pipe (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/28/2019
5:53 PM | Northwest Pipe (Issuer)
Wilkins Aaron (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/28/2019
5:47 PM | Northwest Pipe (Issuer)
Smith William M (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/28/2019
5:44 PM | GANTT ROBIN A (Reporting)
Northwest Pipe (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/28/2019
5:43 PM | MONTROSS SCOTT J (Reporting)
Northwest Pipe (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
03/15/2019
4:28 PM | Northwest Pipe (Filer)
| Form 10-K
Annual report pursuant to Section 13 or 15(d) | |
03/13/2019
3:52 PM | Northwest Pipe (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
02/13/2019
3:25 PM | Northwest Pipe (Subject)
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC (Filed by)
| Form SC 13G/A
| |
02/08/2019
7:55 AM | DIMENSIONAL FUND ADVISORS LP (Filed by)
Northwest Pipe (Subject)
| Form SC 13G/A
| |
02/06/2019
2:05 PM | BlackRock Inc. (Filed by)
Northwest Pipe (Subject)
| Form SC 13G/A
| |
01/30/2019
11:20 AM | Brittain Miles (Reporting)
Northwest Pipe (Issuer)
| Form 3
Initial statement of beneficial ownership of securities | |
01/16/2019
11:59 AM | Northwest Pipe (Subject)
ROYCE & ASSOCIATES LP (Filed by)
| Form SC 13G/A
| |
12/18/2018
7:01 PM | Northwest Pipe (Issuer)
ROMAN RICHARD A (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
11/09/2018
2:59 PM | Northwest Pipe (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
11/07/2018
6:42 PM | Northwest Pipe (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
10/31/2018
3:19 PM | Northwest Pipe (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
10/11/2018
1:47 PM | Northwest Pipe (Filer)
| Form 8-K/A
| |
09/07/2018
5:30 PM | Applebaum Michelle Galanter (Reporting)
Northwest Pipe (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
08/03/2018
2:42 PM | Northwest Pipe (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
08/02/2018
3:22 PM | Northwest Pipe (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
08/01/2018
3:09 PM | Northwest Pipe (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
07/09/2018
3:43 PM | HEARTLAND ADVISORS INC (Filed by)
Northwest Pipe (Subject)
| Form SC 13G/A
| |
06/25/2018
3:09 PM | Northwest Pipe (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
06/11/2018
3:08 PM | Northwest Pipe (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
06/08/2018
4:23 PM | Applebaum Michelle Galanter (Reporting)
Northwest Pipe (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/08/2018
4:22 PM | DEMOREST HARRY L (Reporting)
Northwest Pipe (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/08/2018
4:22 PM | LARSON KEITH R (Reporting)
Northwest Pipe (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/08/2018
4:21 PM | FRANSON MICHAEL C (Reporting)
Northwest Pipe (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/06/2018
9:20 AM | Northwest Pipe (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
05/22/2018
3:01 PM | Northwest Pipe (Filer)
| Form SD
Specialized Disclosure Report | |
05/03/2018
4:06 PM | Northwest Pipe (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
05/02/2018
3:38 PM | Northwest Pipe (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
04/05/2018
11:48 AM | Northwest Pipe (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
03/16/2018
1:10 PM | Northwest Pipe (Filer)
| Form 10-K
Annual report pursuant to Section 13 or 15(d) | |
02/13/2018
1:20 PM | Northwest Pipe (Subject)
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC (Filed by)
| Form SC 13G/A
| |
02/09/2018
8:29 AM | DIMENSIONAL FUND ADVISORS LP (Filed by)
Northwest Pipe (Subject)
| Form SC 13G/A
| |
02/02/2018
11:29 AM | HEARTLAND ADVISORS INC (Filed by)
Northwest Pipe (Subject)
| Form SC 13G/A
| |
02/01/2018
8:26 AM | BlackRock Inc. (Filed by)
Northwest Pipe (Subject)
| Form SC 13G
| |
01/23/2018
12:06 PM | Northwest Pipe (Subject)
ROYCE & ASSOCIATES LP (Filed by)
| Form SC 13G/A
| |
01/18/2018
3:17 PM | Northwest Pipe (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
01/17/2018
6:18 PM | Northwest Pipe (Issuer)
Wilkins Aaron (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/17/2018
6:18 PM | Northwest Pipe (Issuer)
Smith William M (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/17/2018
6:17 PM | MONTROSS SCOTT J (Reporting)
Northwest Pipe (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/17/2018
6:16 PM | GANTT ROBIN A (Reporting)
Northwest Pipe (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/17/2018
6:15 PM | Dana Martin W (Reporting)
Northwest Pipe (Issuer)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/17/2018
3:07 PM | Northwest Pipe (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
12/29/2017
2:16 PM | Northwest Pipe (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
