Financial reports
10-K
2023 FY
Annual report
5 Mar 24
10-Q
2023 Q3
Quarterly report
3 Nov 23
10-Q
2023 Q2
Quarterly report
3 Aug 23
10-Q
2023 Q1
Quarterly report
4 May 23
10-K
2022 FY
Annual report
16 Mar 23
10-Q
2022 Q3
Quarterly report
9 Nov 22
10-Q
2022 Q2
Quarterly report
9 Aug 22
10-Q
2022 Q1
Quarterly report
5 May 22
10-K
2021 FY
Annual report
16 Mar 22
10-Q
2021 Q3
Quarterly report
9 Nov 21
Current reports
8-K
Departure of Directors or Certain Officers
3 Apr 24
8-K
Northwest Pipe Company Announces Fourth Quarter and Full Year 2023 Financial Results
4 Mar 24
8-K
Departure of Directors or Certain Officers
19 Dec 23
8-K
Northwest Pipe Company Announces Third Quarter 2023 Financial Results and Share Repurchase Authorization
2 Nov 23
8-K
Northwest Pipe Company Announces Second Quarter 2023 Financial Results
2 Aug 23
8-K
Entry into a Material Definitive Agreement
3 Jul 23
8-K
Submission of Matters to a Vote of Security Holders
23 Jun 23
8-K
Regulation FD Disclosure
22 Jun 23
8-K
Northwest Pipe Company Announces First Quarter 2023 Financial Results
3 May 23
8-K
Other Events
21 Apr 23
Registration and prospectus
S-3
Shelf registration
21 Nov 23
424B5
Prospectus supplement for primary offering
2 Sep 22
S-8
Registration of securities for employees
16 Jun 22
S-3
Shelf registration
23 Oct 20
15-12G
Securities registration termination
1 Aug 19
25
Voluntary exchange delisting
22 Jul 19
8-A12G/A
Registration of securities (amended)
3 Jul 19
S-3/A
Shelf registration (amended)
18 Aug 17
S-3
Shelf registration
17 Mar 17
S-8
Registration of securities for employees
28 Aug 13
Proxies
DEF 14A
Definitive proxy
27 Apr 23
DEF 14A
Definitive proxy
28 Apr 22
DEF 14A
Definitive proxy
22 Apr 21
DEF 14A
Definitive proxy
23 Apr 20
DEF 14A
Definitive proxy
25 Apr 19
DEF 14A
Definitive proxy
26 Apr 18
DEF 14A
Definitive proxy
27 Apr 17
DEF 14A
Definitive proxy
28 Apr 16
DEF 14A
Definitive proxy
30 Apr 15
DEF 14A
Definitive proxy
18 Apr 14
Other
EFFECT
Notice of effectiveness
5 Dec 23
CORRESP
Correspondence with SEC
29 Nov 23
UPLOAD
Letter from SEC
28 Nov 23
SD
Conflict minerals disclosure
31 May 23
SD
Conflict minerals disclosure
31 May 22
SD
Conflict minerals disclosure
1 Jun 21
EFFECT
Notice of effectiveness
4 Nov 20
CORRESP
Correspondence with SEC
29 Oct 20
UPLOAD
Letter from SEC
27 Oct 20
SD
Conflict minerals disclosure
22 May 20