Financial reports
10-Q
2023 Q3
Quarterly report
26 Oct 23
10-Q
2023 Q2
Quarterly report
24 Jul 23
10-Q
2023 Q1
Quarterly report
27 Apr 23
ARS
2023 FY
Annual report to shareholders
14 Mar 23
10-K
2022 FY
Annual report
16 Feb 23
10-Q
2022 Q3
Quarterly report
24 Oct 22
10-Q
2022 Q2
Quarterly report
27 Jul 22
10-Q
2022 Q1
Quarterly report
28 Apr 22
10-K
2021 FY
Annual report
11 Feb 22
10-Q
2021 Q3
Quarterly report
25 Oct 21
Current reports
8-K
Regulation FD Disclosure
6 Dec 23
8-K
Entry into a Material Definitive Agreement
5 Dec 23
8-K
Regulation FD Disclosure
13 Nov 23
8-K
NorthWestern Reports Third Quarter 2023 Financial Results
27 Oct 23
8-K
Entry into a Material Definitive Agreement
2 Oct 23
8-K
Regulation FD Disclosure
13 Sep 23
8-K
NorthWestern Reports Second Quarter 2023 Financial Results
25 Jul 23
8-K
Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
6 Jul 23
8-K
Entry into a Material Definitive Agreement
15 Jun 23
8-K
Entry into a Material Definitive Agreement
9 Jun 23
Registration and prospectus
15-12G
Securities registration termination
7 Dec 23
POSASR
Automatic shelf registration (post-effective amendment)
2 Oct 23
POSASR
Automatic shelf registration (post-effective amendment)
2 Oct 23
S-8 POS
Registration of securities for employees (post-effective amendment)
2 Oct 23
S-8 POS
Registration of securities for employees (post-effective amendment)
2 Oct 23
S-8 POS
Registration of securities for employees (post-effective amendment)
2 Oct 23
S-8 POS
Registration of securities for employees (post-effective amendment)
2 Oct 23
S-8 POS
Registration of securities for employees (post-effective amendment)
2 Oct 23
S-8 POS
Registration of securities for employees (post-effective amendment)
2 Oct 23
S-8 POS
Registration of securities for employees (post-effective amendment)
2 Oct 23
Proxies
DEFA14A
Additional proxy soliciting materials
14 Mar 23
DEF 14A
Definitive proxy
14 Mar 23
DEFA14A
Additional proxy soliciting materials
7 Mar 22
DEF 14A
Definitive proxy
7 Mar 22
DEFA14A
Additional proxy soliciting materials
5 Mar 21
DEF 14A
Definitive proxy
5 Mar 21
DEFA14A
Additional proxy soliciting materials
31 Mar 20
DEFA14A
Additional proxy soliciting materials
6 Mar 20
DEF 14A
Definitive proxy
6 Mar 20
DEFA14A
Additional proxy soliciting materials
5 Apr 19
Other
UPLOAD
Letter from SEC
10 Jan 22
CORRESP
Correspondence with SEC
30 Dec 21
UPLOAD
Letter from SEC
15 Dec 21
CERT
Certification of approval for exchange listing
30 Sep 20
UPLOAD
Letter from SEC
15 May 18
CORRESP
Correspondence with SEC
2 May 18
UPLOAD
Letter from SEC
18 Apr 18
NO ACT
No action letter
8 Jan 16
UPLOAD
Letter from SEC
8 Sep 15
CORRESP
Correspondence with SEC
28 Aug 15
Ownership
SC 13G/A
VANGUARD GROUP INC
13 Feb 24
SC 13G/A
BlackRock Inc.
22 Jan 24
3
Bleau LaFave
16 Jun 23
4
Britt E Ide
17 May 23
144
Notice of proposed sale of securities
16 May 23
4
Sherina M. Edwards
11 May 23
3
Sherina M. Edwards
1 May 23
4
Shannon Heim
9 Mar 23
4
Crystal Dawn Lail
9 Mar 23
4
John D Hines
9 Mar 23