| SC 13G/A |
Open Document
|
Open Filing |
SCHEDULE 13G/A |
Feb 13, 2024 |
|
005-36015 |
| SC 13G/A |
Open Document
|
Open Filing |
|
Jan 22, 2024 |
|
005-36015 |
| 15-12G |
Open Document
|
Open Filing |
15-12G |
Dec 7, 2023 |
|
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Dec 6, 2023 |
Dec 6, 2023 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Dec 5, 2023 |
Nov 29, 2023 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Nov 13, 2023 |
Nov 12, 2023 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Oct 27, 2023 |
Oct 26, 2023 |
001-10499 |
| 10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Oct 27, 2023 |
Sep 30, 2023 |
001-10499 |
| POSASR |
Open Document
|
Open Filing |
POSASR |
Oct 2, 2023 |
|
333-253047 |
| POSASR |
Open Document
|
Open Filing |
POSASR |
Oct 2, 2023 |
|
333-257950 |
| S-8 POS |
Open Document
|
Open Filing |
S-8 POS |
Oct 2, 2023 |
|
333-175813 |
| S-8 POS |
Open Document
|
Open Filing |
S-8 POS |
Oct 2, 2023 |
|
333-149388 |
| S-8 POS |
Open Document
|
Open Filing |
S-8 POS |
Oct 2, 2023 |
|
333-124624 |
| S-8 POS |
Open Document
|
Open Filing |
S-8 POS |
Oct 2, 2023 |
|
333-122428 |
| S-8 POS |
Open Document
|
Open Filing |
S-8 POS |
Oct 2, 2023 |
|
033-56401 |
| S-8 POS |
Open Document
|
Open Filing |
S-8 POS |
Oct 2, 2023 |
|
333-11843 |
| S-8 POS |
Open Document
|
Open Filing |
S-8 POS |
Oct 2, 2023 |
|
333-18991 |
| S-8 POS |
Open Document
|
Open Filing |
S-8 POS |
Oct 2, 2023 |
|
333-80819 |
| S-8 POS |
Open Document
|
Open Filing |
S-8 POS |
Oct 2, 2023 |
|
333-80817 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Oct 2, 2023 |
Oct 2, 2023 |
001-10499 |
| 25-NSE |
Open Document
|
Open Filing |
|
Sep 29, 2023 |
|
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Sep 13, 2023 |
Sep 13, 2023 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Jul 25, 2023 |
Jul 24, 2023 |
001-10499 |
| 10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Jul 25, 2023 |
Jun 30, 2023 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Jul 6, 2023 |
Jun 29, 2023 |
001-10499 |
| 3 |
Open Document
|
Open Filing |
FORM 3 |
Jun 16, 2023 |
Jun 16, 2023 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Jun 15, 2023 |
Jun 15, 2023 |
001-10499 |
| 424B3 |
Open Document
|
Open Filing |
SUPPLEMENT TO PROSPECTUS SUPPLEMENT |
Jun 15, 2023 |
|
333-253047 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Jun 9, 2023 |
Jun 5, 2023 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Jun 8, 2023 |
Jun 8, 2023 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Jun 7, 2023 |
Jun 1, 2023 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
May 19, 2023 |
May 19, 2023 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 17, 2023 |
May 16, 2023 |
|
| 144 |
Open Document
|
Open Filing |
|
May 16, 2023 |
|
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 11, 2023 |
May 9, 2023 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
May 5, 2023 |
May 1, 2023 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
May 3, 2023 |
Apr 28, 2023 |
001-10499 |
| 3 |
Open Document
|
Open Filing |
FORM 3 |
May 1, 2023 |
Apr 28, 2023 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Apr 28, 2023 |
Apr 27, 2023 |
001-10499 |
| 10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Apr 28, 2023 |
Mar 31, 2023 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Apr 5, 2023 |
Apr 3, 2023 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Apr 5, 2023 |
Mar 30, 2023 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Mar 15, 2023 |
Mar 15, 2023 |
001-10499 |
| ARS |
Open Document
|
Open Filing |
ARS |
Mar 14, 2023 |
Mar 14, 2023 |
001-10499 |
| DEFA14A |
Open Document
|
Open Filing |
DEFA14A |
Mar 14, 2023 |
|
001-10499 |
| DEF 14A |
Open Document
| Data
|
Open Filing |
DEF 14A |
Mar 14, 2023 |
|
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 9, 2023 |
Mar 7, 2023 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 9, 2023 |
Mar 7, 2023 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 9, 2023 |
Mar 7, 2023 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 9, 2023 |
Mar 7, 2023 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 9, 2023 |
Mar 7, 2023 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 9, 2023 |
Mar 7, 2023 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 9, 2023 |
Mar 7, 2023 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 9, 2023 |
Mar 7, 2023 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 9, 2023 |
Mar 7, 2023 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 9, 2023 |
Mar 7, 2023 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 9, 2023 |
Mar 7, 2023 |
|
| SC 13G/A |
Open Document
|
Open Filing |
|
Mar 8, 2023 |
|
005-36015 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 7, 2023 |
Mar 3, 2023 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 7, 2023 |
Mar 3, 2023 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 7, 2023 |
Mar 3, 2023 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 7, 2023 |
Mar 3, 2023 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 7, 2023 |
Mar 3, 2023 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 7, 2023 |
Mar 3, 2023 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 7, 2023 |
Mar 3, 2023 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 7, 2023 |
Mar 3, 2023 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 7, 2023 |
Mar 6, 2023 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Feb 27, 2023 |
Feb 27, 2023 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 23, 2023 |
Feb 23, 2023 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Feb 23, 2023 |
Feb 17, 2023 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Feb 17, 2023 |
Feb 16, 2023 |
001-10499 |
| 10-K |
Open Document
| Data
|
Open Filing |
10-K |
Feb 17, 2023 |
Dec 31, 2022 |
001-10499 |
| SC 13G/A |
Open Document
|
Open Filing |
|
Feb 14, 2023 |
|
005-36015 |
| SC 13G/A |
Open Document
|
Open Filing |
SCHEDULE 13G/A |
Feb 9, 2023 |
|
005-36015 |
| SC 13G/A |
Open Document
|
Open Filing |
SC 13G/A |
Feb 8, 2023 |
|
005-36015 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 3, 2023 |
Feb 2, 2023 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 3, 2023 |
Feb 2, 2023 |
|
| SC 13G/A |
Open Document
|
Open Filing |
|
Jan 23, 2023 |
|
005-36015 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Jan 17, 2023 |
Jan 16, 2023 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 6, 2023 |
Jan 6, 2023 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 6, 2023 |
Jan 6, 2023 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 6, 2023 |
Jan 6, 2023 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 6, 2023 |
Jan 6, 2023 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 6, 2023 |
Jan 6, 2023 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 6, 2023 |
Jan 6, 2023 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Jan 5, 2023 |
Dec 21, 2022 |
001-10499 |
| 3 |
Open Document
|
Open Filing |
FORM 3 |
Jan 3, 2023 |
Jan 3, 2023 |
|
| 3 |
Open Document
|
Open Filing |
FORM 3 |
Jan 3, 2023 |
Jan 3, 2023 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Dec 19, 2022 |
Dec 13, 2022 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Dec 15, 2022 |
Dec 13, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Dec 15, 2022 |
Dec 13, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Dec 15, 2022 |
Dec 13, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Dec 15, 2022 |
Dec 13, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Dec 15, 2022 |
Dec 13, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Dec 15, 2022 |
Dec 13, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Dec 15, 2022 |
Dec 13, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Dec 15, 2022 |
Dec 13, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Dec 15, 2022 |
Dec 13, 2022 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Dec 7, 2022 |
Dec 7, 2022 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Dec 1, 2022 |
Nov 28, 2022 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Nov 14, 2022 |
Nov 14, 2022 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Nov 14, 2022 |
Nov 14, 2022 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Nov 4, 2022 |
Nov 3, 2022 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Nov 3, 2022 |
Oct 28, 2022 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Oct 28, 2022 |
Oct 28, 2022 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Oct 25, 2022 |
Oct 24, 2022 |
001-10499 |
| 10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Oct 25, 2022 |
Sep 30, 2022 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Sep 22, 2022 |
Sep 21, 2022 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Sep 22, 2022 |
Sep 22, 2022 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Sep 15, 2022 |
Sep 15, 2022 |
|
| 3 |
Open Document
|
Open Filing |
FORM 3 |
Sep 7, 2022 |
Aug 31, 2022 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Aug 31, 2022 |
Aug 31, 2022 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Aug 9, 2022 |
Aug 9, 2022 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Aug 9, 2022 |
Aug 8, 2022 |
001-10499 |
| 3 |
Open Document
|
Open Filing |
FORM 3 |
Aug 4, 2022 |
Jul 28, 2022 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Aug 1, 2022 |
Jul 28, 2022 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Jul 28, 2022 |
Jul 27, 2022 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Jul 28, 2022 |
Jul 27, 2022 |
001-10499 |
| 10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Jul 28, 2022 |
Jun 30, 2022 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K PARTIAL FORWARD SETTLEMENT JUNE 2022 |
Jun 28, 2022 |
Jun 24, 2022 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 15, 2022 |
Jun 15, 2022 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
May 23, 2022 |
May 18, 2022 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
May 17, 2022 |
May 17, 2022 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
May 5, 2022 |
Apr 29, 2022 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Apr 29, 2022 |
Apr 28, 2022 |
001-10499 |
| 10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Apr 29, 2022 |
Mar 31, 2022 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Mar 17, 2022 |
Mar 17, 2022 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 7, 2022 |
Mar 7, 2022 |
|
| DEFA14A |
Open Document
|
Open Filing |
DEFA14A 2022 ANNUAL MTG NOTICE |
Mar 7, 2022 |
|
001-10499 |
| DEF 14A |
Open Document
|
Open Filing |
DEF 14A |
Mar 7, 2022 |
Apr 29, 2022 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Mar 3, 2022 |
Mar 3, 2022 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 2, 2022 |
Feb 28, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 2, 2022 |
Feb 28, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 2, 2022 |
Feb 28, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 2, 2022 |
Feb 28, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 2, 2022 |
Feb 28, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 2, 2022 |
Feb 28, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 2, 2022 |
Feb 28, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 2, 2022 |
Feb 28, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 2, 2022 |
Feb 28, 2022 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Mar 2, 2022 |
Mar 2, 2022 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 28, 2022 |
Feb 25, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 25, 2022 |
Feb 24, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 25, 2022 |
Feb 24, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 25, 2022 |
Feb 24, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 25, 2022 |
Feb 24, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 25, 2022 |
Feb 24, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 25, 2022 |
Feb 24, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 25, 2022 |
Feb 24, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 25, 2022 |
Feb 24, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 23, 2022 |
Feb 23, 2022 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Feb 16, 2022 |
Feb 10, 2022 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 15, 2022 |
Feb 15, 2022 |
|
| SC 13G |
Open Document
|
Open Filing |
|
Feb 14, 2022 |
|
005-36015 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Feb 14, 2022 |
Feb 10, 2022 |
001-10499 |
| S-8 |
Open Document
|
Open Filing |
S-8 |
Feb 14, 2022 |
|
333-262705 |
| 10-K |
Open Document
| Data
|
Open Filing |
10-K |
Feb 11, 2022 |
Dec 31, 2021 |
001-10499 |
| SC 13G |
Open Document
|
Open Filing |
|
Feb 10, 2022 |
|
005-36015 |
| SC 13G/A |
Open Document
|
Open Filing |
SCHEDULE 13G/A |
Feb 9, 2022 |
|
005-36015 |
| SC 13G/A |
Open Document
|
Open Filing |
SC 13G/A |
Feb 4, 2022 |
|
005-36015 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 2, 2022 |
Feb 1, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 2, 2022 |
Feb 1, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 2, 2022 |
Feb 1, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 2, 2022 |
Feb 1, 2022 |
|
| SC 13G/A |
Open Document
|
Open Filing |
|
Jan 27, 2022 |
|
005-36015 |
| SC 13G |
Open Document
|
Open Filing |
|
Jan 25, 2022 |
|
005-36015 |
| UPLOAD |
Open Document
|
Open Filing |
|
Jan 10, 2022 |
|
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 5, 2022 |
Jan 3, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 5, 2022 |
Jan 3, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 5, 2022 |
Jan 3, 2022 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 5, 2022 |
Jan 3, 2022 |
|
| CORRESP |
Open Document
|
Open Filing |
|
Dec 30, 2021 |
|
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Dec 20, 2021 |
Dec 14, 2021 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Dec 16, 2021 |
Dec 15, 2021 |
|
| UPLOAD |
Open Document
|
Open Filing |
|
Dec 15, 2021 |
|
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Dec 8, 2021 |
Dec 8, 2021 |
001-10499 |
| SC 13G/A |
Open Document
|
Open Filing |
FILING NORTHWESTERN CORP |
Dec 7, 2021 |
|
005-36015 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Nov 19, 2021 |
Nov 15, 2021 |
001-10499 |
| 424B2 |
Open Document
|
Open Filing |
424B5 |
Nov 18, 2021 |
|
333-253047 |
| 424B5 |
Open Document
|
Open Filing |
424B5 |
Nov 15, 2021 |
|
333-253047 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Nov 8, 2021 |
Nov 8, 2021 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Oct 25, 2021 |
Oct 24, 2021 |
001-10499 |
| 10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Oct 25, 2021 |
Sep 30, 2021 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Sep 22, 2021 |
Sep 22, 2021 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Sep 16, 2021 |
Sep 15, 2021 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Sep 9, 2021 |
Sep 9, 2021 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Aug 25, 2021 |
Aug 23, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Aug 6, 2021 |
Aug 5, 2021 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Jul 28, 2021 |
Jul 27, 2021 |
001-10499 |
| 10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Jul 28, 2021 |
Jun 30, 2021 |
001-10499 |
| S-3ASR |
Open Document
|
Open Filing |
S-3ASR |
Jul 16, 2021 |
|
333-257950 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 22, 2021 |
Jun 22, 2021 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Jun 16, 2021 |
Jun 16, 2021 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 14, 2021 |
May 14, 2021 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
May 13, 2021 |
May 13, 2021 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 29, 2021 |
Apr 29, 2021 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Apr 28, 2021 |
Apr 28, 2021 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K ANNUAL MEETING VOTING RESULTS 2021 |
Apr 27, 2021 |
Apr 22, 2021 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 27, 2021 |
Apr 26, 2021 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
FORM 8-K |
Apr 23, 2021 |
Apr 23, 2021 |
001-10499 |
| 424B5 |
Open Document
|
Open Filing |
424B5 |
Apr 23, 2021 |
|
333-253047 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Apr 22, 2021 |
Apr 21, 2021 |
001-10499 |
| 10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Apr 22, 2021 |
Mar 31, 2021 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Apr 1, 2021 |
Mar 26, 2021 |
001-10499 |
| 424B5 |
Open Document
|
Open Filing |
424B5 |
Mar 22, 2021 |
|
333-253047 |
| FWP |
Open Document
|
Open Filing |
FWP |
Mar 19, 2021 |
|
333-253047 |
| 424B5 |
Open Document
|
Open Filing |
424B5 |
Mar 19, 2021 |
|
333-253047 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Mar 15, 2021 |
Mar 15, 2021 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 5, 2021 |
Mar 5, 2021 |
|
| DEFA14A |
Open Document
|
Open Filing |
DEFA14A |
Mar 5, 2021 |
|
001-10499 |
| DEF 14A |
Open Document
|
Open Filing |
DEF 14A |
Mar 5, 2021 |
Apr 22, 2021 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 2, 2021 |
Mar 1, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 2, 2021 |
Mar 1, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 2, 2021 |
Mar 1, 2021 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Mar 1, 2021 |
Mar 1, 2021 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 26, 2021 |
Feb 24, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 26, 2021 |
Feb 24, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 26, 2021 |
Feb 24, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 26, 2021 |
Feb 24, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 26, 2021 |
Feb 24, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 26, 2021 |
Feb 24, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 26, 2021 |
Feb 24, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 26, 2021 |
Feb 24, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 26, 2021 |
Feb 24, 2021 |
|
| 3 |
Open Document
|
Open Filing |
FORM 3 |
Feb 24, 2021 |
Feb 15, 2021 |
|
| 3 |
Open Document
|
Open Filing |
FORM 3 |
Feb 24, 2021 |
Feb 15, 2021 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Feb 17, 2021 |
Feb 11, 2021 |
001-10499 |
| S-3ASR |
Open Document
|
Open Filing |
S-3ASR 2021 |
Feb 12, 2021 |
|
333-253047 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Feb 12, 2021 |
Feb 11, 2021 |
001-10499 |
| 10-K |
Open Document
| Data
|
Open Filing |
10-K |
Feb 12, 2021 |
Dec 31, 2020 |
001-10499 |
| SC 13G |
Open Document
|
Open Filing |
SC 13G |
Feb 11, 2021 |
|
005-36015 |
| SC 13G/A |
Open Document
|
Open Filing |
SCHEDULE 13G/A |
Feb 10, 2021 |
|
005-36015 |
| SC 13G/A |
Open Document
|
Open Filing |
SCHEDULE 13G/A |
Feb 10, 2021 |
|
005-36015 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Feb 10, 2021 |
Feb 5, 2021 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 2, 2021 |
Feb 1, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 2, 2021 |
Feb 1, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 2, 2021 |
Feb 1, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 2, 2021 |
Feb 1, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 2, 2021 |
Feb 1, 2021 |
|
| SC 13G/A |
Open Document
|
Open Filing |
|
Jan 26, 2021 |
|
005-36015 |
| SC 13G |
Open Document
|
Open Filing |
FILING NORTHWESTERN CORP |
Jan 15, 2021 |
|
005-36015 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 5, 2021 |
Jan 4, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 5, 2021 |
Jan 4, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 5, 2021 |
Jan 4, 2021 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 5, 2021 |
Jan 4, 2021 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Dec 30, 2020 |
Dec 22, 2020 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Dec 16, 2020 |
Dec 15, 2020 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Dec 7, 2020 |
Dec 7, 2020 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Dec 1, 2020 |
Dec 1, 2020 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Nov 9, 2020 |
Nov 9, 2020 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K COLSTRIP TERMINATION |
Oct 30, 2020 |
Oct 29, 2020 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Oct 27, 2020 |
Oct 27, 2020 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K EARNINGS RELEASE Q3 2020 |
Oct 22, 2020 |
Oct 21, 2020 |
001-10499 |
| 10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Oct 22, 2020 |
Sep 30, 2020 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Oct 16, 2020 |
Oct 15, 2020 |
|
| CERT |
Open Document
|
Open Filing |
|
Sep 30, 2020 |
|
001-31229-01 |
| 25 |
Open Document
|
Open Filing |
25 |
Sep 30, 2020 |
|
001-31229-01 |
| 8-A12B |
Open Document
|
Open Filing |
8-A12B |
Sep 30, 2020 |
|
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Sep 24, 2020 |
Sep 24, 2020 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Sep 18, 2020 |
Sep 18, 2020 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Sep 10, 2020 |
Sep 10, 2020 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Sep 4, 2020 |
Sep 2, 2020 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Sep 3, 2020 |
Sep 3, 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Sep 2, 2020 |
Sep 2, 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Aug 18, 2020 |
Aug 17, 2020 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Aug 12, 2020 |
Aug 12, 2020 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Aug 7, 2020 |
Aug 6, 2020 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Jul 29, 2020 |
Jul 28, 2020 |
001-10499 |
| 10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Jul 29, 2020 |
Jun 30, 2020 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Jun 16, 2020 |
Jun 16, 2020 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
May 20, 2020 |
May 15, 2020 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
May 14, 2020 |
May 14, 2020 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 8, 2020 |
May 6, 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 7, 2020 |
May 6, 2020 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Apr 29, 2020 |
Apr 23, 2020 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Apr 23, 2020 |
Apr 22, 2020 |
001-10499 |
| 10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Apr 23, 2020 |
Mar 31, 2020 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Apr 7, 2020 |
Apr 6, 2020 |
001-10499 |
| DEFA14A |
Open Document
|
Open Filing |
DEFA14A 2020 VIRTUAL MEETING NOTICE |
Mar 31, 2020 |
|
001-10499 |
| DEFA14A |
Open Document
|
Open Filing |
DEFA14A 2020 ANNUAL MTG NOTICE |
Mar 6, 2020 |
|
001-10499 |
| DEF 14A |
Open Document
|
Open Filing |
DEF 14A 2020 PROXY STATEMENT |
Mar 6, 2020 |
Apr 23, 2020 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 6, 2020 |
Mar 6, 2020 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Mar 3, 2020 |
Mar 3, 2020 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 27, 2020 |
Feb 27, 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 26, 2020 |
Feb 24, 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 26, 2020 |
Feb 24, 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 26, 2020 |
Feb 24, 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 26, 2020 |
Feb 24, 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 26, 2020 |
Feb 24, 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 26, 2020 |
Feb 24, 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 26, 2020 |
Feb 24, 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 26, 2020 |
Feb 26, 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 25, 2020 |
Feb 21, 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 25, 2020 |
Feb 24, 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 24, 2020 |
Feb 24, 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 19, 2020 |
Feb 18, 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 19, 2020 |
Feb 18, 2020 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Feb 13, 2020 |
Feb 13, 2020 |
001-10499 |
| 10-K |
Open Document
| Data
|
Open Filing |
10-K |
Feb 13, 2020 |
Dec 31, 2019 |
001-10499 |
| SC 13G/A |
Open Document
|
Open Filing |
SCHEDULE 13G/A |
Feb 12, 2020 |
|
005-36015 |
| SC 13G/A |
Open Document
|
Open Filing |
SC 13G/A |
Feb 11, 2020 |
|
005-36015 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 4, 2020 |
Feb 3, 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 4, 2020 |
Feb 3, 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 4, 2020 |
Feb 3, 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 4, 2020 |
Feb 3, 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 4, 2020 |
Feb 3, 2020 |
|
| SC 13G/A |
Open Document
|
Open Filing |
|
Feb 4, 2020 |
|
005-36015 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 3, 2020 |
Jan 2, 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 3, 2020 |
Jan 2, 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 3, 2020 |
Jan 2, 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 3, 2020 |
Jan 2, 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 3, 2020 |
Jan 2, 2020 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 3, 2020 |
Jan 2, 2020 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Dec 23, 2019 |
Dec 23, 2019 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Dec 18, 2019 |
Dec 17, 2019 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Dec 13, 2019 |
Dec 13, 2019 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Dec 10, 2019 |
Dec 10, 2019 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Dec 9, 2019 |
Dec 6, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Dec 3, 2019 |
Nov 29, 2019 |
|
| 3 |
Open Document
|
Open Filing |
FORM 3 |
Dec 3, 2019 |
Dec 3, 2019 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Nov 8, 2019 |
Nov 8, 2019 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Nov 6, 2019 |
Nov 6, 2019 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Nov 1, 2019 |
Nov 1, 2019 |
001-10499 |
| 3 |
Open Document
|
Open Filing |
FORM 3 |
Oct 31, 2019 |
Oct 31, 2019 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Oct 30, 2019 |
Oct 30, 2019 |
001-10499 |
| 10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Oct 30, 2019 |
Sep 30, 2019 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Oct 2, 2019 |
Oct 2, 2019 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Sep 20, 2019 |
Sep 20, 2019 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Sep 4, 2019 |
Sep 4, 2019 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Aug 8, 2019 |
Aug 6, 2019 |
|
| 144 |
Open Document
|
Open Filing |
144 ROWE 2019 AUG 05 |
Aug 5, 2019 |
|
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Aug 1, 2019 |
Aug 1, 2019 |
|
| 144 |
Open Document
|
Open Filing |
144 SCHROEPPEL JULY 2019 |
Jul 31, 2019 |
|
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 29, 2019 |
Jul 26, 2019 |
|
| 144 |
Open Document
|
Open Filing |
144 GRAHAME JULY 2019 |
Jul 25, 2019 |
|
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K |
Jul 24, 2019 |
Jul 24, 2019 |
001-10499 |
| 10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Jul 24, 2019 |
Jun 30, 2019 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K MT FIRST MORTGAGE BONDS 2019 |
Jul 2, 2019 |
Jun 26, 2019 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 13, 2019 |
Jun 13, 2019 |
|
| 144 |
Open Document
|
Open Filing |
144 ROWE JUNE 2019 |
Jun 13, 2019 |
|
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K 2019 AGA FINANCIAL FORUM |
May 21, 2019 |
May 21, 2019 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K 2019 ANNUAL MEETING VOTING RESULTS |
Apr 30, 2019 |
Apr 24, 2019 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K |
Apr 24, 2019 |
Apr 23, 2019 |
001-10499 |
| 10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Apr 24, 2019 |
Mar 31, 2019 |
001-10499 |
| DEFA14A |
Open Document
|
Open Filing |
DEFA14A ADDITIONAL MATERIALS 2019 |
Apr 5, 2019 |
|
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K WEST COAST UTILITIES 2019 |
Mar 20, 2019 |
Mar 20, 2019 |
001-10499 |
| DEFA14A |
Open Document
|
Open Filing |
DEFA14A 2019 ANNUAL MEETING NOTICE |
Mar 7, 2019 |
|
001-10499 |
| DEF 14A |
Open Document
|
Open Filing |
DEF 14A 2019 PROXY STATEMENT |
Mar 7, 2019 |
Apr 24, 2019 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K NEW YORK BOSTON PRESENTATION |
Mar 5, 2019 |
Mar 5, 2019 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 28, 2019 |
Feb 27, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 27, 2019 |
Feb 25, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 27, 2019 |
Feb 25, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 27, 2019 |
Feb 25, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 27, 2019 |
Feb 25, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 27, 2019 |
Feb 25, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 27, 2019 |
Feb 25, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 27, 2019 |
Feb 25, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 27, 2019 |
Feb 25, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 25, 2019 |
Feb 25, 2019 |
|
| 144 |
Open Document
|
Open Filing |
144 HORSFALL FEB 22 2019 |
Feb 22, 2019 |
|
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 19, 2019 |
Feb 19, 2019 |
|
| 8-K |
Open Document
|
Open Filing |
8-K 2019 LTIP AWARDS |
Feb 15, 2019 |
Feb 11, 2019 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K |
Feb 12, 2019 |
Feb 11, 2019 |
001-10499 |
| 10-K |
Open Document
| Data
|
Open Filing |
FORM 10-K 2018 |
Feb 12, 2019 |
Dec 31, 2018 |
001-10499 |
| SC 13G/A |
Open Document
|
Open Filing |
|
Feb 11, 2019 |
|
005-36015 |
| SC 13G |
Open Document
|
Open Filing |
SC 13G |
Feb 11, 2019 |
|
005-36015 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 4, 2019 |
Feb 1, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 4, 2019 |
Feb 1, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 4, 2019 |
Feb 1, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 4, 2019 |
Feb 1, 2019 |
|
| SC 13G/A |
Open Document
|
Open Filing |
|
Jan 31, 2019 |
|
005-36015 |
| SC 13G/A |
Open Document
|
Open Filing |
NONE |
Jan 7, 2019 |
|
005-36015 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 3, 2019 |
Jan 2, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 3, 2019 |
Jan 2, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 3, 2019 |
Jan 2, 2019 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 3, 2019 |
Jan 2, 2019 |
|
| 8-K |
Open Document
|
Open Filing |
8-K 2019 ANNUAL INCENTIVE AND 2018 ERRP GRANTS |
Dec 19, 2018 |
Dec 13, 2018 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K 2018 WELLS FARGO |
Dec 4, 2018 |
Dec 4, 2018 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Nov 16, 2018 |
Nov 16, 2018 |
|
| 144 |
Open Document
|
Open Filing |
144 GRAHAME NOV 2018 |
Nov 15, 2018 |
|
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Nov 13, 2018 |
Nov 8, 2018 |
|
| SC 13G/A |
Open Document
|
Open Filing |
|
Nov 13, 2018 |
|
005-36015 |
| 8-K |
Open Document
|
Open Filing |
8-K |
Nov 9, 2018 |
Nov 9, 2018 |
001-10499 |
| 144 |
Open Document
|
Open Filing |
144 HORSFALL NOV 6 2018 |
Nov 6, 2018 |
|
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Oct 30, 2018 |
Oct 29, 2018 |
|
| 8-K |
Open Document
|
Open Filing |
8-K |
Oct 24, 2018 |
Oct 24, 2018 |
001-10499 |
| 10-Q |
Open Document
| Data
|
Open Filing |
FORM 10-Q SEPTEMBER 30, 2018 |
Oct 24, 2018 |
Sep 30, 2018 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K BAML TX POWER CONFERENCE |
Sep 27, 2018 |
Sep 27, 2018 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K FALL INVESTOR MEETINGS 2018 |
Sep 12, 2018 |
Sep 12, 2018 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K BARCLAYS POWER CONF 2018 |
Sep 4, 2018 |
Sep 4, 2018 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 27, 2018 |
Jul 27, 2018 |
|
| 4/A |
Open Document
|
Open Filing |
FORM 4/A |
Jul 25, 2018 |
Jul 24, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 25, 2018 |
Jul 24, 2018 |
|
| 8-K |
Open Document
|
Open Filing |
8-K OHIO PRESENTATION 2018 |
Jul 23, 2018 |
Jul 23, 2018 |
001-10499 |
| S-3ASR |
Open Document
|
Open Filing |
S-3ASR DRIP REG STMT 2018 |
Jul 20, 2018 |
|
333-226253 |
| 8-K |
Open Document
|
Open Filing |
8-K EARNINGS RELEASE Q2 2018 |
Jul 20, 2018 |
Jul 19, 2018 |
001-10499 |
| 10-Q |
Open Document
| Data
|
Open Filing |
FORM 10-Q 6.30.18 |
Jul 20, 2018 |
Jun 30, 2018 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K 2018 AGA FINANCIAL CONFERENCE |
May 18, 2018 |
May 18, 2018 |
001-10499 |
| UPLOAD |
Open Document
|
Open Filing |
|
May 15, 2018 |
|
|
| CORRESP |
Open Document
|
Open Filing |
|
May 2, 2018 |
|
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 2, 2018 |
Apr 30, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 2, 2018 |
May 1, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 2, 2018 |
May 1, 2018 |
|
| 8-K |
Open Document
|
Open Filing |
8-K ANNUAL MEETING VOTING RESULTS |
Apr 30, 2018 |
Apr 25, 2018 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K EARNINGS RELEASE Q1 2018 |
Apr 25, 2018 |
Apr 24, 2018 |
001-10499 |
| 10-Q |
Open Document
| Data
|
Open Filing |
FORM 10-Q 3.31.18 |
Apr 25, 2018 |
Mar 31, 2018 |
001-10499 |
| UPLOAD |
Open Document
|
Open Filing |
|
Apr 18, 2018 |
|
|
| 8-K |
Open Document
|
Open Filing |
8-K WEST COAST UTILITIES 2018 |
Mar 21, 2018 |
Mar 21, 2018 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 12, 2018 |
Mar 8, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 12, 2018 |
Mar 8, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 12, 2018 |
Mar 8, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 12, 2018 |
Mar 8, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 12, 2018 |
Mar 8, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 12, 2018 |
Mar 8, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 12, 2018 |
Mar 8, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 12, 2018 |
Mar 8, 2018 |
|
| DEFA14A |
Open Document
|
Open Filing |
DEFA14A 2018 ANNUAL MEETING NOTICE |
Mar 7, 2018 |
|
001-10499 |
| DEF 14A |
Open Document
|
Open Filing |
DEF 14A 2018 PROXY STATEMENT |
Mar 7, 2018 |
Apr 25, 2018 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 2, 2018 |
Mar 2, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 1, 2018 |
Feb 28, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 28, 2018 |
Feb 27, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 28, 2018 |
Feb 27, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 28, 2018 |
Feb 27, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 28, 2018 |
Feb 27, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 28, 2018 |
Feb 27, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 28, 2018 |
Feb 27, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 28, 2018 |
Feb 27, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 28, 2018 |
Feb 27, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 26, 2018 |
Feb 22, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 26, 2018 |
Feb 22, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 26, 2018 |
Feb 22, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 26, 2018 |
Feb 22, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 26, 2018 |
Feb 22, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 26, 2018 |
Feb 22, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 26, 2018 |
Feb 22, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 26, 2018 |
Feb 22, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 16, 2018 |
Feb 15, 2018 |
|
| 8-K |
Open Document
|
Open Filing |
8-K 2018 LTIP AWARDS |
Feb 16, 2018 |
Feb 12, 2018 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K |
Feb 15, 2018 |
Feb 15, 2018 |
001-10499 |
| 424B5 |
Open Document
|
Open Filing |
424B5 |
Feb 15, 2018 |
|
333-223019 |
| 8-K |
Open Document
|
Open Filing |
8-K DRAPER RESIGNATION |
Feb 15, 2018 |
Feb 12, 2018 |
001-10499 |
| S-3ASR |
Open Document
|
Open Filing |
S-3ASR 2018 |
Feb 13, 2018 |
|
333-223019 |
| 8-K |
Open Document
|
Open Filing |
8-K Q4 2017 EARNINGS |
Feb 13, 2018 |
Feb 12, 2018 |
001-10499 |
| 10-K |
Open Document
| Data
|
Open Filing |
FORM 10-K 2017 |
Feb 13, 2018 |
Dec 31, 2017 |
001-10499 |
| SC 13G/A |
Open Document
|
Open Filing |
|
Feb 9, 2018 |
|
005-36015 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 5, 2018 |
Feb 2, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 5, 2018 |
Feb 2, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 5, 2018 |
Feb 2, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 5, 2018 |
Feb 2, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 5, 2018 |
Feb 2, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 5, 2018 |
Feb 2, 2018 |
|
| SC 13G/A |
Open Document
|
Open Filing |
|
Jan 19, 2018 |
|
005-36015 |
| SC 13G |
Open Document
|
Open Filing |
NONE |
Jan 10, 2018 |
|
005-36015 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 4, 2018 |
Jan 3, 2018 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 4, 2018 |
Jan 3, 2018 |
|
| 8-K |
Open Document
|
Open Filing |
8-K 2017 DEC NY PRESENTATION |
Dec 4, 2017 |
Dec 4, 2017 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Dec 1, 2017 |
Dec 1, 2017 |
|
| 8-K |
Open Document
|
Open Filing |
8-K MONTANA FMB NOV 2017 |
Nov 8, 2017 |
Nov 6, 2017 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Nov 6, 2017 |
Nov 6, 2017 |
|
| 8-K |
Open Document
|
Open Filing |
8-K 2017 EEI FINANCIAL |
Nov 3, 2017 |
Nov 3, 2017 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Nov 3, 2017 |
Nov 1, 2017 |
|
| 8-K |
Open Document
|
Open Filing |
8-K EARNINGS RELEASE Q3 2017 |
Nov 2, 2017 |
Nov 2, 2017 |
001-10499 |
| 10-Q |
Open Document
| Data
|
Open Filing |
FORM 10-Q SEPTEMBER 30, 2017 |
Nov 2, 2017 |
Sep 30, 2017 |
001-10499 |
| 144 |
Open Document
|
Open Filing |
ROWE FORM 144 OCTOBER 16 2017 |
Oct 16, 2017 |
|
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K |
Sep 6, 2017 |
Sep 6, 2017 |
001-10499 |
| 424B5 |
Open Document
|
Open Filing |
424B5 |
Sep 6, 2017 |
|
333-202126 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Sep 5, 2017 |
Sep 1, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Aug 25, 2017 |
Aug 24, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Aug 2, 2017 |
Aug 1, 2017 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K 2017 Q2 EARNINGS |
Jul 26, 2017 |
Jul 25, 2017 |
001-10499 |
| 10-Q |
Open Document
| Data
|
Open Filing |
FORM 10-Q JUNE 30, 2017 |
Jul 26, 2017 |
Jun 30, 2017 |
001-10499 |
| 4/A |
Open Document
|
Open Filing |
FORM 4/A |
Jun 8, 2017 |
Jun 5, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 6, 2017 |
Jun 5, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 30, 2017 |
May 26, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 30, 2017 |
May 26, 2017 |
|
| 8-K |
Open Document
|
Open Filing |
8-K 2017 MIDWEST AND AGA FINANCIAL FORUM |
May 17, 2017 |
May 17, 2017 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 15, 2017 |
May 15, 2017 |
|
| 144 |
Open Document
|
Open Filing |
144 ROWE MAY 11 2017 |
May 11, 2017 |
|
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 4, 2017 |
May 3, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 3, 2017 |
May 1, 2017 |
|
| 8-K |
Open Document
|
Open Filing |
8-K 2017 ANNUAL MEETING VOTING RESULTS |
May 2, 2017 |
Apr 27, 2017 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 2, 2017 |
May 1, 2017 |
|
| 3 |
Open Document
|
Open Filing |
FORM 3 |
Apr 28, 2017 |
Apr 28, 2017 |
|
| 3 |
Open Document
|
Open Filing |
FORM 3 |
Apr 28, 2017 |
Apr 28, 2017 |
|
| 8-K |
Open Document
|
Open Filing |
8-K Q1 2017 EARNINGS |
Apr 27, 2017 |
Apr 27, 2017 |
001-10499 |
| 10-Q |
Open Document
| Data
|
Open Filing |
FORM 10-Q MARCH 31, 2017 |
Apr 27, 2017 |
Mar 31, 2017 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K WEST COAST UTILITIES 2017 |
Mar 22, 2017 |
Mar 22, 2017 |
001-10499 |
| DEFA14A |
Open Document
|
Open Filing |
DEFA14A 2017 ANNUAL MEETING NOTICE |
Mar 16, 2017 |
|
001-10499 |
| DEF 14A |
Open Document
|
Open Filing |
DEF 14A 2017 PROXY STATEMENT |
Mar 16, 2017 |
Mar 16, 2017 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 10, 2017 |
Mar 10, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 8, 2017 |
Mar 8, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 7, 2017 |
Mar 6, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 7, 2017 |
Mar 7, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 6, 2017 |
Mar 3, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 3, 2017 |
Mar 1, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 3, 2017 |
Mar 1, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 3, 2017 |
Mar 1, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 3, 2017 |
Mar 1, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 3, 2017 |
Mar 1, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 3, 2017 |
Mar 1, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 3, 2017 |
Mar 1, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 3, 2017 |
Mar 1, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 3, 2017 |
Mar 1, 2017 |
|
| SC 13G/A |
Open Document
|
Open Filing |
|
Mar 2, 2017 |
|
005-36015 |
| 8-K |
Open Document
|
Open Filing |
8-K 2017 UBS UTILITIES |
Feb 28, 2017 |
Feb 28, 2017 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K BRADLEY RESIGNATION |
Feb 27, 2017 |
Feb 22, 2017 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K 2017 LTIP AWARDS |
Feb 23, 2017 |
Feb 16, 2017 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K Q4 2016 EARNINGS |
Feb 17, 2017 |
Feb 16, 2017 |
001-10499 |
| 10-K |
Open Document
| Data
|
Open Filing |
FORM 10-K 12.31.16 |
Feb 17, 2017 |
Dec 31, 2016 |
001-10499 |
| SC 13G/A |
Open Document
|
Open Filing |
|
Feb 13, 2017 |
|
005-36015 |
| SC 13G/A |
Open Document
|
Open Filing |
|
Feb 10, 2017 |
|
005-36015 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 3, 2017 |
Feb 2, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 3, 2017 |
Feb 2, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 3, 2017 |
Feb 2, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 3, 2017 |
Feb 2, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 3, 2017 |
Feb 2, 2017 |
|
| SC 13G/A |
Open Document
|
Open Filing |
|
Jan 17, 2017 |
|
005-36015 |
| 4/A |
Open Document
|
Open Filing |
FORM 4/A |
Jan 10, 2017 |
Jan 3, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 10, 2017 |
Jan 9, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 5, 2017 |
Jan 3, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 5, 2017 |
Jan 3, 2017 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 4, 2017 |
Jan 3, 2017 |
|
| 8-K |
Open Document
|
Open Filing |
8-K THIRD AMENDED CREDIT AGREEMENT |
Dec 16, 2016 |
Dec 12, 2016 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K 2016 ERRP AND 2017 ANNUAL INCENTIVE PLAN |
Dec 13, 2016 |
Dec 7, 2016 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K 2016 12 12 EAST COAST INVESTOR MEETINGS |
Dec 12, 2016 |
Dec 12, 2016 |
001-10499 |
| 3 |
Open Document
|
Open Filing |
FORM 3 |
Dec 9, 2016 |
Dec 9, 2016 |
|
| 8-K |
Open Document
|
Open Filing |
8-K TONY CLARK DIRECTOR |
Dec 8, 2016 |
Dec 6, 2016 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Nov 28, 2016 |
Nov 28, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Nov 21, 2016 |
Nov 21, 2016 |
|
| 8-K |
Open Document
|
Open Filing |
8-K 2016 EEI FINANCIAL CONFERENCE |
Nov 4, 2016 |
Nov 4, 2016 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Nov 2, 2016 |
Nov 1, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Nov 2, 2016 |
Nov 1, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Nov 2, 2016 |
Nov 1, 2016 |
|
| 8-K |
Open Document
|
Open Filing |
8-K KEY EMPLOYEE SEVERANCE PLAN 2016 |
Oct 25, 2016 |
Oct 19, 2016 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K 2016 WEST COAST PRESENTATION |
Oct 24, 2016 |
Oct 24, 2016 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K Q3 2016 EARNINGS |
Oct 20, 2016 |
Oct 20, 2016 |
001-10499 |
| 10-Q |
Open Document
| Data
|
Open Filing |
FORM 10-Q SEPTEMBER 30, 2016 |
Oct 20, 2016 |
Sep 30, 2016 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K 2016 09 30 SD FMB |
Oct 7, 2016 |
Sep 30, 2016 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Sep 20, 2016 |
Sep 19, 2016 |
|
| 144 |
Open Document
|
Open Filing |
144 ROWE SEPT 19 2016 |
Sep 19, 2016 |
|
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K 2016 09 08 NY INVESTORS |
Sep 8, 2016 |
Sep 8, 2016 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K 2016 POLLUTION CONTROL BONDS |
Aug 16, 2016 |
Aug 11, 2016 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Aug 4, 2016 |
Aug 2, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Aug 2, 2016 |
Aug 1, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Aug 2, 2016 |
Aug 1, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Aug 2, 2016 |
Aug 1, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 29, 2016 |
Jul 27, 2016 |
|
| 8-K |
Open Document
|
Open Filing |
8-K 2016 Q2 EARNINGS RELEASE |
Jul 22, 2016 |
Jul 22, 2016 |
001-10499 |
| 10-Q |
Open Document
| Data
|
Open Filing |
FORM 10-Q JUNE 30, 2016 |
Jul 22, 2016 |
Jun 30, 2016 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K SD FMB |
Jun 22, 2016 |
Jun 15, 2016 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 10, 2016 |
Jun 9, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 8, 2016 |
Jun 7, 2016 |
|
| 144 |
Open Document
|
Open Filing |
144 ROWE JUNE 6 2016 |
Jun 6, 2016 |
|
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 20, 2016 |
May 19, 2016 |
|
| 8-K |
Open Document
|
Open Filing |
8-K 2016 AMENDMENT OF ARTICLES AND BYLAWS |
May 18, 2016 |
May 12, 2016 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K 2016 AGA FINANCIAL FORUM |
May 13, 2016 |
May 13, 2016 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 3, 2016 |
May 2, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 3, 2016 |
May 2, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 3, 2016 |
May 2, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 3, 2016 |
May 2, 2016 |
|
| 8-K |
Open Document
| Data
|
Open Filing |
8-K SD INVEST SOC PRESENTATION |
Apr 28, 2016 |
Apr 28, 2016 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 27, 2016 |
Apr 26, 2016 |
|
| 144 |
Open Document
|
Open Filing |
144 HORSFALL APR 26 2016 |
Apr 26, 2016 |
|
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K 2016 ANNUAL MEETING RESULTS |
Apr 26, 2016 |
Apr 20, 2016 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K 2016 04 25 NY AND MIDW MTGS |
Apr 25, 2016 |
Apr 25, 2016 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K EARNINGS RELEASE Q1 2016 |
Apr 20, 2016 |
Apr 20, 2016 |
001-10499 |
| 10-Q |
Open Document
| Data
|
Open Filing |
FORM 10-Q 3.31.16 |
Apr 20, 2016 |
Mar 31, 2016 |
001-10499 |
| 8-K |
Open Document
| Data
|
Open Filing |
8-K 2016 WILLIAMS WEST COAST UTILITY |
Mar 16, 2016 |
Mar 16, 2016 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 14, 2016 |
Mar 14, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 14, 2016 |
Mar 14, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 11, 2016 |
Mar 10, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 7, 2016 |
Mar 4, 2016 |
|
| DEFA14A |
Open Document
|
Open Filing |
DEFA14A 2016 ANNUAL MTG NOTICE |
Mar 7, 2016 |
|
001-10499 |
| DEF 14A |
Open Document
|
Open Filing |
DEF 14A 2016 PROXY STATEMENT |
Mar 7, 2016 |
Apr 20, 2016 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 2, 2016 |
Mar 1, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 2, 2016 |
Mar 1, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 2, 2016 |
Mar 1, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 2, 2016 |
Mar 1, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 2, 2016 |
Mar 1, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 2, 2016 |
Mar 1, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 2, 2016 |
Mar 1, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 2, 2016 |
Mar 1, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 2, 2016 |
Mar 1, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 2, 2016 |
Mar 1, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 2, 2016 |
Mar 1, 2016 |
|
| 8-K |
Open Document
|
Open Filing |
8-K 2016 UBS UTILITIES CONFERENCE |
Mar 1, 2016 |
Mar 1, 2016 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 16, 2016 |
Feb 16, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 16, 2016 |
Feb 16, 2016 |
|
| 8-K |
Open Document
|
Open Filing |
8-K 2016 ANNUAL AND LONG-TERM INCENTIVE |
Feb 16, 2016 |
Feb 10, 2016 |
001-10499 |
| SC 13G/A |
Open Document
|
Open Filing |
|
Feb 16, 2016 |
|
005-36015 |
| PRE 14A |
Open Document
|
Open Filing |
DEF 14A PRELIMINARY PROXY STATEMENT |
Feb 12, 2016 |
Apr 20, 2016 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K 2015 FINANCIAL RESULTS |
Feb 11, 2016 |
Feb 11, 2016 |
001-10499 |
| SC 13G/A |
Open Document
|
Open Filing |
|
Feb 11, 2016 |
|
005-36015 |
| 10-K |
Open Document
| Data
|
Open Filing |
10-K |
Feb 11, 2016 |
Dec 31, 2015 |
001-10499 |
| SC 13G/A |
Open Document
|
Open Filing |
NWE AS OF 12/31/2015 |
Feb 9, 2016 |
|
005-36015 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 2, 2016 |
Feb 2, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 2, 2016 |
Feb 2, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 2, 2016 |
Feb 2, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 2, 2016 |
Feb 2, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 2, 2016 |
Feb 2, 2016 |
|
| 8-K |
Open Document
|
Open Filing |
8-K |
Jan 29, 2016 |
Jan 29, 2016 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K PEOPLES RETIREMENT |
Jan 20, 2016 |
Jan 14, 2016 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 11, 2016 |
Jan 7, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 11, 2016 |
Jan 7, 2016 |
|
| NO ACT |
Open Document
|
Open Filing |
AUTO-GENERATED PAPER DOCUMENT |
Jan 8, 2016 |
Dec 11, 2015 |
001-10499 |
| SC 13G/A |
Open Document
|
Open Filing |
|
Jan 8, 2016 |
|
005-36015 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 6, 2016 |
Jan 4, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 6, 2016 |
Jan 4, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 6, 2016 |
Jan 4, 2016 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Dec 1, 2015 |
Dec 1, 2015 |
|
| 8-K |
Open Document
|
Open Filing |
8-K 50TH EEI FINANCIAL CONFERENCE PRESENTATION |
Nov 9, 2015 |
Nov 9, 2015 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Nov 3, 2015 |
Nov 1, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Nov 3, 2015 |
Nov 1, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Nov 3, 2015 |
Nov 1, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Nov 3, 2015 |
Nov 1, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Nov 3, 2015 |
Nov 1, 2015 |
|
| 3 |
Open Document
|
Open Filing |
FORM 3 |
Oct 26, 2015 |
Oct 26, 2015 |
|
| 8-K |
Open Document
|
Open Filing |
8-K LAIL APPOINTMENT |
Oct 22, 2015 |
Oct 21, 2015 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K 2015 3RD Q FINANCIAL RESULTS |
Oct 22, 2015 |
Oct 21, 2015 |
001-10499 |
| 10-Q |
Open Document
| Data
|
Open Filing |
FORM 10-Q SEPTEMBER 30, 2015 |
Oct 22, 2015 |
Sep 30, 2015 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K KLIEWER DEPARTURE |
Oct 16, 2015 |
Oct 13, 2015 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K SD FMBS AND UA |
Oct 5, 2015 |
Sep 29, 2015 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Oct 1, 2015 |
Oct 1, 2015 |
|
| 424B2 |
Open Document
|
Open Filing |
424B2 |
Sep 30, 2015 |
|
333-202126 |
| 424B2 |
Open Document
|
Open Filing |
424B2 |
Sep 29, 2015 |
|
333-202126 |
| 8-K |
Open Document
|
Open Filing |
8-K SD RATE CASE AND BEETHOVEN |
Sep 25, 2015 |
Sep 25, 2015 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K 2015 NORTHEAST PRESENTATION |
Sep 15, 2015 |
Sep 15, 2015 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K LRAM INFORMATION |
Sep 11, 2015 |
Sep 8, 2015 |
001-10499 |
| UPLOAD |
Open Document
|
Open Filing |
|
Sep 8, 2015 |
|
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Sep 2, 2015 |
Sep 1, 2015 |
|
| CORRESP |
Open Document
|
Open Filing |
|
Aug 28, 2015 |
|
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Aug 20, 2015 |
Aug 18, 2015 |
|
| UPLOAD |
Open Document
|
Open Filing |
|
Aug 14, 2015 |
|
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Aug 11, 2015 |
Aug 7, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Aug 5, 2015 |
Aug 4, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Aug 4, 2015 |
Aug 3, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Aug 4, 2015 |
Aug 3, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Aug 4, 2015 |
Aug 3, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Aug 4, 2015 |
Aug 3, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Aug 4, 2015 |
Aug 3, 2015 |
|
| 8-K |
Open Document
|
Open Filing |
8-K 2015 UBS TORONTO PRESENTATION |
Jul 28, 2015 |
Jul 28, 2015 |
001-10499 |
| S-3ASR |
Open Document
|
Open Filing |
S-3ASR |
Jul 24, 2015 |
|
333-205834 |
| 8-K |
Open Document
|
Open Filing |
8-K BEETHOVEN ACQUISITION |
Jul 23, 2015 |
Jul 22, 2015 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K 2015 2ND Q FINANCIAL RESULTS |
Jul 23, 2015 |
Jul 23, 2015 |
001-10499 |
| 10-Q |
Open Document
| Data
|
Open Filing |
FORM 10-Q JUNE 30, 2015 |
Jul 23, 2015 |
Jun 30, 2015 |
001-10499 |
| SC 13G/A |
Open Document
|
Open Filing |
|
Jul 10, 2015 |
|
005-36015 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 2, 2015 |
Jul 1, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 2, 2015 |
Jul 1, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 2, 2015 |
Jul 1, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 2, 2015 |
Jul 1, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 2, 2015 |
Jul 1, 2015 |
|
| 8-K |
Open Document
|
Open Filing |
8-K MT FIRST MORTGAGE BONDS 2015 |
Jun 29, 2015 |
Jun 23, 2015 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 1, 2015 |
Jun 1, 2015 |
|
| 8-K |
Open Document
|
Open Filing |
8-K 2015 AGA FINANCIAL FORUM |
May 18, 2015 |
May 18, 2015 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 12, 2015 |
May 12, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 11, 2015 |
May 11, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 7, 2015 |
May 5, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 4, 2015 |
May 1, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 4, 2015 |
Apr 30, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 4, 2015 |
Apr 30, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 4, 2015 |
Apr 30, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 4, 2015 |
Apr 30, 2015 |
|
| 3 |
Open Document
|
Open Filing |
FORM 3 |
May 1, 2015 |
May 1, 2015 |
|
| 8-K |
Open Document
|
Open Filing |
8-K 2015 ANNUAL MEETING VOTING RESULTS |
Apr 29, 2015 |
Apr 23, 2015 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K NY PRESENTATION 04 2015 |
Apr 27, 2015 |
Apr 27, 2015 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K Q1 2015 EARNINGS |
Apr 23, 2015 |
Apr 23, 2015 |
001-10499 |
| 10-Q |
Open Document
| Data
|
Open Filing |
FORM 10-Q 3.31.15 |
Apr 23, 2015 |
Mar 31, 2015 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 2, 2015 |
Apr 1, 2015 |
|
| 8-K |
Open Document
|
Open Filing |
8-K |
Mar 17, 2015 |
Mar 17, 2015 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 9, 2015 |
Mar 6, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 9, 2015 |
Mar 6, 2015 |
|
| DEFA14A |
Open Document
|
Open Filing |
ANNUAL MEETING NOTICE |
Mar 6, 2015 |
|
001-10499 |
| DEF 14A |
Open Document
|
Open Filing |
DEF 14A |
Mar 6, 2015 |
Dec 31, 2014 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 3, 2015 |
Mar 2, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 3, 2015 |
Mar 2, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 3, 2015 |
Mar 2, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 3, 2015 |
Mar 2, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 3, 2015 |
Mar 2, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 3, 2015 |
Mar 2, 2015 |
|
| ARS |
Open Document
|
Open Filing |
AUTO-GENERATED PAPER DOCUMENT |
Feb 27, 2015 |
Dec 31, 2014 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 24, 2015 |
Feb 23, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 24, 2015 |
Feb 23, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 24, 2015 |
Feb 23, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 24, 2015 |
Feb 23, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 24, 2015 |
Feb 23, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 24, 2015 |
Feb 23, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 24, 2015 |
Feb 23, 2015 |
|
| 8-K |
Open Document
|
Open Filing |
8-K 2015 LTIP GRANTS |
Feb 18, 2015 |
Feb 11, 2015 |
001-10499 |
| S-3ASR |
Open Document
|
Open Filing |
S-3ASR |
Feb 17, 2015 |
|
333-202126 |
| SC 13G/A |
Open Document
|
Open Filing |
NORTHWESTERN AMENDEMENT |
Feb 17, 2015 |
|
005-36015 |
| 8-K |
Open Document
|
Open Filing |
8-K Q4 2014 EARNINGS |
Feb 12, 2015 |
Feb 12, 2015 |
001-10499 |
| 10-K |
Open Document
| Data
|
Open Filing |
10-K NORTHWESTERN CORPORATION |
Feb 12, 2015 |
Dec 31, 2014 |
001-10499 |
| SC 13G/A |
Open Document
|
Open Filing |
NWE AS OF 12/31/2014 |
Feb 11, 2015 |
|
005-36015 |
| SC 13G/A |
Open Document
|
Open Filing |
|
Feb 10, 2015 |
|
005-36015 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 3, 2015 |
Feb 2, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 3, 2015 |
Feb 2, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 3, 2015 |
Feb 2, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 3, 2015 |
Feb 2, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 3, 2015 |
Feb 2, 2015 |
|
| SC 13G/A |
Open Document
|
Open Filing |
|
Jan 15, 2015 |
|
005-36015 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 5, 2015 |
Jan 2, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 5, 2015 |
Jan 2, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 5, 2015 |
Jan 2, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 5, 2015 |
Jan 2, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 5, 2015 |
Jan 2, 2015 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 5, 2015 |
Jan 5, 2015 |
|
| 8-K |
Open Document
|
Open Filing |
8-K |
Dec 24, 2014 |
Dec 19, 2014 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K |
Dec 22, 2014 |
Dec 16, 2014 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Dec 11, 2014 |
Dec 10, 2014 |
|
| SC 13G/A |
Open Document
|
Open Filing |
|
Dec 10, 2014 |
|
005-36015 |
| SC 13G |
Open Document
|
Open Filing |
NORTHWESTERN INITIAL |
Dec 9, 2014 |
|
005-36015 |
| 8-K |
Open Document
|
Open Filing |
8-K |
Dec 9, 2014 |
Dec 9, 2014 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Dec 2, 2014 |
Dec 1, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Dec 2, 2014 |
Dec 1, 2014 |
|
| 8-K |
Open Document
|
Open Filing |
8-K |
Nov 24, 2014 |
Nov 18, 2014 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K |
Nov 14, 2014 |
Nov 14, 2014 |
001-10499 |
| 424B2 |
Open Document
|
Open Filing |
424B2 |
Nov 13, 2014 |
|
333-179568 |
| 8-K |
Open Document
|
Open Filing |
8-K |
Nov 12, 2014 |
Nov 5, 2014 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K |
Nov 10, 2014 |
Nov 10, 2014 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
FORM 8-K |
Nov 10, 2014 |
Nov 4, 2014 |
001-10499 |
| 424B2 |
Open Document
|
Open Filing |
424B2 |
Nov 6, 2014 |
|
333-179568 |
| 424B2 |
Open Document
|
Open Filing |
424B2 |
Nov 5, 2014 |
|
333-179568 |
| FWP |
Open Document
|
Open Filing |
FWP |
Nov 5, 2014 |
|
333-179568 |
| 424B5 |
Open Document
|
Open Filing |
424B5 |
Nov 5, 2014 |
|
333-179568 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Nov 4, 2014 |
Nov 3, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Nov 4, 2014 |
Nov 3, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Nov 4, 2014 |
Nov 3, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Nov 4, 2014 |
Nov 3, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Nov 4, 2014 |
Nov 3, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Nov 4, 2014 |
Nov 3, 2014 |
|
| 8-K |
Open Document
|
Open Filing |
8-K |
Nov 3, 2014 |
Nov 3, 2014 |
001-10499 |
| 424B5 |
Open Document
|
Open Filing |
424B5 |
Nov 3, 2014 |
|
333-179568 |
| 8-K |
Open Document
|
Open Filing |
8-K |
Oct 30, 2014 |
Oct 30, 2014 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K |
Oct 27, 2014 |
Oct 27, 2014 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K |
Oct 23, 2014 |
Oct 23, 2014 |
001-10499 |
| 10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Oct 23, 2014 |
Sep 30, 2014 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K |
Oct 6, 2014 |
Oct 1, 2014 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Oct 2, 2014 |
Oct 1, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Oct 2, 2014 |
Oct 1, 2014 |
|
| 8-K |
Open Document
|
Open Filing |
8-K |
Sep 10, 2014 |
Sep 10, 2014 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Sep 2, 2014 |
Sep 2, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Sep 2, 2014 |
Sep 2, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Aug 4, 2014 |
Aug 1, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Aug 4, 2014 |
Aug 1, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Aug 4, 2014 |
Aug 1, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Aug 4, 2014 |
Aug 1, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Aug 4, 2014 |
Aug 1, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Aug 4, 2014 |
Aug 1, 2014 |
|
| S-8 |
Open Document
|
Open Filing |
S-8 |
Jul 25, 2014 |
|
333-197627 |
| 8-K |
Open Document
|
Open Filing |
8-K |
Jul 24, 2014 |
Jul 24, 2014 |
001-10499 |
| 10-Q |
Open Document
| Data
|
Open Filing |
10-Q JUNE 30, 2014 |
Jul 24, 2014 |
Jun 30, 2014 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 2, 2014 |
Jun 30, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 2, 2014 |
Jun 30, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 2, 2014 |
Jun 30, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 2, 2014 |
Jun 30, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 2, 2014 |
Jun 30, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 2, 2014 |
Jun 30, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 2, 2014 |
Jun 30, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 2, 2014 |
Jun 30, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 2, 2014 |
Jun 30, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jul 2, 2014 |
Jun 30, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 3, 2014 |
Jun 2, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jun 3, 2014 |
Jun 2, 2014 |
|
| 4/A |
Open Document
|
Open Filing |
FORM 4/A |
Jun 3, 2014 |
Apr 1, 2014 |
|
| 8-K |
Open Document
|
Open Filing |
8-K |
May 16, 2014 |
May 16, 2014 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K |
May 5, 2014 |
May 5, 2014 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 2, 2014 |
May 1, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 2, 2014 |
May 1, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 2, 2014 |
May 1, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 2, 2014 |
May 1, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 2, 2014 |
May 1, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
May 2, 2014 |
May 1, 2014 |
|
| 8-K |
Open Document
|
Open Filing |
8-K |
Apr 29, 2014 |
Apr 24, 2014 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K |
Apr 24, 2014 |
Apr 24, 2014 |
001-10499 |
| 10-Q |
Open Document
| Data
|
Open Filing |
10-Q |
Apr 24, 2014 |
Mar 31, 2014 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 2, 2014 |
Apr 1, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 2, 2014 |
Apr 1, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 2, 2014 |
Mar 31, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 2, 2014 |
Mar 31, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 2, 2014 |
Mar 31, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 2, 2014 |
Mar 31, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 2, 2014 |
Mar 31, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Apr 2, 2014 |
Mar 31, 2014 |
|
| 8-K |
Open Document
|
Open Filing |
8-K |
Apr 2, 2014 |
Apr 2, 2014 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K |
Mar 20, 2014 |
Mar 20, 2014 |
001-10499 |
| ARS |
Open Document
|
Open Filing |
AUTO-GENERATED PAPER DOCUMENT |
Mar 10, 2014 |
Dec 31, 2013 |
001-10499 |
| DEFA14A |
Open Document
|
Open Filing |
DEFA14A |
Mar 7, 2014 |
|
001-10499 |
| DEF 14A |
Open Document
|
Open Filing |
DEF 14A |
Mar 7, 2014 |
Apr 24, 2014 |
001-10499 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 4, 2014 |
Feb 28, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 4, 2014 |
Feb 28, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 4, 2014 |
Feb 28, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 4, 2014 |
Feb 28, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 4, 2014 |
Feb 28, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 4, 2014 |
Feb 28, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 4, 2014 |
Feb 28, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 4, 2014 |
Feb 28, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 4, 2014 |
Feb 28, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 4, 2014 |
Feb 28, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 4, 2014 |
Feb 28, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Mar 4, 2014 |
Feb 28, 2014 |
|
| 8-K |
Open Document
|
Open Filing |
8-K |
Mar 4, 2014 |
Mar 4, 2014 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K |
Feb 24, 2014 |
Feb 18, 2014 |
001-10499 |
| 8-K |
Open Document
|
Open Filing |
8-K |
Feb 19, 2014 |
Feb 19, 2014 |
001-10499 |
| 10-K |
Open Document
| Data
|
Open Filing |
FORM 10-K DECEMBER 31, 2013 |
Feb 19, 2014 |
Dec 31, 2013 |
001-10499 |
| SC 13G |
Open Document
|
Open Filing |
NORTHWESTERN CORP 13G |
Feb 12, 2014 |
|
005-36015 |
| SC 13G/A |
Open Document
|
Open Filing |
|
Feb 12, 2014 |
|
005-36015 |
| SC 13G/A |
Open Document
|
Open Filing |
NWE AS OF 12/31/2013 |
Feb 10, 2014 |
|
005-36015 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 4, 2014 |
Feb 3, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 4, 2014 |
Feb 3, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 4, 2014 |
Feb 3, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 4, 2014 |
Feb 3, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 4, 2014 |
Feb 3, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 4, 2014 |
Feb 3, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 4, 2014 |
Feb 3, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Feb 4, 2014 |
Feb 3, 2014 |
|
| SC 13G/A |
Open Document
|
Open Filing |
|
Jan 17, 2014 |
|
005-36015 |
| SC 13G/A |
Open Document
|
Open Filing |
|
Jan 10, 2014 |
|
005-36015 |
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 3, 2014 |
Dec 31, 2013 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 3, 2014 |
Dec 31, 2013 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 3, 2014 |
Dec 31, 2013 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 3, 2014 |
Dec 31, 2013 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 3, 2014 |
Dec 31, 2013 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 3, 2014 |
Dec 31, 2013 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 3, 2014 |
Jan 2, 2014 |
|
| 4 |
Open Document
|
Open Filing |
FORM 4 |
Jan 3, 2014 |
Jan 2, 2014 |
|