NorthWestern Energy NWE SEC Filings

NASDAQ NWE
$84.92 +0.82 (+0.98%)
At close: Nov 10, 2026 · 4:00 PM EST
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing NorthWestern Energy Group, Inc. (NWE) has made, as reported on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership disclosures. Filter by form group, form type or period, and open any filing or its index directly.

Form Type
# Form Type Form Group Accession Date Filing Index
18-KCurrent Report0001993004-26-000062Nov 6, 2026 9:50 PM
28-KCurrent Report0001993004-26-000060Nov 5, 2026 9:58 AM
310-QQuarterly & Annual Report0001993004-26-000057Nov 5, 2026 10:49 PM
44Insider Transaction0001244563-26-000008Oct 5, 2026 1:24 AM
54Insider Transaction0001730877-26-000008Oct 5, 2026 1:23 AM
64Insider Transaction0001931208-26-000008Oct 5, 2026 1:22 AM
74Insider Transaction0001428704-26-000008Oct 5, 2026 1:21 AM
84Insider Transaction0001634403-26-000008Oct 5, 2026 1:19 AM
94Insider Transaction0001530618-26-000010Oct 5, 2026 1:18 AM
104Insider Transaction0001328106-26-000009Oct 5, 2026 12:28 AM
114Insider Transaction0001182496-26-000015Oct 5, 2026 12:27 AM
128-KCurrent Report0001993004-26-000054Sep 9, 2026 2:24 PM
134Insider Transaction0001244563-26-000006Aug 6, 2026 6:21 PM
144Insider Transaction0001730877-26-000006Aug 5, 2026 1:26 PM
158-KCurrent Report0001993004-26-000052Jul 30, 2026 11:14 AM
1610-QQuarterly & Annual Report0001993004-26-000050Jul 30, 2026 10:19 PM
174Insider Transaction0001182496-26-000011Jul 13, 2026 3:54 PM
184Insider Transaction0001634403-26-000006Jul 13, 2026 3:30 PM
194Insider Transaction0001428704-26-000006Jul 13, 2026 3:28 PM
204Insider Transaction0001931208-26-000006Jul 13, 2026 3:27 PM
214Insider Transaction0001530618-26-000007Jul 13, 2026 3:24 PM
224Insider Transaction0001328106-26-000007Jul 13, 2026 3:22 PM
234Insider Transaction0001182496-26-000009Jul 13, 2026 3:17 PM
248-KCurrent Report0001993004-26-000046Jun 22, 2026 2:47 PM
258-KCurrent Report0001993004-26-000044Jun 2, 2026 11:22 AM
268-KCurrent Report0001993004-26-000042Jun 2, 2026 11:14 AM
278-KCurrent Report0001993004-26-000038May 27, 2026 11:05 AM
288-KCurrent Report0001993004-26-000035May 18, 2026 2:23 PM
294Insider Transaction0001730877-26-000004May 12, 2026 2:16 PM
304Insider Transaction0001244563-26-000004May 12, 2026 2:12 PM
318-KCurrent Report0001993004-26-000033May 5, 2026 2:33 PM
32SCHEDULE 13GBeneficial Ownership Report0002100119-26-000778Apr 30, 2026 3:28 PM
338-KCurrent Report0001993004-26-000031Apr 30, 2026 3:19 PM
3410-QQuarterly & Annual Report0001993004-26-000029Apr 30, 2026 11:30 PM
35SCHEDULE 13GBeneficial Ownership Report0002100121-26-000542Apr 29, 2026 6:34 PM
364Insider Transaction0001931208-26-000004Apr 7, 2026 4:59 PM
374Insider Transaction0001428704-26-000004Apr 7, 2026 4:57 PM
384Insider Transaction0001634403-26-000004Apr 7, 2026 4:56 PM
394Insider Transaction0001530618-26-000004Apr 7, 2026 4:55 PM
404Insider Transaction0001328106-26-000004Apr 7, 2026 4:54 PM
414Insider Transaction0001182496-26-000004Apr 7, 2026 4:53 PM
428-KCurrent Report0001993004-26-000026Apr 3, 2026 8:26 PM
43SCHEDULE 13GBeneficial Ownership Report0000102909-26-001990Mar 27, 2026 3:08 PM
44ANNLRPTOthers0001993004-26-000022Mar 12, 2026 8:20 PM
45DEFA14AOthers0001993004-26-000020Mar 12, 2026 8:18 PM
46DEF 14AOthers0001993004-26-000018Mar 12, 2026 8:16 PM
474Insider Transaction0001522051-26-000006Mar 3, 2026 5:52 PM
484Insider Transaction0001271670-26-000006Mar 2, 2026 9:11 PM
494Insider Transaction0001960374-26-000006Mar 2, 2026 9:09 PM
504Insider Transaction0001981436-26-000004Mar 2, 2026 9:08 PM
...

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