Official SEC submissions

NorthWestern Energy Group SEC Filings

Direct answer

NorthWestern Energy Group's latest SEC filing is 4.

It was filed on August 6, 2026, and 40 recent filings are available.
Each row links directly to the SEC document and filing index.
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Recent SEC filings

4

Insider transaction

Filed:

Report date:

FORM 4

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4

Insider transaction

Filed:

Report date:

FORM 4

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8-K

Current report

Filed:

Report date:

8-K

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10-Q

Periodic report

Filed:

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10-Q

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4/A

Insider transaction

Filed:

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FORM 4/A

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4

Insider transaction

Filed:

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FORM 4

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4

Insider transaction

Filed:

Report date:

FORM 4

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4

Insider transaction

Filed:

Report date:

FORM 4

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4

Insider transaction

Filed:

Report date:

FORM 4

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4

Insider transaction

Filed:

Report date:

FORM 4

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4

Insider transaction

Filed:

Report date:

FORM 4

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8-K

Current report

Filed:

Report date:

8-K

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8-K

Current report

Filed:

Report date:

8-K

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8-K

Current report

Filed:

Report date:

8-K

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8-K

Current report

Filed:

Report date:

8-K

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8-K

Current report

Filed:

Report date:

8-K

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4

Insider transaction

Filed:

Report date:

FORM 4

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4

Insider transaction

Filed:

Report date:

FORM 4

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8-K

Current report

Filed:

Report date:

8-K

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8-K

Current report

Filed:

Report date:

8-K

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10-Q

Periodic report

Filed:

Report date:

10-Q

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4

Insider transaction

Filed:

Report date:

FORM 4

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4

Insider transaction

Filed:

Report date:

FORM 4

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4

Insider transaction

Filed:

Report date:

FORM 4

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4

Insider transaction

Filed:

Report date:

FORM 4

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4

Insider transaction

Filed:

Report date:

FORM 4

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4

Insider transaction

Filed:

Report date:

FORM 4

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8-K

Current report

Filed:

Report date:

8-K

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DEFA14A

Proxy statement

Filed:

DEFA14A

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DEF 14A

Proxy statement

Filed:

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DEF 14A

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4

Insider transaction

Filed:

Report date:

FORM 4

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4

Insider transaction

Filed:

Report date:

FORM 4

Open SEC documentView filing index

4

Insider transaction

Filed:

Report date:

FORM 4

Open SEC documentView filing index

4

Insider transaction

Filed:

Report date:

FORM 4

Open SEC documentView filing index

4

Insider transaction

Filed:

Report date:

FORM 4

Open SEC documentView filing index

4

Insider transaction

Filed:

Report date:

FORM 4

Open SEC documentView filing index

4

Insider transaction

Filed:

Report date:

FORM 4

Open SEC documentView filing index

4

Insider transaction

Filed:

Report date:

FORM 4

Open SEC documentView filing index

4

Insider transaction

Filed:

Report date:

FORM 4

Open SEC documentView filing index

4

Insider transaction

Filed:

Report date:

FORM 4

Open SEC documentView filing index

Verified data

Recent filing categories
4
Recent filings
40
SEC CIK
0001993004
Latest filing date
August 6, 2026

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