NORTHWESTERN CORP SEC filing history

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SEC filing history

Showing 1–15 of 15 matching filings.

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3

FORM 3

Filing date
16 Jun 2023
Reporting date
16 Jun 2023
SEC evidence
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3

FORM 3

Filing date
01 May 2023
Reporting date
28 Apr 2023
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3

FORM 3

Filing date
03 Jan 2023
Reporting date
03 Jan 2023
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3

FORM 3

Filing date
03 Jan 2023
Reporting date
03 Jan 2023
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3

FORM 3

Filing date
07 Sep 2022
Reporting date
31 Aug 2022
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3

FORM 3

Filing date
04 Aug 2022
Reporting date
28 Jul 2022
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3

FORM 3

Filing date
24 Feb 2021
Reporting date
15 Feb 2021
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3

FORM 3

Filing date
24 Feb 2021
Reporting date
15 Feb 2021
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3

FORM 3

Filing date
03 Dec 2019
Reporting date
03 Dec 2019
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3

FORM 3

Filing date
31 Oct 2019
Reporting date
31 Oct 2019
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3

FORM 3

Filing date
28 Apr 2017
Reporting date
28 Apr 2017
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3

FORM 3

Filing date
28 Apr 2017
Reporting date
28 Apr 2017
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3

FORM 3

Filing date
09 Dec 2016
Reporting date
09 Dec 2016
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3

FORM 3

Filing date
26 Oct 2015
Reporting date
26 Oct 2015
SEC evidence
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3

FORM 3

Filing date
01 May 2015
Reporting date
01 May 2015
SEC evidence
Open document Open filing
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