SEC Filings

Search SEC EDGAR filings by company ticker and form type

arrow_back

NorthWestern Energy Group, Inc.

SCHEDULE 13G/A 5 filings

All SCHEDULE 13G/A Filings

Complete history of SCHEDULE 13G/A filings with the SEC

Date Filed View on EDGAR
27 Mar
Mar 27, 2026
open_in_new View Filing
14 Aug
Aug 14, 2025
open_in_new View Filing
03 Apr
Apr 03, 2025
open_in_new View Filing
14 Feb
Feb 14, 2025
open_in_new View Filing
05 Feb
Feb 05, 2025
open_in_new View Filing