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Filing Detail
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0000052388-20-000040
Filing Date
2020-02-11
Accepted
2020-02-11 12:06:40
Documents
1

Document Format Files

Seq Description Document Type Size
1 SC 13G/A northwesterncorp13g-a1.htm SC 13G/A 121320
  Complete submission text file 0000052388-20-000040.txt   123039
Mailing Address 4500 MAIN STREET KANSAS CITY MO 64111
Business Address 4500 MAIN STREET KANSAS CITY MO 64111 816-531-5575
AMERICAN CENTURY INVESTMENT MANAGEMENT INC (Filed by) CIK: 0000052388 (see all company filings)

IRS No.: 440640487 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000

Mailing Address 3010 W 69TH STREET SIOUX FALLS SD 57108
Business Address 3010 W 69TH STREET SIOUX FALLS SD 57108 6059782908
NORTHWESTERN CORP (Subject) CIK: 0000073088 (see all company filings)

IRS No.: 460172280 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-36015 | Film No.: 20595340
SIC: 4931 Electric & Other Services Combined
Office of Energy & Transportation