Latest filings (excl ownership)
10-Q
2024 Q1
Quarterly report
3 May 24
8-K
Departure of Directors or Certain Officers
8 Mar 24
8-K
Wisconsin Power and Light Company Prices Public Offering of Green Bonds
6 Mar 24
424B5
Prospectus supplement for primary offering
5 Mar 24
FWP
Free writing prospectus
4 Mar 24
424B5
Prospectus supplement for primary offering
4 Mar 24
10-K
2023 FY
Annual report
16 Feb 24
8-K
Alliant Energy Announces 2023 Results
15 Feb 24
8-K
Departure of Directors or Certain Officers
13 Feb 24
UPLOAD
Letter from SEC
19 Dec 23
S-3ASR
Automatic shelf registration
15 Dec 23
UPLOAD
Letter from SEC
28 Nov 23
10-Q
2023 Q3
Quarterly report
3 Nov 23
8-K
Alliant Energy Announces Third Quarter 2023 Results
2 Nov 23
8-K
Departure of Directors or Certain Officers
26 Oct 23
10-Q
2023 Q2
Quarterly report
4 Aug 23
8-K
Alliant Energy Announces Second Quarter 2023 Results
3 Aug 23
8-K
Departure of Directors or Certain Officers
14 Jul 23
10-Q
2023 Q1
Quarterly report
5 May 23
8-K
Alliant Energy Announces First Quarter 2023 Results
4 May 23
8-K
Wisconsin Power and Light Company Prices Public Offering of Green Bonds
29 Mar 23
424B5
Prospectus supplement for primary offering
29 Mar 23
FWP
Free writing prospectus
27 Mar 23
424B5
Prospectus supplement for primary offering
27 Mar 23
8-K
Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
16 Mar 23
10-K
2022 FY
Annual report
24 Feb 23
8-K
Alliant Energy Announces 2022 Results
23 Feb 23
8-K
Departure of Directors or Certain Officers
13 Jan 23
8-K
Departure of Directors or Certain Officers
4 Jan 23
10-Q
2022 Q3
Quarterly report
8 Nov 22
8-K
Alliant Energy Announces Third Quarter 2022 Results
7 Nov 22
8-K
Wisconsin Power and Light Company Prices Public Offering of Green Bonds
15 Aug 22
424B5
Prospectus supplement for primary offering
9 Aug 22
FWP
Free writing prospectus
8 Aug 22
424B5
Prospectus supplement for primary offering
8 Aug 22
10-Q
2022 Q2
Quarterly report
5 Aug 22
8-K
Alliant Energy Announces Second Quarter 2022 Results
4 Aug 22
10-Q
2022 Q1
Quarterly report
29 Apr 22
8-K
Alliant Energy Announces First Quarter 2022 Results
28 Apr 22
10-K
2021 FY
Annual report
18 Feb 22
Latest ownership filings
No filings