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Alliant Energy Corp. 
 WI
  SEC # 352541


        
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2,969  SEC Filings
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  from  2/7/94  to  4/16/24  (3 Days Ago)

  List All Filings  or
  Filer / Offerer   Owner / Insider   Issuer / Subject Company   Filing Agent   
 
Most-Recent Filing:    ‘4’ — Statement of Changes in Beneficial Ownership of Securities by an Insider — Form 4 — for 4/12/24 — Filed re:  Issuer / Subject Company — Filed by:  Allen Patrick E 
 
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notifications of all
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Filings
involving  Alliant Energy Corp. 

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Forms
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, Documents
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& Exhibits
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 in  846 Filings
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 Filed as:  Filer / Offerer  or  Owner / Insider


        
Latest Filing  Type    Category    Description        Documents
     
4/1/24 New Document this Past Month!ARSUpdate:  Annual Reports to Security Holders  New Document this Past Month! 16
4/1/24 New Document this Past Month!DEFA14AProxy:  Definitive Additional Proxy Soliciting Materials — Schedule 14A  New Document this Past Month! 21
4/1/24 New Document this Past Month!DEF 14AProxy:  Definitive Proxy Statements — Schedule 14A  New Document this Past Month!  — Financial Reports
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30
3/8/248-KUpdate:  Current Reports — Form 8-K — Press Releases
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& Conference Calls
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 — Financial Reports
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317

8-K Items: 
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3/5/24
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  Business & Operations: 
Entry into a Material Definitive Agreement — Item 1.01 — ‘EX-10’
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26
1/20/06 OLD"Termination of a Material Definitive Agreement — Item 1.02  OLD  — ‘EX-10’
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1
12/21/07 OLD
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  Financial Info: 
Completion of Acquisition or Disposition of Assets — Item 2.01  OLD  — ‘EX-2’
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1
2/15/24"Results of Operations and Financial Condition — Item 2.02 — Financial Reports
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82
3/5/24"Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant — Item 2.03 — ‘EX-10’
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25
4/27/09 OLD"Triggering Events That Accelerate or Increase a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement — Item 2.04  OLD  — ‘EX-10’
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2
12/21/10 OLD"Material Impairments — Item 2.06  OLD  — ‘EX-2’
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6
12/18/18 OLD
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  Securities & Trading: 
Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing — Item 3.01  OLD 1
3/13/23 OLD"Unregistered Sales of Equity Securities — Item 3.02  OLD  — ‘EX-1’
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2
1/17/18 OLD"Material Modifications to Rights of Security Holders — Item 3.03  OLD  — ‘EX-4’
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2
3/8/24
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  Governance & Management: 
Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers — Item 5.02 — List of Directors & Officers
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57
12/20/21 OLD"Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year — Item 5.03  OLD  — ‘EX-3’
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9
8/31/07 OLD"Temporary Suspension of Trading Under Registrant’s Employee Benefit Plans — Item 5.04  OLD 1
5/25/23"Submission of Matters to a Vote of Security Holders — Item 5.0715
8/18/20 OLD
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  Disclosures: 
Regulation FD Disclosure — Item 7.01  OLD  — ‘EX-99’
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7
3/6/24
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  Events: 
Other Events — Item 8.0147
3/6/24
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  Financials: 
Financial Statements and Exhibits — Item 9.01 — Financial Reports
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172

2/16/2410-KUpdate:  Annual Reports — Form 10-K — Financial Reports
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39
12/15/23CORRESPComment:  Comment-Response and Other Letters to the SEC  [ a.k.a. COVER ] — All Correspondence with the SEC
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7
12/15/23S-3ASRRegistration:  Automatic Shelf Registration Statements by Well-Known Issuers — Form S-312
11/3/2310-QUpdate:  Quarterly Reports — Form 10-Q — Financial Reports
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124
6/22/2311-KUpdate:  Annual Reports by Employee Stock Purchase, Savings and Similar Plans — Form 11-K30
12/14/22 OLD424B5Registration:  Prospectuses – Primary Offerings and Shelf Securities – New Facts or Events  OLD 12
5/26/20 OLDS-8Registration:  Registration Statements – Securities for Certain Employee Benefit Plans — Form S-8  OLD 13
11/15/19 OLD424B2Registration:  Prospectuses – Primary Offerings and Shelf Securities  OLD 2
12/31/18 OLDCERTTrading:  Certification by a Securities Exchange Approving a Listing — Form CERT  OLD 1
12/28/18 OLD8-A12BRegistration:  Registration Statements for Certain Classes of Securities — Form 8-A  OLD 3
12/28/18 OLD25Trading:  Notice by an Issuer of the Removal from Listing and Registration on a Securities Exchange of Matured, Redeemed or Retired Securities — Form 25  OLD 1
5/5/16 OLDS-8 POSRegistration:  Post-Effective Amendments of Form S-8 Registrations  OLD 2
1/23/15 OLDNO ACTSEC:  SEC No-Action Letters re: Shareholder Proposals  OLD 3
9/30/09 OLDFWPRegistration:  Prospectus – Free Writing  OLD 1
12/11/08 OLD424B3Registration:  Prospectuses – New Facts or Events  OLD 10
9/8/08 OLDCT ORDERSEC:  SEC Confidential Treatment Order  OLD 1
11/29/05 OLD35-CERTUpdate:  Certificates re: Terms and Conditions of Transactions — Form 35-CERT  OLD 75
11/28/05 OLDU-9C-3Update:  Quarterly Reports by Energy and Gas-Related Companies — Form U-9C-3  OLD 25
8/26/05 OLDU-6B-2Update:  Certificates of Notices of Security Issues, Renewals and Guarantees — Form U-6B-2  OLD 5
4/28/05 OLDU5SUpdate:  Annual Reports by Utility Holding Companies — Form U5S  OLD 10
12/28/04 OLDU-1Registration:  Applications and Declarations — Form U-1  OLD 54
11/22/04 OLDSC 13DOwnership:  Statements of Acquisitions of Beneficial Ownership by “Active” Investors — Schedule 13D  OLD 7
11/19/04 OLDSEUpdate:  Separate Exhibits – Scanned Paper-Format Exhibits of Other Electronic Filings — Form SE  OLD 4
7/16/04 OLDRWRegistration:  Registration Withdrawal Requests  OLD 3
4/9/04 OLDS-3Registration:  Registration Statements – Securities for Transactions — Form S-3  OLD 8
3/12/04 OLDPRE 14AProxy:  Preliminary Proxy Statements — Schedule 14A  OLD 3
11/25/03 OLD4Ownership:  Statement of Changes in Beneficial Ownership of Securities by an Insider — Form 4  OLD 1
11/25/03 OLD3Ownership:  Initial Statement of Beneficial Ownership of Securities by an Insider — Form 3  OLD 1
9/18/03 OLDPOS AMCRegistration:  Post-Effective Amendments of Form U-1 Registrations  OLD 26
6/26/03 OLDU-57Update:  Notices of Status by Foreign Utility Companies — Form U-57  OLD 19
4/29/03 OLDS-4Registration:  Registration Statements – Securities for Mergers — Form S-4  OLD 10
11/19/02 OLDS-3DRegistration:  Registration Statement – Securities for a Dividend or Interest Reinvestment Plan (Immediately Effective) — Form S-3  OLD 1
11/14/02 OLDS-3MEFRegistration:  Registration Statement to Add Securities to a Prior Form S-3 Registration  OLD 1
7/1/02 OLDNT 11-KUpdate:  Notice of a Late Filing of a Form 11-K Annual Report — Form 12b-25  OLD 1
3/27/02 OLD10-K405Update:  Annual Reports — Reg. S-K – Item 405 — Form 10-K  OLD 7
4/27/01 OLDU-13-60Update:  Annual Report by a Mutual or Subsidiary Service Company — Form U-13-60  OLD 1
12/15/00 OLDU-12-IBOwnership:  Ownership by Persons Employed and Retained by Utility Holding Companies – Three-Year Statements — Form U-12(I)-B  OLD 14
4/12/00 OLDPOS AMRegistration:  Post-Effective Amendments of Registration Statements  OLD 2
6/25/99 OLD15-15DUpdate:  Notices of Suspensions of Duty to File Reports — Form 15  OLD 3
9/2/98 OLDU5BRegistration:  Registration Statements by Utility Holding Companies — Form U5B  OLD 2
4/24/98 OLDU5ARegistration:  Notice of Registration by a Utility Holding Company — Form U5A  OLD 1
4/1/98 OLDNT 10-KUpdate:  Notice of a Late Filing of a Form 10-K Annual Report — Form 12b-25  OLD 1

Letters: 
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2/27/09 OLDCOVERComment-Response or Cover Letter to the SEC  [ a.k.a. CORRESP ]  OLD  — All Correspondence with the SEC1

General Exhibits: 
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3/6/24EX-4Instruments, Including Indentures, Defining the Rights of Security Holders93
3/6/24EX-5Opinions of Counsel re: Legality106
3/6/24EX-1Underwriting Agreements  (and mislabeled “1st Exhibits”)37
3/5/24EX-10Material Contracts189
2/16/24EX-97Clawback Policy re: Recovery of Erroneously Awarded Compensation1
2/16/24EX-23Consents of Experts and Counsel189
2/16/24EX-21Subsidiaries Lists42
12/15/23EX-FILING FEESFiling Fees3
12/15/23EX-24Powers of Attorney43
12/15/23EX-25Statements of Eligibility to Act as a Trustee — Forms T-1 & T-220
11/8/22 OLDEX-3Articles of Incorporation/Organization and Bylaws  OLD 61
1/23/07 OLDEX-2Plans of Acquisitions, Reorganizations, Arrangements, Liquidations and Successions  OLD 10
8/19/96 OLDEX-8Opinions of Counsel re: Tax Matters  OLD 6

Additional Exhibits: 
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3/6/24EX-99Miscellaneous Exhibits, such as Press Releases — Press Releases
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& Conference Calls
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472

Financials: 
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4/1/24 New Report this Past Month!XML  &  R#IDEA Financial Reports Info  New Report this Past Month!  — Financial Reports
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5,298
4/1/24 New Exhibit this Past Month!EX-101.*XBRL Data  (XBRL Files)  New Exhibit this Past Month! 571
4/1/24 New Exhibit this Past Month!JSONXBRL Instances as JavaScript Object Notation Data  (JSON Files)  New Exhibit this Past Month! 80
4/1/24 New Folder this Past Month!ZIPXBRL Zipped Folders
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  (Folders of XBRL Files)  New Folder this Past Month! 
116
3/8/24EXCELIDEA Workbooks of Financial Reports Info — Workbooks of Financial Reports
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122
2/16/24EX-31Certifications — §302 – SOA’02497
2/16/24EX-32Certifications — §906 – SOA’02249
8/3/18 OLDEX-12Statements re: Computations of Ratios  OLD 166
2/24/16 OLDEX-18Letters re: Changes in Accounting Principles and Practices  OLD 2
6/12/02 OLDEX-16Letters re: Changes in Accountants  OLD 3
11/13/00 OLDEX-27Financial Data Schedules {Pre-XBRL}  OLD  — Financial Reports
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129

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4/1/24 New Graphic this Past Month!GRAPHICPhotos, Images and Graphs  New Graphic this Past Month! 886


Forms
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, Documents
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& Exhibits
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 in  2,138 Filings
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 Filed re:  Issuer / Subject Company


        
New Filing!  List all Money Managers that own this Security Issuer:  CUSIP 018802
 

        
Latest Filing  Type    Category    Description        Documents
     
4/16/24 New Document this Past Month!4Ownership:  Statements of Changes in Beneficial Ownership of Securities by Insiders — Form 4  New Document this Past Month! 2,017
4/1/24 New Document this Past Month!3Ownership:  Initial Statements of Beneficial Ownership of Securities by Insiders — Form 3  New Document this Past Month! 38
2/13/24SC 13GOwnership:  Statements of Acquisitions of Beneficial Ownership by “Passive” Investors — Schedule 13G49
9/30/09 OLDFWPRegistration:  Prospectus – Free Writing  OLD 1
7/10/08 OLD5Ownership:  Annual Statements of Changes in Beneficial Ownership of Securities by Insiders — Form 5  OLD 5
12/15/00 OLDU-12-IBOwnership:  Ownership by Persons Employed and Retained by Utility Holding Companies – Three-Year Statements — Form U-12(I)-B  OLD 14
11/21/95 OLDSC 13DOwnership:  Statements of Acquisitions of Beneficial Ownership by “Active” Investors — Schedule 13D  OLD 2

Letters: 
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12/19/23LETTERComment and Other Letters from the SEC  [ a.k.a. UPLOAD ] — All Correspondence with the SEC12
12/19/23TEXT-EXTRACTComment and Other Letters from the SEC – PDFs’ Text  [ a.k.a. LETTER ]2

General Exhibits: 
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4/1/24 New Exhibit this Past Month!EX-24Powers of Attorney  New Exhibit this Past Month! 103

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4/1/24 New Graphic this Past Month!GRAPHICPhotos, Images and Graphs  New Graphic this Past Month! 10


        

Filings History

Year    # of Filings
In descending order
2024 32
2023 69
2022 68
2021 68
2020 68
2019 67
2018 53
2017 57
2016 91
2015 104
2014 164
2013 87
2012 97
2011 177
2010 159
2009 127
2008 111
2007 195
2006 205
2005 218
2004 264
2003 163
2002 61
2001 57
2000 71
1999 52
1998 30
1997 10
1996 25
1995 11
1994 8

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