ALLIANT ENERGY CORP (LNT) SEC Filings & Financial Intelligence
ALLIANT ENERGY CORP (LNT) is a publicly traded company on the Nasdaq, categorized under SIC 4931 (Electric & Other Services Combined). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.
Ticker: LNT
CIK: 352541
Exchange: Nasdaq
SIC 4931: Electric & Other Services Combined
Fiscal Year End: 12/31
State: WI
Independent PCAOB Auditor
Explore PCAOB Audit Intelligence →
Audit Firm
Deloitte & Touche LLP
Auditor SinceSince 12/31/2016 12:00:00 AM
Lead Engagement PartnerAdam Nicholson
Audit LocationMilwaukee, Wisconsin, United States
Latest SEC EDGAR Filings
Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions| Form | Filing Date | Reporting Period | Description | Accession Number | Actions |
|---|---|---|---|---|---|
| S-3ASR | 2026-11-06 | — | S-3ASR | 0000352541-26-000053 | View SEC Doc Filr Page |
| 10-Q | 2026-10-30 | 2026-09-30 | 10-Q | 0000352541-26-000047 | View SEC Doc Filr Page |
| 8-K | 2026-10-30 | 2026-10-29 | 8-K | 0000352541-26-000045 | View SEC Doc Filr Page |
| 8-K | 2026-10-28 | 2026-10-26 | 8-K | 0001193125-26-435177 | View SEC Doc Filr Page |
| 4 | 2026-10-14 | 2026-10-09 | FORM 4 | 0001191569-26-000013 | View SEC Doc Filr Page |
| 4 | 2026-10-14 | 2026-10-09 | FORM 4 | 0002115951-26-000005 | View SEC Doc Filr Page |
| 4 | 2026-10-14 | 2026-10-09 | FORM 4 | 0001654634-26-000004 | View SEC Doc Filr Page |
| 4 | 2026-10-14 | 2026-10-09 | FORM 4 | 0001463371-26-000004 | View SEC Doc Filr Page |
| 4 | 2026-10-14 | 2026-10-09 | FORM 4 | 0001684665-26-000007 | View SEC Doc Filr Page |
| 4 | 2026-10-14 | 2026-10-09 | FORM 4 | 0001607542-26-000004 | View SEC Doc Filr Page |
| 4 | 2026-10-14 | 2026-10-09 | FORM 4 | 0001298509-26-000006 | View SEC Doc Filr Page |
| 4 | 2026-10-14 | 2026-10-09 | FORM 4 | 0001942745-26-000006 | View SEC Doc Filr Page |
| 8-K | 2026-08-21 | 2026-08-21 | 8-K | 0001193125-26-360020 | View SEC Doc Filr Page |
| 4 | 2026-08-12 | 2026-08-10 | FORM 4 | 0001512789-26-000003 | View SEC Doc Filr Page |
| 10-Q | 2026-07-31 | 2026-06-30 | 10-Q | 0000352541-26-000043 | View SEC Doc Filr Page |
| 8-K | 2026-07-31 | 2026-07-30 | 8-K | 0000352541-26-000042 | View SEC Doc Filr Page |
| 4 | 2026-07-14 | 2026-07-10 | FORM 4 | 0001191569-26-000010 | View SEC Doc Filr Page |
| 4 | 2026-07-14 | 2026-07-10 | FORM 4 | 0001654634-26-000003 | View SEC Doc Filr Page |
| 4 | 2026-07-14 | 2026-07-10 | FORM 4 | 0001463371-26-000003 | View SEC Doc Filr Page |
| 4 | 2026-07-14 | 2026-07-10 | FORM 4 | 0001684665-26-000006 | View SEC Doc Filr Page |
| 4 | 2026-07-14 | 2026-07-10 | FORM 4 | 0001607542-26-000003 | View SEC Doc Filr Page |
| 4 | 2026-07-14 | 2026-07-10 | FORM 4 | 0001298509-26-000005 | View SEC Doc Filr Page |
| 4 | 2026-07-14 | 2026-07-10 | FORM 4 | 0001942745-26-000004 | View SEC Doc Filr Page |
| 4 | 2026-07-14 | 2026-07-10 | FORM 4 | 0002115951-26-000004 | View SEC Doc Filr Page |
| 11-K | 2026-06-16 | 2025-12-31 | 11-K | 0000352541-26-000038 | View SEC Doc Filr Page |