# Alliant Energy Corp (LNT) SEC filings and CIK

Canonical: https://sec-api.dev/companies/lnt

> LNT’s SEC CIK is 0000352541 (352541).

Insider transactions in the latest quarter: 1 (0 purchases, 1 sales). 

| Filed | Form | Filing |
| --- | --- | --- |
| 2026-11-06 | S-3ASR | https://www.sec.gov/Archives/edgar/data/352541/000035254126000053/0000352541-26-000053-index.htm |
| 2026-10-30 | 8-K | https://www.sec.gov/Archives/edgar/data/352541/000035254126000045/0000352541-26-000045-index.htm |
| 2026-10-30 | 10-Q | https://www.sec.gov/Archives/edgar/data/352541/000035254126000047/0000352541-26-000047-index.htm |

API: GET https://sec-api.dev/api/v1/filings?cik=352541

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