Form	Accession ID	Report Date	Filing Date	Accepted At	Source
8-K	0000352541-26-000036	May 20, 2026	May 21, 2026	May 21, 2026 21:05 UTC	EDGAR
8-K	0001193125-26-116244	Mar 19, 2026	Mar 19, 2026	Mar 19, 2026 21:28 UTC	EDGAR
8-K	0000352541-26-000009	Mar 2, 2026	Mar 4, 2026	Mar 4, 2026 01:13 UTC	EDGAR
8-K	0000352541-25-000085	Dec 2, 2025	Dec 5, 2025	Dec 5, 2025 02:45 UTC	EDGAR
8-K	0000352541-25-000076	Sep 23, 2025	Sep 26, 2025	Sep 25, 2025 23:58 UTC	EDGAR
8-K	0000352541-25-000055	May 16, 2025	May 20, 2025	May 20, 2025 13:32 UTC	EDGAR
8-K	0001193125-25-120808	May 12, 2025	May 15, 2025	May 15, 2025 20:12 UTC	EDGAR
8-K	0001193125-25-116990	May 9, 2025	May 9, 2025	May 9, 2025 21:28 UTC	EDGAR

Direct links to SEC EDGAR. LNT has additional filings available on the SEC site.

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Who is buying and selling ALLIANT ENERGY CORP — insider transactions from Forms 3/4/5/144 and institutional ownership from 13F, 13D, and 13G filings, point-in-time stamped like every other fact in the library. Traders read it as a positioning signal; risk desks read it as concentration.

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