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LNT

Alliant Energy Corp SEC filings
Electric & Other Services Combined · Nasdaq · Incorporated in WI
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Filing history
2026-11-06
S-3ASR S-3ASR
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2026-10-30
Quarterly report 10-Q
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2026-10-30
Current report 8-K
Earnings results
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2026-10-28
Current report 8-K
Material agreementNew debt
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2026-10-14
Insider trade 4
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2026-10-14
Insider trade 4
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2026-10-14
Insider trade 4
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2026-10-14
Insider trade 4
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2026-10-14
Insider trade 4
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2026-10-14
Insider trade 4
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2026-10-14
Insider trade 4
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2026-10-14
Insider trade 4
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2026-08-21
Current report 8-K
Other event
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2026-08-12
Insider trade 4
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2026-07-31
Quarterly report 10-Q
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2026-07-31
Current report 8-K
Earnings results
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2026-07-14
Insider trade 4
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2026-07-14
Insider trade 4
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2026-07-14
Insider trade 4
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2026-07-14
Insider trade 4
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2026-07-14
Insider trade 4
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2026-07-14
Insider trade 4
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2026-07-14
Insider trade 4
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2026-07-14
Insider trade 4
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2026-06-16
Employee plan report 11-K
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2026-05-21
Current report 8-K
Shareholder vote
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2026-05-01
Quarterly report 10-Q
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2026-05-01
Current report 8-K
Earnings results
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2026-04-29
Passive 5%+ stake SCHEDULE 13G
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2026-04-28
Passive 5%+ stake SCHEDULE 13G
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2026-04-16
Insider trade 4
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2026-04-14
Insider trade 4
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2026-04-14
Insider trade 4
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2026-04-14
Insider trade 4
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2026-04-14
Insider trade 4
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2026-04-14
Insider trade 4
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2026-04-14
Insider trade 4
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2026-04-14
Insider trade 4
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2026-03-31
Annual report to shareholders ARS
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2026-03-31
Proxy material DEFA14A
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