LNT insider trading

NasdaqGS Utilities

ALLIANT ENERGY CORP — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades
422
Last 90 days
31
Buys / sells
2% / 3%
Market cap
$18.30B

About ALLIANT ENERGY CORP

Alliant Energy Corporation operates as a utility holding company that provides regulated electric and natural gas services in the United States. It operates through IPL and WPL segments. The company's IPL segment engages primarily in the generation and distribution of electricity and the distribution and transportation of natural gas to retail customers in select markets in Iowa. This segment also sells electricity to wholesale customers in Minnesota, Illinois and Iowa; and generates and distributes steam for two customers in Cedar Rapids, Iowa. Its WPL segment generates and distributes electricity, and distributes and transports natural gas to retail customers in select markets in Wisconsin; and sells electricity to wholesale customers in Wisconsin. It serves retail customers in the farming, agriculture, industrial manufacturing, chemical, packaging, and food industries, as well as wholesale customers comprising municipalities and rural electric cooperatives. In addition, the company owns and operates a short-line rail freight service in Iowa; a Mississippi River barge, rail, and truck freight terminal in Illinois; freight brokerage services; wind turbine blade recycling services; and a rail-served warehouse in Iowa. Further, it holds interests in a natural gas-fired electric generating unit near Sheboygan Falls, Wisconsin; and a wind farm located in Oklahoma. The company was formerly known as Interstate Energy Corp. and changed its name to Alliant Energy Corporation in May 1999. Alliant Energy Corporation is headquartered in Madison, Wisconsin.

Company website: www.alliantenergy.com

LNT insider activity at a glance

FilingIQ has scored 422 insider transactions for LNT since Jan 15, 2015. The most recent filing in our index is dated Apr 15, 2026.

Across the full history, 7 open-market purchases and 12 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on LNT insider trades is 60.5/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

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Frequently asked

How many insider trades does FilingIQ track for LNT?
FilingIQ tracks 422 Form 4 insider transactions for LNT (ALLIANT ENERGY CORP), covering filings from Jan 15, 2015 onwards. 31 of those were filed in the last 90 days.
Are LNT insiders net buyers or net sellers?
Across the full Form 4 history for LNT, 7 transactions (2%) were open-market purchases and 12 (3%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does LNT insider data come from?
Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
What sector is LNT in?
ALLIANT ENERGY CORP (LNT) is classified in the Utilities sector, specifically Utilities - Regulated Electric, with a current market capitalisation of $18.30B.

Methodology & sources

Every LNT insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.