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AI brief of an SEC Form 8-K · Alliant Energy (LNT)

Alliant Energy completes $575 million sale of 3.25% convertible notes due 2028

Neutral Impact 3 of 5 financing Written later

Alliant Energy completed a private sale of $575 million of 3.250% convertible senior notes due May 30, 2028, including the full $75 million option for additional notes. The company said in a May 12, 2025 release that it expected net proceeds of about $567.0 million with the option exercised in full, to be used to repay or refinance debt, reduce commercial paper, or for general corporate purposes. The notes add debt and are convertible into cash, shares, or a mix, with potential dilution from up to 9,660,575 shares.

Key points

  • Notes: $575 million principal, 3.250% fixed interest, paid semiannually on May 30 and November 30, starting November 30, 2025.
  • Initial conversion price is about $75.89 per share, a premium of about 27.5% over the May 12, 2025 Nasdaq closing price.
  • Company may not redeem the notes before maturity; holders may require repurchase at 100% of principal plus accrued interest upon a fundamental change.
  • Maximum shares issuable on conversion, including any make-whole increase, is 9,660,575.

The filing

CompanyAlliant Energy (LNT)
Form8-K, current report
Filed with the SECMay 15, 2025, 4:12 PM ET
Accession number0001193125-25-120808

Items reported: 1.01 Material Definitive Agreement2.03 New Direct Financial Obligation3.02 Unregistered Equity Sale8.01 Other Events

Read the filing on SEC.gov ↗

Written by AI on Nov 8, 2026, 12:42 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on May 15, 2025.

Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.