Ignacio A. Cortina - 11 Jul 2025 Form 4 Insider Report for ALLIANT ENERGY CORP (LNT)

Role
Director
Signature
/s/ Jake C. Blavat, Attorney-in-Fact
Issuer symbol
LNT
Transactions as of
11 Jul 2025
Net transactions value
+$47,119
Form type
4
Filing time
15 Jul 2025, 11:40:10 UTC
Previous filing
15 Apr 2025
Next filing
13 Aug 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Cortina Ignacio A Director C/O ALLIANT ENERGY CORPORATION, 4902 N. BILTMORE LANE, MADISON /s/ Jake C. Blavat, Attorney-in-Fact 15 Jul 2025 0001654634

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction LNT Deferred Common Stock Units Award $47,119 +759 +11% $62.08 7,917 11 Jul 2025 Deferred Common Stock 759 $0.000000 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Units are to be settled in shares of common stock upon the reporting person's termination of services as a director.
F2 Includes adjustments for accrued dividends, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11.