Alliant Energy Insider Award Adds 759 Units to Director’s Holdings

Rhea-AI Filing Summary

Alliant Energy Corporation (LNT) – Form 4 filing

Director Ignacio A. Cortina reported the grant of 759 Deferred Common Stock Units on 11 July 2025 under transaction code “A” (award). Each unit represents the right to receive one share of LNT common stock upon the director’s departure from the board. The filing lists an indicative reference price of $62.08 and brings Cortina’s total deferred stock balance to 7,916.756 units, which already reflects automatic dividend reinvestment adjustments permitted under Rule 16a-11.

The award appears to be routine board compensation rather than an open-market purchase or sale; therefore, the transaction has no direct cash outlay by the director and limited immediate impact on float or insider sentiment.

Insights

Financial Analyst

TL;DR – Routine director compensation, neutral signal.

The 759-unit award (~$47 k at $62.08) modestly increases the director’s ownership to nearly 8 k units but is part of Alliant’s standard equity retainer. Because it is not an open-market buy, it does not convey incremental confidence in the stock. Nor does it introduce dilution—the units are already reserved under the company’s equity plan and settle only at board departure. Overall, the filing is administratively necessary but immaterial to valuation, liquidity, or governance risk.

Corporate Governance Expert

TL;DR – Standard equity grant, governance practices intact.

Alliant Energy continues to compensate directors predominantly with deferred stock, aligning their interests with long-term shareholder value. The grant follows Section 16 guidance and acknowledges dividend reinvestments, indicating sound compliance. No red flags emerge regarding board independence or excessive compensation. Impact on governance posture is neutral.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Cortina Ignacio A

(Last) (First) (Middle)

C/O ALLIANT ENERGY CORPORATION

4902 N. BILTMORE LANE

(Street)

MADISON WI 53718

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
ALLIANT ENERGY CORP [ LNT ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
07/11/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Deferred Common Stock Units	$0	07/11/2025	07/11/2025	A		759		(1)	(1)	Deferred Common Stock	759	$62.08	7,916.756(2)	D

Explanation of Responses:

1. Units are to be settled in shares of common stock upon the reporting person's termination of services as a director.

2. Includes adjustments for accrued dividends, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11.

Remarks:

	/s/ Jake C. Blavat, Attorney-in-Fact	07/15/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did Director Ignacio Cortina acquire according to the Form 4 for LNT?

759 Deferred Common Stock Units were awarded on 07/11/2025.

What is the total number of LNT deferred stock units Cortina now holds?

After the award, he beneficially owns 7,916.756 units.

Was cash paid for the 759 units reported in this filing?

No. The units are part of non-cash director compensation and have a $0 exercise price.

When will the deferred units convert into Alliant Energy common shares?

Units convert to shares upon the director’s termination of service on the board.

Does this transaction signal insider buying pressure for LNT stock?

Because it is an equity award, not an open-market purchase, it is viewed as neutral for insider sentiment.