Alliant Energy (LNT) director acquires 802.583 deferred units

Alliant Energy Corp (LNT) disclosed an insider equity transaction.

Rhea-AI Filing Summary

Alliant Energy Corp (LNT) disclosed an insider equity transaction. A company director reported acquiring 802.583 deferred common stock units on 10/10/2025 (transaction code A).

These units are to be settled in shares of common stock upon the director’s termination of board service. Following the transaction, the reporting person beneficially owned 29,363.427 derivative securities, held directly. The filing notes adjustments for accrued dividends pursuant to a dividend reinvestment transaction exempt under Rule 16a-11.

Insights

Equity compensation analyst

Routine director equity accrual; non-cash, neutral impact.

A director acquired 802.583 deferred common stock units, a standard non-cash form of board compensation. The transaction is coded A and uses a $0 conversion price, typical for deferred units that mirror common shares economically.

Settlement occurs in common stock upon termination of board service, so issuance timing depends on tenure. Beneficial ownership of derivative securities rose to 29,363.427 units, with adjustments noted for accrued dividends via a Rule 16a-11 dividend reinvestment.

Insider Trade Summary

Grant/Award: 802.583 shares

Grant/Award 1 txn

Insider Newport Roger K

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Deferred Common Stock Units	802.583	$67.75	$54K

Holdings After Transaction: Deferred Common Stock Units — 29,363.427 contracts (Direct)

Footnotes (2)

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

FAQ

What insider transaction did Alliant Energy (LNT) disclose?

A director acquired 802.583 deferred common stock units on 10/10/2025 (Code A).

How will the deferred units for LNT be settled?

Units are to be settled in shares of common stock upon the director’s termination of board service.

How many derivative securities does the insider hold after this LNT transaction?

Following the transaction, the insider beneficially owned 29,363.427 derivative securities, held directly.

What was the transaction code and conversion price for LNT’s Form 4?

The transaction was coded A (acquisition) with a $0 conversion price for the deferred units.

Did the LNT filing mention dividend-related adjustments?

Yes. It includes adjustments for accrued dividends under a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11.

What type of security did the LNT insider acquire?

The insider acquired deferred common stock units that correspond to shares of Alliant Energy common stock.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 10/14/2025 - 02:16 PM Learn about SEC filing dates

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).

1. Name and Address of Reporting Person^*

Newport Roger K

(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)
10/10/2025

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	10/10/2025	10/10/2025	A		802.583		(1)	(1)	Common Stock	802.583	$67.75	29,363.427(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	10/14/2025
	** 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.