Alliant Energy director adds deferred stock units

Alliant Energy Corp director Roger K. Newport reported acquiring 865.118 deferred common stock units on January 9, 2026.

Accepted by SEC EDGAR 01/12/2026 - 02:32 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Alliant Energy Corp director Roger K. Newport reported acquiring 865.118 deferred common stock units on January 9, 2026. The units were credited at a reference price of $65.02 per unit, increasing his holdings of deferred common stock units to 30,447.369, held directly. These deferred units are to be settled in shares of Alliant Energy common stock when he terminates his service as a director, and the reported balance includes adjustments for accrued dividends through a dividend reinvestment feature.

Insider Trade Summary

Grant/Award: 865.118 shares

Grant/Award 1 txn

Insider Newport Roger K

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Deferred Common Stock Units	865.118	$65.02	$56K

Holdings After Transaction: Deferred Common Stock Units — 30,447.369 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

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What insider transaction did Alliant Energy (LNT) report for Roger K. Newport?

Director Roger K. Newport reported the acquisition of 865.118 deferred common stock units of Alliant Energy Corp on January 9, 2026, as disclosed in a Form 4.

At what price were the new deferred common stock units credited to the Alliant Energy director?

The 865.118 deferred common stock units were credited at a reference price of $65.02 per unit.

How many deferred common stock units does Roger K. Newport now hold in Alliant Energy?

After the reported transaction, Roger K. Newport beneficially owns 30,447.369 deferred common stock units of Alliant Energy common stock, held directly.

When will the Alliant Energy deferred common stock units be settled into shares?

According to the filing, the deferred common stock units are to be settled in shares of Alliant Energy common stock upon the reporting person’s termination of services as a director.

Do the reported Alliant Energy deferred units include dividend-related adjustments?

Yes. The filing states that the reported amount includes adjustments for accrued dividends made through a dividend reinvestment transaction that is exempt from Section 16 under Rule 16a-11.

Is Roger K. Newport’s ownership in Alliant Energy reported as direct or indirect?

The Form 4 lists the 30,447.369 deferred common stock units as held with direct (D) ownership by Roger K. Newport.

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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^*

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)
01/09/2026

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	01/09/2026	01/09/2026	A		865.118		(1)	(1)	Common Stock	865.118	$65.02	30,447.369(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	01/12/2026
	** 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.