Alliant Energy (LNT) director gets 576 deferred stock units on January 9 2026

Rhea-AI Filing Summary

Alliant Energy Corporation director Patrick E. Allen reported an award of deferred equity on January 9, 2026. He acquired 576.746 Deferred Common Stock Units at $65.02 per unit, bringing his total holdings of these derivative units to 44,665.768, held directly.

The deferred units are designed to be settled in shares of Alliant Energy common stock when Allen’s service as a director ends. The reported balance also reflects adjustments for accrued dividends through a dividend reinvestment mechanism that is exempt from Section 16 under Rule 16a-11.

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

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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^*

ALLEN PATRICK E

(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		576.746		(1)	(1)	Common Stock	576.746	$65.02	44,665.768(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).
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FAQ

What insider transaction did Alliant Energy (LNT) report for director Patrick E. Allen?

Director Patrick E. Allen reported the acquisition of 576.746 Deferred Common Stock Units of Alliant Energy on January 9, 2026, coded as an acquisition transaction.

At what price were the deferred stock units for Patrick E. Allen recorded at Alliant Energy (LNT)?

The 576.746 Deferred Common Stock Units were recorded at a reference price of $65.02 per unit.

How many deferred stock units does Patrick E. Allen hold after this transaction at Alliant Energy (LNT)?

Following the reported transaction, Patrick E. Allen beneficially owns 44,665.768 Deferred Common Stock Units, held directly.

When will Patrick E. Allen’s deferred units at Alliant Energy be settled into common stock?

The filing states that the deferred units are to be settled in shares of common stock upon the reporting person’s termination of services as a director.

Do Patrick E. Allen’s deferred units at Alliant Energy include dividend-related adjustments?

Yes. The total includes adjustments for accrued dividends, which arise from a dividend reinvestment transaction that is exempt from Section 16 under Rule 16a-11.

Is Patrick E. Allen’s ownership of Alliant Energy deferred units reported as direct or indirect?

The 44,665.768 Deferred Common Stock Units are reported as held under direct (D) ownership, with no separate indirect ownership entity disclosed.