Director Garcia gets deferred stock units at Alliant Energy (NYSE: LNT)

Rhea-AI Filing Summary

Alliant Energy Corporation director Michael Dennis Garcia reported a routine equity award. On January 9, 2026, he acquired 984.313 deferred common stock units of Alliant Energy at $65.02 per unit. After this transaction, he beneficially owned 24,700.844 deferred common stock units, held directly.

According to the disclosure, these deferred stock units will be settled in shares of Alliant Energy common stock when Garcia’s service as a director ends. The total includes adjustments for accrued dividends through a dividend reinvestment feature that is exempt from Section 16 under Rule 16a-11. No sales were reported in this filing.

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

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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^*

Garcia Michael Dennis

(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		984.313		(1)	(1)	Common Stock	984.313	$65.02	24,700.844(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.

FAQ

What insider transaction did Alliant Energy (LNT) director Michael Dennis Garcia report?

Director Michael Dennis Garcia reported acquiring 984.313 deferred common stock units of Alliant Energy on January 9, 2026 at $65.02 per unit.

How many Alliant Energy deferred stock units does Michael Dennis Garcia hold after this Form 4?

After the reported transaction, Michael Dennis Garcia beneficially owns 24,700.844 deferred common stock units of Alliant Energy.

When will Michael Dennis Garcia’s deferred common stock units in Alliant Energy be settled?

The filing states that the deferred common stock units will be settled in shares of Alliant Energy common stock upon Garcia’s termination of service as a director.

Does the Form 4 for Alliant Energy (LNT) include dividend-related adjustments to the director’s units?

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

Is Michael Dennis Garcia’s Alliant Energy equity position reported as directly or indirectly owned?

The Form 4 indicates his 24,700.844 deferred common stock units are held with direct ownership.

What type of security did Alliant Energy director Garcia acquire in this Form 4 filing?

He acquired Deferred Common Stock Units, a derivative security that represents the right to receive Alliant Energy common stock in the future.