Alliant Energy (LNT) director Manu Asthana reports 1,000-share stake

Rhea-AI Filing Summary

Alliant Energy Corp director Manu Asthana filed an initial ownership report showing holdings of common stock. The filing lists ownership of 1,000 shares of Alliant Energy common stock held directly. This Form 3 does not indicate any recent share purchases or sales, only current holdings.

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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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1. Name and Address of Reporting Person^*

Asthana Manu

(Last) (First) (Middle)

C/O ALLIANT ENERGY CORPORATION

4902 N. BILTMORE LANE

(Street)

MADISON WI 53718

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
02/23/2026

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

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

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

5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	1,000	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

Power of Attorney filed herewith.

	/s/ Jake C. Blavat, Attorney-in-Fact	03/04/2026
	** 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 5 (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.
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FAQ

What does Manu Asthana's Form 3 filing for Alliant Energy (LNT) show?

The Form 3 shows Manu Asthana, a director of Alliant Energy, reporting ownership of 1,000 shares of common stock. This is an initial statement of holdings, not a record of a new trade or recent transaction.

How many Alliant Energy (LNT) shares does director Manu Asthana report owning?

Manu Asthana reports owning 1,000 shares of Alliant Energy common stock. These shares are listed as held directly, reflecting his current stake as disclosed in the initial Form 3 ownership filing with the SEC.

Does Manu Asthana's Alliant Energy (LNT) Form 3 indicate a buy or sell transaction?

The Form 3 does not indicate a specific buy or sell transaction. It records Asthana’s ownership position, listing 1,000 common shares held directly, which is typical for an initial insider ownership statement rather than a trade report.

What type of security does Manu Asthana hold in Alliant Energy (LNT)?

The filing shows Manu Asthana holding Alliant Energy common stock. His reported position is 1,000 shares, held directly. No options, derivatives, or other security types are listed in this particular Form 3 ownership disclosure.

Is the ownership reported by Manu Asthana in Alliant Energy (LNT) direct or indirect?

The Form 3 identifies the 1,000 Alliant Energy common shares as held directly by Manu Asthana. The ownership code is “D,” indicating direct ownership rather than indirect holdings through a trust, partnership, or other affiliated entity.