Alliant Energy VP reports 1,762.21 shares owned

Alliant Energy Corporation reported the initial shareholdings of a company officer.

Accepted by SEC EDGAR 01/15/2026 - 12:37 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Alliant Energy Corporation reported the initial shareholdings of a company officer. Vice President Rebecca C. Valcq filed a statement of beneficial ownership showing that she directly holds 1,762.21 shares of Alliant Energy common stock. This filing reflects her ownership position as of the event date of 01/05/2026 and indicates that these shares are held directly, with no indirect ownership reported. The filing also shows no derivative securities, such as options or warrants, listed for her at this time.

Insider Trade Summary

Holdings reported, no transactions

Holdings

Insider Valcq Rebecca C.

Role Vice President

Type	Security	Shares	Price	Value
Holding	Common Stock	--	--	--

Holdings: Common Stock — 1,762.21 shares (Direct)

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does this Form 3 filing for LNT show about insider ownership?

It shows that Vice President Rebecca C. Valcq has an initial reported beneficial ownership of 1,762.21 shares of Alliant Energy common stock held directly.

How many Alliant Energy (LNT) shares does Vice President Rebecca C. Valcq hold?

Vice President Rebecca C. Valcq reports beneficial ownership of 1,762.21 shares of Alliant Energy common stock following the reported event.

Are the reported Alliant Energy shares held directly or indirectly by the officer?

The 1,762.21 common shares are reported as held in direct ownership, with no nature of indirect beneficial ownership indicated.

Does the Alliant Energy vice president report any derivative securities on this Form 3?

No derivative securities are listed in Table II, so no options, warrants, or other derivative positions are reported for Rebecca C. Valcq in this filing.

What is the event date for this Alliant Energy (LNT) insider ownership report?

The date of the event requiring the statement is 01/05/2026, which anchors when the reported ownership of 1,762.21 common shares applied.

What is the role of the reporting person at Alliant Energy?

The reporting person, Rebecca C. Valcq, is identified as an officer of Alliant Energy Corporation with the title Vice President.

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

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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

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Valcq Rebecca C.

(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)
01/05/2026

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

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

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

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	1,762.21	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	01/15/2026
	** 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.
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.