Alliant Energy (LNT) VP reports stock grants and tax-withholding share disposal

Rhea-AI Filing Summary

Alliant Energy vice president Mayuri Farlinger reported several equity award-related transactions in company common stock. On February 19, 2026, she acquired 3,026 shares and 1,098 shares through grant or award transactions at a stated price of $0.00 per share, increasing her direct holdings. She also disposed of 1,179 shares at $70.01 per share to cover tax obligations by delivering shares, a non-open-market, tax-withholding transaction. Following these transactions, she held 10,431.620 shares directly and 9,657.414 shares indirectly through a 401(k) plan, which reflects plan holdings as of the filing date. A portion of the awards represents restricted stock units that convert into common stock on a one-to-one basis and are scheduled to vest on December 31, 2028.

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^*

Farlinger Mayuri

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
02/19/2026

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
Common Stock	02/19/2026		A		3,026	A	$0	10,512.62(1)	D
Common Stock	02/19/2026		A		1,098(2)	A	$0	11,610.62	D
Common Stock	02/19/2026		F		1,179	D	$70.01	10,431.62	D
Common Stock								9,657.414(3)	I	By 401k

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

Explanation of Responses:

1. Includes adjustments for accrued dividends, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11.

2. Represents restricted stock units (RSUs) which are converted to common stock on a one-to-one basis when vested. The RSUs vest on December 31, 2028.

3. Reflects 401(k) holdings as of this filing date.

Remarks:

	/s/ Jake C. Blavat, Attorney-in-Fact	02/23/2026
	** 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 transactions did Alliant Energy (LNT) report for Mayuri Farlinger?

Alliant Energy reported that vice president Mayuri Farlinger received two equity grants totaling 4,124 shares of common stock and disposed of 1,179 shares to satisfy tax obligations. These are award and tax-withholding transactions, not open-market purchases or sales.

Were Mayuri Farlinger’s Alliant Energy (LNT) Form 4 transactions open-market trades?

The Form 4 shows no open-market trades. Shares were acquired via grants at $0.00 and disposed through a tax-withholding transaction at $70.01. This indicates compensation- and tax-related activity rather than discretionary market buying or selling.

How many Alliant Energy (LNT) shares does Mayuri Farlinger hold after these transactions?

After the reported transactions, Mayuri Farlinger directly holds 10,431.620 Alliant Energy common shares and indirectly holds 9,657.414 shares through a 401(k) plan. These figures reflect her beneficial ownership as of the filing date, combining both direct and retirement-plan holdings.

What is the nature of the equity awards granted to Mayuri Farlinger at Alliant Energy (LNT)?

The filing describes part of the awards as restricted stock units (RSUs) that convert into common stock on a one-to-one basis upon vesting. These RSUs are scheduled to vest on December 31, 2028, aligning compensation with longer-term service and company performance.

Why did Alliant Energy (LNT) report a tax-withholding disposition for Mayuri Farlinger?

The Form 4 includes a transaction coded F, described as payment of tax liability by delivering securities. Farlinger disposed of 1,179 shares at $70.01 per share to cover taxes related to equity awards, a common administrative step in stock-based compensation programs.

How are 401(k) holdings treated in Mayuri Farlinger’s Alliant Energy (LNT) Form 4?

The filing lists 9,657.414 Alliant Energy shares as indirectly owned "by 401k." A footnote explains this amount reflects 401(k) holdings as of the filing date, showing retirement-plan exposure to company stock separate from directly held shares.