Alliant Energy CFO reports stock grants, tax withholding

Alliant Energy Corp EVP and CFO Robert J. Durian reported equity compensation changes in common stock.

Rhea-AI Filing Summary

Alliant Energy Corp EVP and CFO Robert J. Durian reported equity compensation changes in common stock. On February 19, 2026, he acquired 27,882 shares and 5,950 shares through grant or award transactions at a stated price of $0.00 per share, including restricted stock units that convert one-for-one into common stock and vest on December 31, 2028.

On the same date, 16,630 shares were disposed of at $70.0100 per share to satisfy tax liabilities by delivering shares. After these transactions, he directly owned 157,125.879 common shares, and indirectly held 5,608.293 shares through a 401(k) plan, with adjustments that include accrued dividends via dividend reinvestment.

Insights

Equity compensation analyst

Routine equity awards offset by tax-share withholding; net effect is administrative.

The EVP and CFO of Alliant Energy Corp reported stock-based compensation activity consisting of two common stock grants and a tax withholding disposition. These are labeled as grants or awards at a stated price of $0.00 per share, which is typical for equity compensation.

A portion of the shares, 16,630, was delivered at $70.0100 per share to cover tax obligations, a non-open-market disposition that does not reflect discretionary selling. The filing also notes restricted stock units vesting on December 31, 2028 and 401(k) holdings, indicating long-term aligned incentives.

Overall, these transactions appear to be standard compensation and tax-management mechanics rather than a directional bet on Alliant Energy stock, so they are generally viewed as administratively neutral from an investment thesis standpoint.

Insider Trade Summary

4 transactions reported

Mixed 4 txns

Insider DURIAN ROBERT J

Role EVP and CFO

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	27,882	$0.00	$0.00
Grant/Award	Common Stock	5,950	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	16,630	$70.01	$1.16M
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 157,125.879 shares (Direct); Common Stock — 5,608.293 shares (Indirect, By 401(k) Plan)

Footnotes (3)

1. F1. Includes adjustments for accrued dividends, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11.
2. F2. 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. F3. Reflects 401(k) holdings as of this filing date.

FAQ

What insider transactions did Alliant Energy (LNT) report for its CFO on February 19, 2026?

On February 19, 2026, Alliant Energy’s EVP and CFO Robert J. Durian reported two common stock grants totaling 27,882 and 5,950 shares, plus a disposition of 16,630 shares to satisfy tax obligations by delivering shares rather than conducting an open-market sale.

Were Robert J. Durian’s Form 4 transactions in LNT open-market buys or sells?

The reported transactions were grants or awards and a tax-withholding disposition, not open-market buys or sells. Shares were awarded at a stated price of $0.00 and some were delivered at $70.0100 per share to pay tax liabilities associated with the equity compensation.

How many Alliant Energy shares does the CFO hold after the reported Form 4 transactions?

After the February 19, 2026 transactions, Robert J. Durian directly held 157,125.879 shares of Alliant Energy common stock and indirectly held 5,608.293 shares through a 401(k) plan, as reflected in the filing’s post-transaction ownership figures.

What do the restricted stock unit awards for Alliant Energy’s CFO look like?

The filing notes restricted stock units that convert to Alliant Energy common stock on a one-to-one basis when vested. These RSUs are scheduled to vest on December 31, 2028, providing long-term equity-based compensation aligned with the company’s future performance horizon.

How were dividends and 401(k) holdings treated in the Alliant Energy Form 4?

The Form 4 states that adjustments include accrued dividends through a dividend reinvestment transaction exempt under Rule 16a-11. It also reports 401(k) plan holdings of 5,608.293 shares as of the filing date, categorized as indirect ownership by a 401(k) plan.

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

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Accepted by SEC EDGAR 02/23/2026 - 07:12 PM Learn about SEC filing dates

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

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

DURIAN ROBERT J

(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)
	EVP and CFO

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		27,882	A	$0	167,805.879(1)	D
Common Stock	02/19/2026		A		5,950(2)	A	$0	173,755.879	D
Common Stock	02/19/2026		F		16,630	D	$70.01	157,125.879	D
Common Stock								5,608.293(3)	I	By 401(k) Plan

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.