Alliant Energy director awarded 769 deferred stock units

Newport Roger K reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Newport Roger K reported acquisition or exercise transactions in this Form 4 filing.

ALLIANT ENERGY CORP director Roger K. Newport received a grant of 769.494 Deferred Common Stock Units tied to company common stock. The units were valued at $73.10 per unit and increase his holdings to 31,445.967 deferred units following the transaction.

The units will be settled in shares of common stock when he terminates service as a director, meaning he does not receive actual shares or cash now. The filing notes the balance also reflects adjustments for accrued dividends through a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11.

Insider Trade Summary

Grant/Award: 769.494 shares

Grant/Award 1 txn

Insider Newport Roger K

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Deferred Common Stock Units	769.494	$73.10	$56K

Holdings After Transaction: Deferred Common Stock Units — 31,445.967 contracts (Direct)

Footnotes (2)

1. F1. Units are to be settled in shares of common stock upon the reporting person's termination of services as a director.
2. F2. Includes adjustments for accrued dividends, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11.

Key Figures

Deferred units granted: 769.494 units Reporting price per unit: $73.10 per unit Deferred units after transaction: 31,445.967 units +1 more

4 metrics

Deferred units granted 769.494 units Deferred Common Stock Units granted on 2026-04-10

Reporting price per unit $73.10 per unit Value used for the deferred unit grant

Deferred units after transaction 31,445.967 units Total Deferred Common Stock Units held following grant

Underlying common stock units 769.494 shares Common stock underlying the newly granted deferred units

Key Terms

Deferred Common Stock Units, dividend reinvestment transaction, Section 16, Rule 16a-11

4 terms

Deferred Common Stock Units financial

"security_title: "Deferred Common Stock Units""

Deferred common stock units are promises to deliver company shares or cash tied to the company’s stock value at a later date, typically used as part of employee or executive pay. Think of them like a paycheck you elect to receive in company stock at a future date; they can affect the number of shares outstanding and company expenses, so investors watch them for potential dilution and to understand management’s incentives.

dividend reinvestment transaction financial

"Includes adjustments for accrued dividends, pursuant to a dividend reinvestment transaction exempt"

A dividend reinvestment transaction is when an investor uses cash dividends paid by a company to automatically buy more of that company's shares instead of taking the money as cash. Like choosing to roll interest back into a savings account, it increases your share count over time and can speed up growth through compounding, so investors care because it changes ownership stake, long‑term returns, and sometimes tax or record‑keeping implications.

Section 16 regulatory

"dividend reinvestment transaction exempt from Section 16 under Rule 16a-11"

Section 16 is a U.S. securities law rule that governs the trading and disclosure obligations of company insiders — typically officers, directors and large shareholders — to promote transparency and deter unfair profit-taking. It requires insiders to publicly report their stock trades and allows companies or the issuer to reclaim quick, short-term profits from certain insider trades, like a scoreboard and a refund policy that help investors see and limit possible insider advantage.

Rule 16a-11 regulatory

"dividend reinvestment transaction exempt from Section 16 under Rule 16a-11"

FAQ

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

What did Alliant Energy (LNT) director Roger K. Newport report on this Form 4?

Roger K. Newport reported receiving 769.494 Deferred Common Stock Units as a compensation grant. These units are linked to Alliant Energy common stock and increase his deferred holdings to 31,445.967 units, rather than reflecting an open-market purchase or sale of shares.

Is the Roger K. Newport Form 4 for Alliant Energy (LNT) a stock purchase or sale?

This Form 4 does not show a stock purchase or sale in the market. It records a grant of 769.494 Deferred Common Stock Units as compensation, which will later convert into shares when Newport’s service as a director ends.

How many Alliant Energy (LNT) deferred units does Roger K. Newport hold after this transaction?

After this award, Roger K. Newport holds 31,445.967 Deferred Common Stock Units. This total includes the newly granted 769.494 units and prior holdings, along with adjustments for accrued dividends via a dividend reinvestment transaction described in the filing.

At what price were the new Deferred Common Stock Units for Alliant Energy (LNT) valued?

The 769.494 Deferred Common Stock Units were valued at $73.10 per unit for reporting purposes. This price is used to calculate the transaction’s notional value, even though the units will only be settled in common shares at the end of Newport’s board service.

When will Roger K. Newport receive Alliant Energy (LNT) shares from these deferred units?

The filing states that the Deferred Common Stock Units will be settled in shares of common stock upon Newport’s termination of service as a director. Until then, they remain as deferred units, rather than immediately deliverable shares or cash.

What do the dividend adjustments mentioned in the Alliant Energy (LNT) Form 4 mean?

The filing notes that the deferred unit balance includes adjustments for accrued dividends. These arise from a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11, effectively crediting additional fractional units in line with dividends paid on common stock.

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

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Accepted by SEC EDGAR 04/14/2026 - 04:16 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^*

Newport Roger K

(Last) (First) (Middle)

C/O ALLIANT ENERGY CORPORATION

4902 N. BILTMORE LANE

(Street)

MADISON WISCONSIN 53718

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/10/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	04/10/2026	04/10/2026	A		769.494		(1)	(1)	Common Stock	769.494	$73.1	31,445.967(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/ Omar N. Chaudhary, Attorney-in-Fact	04/14/2026
	** 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.
* Form 4: SEC 1474 (03-26)