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Alliant Energy Corp (LNT) director receives deferred stock unit grant

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Cox Stephanie reported acquisition or exercise transactions in this Form 4 filing.

Alliant Energy Corp director Stephanie Cox received a grant of 523.5610 Deferred Common Stock Units on July 10, 2026. Each unit corresponds to one share of common stock, and the units will be settled in shares upon her termination of service as a director, bringing her total deferred units to 17,907.2040. The award amount includes adjustments for accrued dividends through a dividend reinvestment transaction.

Positive

  • None.

Negative

  • None.
Insider Cox Stephanie
Role Director
Type Security Shares Price Value
Grant/Award Deferred Common Stock Units 523.561 $76.40 $40K
Holdings After Transaction: Deferred Common Stock Units — 17,907.204 shares (Direct)
Footnotes (1)
  1. Units are to be settled in shares of common stock upon the reporting person's termination of services as a director. Includes adjustments for accrued dividends, pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11.
Deferred Units Granted 523.5610 units Grant of Deferred Common Stock Units to director on July 10, 2026
Transaction Price $76.4000 per unit Reference price reported for the Deferred Common Stock Units grant
Total Deferred Units After Grant 17,907.2040 units Director’s total Deferred Common Stock Units following the July 10, 2026 grant
Underlying Common Shares 523.5610 shares Common stock underlying the newly granted Deferred Common Stock Units
Conversion Price $0.0000 Conversion or exercise price for the Deferred Common Stock Units
Deferred Common Stock Units financial
"Security title is "Deferred Common Stock Units" granted to the director."
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."
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
"Transaction is exempt from Section 16 under Rule 16a-11."
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FAQ

What did Alliant Energy (LNT) report in Stephanie Cox's latest Form 4?

Alliant Energy reported that director Stephanie Cox received a grant of 523.5610 Deferred Common Stock Units on July 10, 2026. These units are linked to the company’s common stock and increase her total deferred holdings to 17,907.2040 units.

How many Deferred Common Stock Units did Stephanie Cox receive from Alliant Energy (LNT)?

Stephanie Cox received 523.5610 Deferred Common Stock Units from Alliant Energy. The same number of underlying common shares (523.5610) is associated with this grant, and the award also reflects adjustments for accrued dividends via dividend reinvestment.

When will Stephanie Cox’s deferred stock units at Alliant Energy (LNT) be settled?

Her Deferred Common Stock Units will be settled in shares of common stock upon her termination of services as a director. Until that event, the award remains in deferred unit form, accumulating adjustments for dividends through dividend reinvestment transactions.

What price is associated with Stephanie Cox’s deferred stock unit award at Alliant Energy (LNT)?

The reported transaction price for the award is $76.4000 per unit. While the conversion price is listed as $0.0000, the $76.4000 figure reflects the reference price used for reporting this grant of Deferred Common Stock Units.

How many deferred units does Stephanie Cox hold at Alliant Energy (LNT) after this award?

Following the reported grant, Stephanie Cox holds a total of 17,907.2040 Deferred Common Stock Units. This figure includes the new 523.5610-unit award as well as prior deferred holdings and adjustments from dividend reinvestment.

Do Stephanie Cox’s deferred stock units at Alliant Energy (LNT) include dividend reinvestments?

Yes. The reported holdings include adjustments for accrued dividends that were added through a dividend reinvestment transaction. That transaction is stated to be exempt from Section 16 reporting requirements under Rule 16a-11.
SEC Form 4
FORM 4UNITED 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*
Cox Stephanie

(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)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
07/10/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Deferred Common Stock Units$007/10/202607/10/2026A523.561 (1) (1)Common Stock523.561$76.417,907.204(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/ Jake C. Blavat, Attorney-in-Fact07/14/2026
** Signature of Reporting PersonDate
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)