Talen Energy officer proposes sale of 3,303 shares

Available on EDGAR 11/12/2026 - 07:47 AM EST Accepted by SEC EDGAR 11/12/2026 - 07:47 AM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Talen Energy Corp (TLN) is the issuer named in a Form 144 notice reporting a proposed sale by its officer Edward Casulli of 3,303 common shares, with an approximate sale date of November 11, 2026. The notice gives an aggregate market value of 1,264,175.07. The shares were acquired from the issuer through restricted stock vesting on June 9, 2025, as compensation.

Key Figures

Common shares reported for sale: 3,303 shares Aggregate market value: 1,264,175.07 Common shares outstanding: 43,505,312 shares +2 more

5 metrics

Common shares reported for sale 3,303 shares Edward Casulli's proposed sale

Aggregate market value 1,264,175.07 Securities reported for sale

Common shares outstanding 43,505,312 shares Number stated in the notice

Approximate sale date November 11, 2026 Proposed sale of common shares

Acquisition date June 9, 2025 Restricted stock vesting

Key Terms

Restricted Stock Vesting, Aggregate Market Value, Shares Outstanding

3 terms

Restricted Stock Vesting financial

"Nature of Acquisition Transaction: Restricted Stock Vesting"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

Aggregate Market Value financial

"Aggregate Market Value"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

Shares Outstanding financial

"Number of Shares or Other Units Outstanding"

Shares outstanding are the total number of a company’s stock units held by all shareholders, including institutional investors and company insiders — think of them as the total number of slices of the company’s ownership pie. Investors use this number to calculate how much of the company each share represents, and it directly affects per-share measures like earnings per share, ownership percentage and valuation; when the slice count changes, an investor’s claim and the company’s per-share metrics change too.

FAQ

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

How many TLN shares did Edward Casulli report for sale?

Edward Casulli reported 3,303 common shares for sale, with an aggregate market value of 1,264,175.07.

When is Edward Casulli's TLN share sale expected, and how did he acquire the shares?

The approximate sale date is November 11, 2026. The shares were acquired from the issuer through restricted stock vesting on June 9, 2025, as compensation.

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

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Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0002102527
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Talen Energy Corp
SEC File Number	001-37388
Address of Issuer	2929 ALLEN PKWY, SUITE 2200 HOUSTON TEXAS 77019
Phone	281-203-5300
Name of Person for Whose Account the Securities are To Be Sold	Casulli Edward T.
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	3303	1264175.07	43505312	11/11/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	06/09/2025	Restricted Stock Vesting	Issuer			3303	06/09/2025	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	11/12/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Edward Casulli
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)