# EDGAR Filing Document

**Accession Number:** 0001687509
**File Stem:** 0000902664-25-002832
**Filing Date:** 2025-6
**Character Count:** 18776
**Document Hash:** 71dfac3c354978d4ca24ac8b10193c23
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000902664-25-002832.hdr.sgml**: 20250627

**ACCESSION NUMBER**: 0000902664-25-002832

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250625

**FILED AS OF DATE**: 20250627

**DATE AS OF CHANGE**: 20250627

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Rubric Capital Management LP
- **CENTRAL INDEX KEY:** 0001687509

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-37388
- **FILM NUMBER:** 251088385

**BUSINESS ADDRESS:**
- **STREET 1:** 155 EAST 44TH ST, SUITE 1630
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10017
- **BUSINESS PHONE:** 2124181881

**MAIL ADDRESS:**
- **STREET 1:** 155 EAST 44TH ST, SUITE 1630
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10017
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Rosen David Efraim
- **CENTRAL INDEX KEY:** 0001898677

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-37388
- **FILM NUMBER:** 251088384

**MAIL ADDRESS:**
- **STREET 1:** 155 EAST 44TH ST., SUITE 1630
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10017
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Talen Energy Corp
- **CENTRAL INDEX KEY:** 0001622536
- **STANDARD INDUSTRIAL CLASSIFICATION:** ELECTRIC SERVICES [4911]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 471197305
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 2929 ALLEN PKWY, SUITE 2200
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77019
- **BUSINESS PHONE:** 888-211-6011

**MAIL ADDRESS:**
- **STREET 1:** 2929 ALLEN PKWY, SUITE 2200
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77019

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[x] 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**<sup>*</sup><br>Rubric Capital Management LP<br><sub>(Last) (First) (Middle)</sub><br>155 EAST 44TH ST, SUITE 1630<br><sub>(Street)</sub><br>NEW YORK, NY 10017<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-06-25 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Talen Energy Corp [ TLN ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Rosen David Efraim<br><sub>(Last) (First) (Middle)</sub><br>155 EAST 44TH ST., SUITE 1630<br><sub>(Street)</sub><br>NEW YORK, NY 10017<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-06-25 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Talen Energy Corp [ TLN ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock, par value $0.001 per share ("Common Stock") | 2025-06-25 |  | S |  | 44343 | D | 288.5476<sup>(3)</sup> | 6079157 | I | See footnotes<sup>(1)(2)</sup> |
| Common Stock | 2025-06-25 |  | S |  | 6429 | D | 289.2463<sup>(4)</sup> | 6072728 | I | See footnotes<sup>(1)(2)</sup> |
| Common Stock | 2025-06-25 |  | S |  | 200 | D | $290.49 | 6072528 | I | See footnotes<sup>(1)(2)</sup> |
| Common Stock | 2025-06-25 |  | S |  | 16759 | D | 292.4978<sup>(5)</sup> | 6055769 | I | See footnotes<sup>(1)(2)</sup> |
| Common Stock | 2025-06-25 |  | S |  | 21552 | D | 293.6267<sup>(6)</sup> | 6034217 | I | See footnotes<sup>(1)(2)</sup> |
| Common Stock | 2025-06-25 |  | S |  | 13973 | D | 294.4712<sup>(7)</sup> | 6020244 | I | See footnotes<sup>(1)(2)</sup> |
| Common Stock | 2025-06-25 |  | S |  | 4957 | D | 295.1766<sup>(8)</sup> | 6015287 | I | See footnotes<sup>(1)(2)</sup> |
| Common Stock | 2025-06-25 |  | S |  | 100 | D | $297.14 | 6015187 | I | See footnotes<sup>(1)(2)</sup> |
| Common Stock | 2025-06-26 |  | S |  | 1321 | D | 289.4592<sup>(9)</sup> | 6013866 | I | See footnotes<sup>(1)(2)</sup> |
| Common Stock | 2025-06-26 |  | S |  | 18927 | D | 290.1862<sup>(10)</sup> | 5994939 | I | See footnotes<sup>(1)(2)</sup> |
| Common Stock | 2025-06-26 |  | S |  | 15824 | D | 291.084<sup>(11)</sup> | 5979115 | I | See footnotes<sup>(1)(2)</sup> |
| Common Stock | 2025-06-26 |  | S |  | 33121 | D | 292.1868<sup>(12)</sup> | 5945994 | I | See footnotes<sup>(1)(2)</sup> |
| Common Stock | 2025-06-26 |  | S |  | 32924 | D | 293.3438<sup>(13)</sup> | 5913070 | I | See footnotes<sup>(1)(2)</sup> |
| Common Stock | 2025-06-26 |  | S |  | 100 | D | $294 | 5912970 | I | See footnotes<sup>(1)(2)</sup> |
| Common Stock | 2025-06-27 |  | S |  | 7950 | D | 292.8183<sup>(14)</sup> | 5905020 | I | See footnotes<sup>(1)(2)</sup> |
| Common Stock | 2025-06-27 |  | S |  | 2365 | D | 293.3363<sup>(15)</sup> | 5902655 | I | See footnotes<sup>(1)(2)</sup> |
| Common Stock | 2025-06-27 |  | S |  | 12290 | D | 294.6545<sup>(16)</sup> | 5890365 | I | See footnotes<sup>(1)(2)</sup> |
| Common Stock | 2025-06-27 |  | S |  | 51810 | D | 295.6241<sup>(17)</sup> | 5838555 | I | See footnotes<sup>(1)(2)</sup> |
| Common Stock | 2025-06-27 |  | S |  | 76545 | D | 296.3781<sup>(18)</sup> | 5762010 | I | See footnotes<sup>(1)(2)</sup> |
| Common Stock | 2025-06-27 |  | S |  | 25903 | D | 297.6954<sup>(19)</sup> | 5736107 | I | See footnotes<sup>(1)(2)</sup> |
| Common Stock | 2025-06-27 |  | S |  | 1137 | D | 298.1389<sup>(20)</sup> | 5734970 | I | See footnotes<sup>(1)(2)</sup> |
| Common Stock | 2025-06-27 |  | J<sup>(21)</sup> |  | 1281839 | D | <sup>(21)</sup> | 4453131 | I | See footnotes<sup>(1)(2)</sup> |
| Common Stock |  |  |  |  |  |  |  | 52171 | D<sup>(2)(22)</sup> |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

---

### Footnotes:

(1) This Form 4 is filed by Rubric Capital Management LP ("Rubric Capital") and Mr. David Rosen, with respect to the securities held by certain funds and/or accounts (collectively, the "Rubric Vehicles"). Rubric Capital serves as the investment adviser to the Rubric Vehicles. Mr. David Rosen serves as the Managing Member of Rubric Capital Management GP, LLC, the general partner of Rubric Capital.

(2) The filing of this statement shall not be deemed an admission that any Reporting Person is the beneficial owner of the securities reported herein for purposes of Section 16 of the Securities Act of 1934, as amended, or otherwise. Each Reporting Person expressly disclaims beneficial ownership of the securities reported herein except to the extent of its or his pecuniary interest therein.

(3) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $288 to $289, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

(4) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $289.01 to $289.86, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

(5) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $292 to $292.93, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

(6) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $293.08 to $294.08, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

(7) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $294.09 to $295.09, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

(8) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $295.12 to $295.37, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

(9) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $288.82 to $289.72, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

(10) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $289.825 to $290.785, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

(11) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $290.89 to $291.635, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

(12) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $291.91 to $292.9, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

(13) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $292.94 to $293.89, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

(14) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $292.00 to $292.985, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

(15) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $293.01 to $294.00, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

(16) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $294.02 to $295.02, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

(17) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $295.025 to $296.02, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

(18) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $296.03 to $297.03, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

(19) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $297.05 to $298.05, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

(20) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $298.08 to $298.205, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

(21) This transaction represents a pro-rata in-kind distribution to limited partners for no consideration (the "Pro-Rata Distribution").

(22) Securities directly held by Mr. David Rosen. The securities were distributed to Mr. David Rosen in the Pro-Rata Distribution.

**Signature:** Rubric Capital Management LP, By: /s/ Michael Nachmani, its Chief Operating Officer  
**Date:** 2025-06-27

**Signature:** /s/ David Rosen  
**Date:** 2025-06-27

### Remarks:

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.**