Talen Energy SVP awarded 2026 RSU and PSU grants

Casulli Edward T. reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Casulli Edward T. reported acquisition or exercise transactions in this Form 4 filing.

Talen Energy Corp executive Edward T. Casulli, SVP & Chief Nuclear Officer, reported equity awards in the form of restricted stock units. He received 3,577 time-based RSUs tied to 2026, which are scheduled to vest in tranches in 2027, 2028, and 2029, subject to continued service.

He also received 10,730 performance-based RSUs for 2026. These units can vest in 2028 and 2029 only if both continued service and specified performance goals are met, with actual vesting ranging from 0% up to 200% of the target award. Each unit represents a right to one Talen Energy common share or a cash equivalent.

Insider Trade Summary

Grant/Award: 14,307 shares

Grant/Award 2 txns

Insider Casulli Edward T.

Role SVP & Chief Nuclear Officer

Type	Security	Shares	Price	Value
Grant/Award	2026 Restricted Stock Units	3,577	$0.00	$0.00
Grant/Award	2026 Performance-Based Restricted Stock Units	10,730	$0.00	$0.00

Holdings After Transaction: 2026 Restricted Stock Units — 3,577 contracts (Direct); 2026 Performance-Based Restricted Stock Units — 10,730 contracts (Direct)

Footnotes (4)

1. F1. Each Restricted Stock Unit ("RSU") was issued under the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan") and represents a contingent right to receive one share of common stock, par value $0.001 ("common stock"), of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors (the "Committee") pursuant to the terms of the Plan.
2. F2. Represents 1,430 RSUs that will vest on February 25, 2027, 1,431 RSUs that will vest on February 25, 2028 and 716 RSUs that will vest on February 25, 2029, in each case subject to the reporting person's continued service.
3. F3. Each Performance-Based Restricted Stock Unit ("PSU") was issued under the Plan and represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by the Committee pursuant to the terms of the Plan.
4. F4. Represents PSUs that will vest subject to the reporting person's (i) continued service and (ii) achievement of applicable performance goals. 4,292 of the PSUs will be eligible to vest based on performance as of February 25, 2028 and 6,438 of the PSUs will be eligible to vest based on performance as of February 25, 2029. The number of PSUs that vest can range from 0% to 200% of the target number of PSUs subject to the award, plus, if the maximum performance level is exceeded, an additional number of PSUs in an amount equal to the reporting person's proportionate share among the participating executive officers of 3% of the Company's market capitalization above the maximum performance level. The numbers of PSUs and shares of common stock in this row represent the maximum level of performance (or 200%) for each award.

FAQ

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

What insider transactions did Talen Energy (TLN) report for Edward T. Casulli?

Talen Energy reported that Edward T. Casulli received grants of restricted stock units, not open-market share purchases or sales. He was awarded 3,577 time-based RSUs and 10,730 performance-based RSUs for 2026, all under the company’s 2023 Equity Incentive Plan.

How many restricted stock units did Edward T. Casulli receive from Talen Energy (TLN)?

Edward T. Casulli received 3,577 time-based restricted stock units plus 10,730 performance-based restricted stock units. Each unit represents a contingent right to receive one share of Talen Energy common stock or its cash equivalent, depending on decisions by the Compensation Committee at settlement.

What is the vesting schedule for Edward T. Casulli’s RSUs at Talen Energy (TLN)?

Of the 3,577 RSUs, 1,430 vest on February 25, 2027, 1,431 vest on February 25, 2028, and 716 vest on February 25, 2029. Vesting requires Mr. Casulli’s continued service with Talen Energy throughout the applicable periods.

How do the performance-based RSUs for Edward T. Casulli at Talen Energy (TLN) vest?

The performance-based RSUs vest only if performance goals and continued service conditions are met. 4,292 PSUs are eligible based on performance as of February 25, 2028, and 6,438 as of February 25, 2029, with payouts ranging from 0% to 200% of target.

Can Edward T. Casulli’s performance-based RSUs at Talen Energy (TLN) exceed 200% of target?

The award allows vesting from 0% to 200% of target PSUs, and if maximum performance is exceeded, additional PSUs may be earned. The extra PSUs equal his proportionate share of 3% of Talen Energy’s market capitalization above the maximum performance level.

Do Edward T. Casulli’s RSU and PSU awards at Talen Energy (TLN) settle in stock or cash?

Each RSU and PSU represents a right to receive either one share of Talen Energy common stock or its cash equivalent. The Compensation Committee decides the settlement form at the time of settlement, in line with the terms of the 2023 Equity Incentive Plan.

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

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Accepted by SEC EDGAR 03/02/2026 - 05:47 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^*

Casulli Edward T.

(Last) (First) (Middle)

2929 ALLEN PKWY

SUITE 2200

(Street)

HOUSTON TX 77019

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Talen Energy Corp [ TLN ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP & Chief Nuclear Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/26/2026

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

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
2026 Restricted Stock Units	(1)	02/26/2026		A		3,577		(2)	(2)	Common Stock	3,577	$0	3,577	D
2026 Performance-Based Restricted Stock Units	(3)	02/26/2026		A		10,730		(4)	(4)	Common Stock	10,730	$0	10,730	D

Explanation of Responses:

1. Each Restricted Stock Unit ("RSU") was issued under the Talen Energy Corporation 2023 Equity Incentive Plan (the "Plan") and represents a contingent right to receive one share of common stock, par value $0.001 ("common stock"), of Talen Energy Corporation (the "Company") or its cash equivalent, as determined at the time of settlement by the Compensation Committee of the Company's Board of Directors (the "Committee") pursuant to the terms of the Plan.

2. Represents 1,430 RSUs that will vest on February 25, 2027, 1,431 RSUs that will vest on February 25, 2028 and 716 RSUs that will vest on February 25, 2029, in each case subject to the reporting person's continued service.

3. Each Performance-Based Restricted Stock Unit ("PSU") was issued under the Plan and represents a contingent right to receive one share of common stock or its cash equivalent, as determined at the time of settlement by the Committee pursuant to the terms of the Plan.

4. Represents PSUs that will vest subject to the reporting person's (i) continued service and (ii) achievement of applicable performance goals. 4,292 of the PSUs will be eligible to vest based on performance as of February 25, 2028 and 6,438 of the PSUs will be eligible to vest based on performance as of February 25, 2029. The number of PSUs that vest can range from 0% to 200% of the target number of PSUs subject to the award, plus, if the maximum performance level is exceeded, an additional number of PSUs in an amount equal to the reporting person's proportionate share among the participating executive officers of 3% of the Company's market capitalization above the maximum performance level. The numbers of PSUs and shares of common stock in this row represent the maximum level of performance (or 200%) for each award.

Remarks:

	/s/ John C. Wander, attorney-in-fact	03/02/2026
	** Signature of Reporting Person	Date
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