Performance RSUs certified for FirstEnergy (NYSE: FE) CEO Brian Tierney

Rhea-AI Filing Summary

FirstEnergy Corp. Chairman, President and CEO Brian X. Tierney reported an acquisition of 227,592.972 performance-adjusted restricted stock units (RSUs) on February 11, 2026. These RSUs were originally granted on June 1, 2023 and their performance goals were certified by the board on that date.

The RSUs are scheduled to vest on March 1, 2026, generally contingent on Tierney’s continued service, and will be settled two-thirds in FirstEnergy common stock and one-third in cash. After the reported transactions, he beneficially owns 371,300.183 shares of common stock directly and an estimated 846.277 shares indirectly through the company’s 401(k) savings plan.

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

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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^*

TIERNEY BRIAN X

(Last) (First) (Middle)

341 WHITE POND DRIVE

(Street)

AKRON OH 44320

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
FIRSTENERGY CORP [ FE ]

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

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chairman, President and CEO

3. Date of Earliest Transaction (Month/Day/Year)
02/11/2026

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
Common Stock								371,300.183(1)	D
Common Stock								846.277(2)	I	By Savings Plan

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
RSU	(3)	02/11/2026		A		227,592.972		(3)	(3)	Common Stock	227,592.972	$0	227,592.972	D

Explanation of Responses:

1. Balance has been updated since the reporting person's last filed Form 4 to include shares acquired through dividend reinvestments.

2. FirstEnergy Corp.'s ("The Company") 401(k) Savings Plan ("401(k) Plan") includes a unitized fund invested in shares of common stock of the Company, in which the reporting person may invest, and includes dividend reinvestment and company match features. The number of shares reported as indirectly held in the 401(k) Plan in this row is an estimate of the number of shares of the Company's common stock held in the unitized stock fund since the reporting person's last filed Form 4 and as allocated to the reporting person's account as of January 31, 2026.

3. Represents performance-adjusted restricted stock units ("RSUs") granted on June 1, 2023, each of which represents a contingent right to receive an award payable 2/3 in Company common stock and 1/3 in cash following the vesting date. This Form 4 is being filed to report the satisfaction of the performance goals for the RSUs, as certified by the Company's Board of Directors on February 11, 2026. As a result, these RSUs will vest on March 1, 2026, generally subject to the reporting person's continued service.

	/s/ Mary M. Swann, attorney-in-fact	02/13/2026
	** 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).
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FAQ

What insider transaction did FirstEnergy (FE) report for Brian Tierney?

FirstEnergy reported that CEO Brian X. Tierney acquired 227,592.972 performance-adjusted RSUs on February 11, 2026. These units relate to a June 1, 2023 grant whose performance goals were certified by the board, triggering future vesting in stock and cash.

When will Brian Tierney’s new RSUs at FirstEnergy (FE) vest?

The performance-adjusted RSUs are scheduled to vest on March 1, 2026, subject to continued service. Upon vesting, the award will be paid two-thirds in FirstEnergy common stock and one-third in cash, reflecting satisfaction of previously set performance goals.

How many FirstEnergy (FE) shares does Brian Tierney now beneficially own?

After the reported transactions, Brian Tierney beneficially owns 371,300.183 FirstEnergy common shares directly. He also has an estimated 846.277 shares indirectly through the company’s 401(k) savings plan, which uses a unitized stock fund with dividend reinvestment and company match features.

What are the terms of Brian Tierney’s performance-adjusted RSUs at FirstEnergy (FE)?

The RSUs were granted June 1, 2023 and are performance-adjusted units tied to company goals. Each unit represents a contingent right to an award payable two-thirds in common stock and one-third in cash, following vesting and subject to continued service requirements.

How is Brian Tierney’s indirect ownership in FirstEnergy (FE) shares held?

His indirect ownership is through FirstEnergy’s 401(k) Savings Plan, which includes a unitized fund invested in company stock. The filing estimates 846.277 shares are allocated to his account as of January 31, 2026, reflecting dividend reinvestment and company match features.