[SCHEDULE 13G/A] FirstEnergy Corp. SEC Filing

Rhea-AI Filing Summary

Capital World Investors reports beneficial ownership of 78,489,719 shares of FirstEnergy, representing 13.6% of the approximately 577,126,184 shares believed to be outstanding. The filing states CWI holds sole voting power for 78,047,052 shares and sole dispositive power for 78,489,719. CWI is described as a division of Capital Research and Management Company and related investment management entities organized in Delaware.

The statement clarifies these shares are held in the ordinary course of business and were not acquired for the purpose of changing or influencing control of the issuer. This disclosure is material because it documents a large institutional stake and the specific allocation of voting and dispositive authority while disclaiming any intent to alter control.

Positive

• Material institutional stake: Ownership of 78,489,719 shares, equal to 13.6% of shares outstanding
• Clear voting/dispositive authority: 78,047,052 shares with sole voting power and 78,489,719 with sole dispositive power
• Held in ordinary course: Filing states shares are held in the ordinary course and not to change or influence control

Negative

• None.

Insights

Financial Analyst

TL;DR: CWI holds a material 13.6% stake with full dispositive power; disclosure is material but asserts no intent to seek control.

Capital World Investors' reported 78.49 million share position in FirstEnergy is a sizeable institutional holding that could meaningfully influence shareholder outcomes if exercised. The filing specifies both sole voting and sole dispositive power for nearly the full position, which signals centralized decision authority over these shares. However, the filer explicitly states the holdings are held in the ordinary course and not to change control, which moderates interpretation of near-term activist intent. For investors, the disclosure is impactful as a surveillance signal of concentrated ownership, but it does not itself indicate an active change in strategy.

Corporate Governance Expert

TL;DR: A large single institutional holder with sole voting power warrants governance attention despite the filer disclaiming control-seeking intent.

The schedule documents that an investment adviser division controls both voting and dispositive rights over a 13.6% block of FirstEnergy stock, which elevates the firm's relevance in governance matters such as proxy votes or board engagements. The filing's explicit declaration that the stake was not acquired to influence control reduces immediate takeover concerns, but the combination of size and sole voting authority makes ongoing monitoring advisable for governance stakeholders. The disclosure is therefore materially relevant to governance oversight without being an explicit control action.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 4)

FirstEnergy Corp.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

337932107

(CUSIP Number)

06/30/2025

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No. 337932107

1

Names of Reporting Persons

Capital World Investors

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 78,047,052.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 78,489,719.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

78,489,719.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

13.6 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: FirstEnergy Corp.
(b)	Address of issuer's principal executive offices: 341 White Pond Drive, Akron, OH 44320, United States of America
Item 2.
(a)	Name of person filing: Capital World Investors
(b)	Address or principal business office or, if none, residence: 333 SOUTH HOPE STREET, 55TH FLOOR, LOS ANGELES, CALIFORNIA 90071
(c)	Citizenship: N/A
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 337932107
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 78,489,719 ** **Capital World Investors ("CWI") is a division of Capital Research and Management Company ("CRMC"), as well as its investment management subsidiaries and affiliates Capital Bank and Trust Company, Capital International, Inc., Capital International Limited, Capital International Sarl, Capital International K.K., Capital Group Private Client Services, Inc., and Capital Group Investment Management Private Limited (together with CRMC, the "investment management entities"). CWI's divisions of each of the investment management entities collectively provide investment management services under the name "Capital World Investors." CWI is deemed to be the beneficial owner of 78,489,719 shares or 13.6% of the 577,126,184 shares believed to be outstanding.
(b)	Percent of class: 13.6 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 78,047,052
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 78,489,719
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Capital World Investors

Signature:	Timothy J. Moon
Name/Title:	Vice President and Senior Counsel, Capital Research and Management Company
Date:	08/04/2025

FAQ

How many FirstEnergy (FE) shares does Capital World Investors report owning?

The filing reports beneficial ownership of 78,489,719 shares of FirstEnergy.

What percentage of FirstEnergy does Capital World Investors own?

Capital World Investors' position represents 13.6% of the shares believed to be outstanding (~577,126,184 shares).

How much voting power does Capital World Investors have over FE shares?

CWI reports sole voting power for 78,047,052 shares and shared voting power of 0 shares.

Does the filing say Capital World Investors seeks to change control of FirstEnergy?

No. The filing states the shares are held in the ordinary course of business and were not acquired to change or influence control of the issuer.

What type of reporting person is Capital World Investors?

The filing classifies the reporting person as an Investment Adviser (IA) and describes CWI as a division of Capital Research and Management Company and related investment management entities.