Molly A. Mulroy - 01 Aug 2025 Form 4 Insider Report for WEC ENERGY GROUP, INC. (WEC)

Role: EVP & Chief Admin Officer
Signature: Joshua M. Erickson, as attorney in fact
Issuer symbol: WEC
Transactions as of: 01 Aug 2025
Net transactions value: -$239,383
Form type: 4
Filing time: 05 Aug 2025, 17:01:45 UTC
Previous filing: 02 Oct 2025
Next filing: 06 Jan 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Mulroy Molly A	EVP & Chief Admin Officer	231 WEST MICHIGAN STREET, MILWAUKEE	Joshua M. Erickson, as attorney in fact	05 Aug 2025	0001875170

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	WEC	Common Stock	Options Exercise	$205,228	+4,030	+69%	$50.92	9,859	01 Aug 2025	Direct	F1
transaction	WEC	Common Stock	Sale	$444,611	-4,030	-41%	$110.33	5,829	01 Aug 2025	Direct	F1, F2
holding	WEC	Common Stock						3,330	01 Aug 2025	By revocable trust
holding	WEC	Common Stock						4,321	01 Aug 2025	ERSP	F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	WEC	Stock Option (right to buy)	Options Exercise	$0	-4,030	-100%	$0.000000	0	01 Aug 2025	Common Stock	4,030	$50.92	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Includes shares acquired pursuant to dividend reinvestment in transactions exempt from Section 16 pursuant to Rule 16a-11.
F2	This price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $110.21 to $110.43, inclusive. The reporting person undertakes to provide to WEC Energy Group (WEC), any security holder of WEC, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within such range.
F3	Includes shares acquired under WEC Energy Group, Inc.'s Employee Retirement Savings Plan (ERSP) in transactions exempt from Section 16(b) pursuant to Rule 16b-3(c) and exempt from reporting pursuant to Rule 16a-3(f)(1)(i)(B). The number of shares in the ERSP attributable to any one participant varies with the price of the Common Stock. The information in this report is based on a plan statement dated as of July 31, 2025.