Thomas K. Lane - 02 Jan 2026 Form 4 Insider Report for WEC ENERGY GROUP, INC. (WEC)

Role: Director
Signature: Joshua M. Erickson, as attorney in fact
Issuer symbol: WEC
Transactions as of: 02 Jan 2026
Net transactions value: $0
Form type: 4
Filing time: 06 Jan 2026, 18:57:32 UTC
Previous filing: 09 Oct 2025
Next filing: 12 Jan 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Lane Thomas K	Director	231 WEST MICHIGAN STREET, MILWAUKEE	Joshua M. Erickson, as attorney in fact	06 Jan 2026	0001558300

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	WEC	Common Stock	Award	$0	+1,603	+45%	$0.000000	5,184	02 Jan 2026	Direct	F1
transaction	WEC	Common Stock	Disposed to Issuer		-1,750	-34%		3,434	02 Jan 2026	Direct	F1, F2
holding	WEC	Common Stock						7,715	02 Jan 2026	By LLC	F3
holding	WEC	Common Stock						15	02 Jan 2026	By spouse's revocable trust
holding	WEC	Common Stock						15	02 Jan 2026	By revocable trust
holding	WEC	Common Stock						15	02 Jan 2026	By family trust	F4

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	Phantom Stock Units	Award		+1,750	+12%		16,913	02 Jan 2026	Common Stock	1,750		Direct	F2, F5, F6, F7

* 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	In connection with the vesting of restricted stock granted to the reporting person on January 2, 2025, the reporting person deferred receipt of 1,749.6114, shares of common stock and instead received 1,749.6114 phantom stock units pursuant to the Directors Deferred Compensation Plan (DDCP). As a result, the reporting person is reporting the disposition of 1,749.6114 shares of common stock in exchange for an equal number of phantom stock units.
F3	These shares are owned by Lane Ventures LLC, which is owned by the 2019 Lane GST Exempt Trust and another family trust; both trusts are for the benefit of the reporting person's immediate family members. The reporting person's spouse is a trustee of both trusts. The reporting person disclaims beneficial ownership of these securities, and the filing of this report is not an admission that the reporting person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.
F4	These shares are held by the 2019 Lane GST Exempt Trust for the benefit of the reporting person's immediate family members. The reporting person disclaims beneficial ownership of these securities, and the filing of this report is not an admission that the reporting person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.
F5	One-for-one.
F6	These phantom stock units were accrued under the DDCP and are to be settled in accordance with the terms of the plan.
F7	Includes phantom stock units accrued pursuant to a dividend reinvestment feature of the DDCP in transactions exempt from Section 16 pursuant to Rule 16a-11.