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

Reporting relationship: Director
Issuer ticker: WEC
Reported as of: 02 Jan 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 06 Jan 2026, 18:57:32 UTC
Prior SEC filing: 09 Oct 2025
Next SEC filing: 12 Jan 2026
Source filing: View source filing
Reporting owner signature: Joshua M. Erickson, as attorney in fact

Key filing fact

Thomas K. Lane filed Form 4 for WEC ENERGY GROUP, INC. (WEC) on 06 Jan 2026.

Key facts

This page summarizes Thomas K. Lane's Form 4 filing for WEC ENERGY GROUP, INC. (WEC).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 06 Jan 2026, 18:57.

Change

Previous filing in this sequence was filed on 09 Oct 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001558300 Primary reporting owner

Lane Thomas K

Relationship: Director
Address: 231 WEST MICHIGAN STREET, MILWAUKEE
Signature: Joshua M. Erickson, as attorney in fact
Signature date: 06 Jan 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

WEC transaction

Common Stock

Award

Transaction value: $0
Shares: +1,603
Change %: +45%
Price: $0.000000
Shares after: 5,184
Date: 02 Jan 2026
Ownership: Direct
Footnotes: F1

WEC transaction

Common Stock

Disposed to Issuer

Transaction value
Shares: -1,750
Change %: -34%
Price
Shares after: 3,434
Date: 02 Jan 2026
Ownership: Direct
Footnotes: F1, F2

WEC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 7,715
Date: 02 Jan 2026
Ownership: By LLC
Footnotes: F3

WEC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 15
Date: 02 Jan 2026
Ownership: By spouse's revocable trust

WEC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 15
Date: 02 Jan 2026
Ownership: By revocable trust

WEC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 15
Date: 02 Jan 2026
Ownership: By family trust
Footnotes: F4

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

WEC transaction Derivative

Phantom Stock Units

Award

Transaction value
Shares: +1,750
Change %: +12%
Price
Shares after: 16,913
Date: 02 Jan 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 1,750
Exercise price
Footnotes: F2, F5, F6, F7

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 7 footnotes

Footnote F1

Includes shares acquired pursuant to dividend reinvestment in transactions exempt from Section 16 pursuant to Rule 16a-11.

Footnote 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.

Footnote 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.

Footnote 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.

Footnote F5

One-for-one.

Footnote F6

These phantom stock units were accrued under the DDCP and are to be settled in accordance with the terms of the plan.

Footnote 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.