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Mastoris William

Disclosed activity across 2 companies

Tapewire entity
84366
SEC CIK
0001893062

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
WEC ENERGY GROUP, INC.WEC · Entity 758Vice PresidentJanuary 03, 2025January 07, 2025
WISCONSIN ELECTRIC POWER COWELPP.OB · Entity 766DirectorNovember 01, 2021November 10, 2021

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

WEC ENERGY GROUP, INC.

Report date January 03, 2025 · Filed January 07, 2025

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect5,102 Reported balance After 2025-01-03 transaction · row 1
1 source row

Row 1 · 2025-01-03 · Tax withholding · Disposed 213 · Balance 5,102

Common StockSEC Table I · non-derivativeIndirectERSP3,184.2354 Reported balance Holding disclosure · report date 2025-01-03 · row 2 Holding and transaction disclosures are not merged.
1 source row

Row 2 · Balance 3,184.2354

F1: 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 December 31, 2024.

Filing footnotes · ownership attribution and instrument terms

F1: 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 December 31, 2024.

WISCONSIN ELECTRIC POWER CO

Report date November 01, 2021 · Filed November 10, 2021

This filing explicitly reported no securities owned.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
January 03, 2025 Filed Jan 7, 2025 20:17 UTC WEC ENERGY GROUP, INC. WEC · Entity 758 Tax withholdingCommon Stock 213 $94.18 $20,059.28
Disclosure

SEC source: 0000107815-25-000072 · wk-form4_1736281047.xml · nonDerivative · entry 1

Mastoris William · CIK 0001893062 · Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,102

Read SEC document
January 02, 2025 Filed Jan 7, 2025 00:20 UTC WEC ENERGY GROUP, INC. WEC · Entity 758 GrantStock Option (right to buy) · Derivative 4,870 $0.00 Strike: $94.55 $0.00
Disclosure

SEC source: 0000107815-25-000054 · wk-form4_1736209220.xml · derivative · entry 4

Mastoris William · CIK 0001893062 · Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,870

Underlying: Common Stock · 4,870 shares

Expires 2035-01-02

F2 · derivative.exercise_date: Options vest 100% on the date indicated.

Read SEC document
January 02, 2025 Filed Jan 7, 2025 00:20 UTC WEC ENERGY GROUP, INC. WEC · Entity 758 Tax withholdingCommon Stock 168 $94.55 $15,883.98
Disclosure

SEC source: 0000107815-25-000054 · wk-form4_1736209220.xml · nonDerivative · entry 2

Mastoris William · CIK 0001893062 · Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,315

Read SEC document
January 02, 2025 Filed Jan 7, 2025 00:20 UTC WEC ENERGY GROUP, INC. WEC · Entity 758 GrantCommon Stock 1,206 $0.00 $0.00
Disclosure

SEC source: 0000107815-25-000054 · wk-form4_1736209220.xml · nonDerivative · entry 1

Mastoris William · CIK 0001893062 · Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,483

Read SEC document
January 04, 2024 Filed Jan 8, 2024 19:16 UTC WEC ENERGY GROUP, INC. WEC · Entity 758 Tax withholdingCommon Stock 35 $86.23 $3,018.05
Disclosure

SEC source: 0000107815-24-000060 · wk-form4_1704741349.xml · nonDerivative · entry 1

Mastoris William · CIK 0001893062 · EVP-Cust. Svc. and Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,277

Read SEC document
January 03, 2024 Filed Jan 5, 2024 00:35 UTC WEC ENERGY GROUP, INC. WEC · Entity 758 Tax withholdingCommon Stock 213 $86.26 $18,372.85
Disclosure

SEC source: 0000107815-24-000035 · wk-form4_1704414935.xml · nonDerivative · entry 2

Mastoris William · CIK 0001893062 · EVP-Cust. Svc. and Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,312

Read SEC document
January 02, 2024 Filed Jan 5, 2024 00:35 UTC WEC ENERGY GROUP, INC. WEC · Entity 758 GrantStock Option (right to buy) · Derivative 5,731 $0.00 Strike: $85.05 $0.00
Disclosure

SEC source: 0000107815-24-000035 · wk-form4_1704414935.xml · derivative · entry 4

Mastoris William · CIK 0001893062 · EVP-Cust. Svc. and Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,731

Underlying: Common Stock · 5,731 shares

Expires 2034-01-02

F2 · derivative.exercise_date: Options vest 100% on the date indicated.

Read SEC document
January 02, 2024 Filed Jan 5, 2024 00:35 UTC WEC ENERGY GROUP, INC. WEC · Entity 758 GrantCommon Stock 1,345 $0.00 $0.00
Disclosure

SEC source: 0000107815-24-000035 · wk-form4_1704414935.xml · nonDerivative · entry 1

Mastoris William · CIK 0001893062 · EVP-Cust. Svc. and Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,525

Read SEC document
November 10, 2023 Filed Nov 14, 2023 16:51 UTC WEC ENERGY GROUP, INC. WEC · Entity 758 OtherPhantom Stock Units · Derivative 1,245.1749 $80.31 $100,000.00
Disclosure

SEC source: 0000107815-23-000238 · wk-form4_1699980652.xml · derivative · entry 1

Mastoris William · CIK 0001893062 · EVP-Cust. Svc. and Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,807.587

Underlying: Common Stock · 1,245.1749 shares

Expires not disclosed

F1 · derivative.exercise_price: One-for-one.

F2 · derivative.exercise_date: These phantom stock units were accrued under the WEC Energy Group, Inc. Executive Deferred Compensation Plan (EDCP) and are to be settled in accordance wit the terms of the plan.

F2 · derivative.expiration_date: These phantom stock units were accrued under the WEC Energy Group, Inc. Executive Deferred Compensation Plan (EDCP) and are to be settled in accordance wit the terms of the plan.

F3 · balance_after: Includes phantom stock units accrued pursuant to a dividend reinvestment feature of the EDCP on transactions exempt from Section 16 pursuant to Rule 16a-11.

Read SEC document
January 04, 2023 Filed Jan 6, 2023 22:19 UTC WEC ENERGY GROUP, INC. WEC · Entity 758 Tax withholdingCommon Stock 34 $94.79 $3,222.86
Disclosure

SEC source: 0000107815-23-000063 · wf-form4_167304353515974.xml · nonDerivative · entry 1

Mastoris William · CIK 0001893062 · EVP-Cust. Svc. and Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,180

Read SEC document
January 03, 2023 Filed Jan 6, 2023 02:32 UTC WEC ENERGY GROUP, INC. WEC · Entity 758 GrantStock Option (right to buy) · Derivative 5,685 $0.00 Strike: $93.69 $0.00
Disclosure

SEC source: 0000107815-23-000021 · wf-form4_167297233447269.xml · derivative · entry 4

Mastoris William · CIK 0001893062 · EVP-Cust. Svc. and Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,685

Underlying: Common Stock · 5,685 shares

Expires 2033-01-03

F2 · derivative.exercise_date: Options vest 100% on the date indicated.

Read SEC document
January 03, 2023 Filed Jan 6, 2023 02:32 UTC WEC ENERGY GROUP, INC. WEC · Entity 758 Tax withholdingCommon Stock 143 $93.69 $13,397.67
Disclosure

SEC source: 0000107815-23-000021 · wf-form4_167297233447269.xml · nonDerivative · entry 2

Mastoris William · CIK 0001893062 · EVP-Cust. Svc. and Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,214

Read SEC document
January 03, 2023 Filed Jan 6, 2023 02:32 UTC WEC ENERGY GROUP, INC. WEC · Entity 758 GrantCommon Stock 851 $0.00 $0.00
Disclosure

SEC source: 0000107815-23-000021 · wf-form4_167297233447269.xml · nonDerivative · entry 1

Mastoris William · CIK 0001893062 · EVP-Cust. Svc. and Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,357

Read SEC document
August 12, 2022 Filed Aug 15, 2022 22:29 UTC WEC ENERGY GROUP, INC. WEC · Entity 758 Exercise / conversionStock Option (right to buy) · Derivative 3,345 $0.00 Strike: $50.93 $0.00
Disclosure

SEC source: 0000107815-22-000275 · wf-form4_166060168310424.xml · derivative · entry 6

Mastoris William · CIK 0001893062 · EVP-Cust. Svc. and Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,345 shares

Expires 2026-01-04

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
August 12, 2022 Filed Aug 15, 2022 22:29 UTC WEC ENERGY GROUP, INC. WEC · Entity 758 Exercise / conversionStock Option (right to buy) · Derivative 1,345 $0.00 Strike: $52.90 $0.00
Disclosure

SEC source: 0000107815-22-000275 · wf-form4_166060168310424.xml · derivative · entry 5

Mastoris William · CIK 0001893062 · EVP-Cust. Svc. and Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,345 shares

Expires 2025-01-02

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
August 12, 2022 Filed Aug 15, 2022 22:29 UTC WEC ENERGY GROUP, INC. WEC · Entity 758 SaleCommon Stock 4,690 $105.04 $492,629.63
Disclosure

SEC source: 0000107815-22-000275 · wf-form4_166060168310424.xml · nonDerivative · entry 3

Mastoris William · CIK 0001893062 · EVP-Cust. Svc. and Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,506

F1 · price: This price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $104.97 to $105.11, 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.

Read SEC document
August 12, 2022 Filed Aug 15, 2022 22:29 UTC WEC ENERGY GROUP, INC. WEC · Entity 758 Exercise / conversionCommon Stock 3,345 $50.93 $170,344.13
Disclosure

SEC source: 0000107815-22-000275 · wf-form4_166060168310424.xml · nonDerivative · entry 2

Mastoris William · CIK 0001893062 · EVP-Cust. Svc. and Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,196

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
August 12, 2022 Filed Aug 15, 2022 22:29 UTC WEC ENERGY GROUP, INC. WEC · Entity 758 Exercise / conversionCommon Stock 1,345 $52.90 $71,143.78
Disclosure

SEC source: 0000107815-22-000275 · wf-form4_166060168310424.xml · nonDerivative · entry 1

Mastoris William · CIK 0001893062 · EVP-Cust. Svc. and Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,851

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
January 04, 2022 Filed Jan 6, 2022 23:48 UTC WEC ENERGY GROUP, INC. WEC · Entity 758 Tax withholdingCommon Stock 34 $96.28 $3,273.52
Disclosure

SEC source: 0000107815-22-000085 · wf-form4_164151287992528.xml · nonDerivative · entry 1

Mastoris William · CIK 0001893062 · EVP-Cust. Svc. and Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,506

Read SEC document
January 03, 2022 Filed Jan 6, 2022 00:16 UTC WEC ENERGY GROUP, INC. WEC · Entity 758 GrantStock Option (right to buy) · Derivative 9,046 $0.00 Strike: $96.04 $0.00
Disclosure

SEC source: 0000107815-22-000039 · wf-form4_164142819221840.xml · derivative · entry 4

Mastoris William · CIK 0001893062 · EVP-Cust. Svc. and Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,046

Underlying: Common Stock · 9,046 shares

Expires 2032-01-03

F2 · derivative.exercise_date: Options vest 100% on the date indicated.

Read SEC document
January 03, 2022 Filed Jan 6, 2022 00:16 UTC WEC ENERGY GROUP, INC. WEC · Entity 758 Tax withholdingCommon Stock 77 $96.04 $7,394.70
Disclosure

SEC source: 0000107815-22-000039 · wf-form4_164142819221840.xml · nonDerivative · entry 2

Mastoris William · CIK 0001893062 · EVP-Cust. Svc. and Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,540

Read SEC document
January 03, 2022 Filed Jan 6, 2022 00:16 UTC WEC ENERGY GROUP, INC. WEC · Entity 758 GrantCommon Stock 858 $0.00 $0.00
Disclosure

SEC source: 0000107815-22-000039 · wf-form4_164142819221840.xml · nonDerivative · entry 1

Mastoris William · CIK 0001893062 · EVP-Cust. Svc. and Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,617

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.