WISCONSIN PUBLIC SERVICE CORP

Q: Jun 30 2026

Q: Mar 31 2026

FY: Dec 31 2025

Q: Sep 30 2025

Q: Jun 30 2025

Q: Mar 31 2025

FY: Dec 31 2024

Q: Sep 30 2024

Q: Jun 30 2024

Q: Mar 31 2024

FY: Dec 31 2023

Q: Sep 30 2023

Q: Jun 30 2023

Q: Mar 31 2023

FY: Dec 31 2022

Q: Sep 30 2022

Q: Jun 30 2022

Q: Mar 31 2022

FY: Dec 31 2021

Q: Sep 30 2021

Other Events

Regulation FD Disclosure

Other Events

Other Events

7.01,8.01,9.01

8.01,9.01

8.01

8.01,9.01

8.01

8.01,9.01

8.01

8.01

8.01

8.01

8.01,9.01

8.01

8.01,9.01

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

8.01,9.01

1.02

Prospectus Supplement for Delayed or Continuous Offering

Free Writing Prospectus

Prospectus Supplement for Primary Offering

Prospectus Supplement for Delayed or Continuous Offering

Free Writing Prospectus

Prospectus Supplement for Primary Offering

Prospectus Supplement for Delayed or Continuous Offering

Prospectus Supplement for Primary Offering

Free Writing Prospectus

Notice of Effectiveness

Registration statement under Securities Act of 1933

Prospectus Supplement for Delayed or Continuous Offering

Prospectus Supplement for Primary Offering

Free Writing Prospectus

Prospectus Supplement for Delayed or Continuous Offering

Prospectus Supplement for Primary Offering

Free Writing Prospectus

Notice of Effectiveness

Registration statement under Securities Act of 1933

Prospectus Supplement for Delayed or Continuous Offering

Definitive Proxy Statement

No description available

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

WELLINGTON MANAGEMENT CO LLP

WELLINGTON MANAGEMENT CO LLP

WELLINGTON MANAGEMENT CO LLP

STATE STREET BANK & TRUST CO

STATE STREET BANK & TRUST CO

WELLINGTON MANAGEMENT CO

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Letter from the SEC

Letter from the SEC

No description available

Letter from the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

No description available

No description available

No description available

Submission of Paper Format Exhibits by Electronic Filers

No description available

No description available