Company news
SUMCO Corporation news
Latest news releases, newest first. Pick a year for every news release, call and deck from that year.
Notice Concerning Completion of Reclassification of a Consolidated Subsidiary (to an Equity-Method Affiliate)
August 27, 2026
Consolidated Financial Results for the Six Months Ended June 30, 2026
August 6, 2026
Announcement Regarding the Approval of Amendment to the “Plan for Ensuring Stable Supply” Based on the Economic Security Promotion Act
March 27, 2026
Announcement regarding Changes in Personnel Affairs
February 10, 2026
Announcement concerning Difference between Forecast and Actual Figures for the Fiscal Year Ended December 31, 2025
February 10, 2026
Kurumin Certification (FY 2025 Standards) Acquired
November 27, 2025
Presentation - Result for Q3 FY2025
November 11, 2025
Announcement regarding Changes in Personnel Affairs
February 7, 2025
Announcement on Reorganization of Small-Diameter Silicon Wafer Production
February 7, 2025
Presentation - Result for Q3 FY2024
November 8, 2024
Announcement regarding Revision to Dividend Forecast
November 8, 2024
Announcement on Update of the Effects of the Earthquake Centered in Hyuga-nada, Miyazaki Prefecture
August 19, 2024
Announcement on the Effects of the Earthquake Centered in Hyuga-nada, Miyazaki Prefecture
August 9, 2024
Announcement regarding Interim Dividend
August 7, 2024
Presentation - Result for Q3 FY2021
November 4, 2021
Brief Statement on Consolidated Financial Results for Q3 FY2021
November 4, 2021
Announcement Regarding Issuance of New Shares
September 30, 2021
Quarterly Securities Report for Q2 FY2021
August 18, 2021
Presentation - Result for Q2 FY2021
August 5, 2021
SUMCO: Consolidated Financial Results for the Six Months Ended June 30, 2021
August 5, 2021
Quarterly Securities Report for Q1 FY2021
June 1, 2021
Annual Securities Report for FY2020
June 1, 2021
Brief Statement on Consolidated Financial Results for Q1 FY2021
May 12, 2021
Calls
The 5 newest of 16 calls. Every call is listed under its year.
- Sumco (Tokyo:3436) Q1 2026 Earnings Call
May 12, 2026
Transcript - Sumco (Tokyo:3436) Q4 2025 Earnings Call
Feb 10, 2026
Transcript - Sumco (Tokyo:3436) Q3 2025 Earnings Call
Nov 12, 2025
Transcript - Sumco (Tokyo:3436) Q3 2024 Earnings Call
Nov 8, 2024
Transcript - Sumco (Tokyo:3436) Q2 2025 Earnings Call
Aug 7, 2024
Transcript
Decks
The 5 newest of 15 decks. Every deck is listed under its year.
- Q2 2026 Earnings Presentation
Earnings · 25 slides · Aug 6, 2026
- Q1 2026 Earnings Presentation
Earnings · 21 slides · May 12, 2026
- Sumco Corp Ord — Q1 2026 Earnings Presentation
Earnings · 21 slides · May 12, 2026
- Sumco Corp Ord — Q4 2025 Earnings Presentation
Earnings · 14 slides · Feb 10, 2026
- Sumco Corp Ord — Q3 2025 Earnings Presentation
Earnings · 14 slides · Nov 12, 2025