SemiLEDs Corp SEC filings LEDS
SemiLEDs Corp has 487 filings in SEC EDGAR's recent list, going back to Mar 30, 2005. Its latest annual report, Form ARS, was filed on Jul 15, 2026 for the period ended Aug 31, 2025. The latest quarterly report (Form 10-Q) was filed on Jul 14, 2026, covering the quarter ended May 31, 2026. The most recent current report (Form 8-K) was filed on Aug 31, 2026 (shareholder vote results). The company's fiscal year ends on August 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Shareholder vote results
|
Aug 31, 2026 | Aug 28, 2026 |
| 8-K |
Current report
Auditor change
|
Jul 27, 2026 | Jul 27, 2026 |
| DEFA14A | Additional proxy material | Jul 15, 2026 | — |
| DEF 14A | Proxy statement | Jul 15, 2026 | Jul 15, 2026 |
| ARS | Annual report to shareholders | Jul 15, 2026 | Aug 31, 2025 |
| 8-K |
Current report
Listing notice
|
Jul 15, 2026 | Jul 15, 2026 |
| 8-K/A |
Amended current report
Results of operations
|
Jul 15, 2026 | Jul 14, 2026 |
| 10-Q | Quarterly report | Jul 14, 2026 | May 31, 2026 |
| 8-K |
Current report
Results of operations, Auditor change
|
Jul 14, 2026 | Jul 14, 2026 |
| SD | Specialized disclosure (conflict minerals) | May 27, 2026 | — |
| 10-Q | Quarterly report | Apr 14, 2026 | Feb 28, 2026 |
| 8-K |
Current report
Results of operations
|
Apr 14, 2026 | Apr 14, 2026 |
| 8-K |
Current report
Listing notice
|
Feb 3, 2026 | Jan 30, 2026 |
| UPLOAD | Letter from the SEC | Jan 27, 2026 | — |
| CORRESP | Letter to the SEC | Jan 20, 2026 | — |
| 8-K |
Current report
Material agreement
|
Jan 16, 2026 | Jan 15, 2026 |
| 10-Q | Quarterly report | Jan 14, 2026 | Nov 30, 2025 |
| 8-K |
Current report
Results of operations
|
Jan 14, 2026 | Jan 14, 2026 |
| UPLOAD | Letter from the SEC | Jan 12, 2026 | — |
| 10-K | Annual report | Nov 28, 2025 | Aug 31, 2025 |
| 4 | Insider transaction | Nov 28, 2025 | Nov 27, 2025 |
| 4 | Insider transaction | Nov 28, 2025 | Nov 27, 2025 |
| 4 | Insider transaction | Nov 28, 2025 | Nov 27, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 28, 2025 | Nov 28, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Sep 2, 2025 | Aug 28, 2025 |
| DEF 14A | Proxy statement | Jul 15, 2025 | Jul 14, 2025 |
| ARS | Annual report to shareholders | Jul 15, 2025 | Aug 31, 2024 |
| DEFA14A | Additional proxy material | Jul 15, 2025 | — |
| 4 | Insider transaction | Jul 14, 2025 | Jul 10, 2025 |
| 10-Q | Quarterly report | Jul 14, 2025 | May 31, 2025 |
| 8-K |
Current report
Results of operations, Auditor change
|
Jul 11, 2025 | Jul 11, 2025 |
| SD | Specialized disclosure (conflict minerals) | May 27, 2025 | — |
| 8-K |
Current report
Listing notice
|
Apr 15, 2025 | Apr 15, 2025 |
| 10-Q | Quarterly report | Apr 11, 2025 | Feb 28, 2025 |
| 8-K |
Current report
Results of operations
|
Apr 10, 2025 | Apr 10, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Mar 5, 2025 | Feb 28, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Mar 4, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Mar 4, 2025 | — |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 8-K |
Current report
Material agreement
|
Jan 16, 2025 | Jan 15, 2025 |
| 10-Q | Quarterly report | Jan 13, 2025 | Nov 30, 2024 |
| 8-K |
Current report
Results of operations
|
Jan 10, 2025 | Jan 10, 2025 |
| 8-K |
Current report
Listing notice
|
Dec 9, 2024 | Dec 4, 2024 |
| 4 | Insider transaction | Nov 27, 2024 | Nov 27, 2024 |
| 4 | Insider transaction | Nov 27, 2024 | Nov 27, 2024 |
| 4 | Insider transaction | Nov 27, 2024 | Nov 27, 2024 |
| 10-K | Annual report | Nov 27, 2024 | Aug 31, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 27, 2024 | Nov 27, 2024 |
| 8-K/A |
Amended current report
Bylaw or fiscal year change, Shareholder vote results
|
Oct 16, 2024 | Aug 29, 2024 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Sep 5, 2024 | Sep 5, 2024 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Sep 3, 2024 | Aug 29, 2024 |
| ARS | Annual report to shareholders | Jul 15, 2024 | Aug 31, 2023 |
| DEFA14A | Additional proxy material | Jul 15, 2024 | — |
| DEF 14A | Proxy statement | Jul 15, 2024 | Jul 15, 2024 |
| 10-Q | Quarterly report | Jul 11, 2024 | May 31, 2024 |
| 3 | Initial insider ownership | Jul 8, 2024 | Jul 3, 2024 |
| 8-K |
Current report
Material agreement, Results of operations, Officer or director change, Other events
|
Jul 8, 2024 | Jul 8, 2024 |
| PRE 14A | Preliminary proxy statement | Jul 5, 2024 | Jul 5, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Jun 4, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jun 4, 2024 | — |
| SD | Specialized disclosure (conflict minerals) | May 30, 2024 | — |
| 10-Q | Quarterly report | Apr 12, 2024 | Feb 29, 2024 |
| 8-K |
Current report
Results of operations
|
Apr 3, 2024 | Apr 3, 2024 |
| 4 | Insider transaction | Feb 20, 2024 | Feb 9, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Feb 20, 2024 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Feb 20, 2024 | Feb 20, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Jan 18, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 16, 2024 | — |
| SC 13D | Ownership over 5% (active) | Jan 16, 2024 | — |
| 10-Q | Quarterly report | Jan 12, 2024 | Nov 30, 2023 |
| 8-K |
Current report
Results of operations
|
Jan 12, 2024 | Nov 30, 2023 |
| 4 | Insider transaction | Jan 10, 2024 | Jan 8, 2024 |
| 4 | Insider transaction | Jan 10, 2024 | Jan 8, 2024 |
| 4 | Insider transaction | Jan 10, 2024 | Jan 8, 2024 |
| 4 | Insider transaction | Jan 9, 2024 | Jan 8, 2024 |
| 8-K |
Current report
Material agreement, Listing notice, Unregistered share sale, Other events
|
Jan 9, 2024 | Jan 8, 2024 |
| 10-K | Annual report | Nov 28, 2023 | Aug 31, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 13, 2023 | Nov 10, 2023 |
| 8-K/A |
Amended current report
Listing notice, Officer or director change, Other events
|
Jul 17, 2023 | Jul 10, 2023 |
| 8-K |
Current report
Listing notice, Officer or director change
|
Jul 13, 2023 | Jul 10, 2023 |
| 4 | Insider transaction | Jul 11, 2023 | Jul 7, 2023 |
| 4 | Insider transaction | Jul 11, 2023 | Jul 7, 2023 |
| 10-Q | Quarterly report | Jul 7, 2023 | May 31, 2023 |
| 8-K |
Current report
Results of operations
|
Jul 7, 2023 | Jul 7, 2023 |
| 8-K |
Current report
Material agreement
|
Jun 6, 2023 | Jun 6, 2023 |
| SD | Specialized disclosure (conflict minerals) | May 30, 2023 | — |
| 8-K |
Current report
Shareholder vote results
|
May 24, 2023 | May 18, 2023 |
| 4 | Insider transaction | Apr 26, 2023 | Apr 25, 2023 |
| 10-Q | Quarterly report | Apr 12, 2023 | Feb 28, 2023 |
| 8-K |
Current report
Results of operations
|
Apr 12, 2023 | Apr 12, 2023 |
| ARS | Annual report to shareholders | Apr 7, 2023 | Aug 31, 2022 |
| DEFA14A | Additional proxy material | Apr 7, 2023 | — |
| DEF 14A | Proxy statement | Apr 7, 2023 | Aug 31, 2022 |
| 8-K |
Current report
Material agreement
|
Jan 18, 2023 | Jan 13, 2023 |
| 10-Q | Quarterly report | Jan 6, 2023 | Nov 30, 2022 |
| 8-K |
Current report
Results of operations
|
Jan 3, 2023 | Jan 3, 2023 |
| 10-K | Annual report | Nov 8, 2022 | Aug 31, 2022 |
| 4 | Insider transaction | Nov 7, 2022 | Nov 7, 2022 |
| 4 | Insider transaction | Nov 7, 2022 | Nov 7, 2022 |
| 4 | Insider transaction | Nov 7, 2022 | Nov 7, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2022 | Nov 7, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Sep 15, 2022 | Sep 13, 2022 |
| DEF 14A | Proxy statement | Aug 1, 2022 | Aug 1, 2022 |
| DEFA14A | Additional proxy material | Aug 1, 2022 | — |
| 8-K |
Current report
Results of operations
|
Jul 12, 2022 | Jul 12, 2022 |
| 10-Q | Quarterly report | Jul 12, 2022 | May 31, 2022 |
| SD | Specialized disclosure (conflict minerals) | May 27, 2022 | — |
| 8-K |
Current report
Material agreement
|
May 26, 2022 | May 26, 2022 |
| 10-Q | Quarterly report | Apr 7, 2022 | Feb 28, 2022 |
| 8-K |
Current report
Results of operations
|
Apr 7, 2022 | Apr 7, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2022 | — |
| 8-K |
Current report
Material agreement
|
Jan 18, 2022 | Jan 14, 2022 |
| 10-Q | Quarterly report | Jan 12, 2022 | Nov 30, 2021 |
| 10-K | Annual report | Nov 29, 2021 | Aug 31, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 26, 2021 | Nov 26, 2021 |
| 4 | Insider transaction | Nov 12, 2021 | Nov 12, 2021 |
| 4 | Insider transaction | Nov 12, 2021 | Nov 12, 2021 |
| 4 | Insider transaction | Nov 12, 2021 | Nov 12, 2021 |
| 4 | Insider transaction | Nov 12, 2021 | Nov 12, 2021 |
| 8-K |
Current report
Shareholder vote results
|
Sep 28, 2021 | Sep 24, 2021 |
| DEFA14A | Additional proxy material | Aug 10, 2021 | — |
| DEF 14A | Proxy statement | Aug 10, 2021 | Sep 24, 2021 |
| 10-Q | Quarterly report | Jul 13, 2021 | May 31, 2021 |
| 8-K |
Current report
Material agreement
|
Jul 6, 2021 | Jul 6, 2021 |
| 424B5 | Prospectus supplement | Jul 6, 2021 | — |
| 8-K |
Current report
Results of operations
|
Jul 6, 2021 | Jul 6, 2021 |
| 8-K |
Current report
Other events
|
Jun 25, 2021 | Jun 23, 2021 |
| 8-K |
Current report
Other events
|
Jun 23, 2021 | Jun 22, 2021 |
| 424B5 | Prospectus supplement | Jun 22, 2021 | — |
| EFFECT | Filing | Jun 8, 2021 | — |
| CORRESP | Letter to the SEC | Jun 4, 2021 | — |
| UPLOAD | Letter from the SEC | Jun 3, 2021 | — |
| S-3 | Shelf registration | May 28, 2021 | — |
| SD | Specialized disclosure (conflict minerals) | May 28, 2021 | — |
| 8-K |
Current report
Other events
|
Apr 23, 2021 | Apr 8, 2021 |
| 10-Q | Quarterly report | Apr 12, 2021 | Feb 28, 2021 |
| 8-K |
Current report
Results of operations
|
Apr 8, 2021 | Apr 8, 2021 |
| SC 13G | Ownership over 5% (passive) | Feb 10, 2021 | — |
| 4 | Insider transaction | Feb 9, 2021 | Feb 9, 2021 |
| 8-K |
Current report
Listing notice
|
Jan 21, 2021 | Jan 19, 2021 |
| 10-Q | Quarterly report | Jan 14, 2021 | Nov 30, 2020 |
| 8-K |
Current report
Results of operations
|
Jan 8, 2021 | Jan 8, 2021 |
| S-8 | Employee stock plan registration | Dec 16, 2020 | — |
| 4/A | Primary document | Nov 30, 2020 | Nov 12, 2020 |
| 4/A | Primary document | Nov 30, 2020 | Nov 12, 2020 |
| 4/A | Primary document | Nov 30, 2020 | Nov 12, 2020 |
| 10-K | Annual report | Nov 17, 2020 | Aug 31, 2020 |
| 4 | Insider transaction | Nov 16, 2020 | Nov 12, 2020 |
| 4 | Insider transaction | Nov 16, 2020 | Nov 12, 2020 |
| 4 | Insider transaction | Nov 16, 2020 | Nov 12, 2020 |
| 4 | Insider transaction | Nov 16, 2020 | Nov 12, 2020 |
| 8-K |
Current report
Results of operations
|
Nov 12, 2020 | Nov 12, 2020 |
| 8-K |
Current report
Other events
|
Oct 5, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Sep 28, 2020 | Sep 25, 2020 |
| 8-K |
Current report
Listing notice
|
Sep 4, 2020 | Sep 2, 2020 |
| DEFA14A | Additional proxy material | Aug 11, 2020 | — |
| DEF 14A | Proxy statement | Aug 11, 2020 | Sep 25, 2020 |
| 10-Q | Quarterly report | Jul 13, 2020 | May 31, 2020 |
| 8-K |
Current report
Results of operations
|
Jul 10, 2020 | Jul 10, 2020 |
| SC 13D/A | Amended ownership over 5% (active) | Jun 10, 2020 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jun 5, 2020 | — |
| 4 | Insider transaction | May 28, 2020 | May 26, 2020 |
| 4 | Insider transaction | May 28, 2020 | May 26, 2020 |
| 4 | Insider transaction | May 28, 2020 | May 26, 2020 |
| 4 | Insider transaction | May 27, 2020 | May 25, 2020 |
| 8-K/A |
Amended current report
Listing notice
|
May 27, 2020 | May 25, 2020 |
| 8-K |
Current report
Listing notice
|
May 26, 2020 | May 25, 2020 |
| SD | Specialized disclosure (conflict minerals) | May 20, 2020 | — |
| 10-Q | Quarterly report | Apr 10, 2020 | Feb 29, 2020 |
| 8-K |
Current report
Results of operations
|
Apr 9, 2020 | Apr 9, 2020 |
| 4 | Insider transaction | Feb 28, 2020 | Feb 7, 2020 |
| 4 | Insider transaction | Feb 28, 2020 | Nov 25, 2019 |
| 4 | Insider transaction | Feb 28, 2020 | Nov 25, 2019 |
| SC 13D | Ownership over 5% (active) | Feb 28, 2020 | — |
| 4 | Insider transaction | Feb 25, 2020 | Dec 10, 2019 |
| SC 13D | Ownership over 5% (active) | Feb 25, 2020 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Jan 17, 2020 | Jan 17, 2020 |
| 10-Q | Quarterly report | Jan 15, 2020 | Nov 30, 2019 |
| 4 | Insider transaction | Jan 13, 2020 | Jan 10, 2020 |
| 8-K |
Current report
Results of operations
|
Jan 10, 2020 | Jan 10, 2020 |
| 8-K |
Current report
Material agreement
|
Dec 11, 2019 | Dec 6, 2019 |
| 8-K |
Current report
Listing notice
|
Dec 2, 2019 | Nov 25, 2019 |
| 8-K |
Current report
Other events
|
Nov 27, 2019 | Nov 27, 2019 |
| 10-K | Annual report | Nov 20, 2019 | Aug 31, 2019 |
| 8-K |
Current report
Results of operations
|
Nov 14, 2019 | Nov 14, 2019 |
| 4 | Insider transaction | Sep 6, 2019 | Sep 5, 2019 |
| 4 | Insider transaction | Sep 6, 2019 | Sep 5, 2019 |
| 4 | Insider transaction | Sep 6, 2019 | Sep 5, 2019 |
| 8-K |
Current report
Officer or director change
|
Sep 6, 2019 | Sep 5, 2019 |
| 3 | Initial insider ownership | Sep 6, 2019 | Sep 5, 2019 |
| 8-K |
Current report
Auditor change
|
Sep 3, 2019 | Aug 29, 2019 |
| 8-K |
Current report
Other events
|
Aug 29, 2019 | Aug 29, 2019 |
| 8-K |
Current report
Other events
|
Aug 20, 2019 | Aug 17, 2019 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Aug 2, 2019 | Jul 31, 2019 |
| 10-Q | Quarterly report | Jul 12, 2019 | May 31, 2019 |
| 8-K |
Current report
Material agreement, Agreement ended, Results of operations, New debt
|
Jul 10, 2019 | Jul 10, 2019 |
| DEFA14A | Additional proxy material | Jun 18, 2019 | — |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Semiconductors & Related Devices (SIC 3674)
- Listed as
- LEDS (Nasdaq)
- Fiscal year ends
- August 31
- Headquarters
- Chu-Nan, Taiwan
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1333822
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.