Arm Holdings PLC /UK SEC filings ARM
Arm Holdings PLC /UK has 162 filings in SEC EDGAR's recent list, going back to Apr 28, 2023. Its latest annual report, Form 20-F, was filed on May 26, 2026 for the period ended Mar 31, 2026. The most recent current report (Form 6-K) was filed on Nov 4, 2026. The company's fiscal year ends on March 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Sep 23, 2026 | Sep 21, 2026 |
| 144 | Notice of proposed sale | Sep 21, 2026 | — |
| 4 | Insider transaction | Sep 16, 2026 | Sep 14, 2026 |
| 4 | Insider transaction | Sep 10, 2026 | Sep 9, 2026 |
| 4 | Insider transaction | Aug 31, 2026 | Aug 27, 2026 |
| 144 | Notice of proposed sale | Aug 27, 2026 | — |
| 4 | Insider transaction | Aug 18, 2026 | Aug 17, 2026 |
| 4 | Insider transaction | Aug 11, 2026 | Aug 7, 2026 |
| 4 | Insider transaction | Jun 4, 2026 | Jun 2, 2026 |
| 4 | Insider transaction | Jun 3, 2026 | Jun 1, 2026 |
| 4 | Insider transaction | Jun 1, 2026 | May 28, 2026 |
| 4 | Insider transaction | May 26, 2026 | May 22, 2026 |
| 4 | Insider transaction | May 22, 2026 | May 21, 2026 |
| 4 | Insider transaction | May 22, 2026 | May 21, 2026 |
| 144 | Notice of proposed sale | May 21, 2026 | — |
| 4 | Insider transaction | May 21, 2026 | May 19, 2026 |
| 4 | Insider transaction | May 21, 2026 | May 19, 2026 |
| 4 | Insider transaction | May 21, 2026 | May 20, 2026 |
| 4 | Insider transaction | May 21, 2026 | May 20, 2026 |
| 144 | Notice of proposed sale | May 20, 2026 | — |
| 144 | Notice of proposed sale | May 20, 2026 | — |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | Apr 23, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 19, 2026 | May 15, 2026 |
| 144 | Notice of proposed sale | May 19, 2026 | — |
| 4 | Insider transaction | May 13, 2026 | May 11, 2026 |
| 144 | Notice of proposed sale | May 11, 2026 | — |
| 4 | Insider transaction | Apr 23, 2026 | Apr 22, 2026 |
| 144 | Notice of proposed sale | Apr 22, 2026 | — |
| 4 | Insider transaction | Apr 16, 2026 | Apr 14, 2026 |
| 144 | Notice of proposed sale | Apr 14, 2026 | — |
| 4 | Insider transaction | Mar 27, 2026 | Mar 25, 2026 |
| 4 | Insider transaction | Mar 27, 2026 | Mar 25, 2026 |
| 144 | Notice of proposed sale | Mar 26, 2026 | — |
| 144 | Notice of proposed sale | Mar 25, 2026 | — |
| 144 | Notice of proposed sale | Mar 25, 2026 | — |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 144 | Notice of proposed sale | Feb 27, 2026 | — |
| 144 | Notice of proposed sale | Feb 18, 2026 | — |
| 144 | Notice of proposed sale | Jan 30, 2026 | — |
| 144 | Notice of proposed sale | Dec 31, 2025 | — |
| 144 | Notice of proposed sale | Nov 28, 2025 | — |
| 144 | Notice of proposed sale | Nov 19, 2025 | — |
| 144 | Notice of proposed sale | Oct 31, 2025 | — |
| 144 | Notice of proposed sale | Oct 14, 2025 | — |
| 144 | Notice of proposed sale | Sep 30, 2025 | — |
| 144 | Notice of proposed sale | Sep 10, 2025 | — |
| 144 | Notice of proposed sale | Sep 5, 2025 | — |
| 144 | Notice of proposed sale | Jun 9, 2025 | — |
| 144 | Notice of proposed sale | May 22, 2025 | — |
| 144 | Notice of proposed sale | Feb 20, 2025 | — |
| 144 | Notice of proposed sale | Jan 22, 2025 | — |
| 144 | Notice of proposed sale | Nov 21, 2024 | — |
| 144 | Notice of proposed sale | Nov 8, 2024 | — |
| 144 | Notice of proposed sale | Sep 16, 2024 | — |
| 144 | Notice of proposed sale | Sep 11, 2024 | — |
| 144 | Notice of proposed sale | Sep 10, 2024 | — |
| 144 | Notice of proposed sale | Jun 17, 2024 | — |
| 144 | Notice of proposed sale | Jun 3, 2024 | — |
| 144 | Notice of proposed sale | Jun 3, 2024 | — |
| 144 | Notice of proposed sale | Mar 18, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2024 | — |
Showing 86 filings. 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.
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Company profile
- Industry
- Semiconductors & Related Devices (SIC 3674)
- Listed as
- ARM (Nasdaq)
- Fiscal year ends
- March 31
- Incorporated in
- United Kingdom
- Headquarters
- Cambridge, United Kingdom
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1973239
- Former names
- Arm Holdings Ltd (until Sep 1, 2023)
Other Semiconductors & Related Devices companies
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.