Formfactor Inc SEC filings FORM
Formfactor Inc has 1,000 filings in SEC EDGAR's recent list, going back to Sep 13, 2010. Its latest annual report, Form ARS, was filed on Apr 2, 2026 for the period ended Dec 27, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 3, 2026, covering the quarter ended Sep 26, 2026. The most recent current report (Form 8-K) was filed on Oct 28, 2026 (results of operations). The company's fiscal year ends on December 26.
| Form | Description | Filed | Period |
|---|---|---|---|
| D | Filing | Oct 20, 2026 | — |
| SD | Specialized disclosure (conflict minerals) | May 29, 2026 | — |
| SD | Specialized disclosure (conflict minerals) | Jun 3, 2025 | — |
| D | Filing | Jan 17, 2025 | — |
| SD | Specialized disclosure (conflict minerals) | May 30, 2024 | — |
| SD | Specialized disclosure (conflict minerals) | May 31, 2023 | — |
| SD | Specialized disclosure (conflict minerals) | May 31, 2022 | — |
| SD | Specialized disclosure (conflict minerals) | May 28, 2021 | — |
| SD | Specialized disclosure (conflict minerals) | May 29, 2020 | — |
| SD | Specialized disclosure (conflict minerals) | May 30, 2019 | — |
| SD | Specialized disclosure (conflict minerals) | Jun 1, 2018 | — |
| SD | Specialized disclosure (conflict minerals) | May 31, 2017 | — |
| UPLOAD | Letter from the SEC | Dec 9, 2016 | — |
| CORRESP | Letter to the SEC | Dec 8, 2016 | — |
| UPLOAD | Letter from the SEC | Nov 23, 2016 | — |
| SD | Specialized disclosure (conflict minerals) | May 31, 2016 | — |
| 425 | Filing | May 25, 2016 | — |
| EFFECT | Filing | May 19, 2016 | — |
| CORRESP | Letter to the SEC | May 17, 2016 | — |
| CORRESP | Letter to the SEC | May 17, 2016 | — |
| CORRESP | Letter to the SEC | May 10, 2016 | — |
| UPLOAD | Letter from the SEC | Apr 26, 2016 | — |
| 425 | Form 8-k | Mar 22, 2016 | — |
| 425 | Form 8-k | Feb 9, 2016 | — |
| 425 | Filing | Feb 9, 2016 | — |
| 425 | Filing | Feb 5, 2016 | — |
| 425 | Filing | Feb 4, 2016 | — |
| 425 | Filing | Feb 4, 2016 | — |
| 425 | Filing | Feb 4, 2016 | — |
| 425 | Filing | Feb 4, 2016 | — |
| 425 | Form 8-k | Feb 4, 2016 | — |
| SD | Specialized disclosure (conflict minerals) | Jun 1, 2015 | — |
| EFFECT | Filing | Sep 25, 2014 | — |
| SD | Specialized disclosure (conflict minerals) | Jun 2, 2014 | — |
| CT ORDER | Filing | Mar 14, 2013 | — |
| SC TO-I/A | Filing | Oct 4, 2010 | — |
| SC TO-I/A | Filing | Sep 20, 2010 | — |
Showing 37 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
- FORM (Nasdaq)
- Fiscal year ends
- December 26
- Incorporated in
- DE
- Headquarters
- Livermore, CA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1039399
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.