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 |
|---|---|---|---|
| S-8 | Employee stock plan registration | Aug 4, 2026 | — |
| S-8 | Employee stock plan registration | Aug 5, 2025 | — |
| S-8 | Employee stock plan registration | Aug 8, 2023 | — |
| S-8 | Employee stock plan registration | Aug 3, 2022 | — |
| S-8 | Employee stock plan registration | Jun 23, 2020 | — |
| S-8 | Employee stock plan registration | Aug 2, 2019 | — |
| S-8 | Employee stock plan registration | Jul 30, 2018 | — |
| S-8 | Employee stock plan registration | Jan 16, 2018 | — |
| S-8 | Employee stock plan registration | Jul 19, 2016 | — |
| 424B3 | Prospectus | May 20, 2016 | — |
| S-4/A | Amendment no. 2 to form s-4 | May 19, 2016 | — |
| S-4/A | Amendment no. 1 to form s-4 | May 10, 2016 | — |
| S-4 | Registration for a merger or exchange | Apr 1, 2016 | — |
| S-3 | Shelf registration | Sep 15, 2014 | — |
| S-8 | Employee stock plan registration | May 7, 2014 | — |
| S-8 POS | S-8 post effective amendment no. 6 | May 6, 2014 | — |
| S-8 | Employee stock plan registration | May 6, 2013 | — |
| S-8 POS | Filing | May 6, 2013 | — |
| S-8 POS | Filing | May 16, 2012 | — |
| S-8 POS | Filing | May 16, 2012 | — |
| S-8 | Employee stock plan registration | May 16, 2012 | — |
| S-8 POS | Filing | May 16, 2012 | — |
| S-8 POS | Filing | Feb 21, 2012 | — |
| S-8 | Employee stock plan registration | Feb 21, 2012 | — |
| S-8 | Employee stock plan registration | Feb 17, 2011 | — |
| S-8 POS | Filing | Feb 17, 2011 | — |
Showing 26 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.
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
- 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.