Proto Labs Inc SEC filings PRLB
Proto Labs Inc has 901 filings in SEC EDGAR's recent list, going back to Aug 18, 2008. Its latest annual report, Form ARS, was filed on Apr 8, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 29, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 29, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| S-8 | Employee stock plan registration | Jul 31, 2026 | — |
| S-8 | Employee stock plan registration | May 27, 2025 | — |
| S-8 | Employee stock plan registration | May 27, 2025 | — |
| S-8 | Employee stock plan registration | Aug 2, 2024 | — |
| S-8 | Employee stock plan registration | Aug 4, 2023 | — |
| S-8 POS | Form s-8 pos | Aug 30, 2022 | — |
| S-8 POS | Form s-8 pos | Aug 30, 2022 | — |
| S-8 POS | Form s-8 pos | Aug 30, 2022 | — |
| S-8 | Employee stock plan registration | Aug 30, 2022 | — |
| S-3ASR | Automatic shelf registration | Feb 16, 2021 | — |
| S-8 | Employee stock plan registration | Mar 4, 2015 | — |
| S-8 | Employee stock plan registration | Mar 3, 2014 | — |
| 424B1 | Definitive prospectus | Nov 16, 2012 | — |
| S-1/A | Amended registration statement | Nov 13, 2012 | — |
| S-1 | Registration statement | Oct 31, 2012 | — |
| 424B4 | Prospectus | Feb 27, 2012 | — |
| S-8 | Employee stock plan registration | Feb 23, 2012 | — |
| S-1/A | Amended registration statement | Feb 21, 2012 | — |
| S-1/A | Amended registration statement | Feb 13, 2012 | — |
| S-1/A | Amended registration statement | Feb 1, 2012 | — |
| S-1/A | Amended registration statement | Dec 29, 2011 | — |
| S-1/A | Amended registration statement | Oct 26, 2011 | — |
| S-1/A | Amended registration statement | Sep 26, 2011 | — |
| S-1/A | Amended registration statement | Aug 31, 2011 | — |
| S-1 | Registration statement | Jul 25, 2011 | — |
Showing 25 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
- Fabricated Structural Metal Products (SIC 3440)
- Listed as
- PRLB (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- MN
- Headquarters
- Maple Plain, MN
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1443669
Other Fabricated Structural Metal Products companies
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- INNOVATE Corp. VATE
- Techprecision Corp TPCS
- Arcosa, Inc. ACA
Source: SEC EDGAR filings. This is company-reported data, not investment advice.