Mayville Engineering Company, Inc. SEC filings MEC
Mayville Engineering Company, Inc. has 411 filings in SEC EDGAR's recent list, going back to Feb 8, 2019. Its latest annual report, Form ARS, was filed on Mar 10, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 4, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 3, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 5, 2026 | — |
| 10-Q | Quarterly report | Nov 4, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations
|
Nov 3, 2026 | Nov 3, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 27, 2026 | — |
| 4 | Insider transaction | Aug 7, 2026 | Aug 6, 2026 |
| 144 | Notice of proposed sale | Aug 6, 2026 | — |
| 144 | Notice of proposed sale | Aug 6, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 6, 2026 | — |
| 10-Q | Quarterly report | Aug 5, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 4, 2026 | Aug 4, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 8, 2026 | — |
| 11-K | Employee savings plan report | Jun 18, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jun 12, 2026 | Jun 11, 2026 |
| 144 | Notice of proposed sale | Jun 11, 2026 | — |
| 4 | Insider transaction | Jun 10, 2026 | Jun 8, 2026 |
| 144 | Notice of proposed sale | Jun 8, 2026 | — |
| 4/A | Form 4/a | Jun 3, 2026 | Jun 1, 2026 |
| 4 | Insider transaction | Jun 2, 2026 | Jun 1, 2026 |
| 144 | Notice of proposed sale | Jun 1, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 28, 2026 | — |
| 4 | Insider transaction | May 27, 2026 | May 26, 2026 |
| 4 | Insider transaction | May 26, 2026 | May 21, 2026 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
May 21, 2026 | May 19, 2026 |
| 424B5 | Prospectus supplement | May 20, 2026 | — |
| 424B5 | Prospectus supplement | May 19, 2026 | — |
| 4 | Insider transaction | May 12, 2026 | May 8, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 7, 2026 |
| 144 | Notice of proposed sale | May 7, 2026 | — |
| 10-Q | Quarterly report | May 6, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 5, 2026 | May 5, 2026 |
| 4 | Insider transaction | Apr 23, 2026 | Apr 21, 2026 |
| 4 | Insider transaction | Apr 23, 2026 | Apr 21, 2026 |
| 4 | Insider transaction | Apr 23, 2026 | Apr 21, 2026 |
| 4 | Insider transaction | Apr 23, 2026 | Apr 21, 2026 |
| 4 | Insider transaction | Apr 23, 2026 | Apr 21, 2026 |
| 4 | Insider transaction | Apr 23, 2026 | Apr 21, 2026 |
| 4 | Insider transaction | Apr 23, 2026 | Apr 21, 2026 |
| 3 | Initial insider ownership | Apr 23, 2026 | Apr 21, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Apr 23, 2026 | Apr 21, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 15, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 15, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 15, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 15, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 15, 2026 |
| ARS | Annual report to shareholders | Mar 10, 2026 | Dec 31, 2025 |
| DEF 14A | Proxy statement | Mar 10, 2026 | Apr 21, 2026 |
| 4 | Insider transaction | Mar 9, 2026 | Mar 5, 2026 |
| 10-K | Annual report | Mar 4, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 3, 2026 | Mar 3, 2026 |
| 8-K |
Current report
Material agreement, New debt
|
Feb 26, 2026 | Feb 25, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 13, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 8, 2026 | — |
| 4 | Insider transaction | Dec 15, 2025 | Dec 11, 2025 |
| 4 | Insider transaction | Nov 26, 2025 | Nov 25, 2025 |
| 4 | Insider transaction | Nov 7, 2025 | Nov 6, 2025 |
| 4 | Insider transaction | Nov 7, 2025 | Nov 7, 2025 |
| 10-Q | Quarterly report | Nov 5, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 4, 2025 | Nov 4, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 29, 2025 | — |
| 8-K/A | Amended current report | Sep 15, 2025 | Jul 1, 2025 |
| 4 | Insider transaction | Aug 11, 2025 | Aug 11, 2025 |
| 4 | Insider transaction | Aug 11, 2025 | Aug 8, 2025 |
| 4 | Insider transaction | Aug 8, 2025 | Aug 7, 2025 |
| 10-Q | Quarterly report | Aug 6, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2025 | Aug 5, 2025 |
| 3 | Initial insider ownership | Jul 25, 2025 | Jul 24, 2025 |
| 8-K |
Current report
Officer or director change
|
Jul 24, 2025 | Jul 24, 2025 |
| 4 | Insider transaction | Jul 21, 2025 | Jul 19, 2025 |
| 8-K |
Current report
Acquisition or sale of assets
|
Jul 1, 2025 | Jul 1, 2025 |
| 8-K |
Current report
Material agreement, New debt
|
Jun 27, 2025 | Jun 26, 2025 |
| 11-K | Employee savings plan report | Jun 20, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Material agreement
|
May 27, 2025 | May 23, 2025 |
| 10-Q | Quarterly report | May 7, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 6, 2025 | May 6, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Apr 24, 2025 | Apr 22, 2025 |
| 4 | Insider transaction | Apr 23, 2025 | Apr 22, 2025 |
| 4 | Insider transaction | Apr 23, 2025 | Apr 22, 2025 |
| 4 | Insider transaction | Apr 23, 2025 | Apr 22, 2025 |
| 4 | Insider transaction | Apr 23, 2025 | Apr 22, 2025 |
| 4 | Insider transaction | Apr 23, 2025 | Apr 22, 2025 |
| 4 | Insider transaction | Apr 18, 2025 | Apr 16, 2025 |
| 4 | Insider transaction | Apr 18, 2025 | Apr 16, 2025 |
| 4 | Insider transaction | Apr 18, 2025 | Apr 16, 2025 |
| 4 | Insider transaction | Apr 18, 2025 | Apr 16, 2025 |
| 4 | Insider transaction | Apr 18, 2025 | Apr 16, 2025 |
| 4 | Insider transaction | Apr 18, 2025 | Apr 16, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 15, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 15, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 15, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 15, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 15, 2025 |
| 4 | Insider transaction | Mar 18, 2025 | Mar 15, 2025 |
| 4 | Insider transaction | Mar 13, 2025 | Mar 12, 2025 |
| 3 | Initial insider ownership | Mar 11, 2025 | Mar 10, 2025 |
| ARS | Annual report to shareholders | Mar 11, 2025 | Dec 31, 2024 |
| DEF 14A | Proxy statement | Mar 11, 2025 | Apr 22, 2025 |
| 8-K |
Current report
Officer or director change
|
Mar 11, 2025 | Mar 10, 2025 |
| 4 | Insider transaction | Mar 7, 2025 | Mar 6, 2025 |
| 10-K | Annual report | Mar 6, 2025 | Dec 31, 2024 |
| 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 |
| 4 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 4/A | Filing | Mar 4, 2025 | Feb 28, 2023 |
| 8-K |
Current report
Results of operations
|
Mar 4, 2025 | Mar 4, 2025 |
| 8-K |
Current report
Officer or director change
|
Feb 24, 2025 | Feb 20, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 13, 2025 | — |
| 4 | Insider transaction | Jan 10, 2025 | Jan 9, 2025 |
| 8-K |
Current report
Officer or director change
|
Dec 11, 2024 | Dec 11, 2024 |
| 4 | Insider transaction | Nov 8, 2024 | Nov 7, 2024 |
| 4 | Insider transaction | Nov 8, 2024 | Nov 7, 2024 |
| 4/A | Filing | Nov 7, 2024 | Nov 7, 2024 |
| 4 | Insider transaction | Nov 7, 2024 | Nov 7, 2024 |
| 4 | Insider transaction | Nov 7, 2024 | Nov 7, 2024 |
| 10-Q | Quarterly report | Nov 6, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2024 | Nov 5, 2024 |
| 4 | Insider transaction | Aug 26, 2024 | Aug 23, 2024 |
| 4 | Insider transaction | Aug 22, 2024 | Aug 21, 2024 |
| 4 | Insider transaction | Aug 22, 2024 | Aug 22, 2024 |
| 10-Q | Quarterly report | Aug 7, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2024 | Aug 6, 2024 |
| 4 | Insider transaction | Jul 23, 2024 | Jul 19, 2024 |
| 11-K | Employee savings plan report | Jun 20, 2024 | Dec 31, 2023 |
| EFFECT | Filing | May 20, 2024 | — |
| CORRESP | Letter to the SEC | May 15, 2024 | — |
| S-3/A | Filing | May 8, 2024 | — |
| 10-Q | Quarterly report | May 8, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 7, 2024 | May 7, 2024 |
| 4 | Insider transaction | Apr 17, 2024 | Apr 16, 2024 |
| 4 | Insider transaction | Apr 17, 2024 | Apr 16, 2024 |
| 4 | Insider transaction | Apr 17, 2024 | Apr 16, 2024 |
| 4 | Insider transaction | Apr 17, 2024 | Apr 16, 2024 |
| 4 | Insider transaction | Apr 17, 2024 | Apr 16, 2024 |
| 4 | Insider transaction | Apr 17, 2024 | Apr 16, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Apr 17, 2024 | Apr 16, 2024 |
| 4 | Insider transaction | Mar 19, 2024 | Mar 15, 2024 |
| 4 | Insider transaction | Mar 19, 2024 | Mar 15, 2024 |
| 4 | Insider transaction | Mar 19, 2024 | Mar 15, 2024 |
| 4 | Insider transaction | Mar 19, 2024 | Mar 15, 2024 |
| 4 | Insider transaction | Mar 19, 2024 | Mar 15, 2024 |
| 4 | Insider transaction | Mar 19, 2024 | Mar 15, 2024 |
| UPLOAD | Letter from the SEC | Mar 14, 2024 | — |
| S-3 | Shelf registration | Mar 7, 2024 | — |
| ARS | Annual report to shareholders | Mar 6, 2024 | Dec 31, 2023 |
| DEF 14A | Proxy statement | Mar 6, 2024 | Apr 16, 2024 |
| 10-K | Annual report | Mar 6, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Mar 5, 2024 | Mar 5, 2024 |
| 4/A | Filing | Mar 4, 2024 | Feb 28, 2024 |
| 4 | Insider transaction | Mar 1, 2024 | Feb 28, 2024 |
| 4 | Insider transaction | Mar 1, 2024 | Feb 28, 2024 |
| 4 | Insider transaction | Mar 1, 2024 | Feb 28, 2024 |
| 4 | Insider transaction | Mar 1, 2024 | Feb 28, 2024 |
| 4 | Insider transaction | Mar 1, 2024 | Feb 28, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 12, 2024 | — |
| 4 | Insider transaction | Jan 9, 2024 | Jan 9, 2024 |
| 4 | Insider transaction | Nov 20, 2023 | Nov 17, 2023 |
| 4 | Insider transaction | Nov 7, 2023 | Nov 3, 2023 |
| 8-K |
Current report
Officer or director change
|
Nov 3, 2023 | Nov 2, 2023 |
| 10-Q | Quarterly report | Nov 1, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Oct 31, 2023 | Oct 31, 2023 |
| 8-K/A | Amended current report | Sep 12, 2023 | Jul 1, 2023 |
| 10-Q | Quarterly report | Aug 2, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 1, 2023 | Aug 1, 2023 |
| 4 | Insider transaction | Jul 20, 2023 | Jul 19, 2023 |
| 8-K |
Current report
Acquisition or sale of assets
|
Jul 5, 2023 | Jul 1, 2023 |
| 8-K |
Current report
Material agreement, New debt
|
Jun 29, 2023 | Jun 28, 2023 |
| 11-K | Employee savings plan report | Jun 27, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Material agreement
|
Jun 21, 2023 | Jun 19, 2023 |
| 10-Q | Quarterly report | May 3, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 2, 2023 | May 2, 2023 |
| 4 | Insider transaction | Apr 20, 2023 | Apr 18, 2023 |
| 4 | Insider transaction | Apr 20, 2023 | Apr 18, 2023 |
| 4 | Insider transaction | Apr 20, 2023 | Apr 18, 2023 |
| 4 | Insider transaction | Apr 20, 2023 | Apr 18, 2023 |
| 4 | Insider transaction | Apr 20, 2023 | Apr 18, 2023 |
| 4 | Insider transaction | Apr 20, 2023 | Apr 18, 2023 |
| 4 | Insider transaction | Apr 20, 2023 | Apr 18, 2023 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Apr 19, 2023 | Apr 18, 2023 |
| ARS | Annual report to shareholders | Mar 22, 2023 | Dec 31, 2022 |
| 4 | Insider transaction | Mar 13, 2023 | Mar 13, 2023 |
| 3 | Initial insider ownership | Mar 13, 2023 | Mar 13, 2023 |
| DEF 14A | Proxy statement | Mar 6, 2023 | Apr 18, 2023 |
| 4 | Insider transaction | Mar 2, 2023 | Feb 28, 2023 |
| 4 | Insider transaction | Mar 2, 2023 | Feb 28, 2023 |
| 4 | Insider transaction | Mar 2, 2023 | Feb 28, 2023 |
| 4 | Insider transaction | Mar 2, 2023 | Feb 28, 2023 |
| 4 | Insider transaction | Mar 2, 2023 | Feb 28, 2023 |
| 10-K | Annual report | Mar 1, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations
|
Feb 28, 2023 | Feb 28, 2023 |
| 4 | Insider transaction | Jan 27, 2023 | Jan 25, 2023 |
| 3 | Initial insider ownership | Jan 26, 2023 | Jan 25, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 13, 2023 | — |
| 3 | Initial insider ownership | Dec 22, 2022 | Dec 21, 2022 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change
|
Dec 21, 2022 | Dec 21, 2022 |
| 4/A | Form 4/a | Nov 17, 2022 | Nov 3, 2022 |
| 4 | Insider transaction | Nov 7, 2022 | Nov 3, 2022 |
| 10-Q | Quarterly report | Nov 2, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 1, 2022 | Nov 1, 2022 |
| 4 | Insider transaction | Aug 11, 2022 | Aug 10, 2022 |
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.
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Company profile
- Industry
- Metal Forgings & Stampings (SIC 3460)
- Listed as
- MEC (NYSE)
- Fiscal year ends
- December 31
- Headquarters
- Mayville, WI
- SEC filer status
- Accelerated filer
- SEC CIK
- 1766368
Other Metal Forgings & Stampings companies
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.