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 | — |
| 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 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 8, 2026 | — |
| 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 |
| 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 | — |
| 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 |
| 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 |
| 4 | Insider transaction | Mar 9, 2026 | Mar 5, 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 |
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 29, 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 |
| 3 | Initial insider ownership | Jul 25, 2025 | Jul 24, 2025 |
| 4 | Insider transaction | Jul 21, 2025 | Jul 19, 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 |
| 4 | Insider transaction | Mar 7, 2025 | Mar 6, 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 | Insider transaction | Mar 4, 2025 | Feb 28, 2025 |
| 4/A | Filing | Mar 4, 2025 | Feb 28, 2023 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 13, 2025 | — |
| 4 | Insider transaction | Jan 10, 2025 | Jan 9, 2025 |
| 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 |
| 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 |
| 4 | Insider transaction | Jul 23, 2024 | Jul 19, 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 |
| 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 |
| 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 |
| 4 | Insider transaction | Jul 20, 2023 | Jul 19, 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 |
| 4 | Insider transaction | Mar 13, 2023 | Mar 13, 2023 |
| 3 | Initial insider ownership | Mar 13, 2023 | Mar 13, 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 |
| 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 |
| 4/A | Form 4/a | Nov 17, 2022 | Nov 3, 2022 |
| 4 | Insider transaction | Nov 7, 2022 | Nov 3, 2022 |
| 4 | Insider transaction | Aug 11, 2022 | Aug 10, 2022 |
| 4 | Insider transaction | Jul 20, 2022 | Jul 19, 2022 |
| 4 | Insider transaction | Jul 20, 2022 | Jul 19, 2022 |
| 3 | Initial insider ownership | Jul 20, 2022 | Jul 19, 2022 |
| 4 | Insider transaction | Apr 21, 2022 | Apr 19, 2022 |
| 4/A | Form 4/a | Apr 21, 2022 | May 8, 2020 |
| 4 | Insider transaction | Apr 21, 2022 | Apr 19, 2022 |
| 4/A | Form 4/a | Apr 21, 2022 | May 8, 2020 |
| 4 | Insider transaction | Apr 21, 2022 | Apr 19, 2022 |
| 4 | Insider transaction | Apr 21, 2022 | Apr 19, 2022 |
| 4 | Insider transaction | Apr 21, 2022 | Apr 19, 2022 |
| 4 | Insider transaction | Apr 21, 2022 | Apr 19, 2022 |
| 4 | Insider transaction | Mar 18, 2022 | Feb 28, 2022 |
| 4 | Insider transaction | Mar 18, 2022 | Feb 28, 2022 |
| 4 | Insider transaction | Mar 18, 2022 | Feb 28, 2022 |
| 4 | Insider transaction | Mar 18, 2022 | Feb 28, 2022 |
| 4 | Insider transaction | Mar 4, 2022 | Mar 4, 2022 |
| 4 | Insider transaction | Mar 2, 2022 | Feb 28, 2022 |
| 4 | Insider transaction | Mar 2, 2022 | Feb 28, 2022 |
| 4 | Insider transaction | Mar 2, 2022 | Feb 28, 2022 |
| 4 | Insider transaction | Mar 2, 2022 | Feb 28, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 4, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 18, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Dec 9, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Dec 8, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 10, 2021 | — |
| 4 | Insider transaction | Nov 4, 2021 | Nov 4, 2021 |
| 4 | Insider transaction | May 11, 2021 | May 8, 2021 |
| 4 | Insider transaction | May 11, 2021 | May 8, 2021 |
| 4 | Insider transaction | May 11, 2021 | May 8, 2021 |
| 4 | Insider transaction | May 11, 2021 | May 8, 2021 |
| 4 | Insider transaction | May 7, 2021 | May 6, 2021 |
| 4 | Insider transaction | Apr 22, 2021 | Apr 20, 2021 |
| 4 | Insider transaction | Apr 22, 2021 | Apr 20, 2021 |
| 4 | Insider transaction | Apr 22, 2021 | Apr 20, 2021 |
| 4 | Insider transaction | Apr 22, 2021 | Apr 20, 2021 |
| 4 | Insider transaction | Apr 22, 2021 | Apr 20, 2021 |
| 4 | Insider transaction | Apr 22, 2021 | Apr 20, 2021 |
| 4 | Insider transaction | Apr 22, 2021 | Apr 20, 2021 |
| 4 | Insider transaction | Mar 2, 2021 | Feb 27, 2021 |
| 4 | Insider transaction | Mar 2, 2021 | Feb 27, 2021 |
| 4 | Insider transaction | Mar 2, 2021 | Feb 27, 2021 |
| 4 | Insider transaction | Mar 2, 2021 | Feb 27, 2021 |
| 4 | Insider transaction | Mar 2, 2021 | Feb 27, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2021 | — |
| 4/A | Form 4/a | Feb 11, 2021 | May 8, 2020 |
| 4/A | Form 4/a | Feb 11, 2021 | May 8, 2020 |
| SC 13G | Ownership over 5% (passive) | Feb 9, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Feb 4, 2021 | — |
| 3 | Initial insider ownership | Dec 7, 2020 | Dec 3, 2020 |
| 4 | Insider transaction | Sep 15, 2020 | Sep 11, 2020 |
| 4 | Insider transaction | Jul 17, 2020 | Mar 16, 2020 |
| 4 | Insider transaction | May 14, 2020 | May 12, 2020 |
| 4 | Insider transaction | May 14, 2020 | May 12, 2020 |
| 4 | Insider transaction | May 14, 2020 | May 12, 2020 |
| 4 | Insider transaction | May 14, 2020 | May 12, 2020 |
| 4 | Insider transaction | May 14, 2020 | May 12, 2020 |
| 4 | Insider transaction | May 14, 2020 | May 12, 2020 |
| 4 | Insider transaction | May 12, 2020 | May 8, 2020 |
| 4 | Insider transaction | May 12, 2020 | May 8, 2020 |
| 4 | Insider transaction | May 12, 2020 | May 8, 2020 |
| 4 | Insider transaction | May 12, 2020 | May 8, 2020 |
| 4 | Insider transaction | May 12, 2020 | May 8, 2020 |
| 4 | Insider transaction | May 12, 2020 | May 8, 2020 |
| 4 | Insider transaction | May 12, 2020 | May 8, 2020 |
| 4 | Insider transaction | May 12, 2020 | May 8, 2020 |
| 4 | Insider transaction | May 12, 2020 | May 8, 2020 |
| 4 | Insider transaction | May 12, 2020 | May 8, 2020 |
| 4 | Insider transaction | May 12, 2020 | May 8, 2020 |
| 4 | Insider transaction | May 12, 2020 | May 8, 2020 |
| 3 | Initial insider ownership | Mar 19, 2020 | Mar 13, 2020 |
| 4 | Insider transaction | Mar 16, 2020 | Mar 12, 2020 |
| 4 | Insider transaction | Mar 16, 2020 | Mar 13, 2020 |
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
- MATERION Corp MTRN
- Trimas Corp TRS
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.