MSA Safety Inc SEC filings MSA
MSA Safety Inc has 1,000 filings in SEC EDGAR's recent list, going back to Aug 26, 2015. Its latest annual report, Form ARS, was filed on Mar 26, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 3, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 2, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Sep 16, 2026 | Sep 11, 2026 |
| 4 | Insider transaction | Sep 14, 2026 | Sep 10, 2026 |
| 4 | Insider transaction | Sep 14, 2026 | Sep 10, 2026 |
| 4 | Insider transaction | Sep 14, 2026 | Sep 10, 2026 |
| 4 | Insider transaction | Sep 14, 2026 | Sep 10, 2026 |
| 4 | Insider transaction | Sep 1, 2026 | Aug 31, 2026 |
| 144 | Notice of proposed sale | Aug 18, 2026 | — |
| 4 | Insider transaction | Aug 11, 2026 | Aug 7, 2026 |
| 144 | Notice of proposed sale | Aug 7, 2026 | — |
| 4 | Insider transaction | Aug 5, 2026 | Aug 4, 2026 |
| 4 | Insider transaction | Aug 5, 2026 | Aug 4, 2026 |
| 3 | Initial insider ownership | Jul 22, 2026 | Jul 20, 2026 |
| 4 | Insider transaction | Jun 16, 2026 | Jun 12, 2026 |
| 4 | Insider transaction | Jun 12, 2026 | Jun 11, 2026 |
| 4 | Insider transaction | Jun 12, 2026 | Jun 10, 2026 |
| 4 | Insider transaction | Jun 12, 2026 | Jun 10, 2026 |
| 4 | Insider transaction | Jun 12, 2026 | Jun 10, 2026 |
| 4 | Insider transaction | Jun 12, 2026 | Jun 10, 2026 |
| 4 | Insider transaction | May 26, 2026 | May 21, 2026 |
| 4 | Insider transaction | May 14, 2026 | May 13, 2026 |
| 4 | Insider transaction | May 14, 2026 | May 13, 2026 |
| 4 | Insider transaction | May 14, 2026 | May 13, 2026 |
| 4 | Insider transaction | May 14, 2026 | May 13, 2026 |
| 4 | Insider transaction | May 14, 2026 | May 13, 2026 |
| 4 | Insider transaction | May 14, 2026 | May 13, 2026 |
| 4 | Insider transaction | May 14, 2026 | May 13, 2026 |
| 4 | Insider transaction | May 14, 2026 | May 13, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 30, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| 4 | Insider transaction | Mar 12, 2026 | Mar 10, 2026 |
| 4 | Insider transaction | Mar 12, 2026 | Mar 10, 2026 |
| 4 | Insider transaction | Mar 12, 2026 | Mar 10, 2026 |
| 4 | Insider transaction | Mar 12, 2026 | Mar 10, 2026 |
| 4/A | Filing | Mar 10, 2026 | Mar 8, 2026 |
| 4/A | Filing | Mar 10, 2026 | Mar 8, 2026 |
| 4/A | Filing | Mar 10, 2026 | Mar 8, 2026 |
| 4/A | Filing | Mar 10, 2026 | Mar 8, 2026 |
| 4/A | Filing | Mar 10, 2026 | Mar 8, 2026 |
| 4/A | Filing | Mar 10, 2026 | Mar 8, 2026 |
| 4 | Insider transaction | Mar 10, 2026 | Mar 8, 2026 |
| 4 | Insider transaction | Mar 10, 2026 | Mar 8, 2026 |
| 4 | Insider transaction | Mar 10, 2026 | Mar 8, 2026 |
| 4 | Insider transaction | Mar 10, 2026 | Mar 8, 2026 |
| 4 | Insider transaction | Mar 10, 2026 | Mar 8, 2026 |
| 4 | Insider transaction | Mar 10, 2026 | Mar 8, 2026 |
| 4 | Insider transaction | Mar 6, 2026 | Mar 4, 2026 |
| 4 | Insider transaction | Mar 6, 2026 | Mar 4, 2026 |
| 4 | Insider transaction | Mar 6, 2026 | Mar 4, 2026 |
| 4 | Insider transaction | Mar 6, 2026 | Mar 4, 2026 |
| 4 | Insider transaction | Mar 6, 2026 | Mar 4, 2026 |
| 4 | Insider transaction | Feb 18, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Dec 16, 2025 | Dec 12, 2025 |
| 4 | Insider transaction | Dec 11, 2025 | Dec 10, 2025 |
| 4 | Insider transaction | Dec 11, 2025 | Dec 10, 2025 |
| 4 | Insider transaction | Dec 11, 2025 | Dec 10, 2025 |
| 4 | Insider transaction | Dec 11, 2025 | Dec 10, 2025 |
| 4 | Insider transaction | Dec 4, 2025 | Dec 4, 2025 |
| 4 | Insider transaction | Nov 26, 2025 | Nov 25, 2025 |
| 4/A | Filing | Sep 16, 2025 | Sep 11, 2025 |
| 4 | Insider transaction | Sep 15, 2025 | Sep 12, 2025 |
| 4 | Insider transaction | Sep 12, 2025 | Sep 11, 2025 |
| 4 | Insider transaction | Sep 12, 2025 | Sep 10, 2025 |
| 4 | Insider transaction | Sep 12, 2025 | Sep 10, 2025 |
| 4 | Insider transaction | Sep 12, 2025 | Sep 10, 2025 |
| 4 | Insider transaction | Sep 12, 2025 | Sep 10, 2025 |
| 144 | Notice of proposed sale | Sep 12, 2025 | — |
| 144 | Notice of proposed sale | Sep 11, 2025 | — |
| 144 | Notice of proposed sale | Sep 11, 2025 | — |
| 4 | Insider transaction | Sep 3, 2025 | Sep 1, 2025 |
| 4 | Insider transaction | Sep 3, 2025 | Aug 31, 2025 |
| 4 | Insider transaction | Sep 3, 2025 | Aug 31, 2025 |
| 4 | Insider transaction | Sep 3, 2025 | Aug 31, 2025 |
| 144 | Notice of proposed sale | Aug 22, 2025 | — |
| 3 | Initial insider ownership | Aug 18, 2025 | Aug 18, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 31, 2025 | — |
| 144 | Notice of proposed sale | Jul 16, 2025 | — |
| 4 | Insider transaction | Jun 12, 2025 | Jun 10, 2025 |
| 4 | Insider transaction | Jun 12, 2025 | Jun 10, 2025 |
| 4 | Insider transaction | Jun 12, 2025 | Jun 10, 2025 |
| 4 | Insider transaction | Jun 12, 2025 | Jun 10, 2025 |
| 144 | Notice of proposed sale | Jun 10, 2025 | — |
| 4 | Insider transaction | Jun 3, 2025 | May 30, 2025 |
| 4 | Insider transaction | Jun 3, 2025 | May 30, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 16, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 16, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 16, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 16, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 16, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 16, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 16, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 16, 2025 |
| 4 | Insider transaction | May 14, 2025 | May 13, 2025 |
| 144 | Notice of proposed sale | May 13, 2025 | — |
| 3 | Initial insider ownership | Mar 31, 2025 | Mar 21, 2025 |
| 4 | Insider transaction | Mar 20, 2025 | Mar 8, 2025 |
| 4 | Insider transaction | Mar 11, 2025 | Mar 8, 2025 |
| 4 | Insider transaction | Mar 11, 2025 | Mar 8, 2025 |
| 4 | Insider transaction | Mar 11, 2025 | Mar 8, 2025 |
| 4 | Insider transaction | Mar 11, 2025 | Mar 10, 2025 |
| 4 | Insider transaction | Mar 11, 2025 | Mar 8, 2025 |
| 4 | Insider transaction | Mar 11, 2025 | Mar 8, 2025 |
| 4 | Insider transaction | Mar 11, 2025 | Mar 8, 2025 |
| 4 | Insider transaction | Mar 11, 2025 | Mar 8, 2025 |
| 4 | Insider transaction | Mar 11, 2025 | Mar 8, 2025 |
| 4 | Insider transaction | Feb 24, 2025 | Feb 24, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| 4 | Insider transaction | Feb 20, 2025 | Feb 18, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 10, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jan 7, 2025 | — |
| 4 | Insider transaction | Dec 12, 2024 | Dec 10, 2024 |
| 4 | Insider transaction | Dec 12, 2024 | Dec 10, 2024 |
| 4 | Insider transaction | Dec 12, 2024 | Dec 10, 2024 |
| 4 | Insider transaction | Dec 12, 2024 | Dec 10, 2024 |
| 4 | Insider transaction | Nov 19, 2024 | Nov 15, 2024 |
| 4 | Insider transaction | Nov 8, 2024 | Nov 6, 2024 |
| 4 | Insider transaction | Sep 12, 2024 | Sep 10, 2024 |
| 4 | Insider transaction | Sep 12, 2024 | Sep 10, 2024 |
| 4 | Insider transaction | Sep 12, 2024 | Sep 10, 2024 |
| 4 | Insider transaction | Sep 12, 2024 | Sep 10, 2024 |
| 4 | Insider transaction | Aug 13, 2024 | Aug 12, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Aug 9, 2024 | — |
| 4 | Insider transaction | Aug 1, 2024 | Jul 31, 2024 |
| 144 | Notice of proposed sale | Jul 31, 2024 | — |
| 4 | Insider transaction | Jul 31, 2024 | Jul 29, 2024 |
| 4 | Insider transaction | Jul 31, 2024 | Jul 30, 2024 |
| 144 | Notice of proposed sale | Jul 30, 2024 | — |
| 4 | Insider transaction | Jun 11, 2024 | Jun 10, 2024 |
| 4 | Insider transaction | Jun 11, 2024 | Jun 10, 2024 |
| 4 | Insider transaction | Jun 11, 2024 | Jun 10, 2024 |
| 4 | Insider transaction | Jun 11, 2024 | Jun 10, 2024 |
| 3 | Initial insider ownership | Jun 4, 2024 | Jun 1, 2024 |
| 144 | Notice of proposed sale | May 22, 2024 | — |
| 4 | Insider transaction | May 16, 2024 | May 15, 2024 |
| 4 | Insider transaction | May 16, 2024 | May 15, 2024 |
| 4 | Insider transaction | May 16, 2024 | May 15, 2024 |
| 4 | Insider transaction | May 16, 2024 | May 15, 2024 |
| 4 | Insider transaction | May 16, 2024 | May 15, 2024 |
| 4 | Insider transaction | May 16, 2024 | May 15, 2024 |
| 4 | Insider transaction | May 16, 2024 | May 15, 2024 |
| 4 | Insider transaction | May 16, 2024 | May 15, 2024 |
| 4 | Insider transaction | May 8, 2024 | May 8, 2024 |
| 4 | Insider transaction | May 6, 2024 | May 3, 2024 |
| 4 | Insider transaction | May 3, 2024 | May 2, 2024 |
| 144 | Notice of proposed sale | May 2, 2024 | — |
| 144 | Notice of proposed sale | Apr 3, 2024 | — |
| 4 | Insider transaction | Mar 14, 2024 | Mar 12, 2024 |
| 4/A | Filing | Mar 14, 2024 | Mar 8, 2024 |
| 4/A | Filing | Mar 14, 2024 | Mar 8, 2024 |
| 4/A | Filing | Mar 14, 2024 | Mar 8, 2024 |
| 4/A | Filing | Mar 14, 2024 | Mar 8, 2024 |
| 4/A | Filing | Mar 14, 2024 | Mar 8, 2024 |
| 144 | Notice of proposed sale | Mar 13, 2024 | — |
| 144 | Notice of proposed sale | Mar 12, 2024 | — |
| 4 | Insider transaction | Mar 12, 2024 | Mar 8, 2024 |
| 4 | Insider transaction | Mar 12, 2024 | Mar 8, 2024 |
| 4 | Insider transaction | Mar 12, 2024 | Mar 8, 2024 |
| 4 | Insider transaction | Mar 12, 2024 | Mar 8, 2024 |
| 4 | Insider transaction | Mar 12, 2024 | Mar 8, 2024 |
| 4 | Insider transaction | Mar 12, 2024 | Mar 10, 2024 |
| 4 | Insider transaction | Mar 12, 2024 | Mar 10, 2024 |
| 4 | Insider transaction | Mar 12, 2024 | Mar 10, 2024 |
| 4 | Insider transaction | Mar 12, 2024 | Mar 10, 2024 |
| 4 | Insider transaction | Mar 12, 2024 | Mar 11, 2024 |
| 4 | Insider transaction | Mar 4, 2024 | Mar 1, 2024 |
| 144 | Notice of proposed sale | Mar 1, 2024 | — |
| 4 | Insider transaction | Feb 29, 2024 | Feb 29, 2024 |
| 4 | Insider transaction | Feb 28, 2024 | Feb 27, 2024 |
| 144 | Notice of proposed sale | Feb 27, 2024 | — |
| 4 | Insider transaction | Feb 22, 2024 | Feb 20, 2024 |
| 4 | Insider transaction | Feb 22, 2024 | Feb 20, 2024 |
| 4 | Insider transaction | Feb 22, 2024 | Feb 20, 2024 |
| 4 | Insider transaction | Feb 22, 2024 | Feb 20, 2024 |
| 4 | Insider transaction | Feb 22, 2024 | Feb 20, 2024 |
| 4 | Insider transaction | Feb 22, 2024 | Feb 20, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 7, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 25, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 22, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Jan 10, 2024 | — |
| 4 | Insider transaction | Dec 12, 2023 | Dec 10, 2023 |
| 4 | Insider transaction | Dec 12, 2023 | Dec 10, 2023 |
| 4 | Insider transaction | Dec 12, 2023 | Dec 10, 2023 |
| 4 | Insider transaction | Dec 12, 2023 | Dec 10, 2023 |
| 4 | Insider transaction | Nov 29, 2023 | Nov 29, 2023 |
| 4 | Insider transaction | Nov 29, 2023 | Nov 27, 2023 |
| 4 | Insider transaction | Nov 13, 2023 | Nov 13, 2023 |
| 4 | Insider transaction | Nov 2, 2023 | Nov 1, 2023 |
| 4 | Insider transaction | Sep 12, 2023 | Sep 10, 2023 |
| 4 | Insider transaction | Sep 12, 2023 | Sep 10, 2023 |
| 4 | Insider transaction | Sep 12, 2023 | Sep 10, 2023 |
| 4 | Insider transaction | Sep 12, 2023 | Sep 10, 2023 |
| 4 | Insider transaction | Aug 31, 2023 | Aug 30, 2023 |
| 144 | Notice of proposed sale | Aug 30, 2023 | — |
| 4 | Insider transaction | Aug 30, 2023 | Aug 29, 2023 |
| 4 | Insider transaction | Aug 9, 2023 | Aug 9, 2023 |
| 4 | Insider transaction | Aug 7, 2023 | Aug 3, 2023 |
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
- Orthopedic, Prosthetic & Surgical Appliances & Supplies (SIC 3842)
- Listed as
- MSA (NYSE), MNESP (OTC)
- Fiscal year ends
- December 31
- Headquarters
- Cranberry Township, PA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 66570
- Former names
- MINE SAFETY APPLIANCES CO (until Mar 6, 2014)
Other Orthopedic, Prosthetic & Surgical Appliances & Supplies companies
- Intuitive Surgical Inc ISRG
- Edwards Lifesciences Corp EW
- STERIS plc STE
- Zimmer Biomet Holdings, Inc. ZBH
- Smith & Nephew PLC SNN
- Align Technology Inc ALGN
- Establishment Labs Holdings Inc. ESTA
- Cadre Holdings, Inc. CDRE
All 29 Orthopedic, Prosthetic & Surgical Appliances & Supplies companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.