Results of Operations

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ________________ FORM 8-K ________________ CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 18, 2021 MSA SAFETY INCORPORATED (Exact name of registrant as specified in its charter) Pennsylvania 1-15579 46-4914539 (State or other jurisdiction of incorporation or organization) (Commission File Number) (IRS Employer Identification Number) 1000 Cranberry Woods Drive Cranberry Township, Pennsylvania 16066-5207 (Address of principal executive offices)   (Zip Code) Registrant’s telephone number, including area code: 724 - 776-8600 Former name or former address, if changed since last report: N/A Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbol(s) Name of each exchange on which registered Common stock, no par value MSA New York Stock Exchange Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ Item 2.02 Results of Operations and Financial Condition On February 18, 2021 , the Company issued a press release announcing its financial results for the quarter and full year ended December 31, 2020. A copy of the press release is furnished herewith as Exhibit 99.1 to this report. Item 9.01 Financial Statements and Exhibits          (d) Exhibits 99.1    MSA Safety Incorporated Press Release dated February 18, 2021 , announcing financial results for the quarter and full year ended December 31, 2020. SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. MSA SAFETY INCORPORATED (Registrant) By /s/ Kenneth D. Krause Kenneth D. Krause Sr. Vice President, Chief Financial Officer and Treasurer February 18, 2021 EXHIBIT INDEX Exhibit No.     Description 99.1     MSA Safety Incorporated Press Release dated February 18, 2021, announcing financial results for the quarter and full year ended December 31, 2020.