Company Update

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): May 13, 2024 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 8.01 Other Events. On May 10, 2024, the Board of Directors (the “Board”) of MSA Safety Incorporated (the “Company”) elected Nishan J. Vartanian as Non-Executive Chairman. Also on May 10, 2024, Steven C. Blanco assumed the role of Chief Executive Officer (“CEO”) of the Company as announced in an earlier Current Report on Form 8-K filed on February 22, 2024, pursuant to a planned management succession. The Company’s press release announcing these events is attached as an exhibit to this report. Item 9.01 Financial Statements and Exhibits.      (d) The following exhibits are furnished with this report on Form 8-K. Exhibit No. Description 99.1 MSA Safety Incorporated Press Release dated May 13, 2024. 104 Cover Page Interactive Data File (the cover page XBRL tags are embedded within the Inline XBRL document) 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/ Richard W. Roda Richard W. Roda Vice President, Secretary and Chief Legal Officer May 13, 2024 EXHIBIT INDEX Exhibit No.      Description 99.1     MSA Safety Incorporated Press Release dated May 13, 2024. 104    Cover Page Interactive Data File (the cover page XBRL tags are embedded within the Inline XBRL document)