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 20, 2019

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, PA	16066
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code: 724-776-8600

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:

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o 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 20, 2019, MSA Safety Incorporated (“MSA” or “Company”) and Gateway Merger Sub, Inc., an indirect wholly owned subsidiary of MSA, completed the previously announced acquisition of Sierra Monitor Corporation. A copy of the Company’s 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 May 21, 2019.

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 thereunto duly authorized.

MSA SAFETY INCORPORATED

(Registrant)

By/s/ Douglas K. McClaine

_________________________________________

Douglas K. McClaine

Senior Vice President, Secretary and

Chief Legal Officer

Date: May 21, 2019

EXHIBIT INDEX

Exhibit No.	Description
99.1	MSA Safety Incorporated Press Release dated May 21, 2019.