Executive Change

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): March 21, 2016 DONALDSON COMPANY, INC. (Exact name of registrant as specified in its charter) Delaware 1-7891 41-0222640 (State or other jurisdiction of incorporation) (Commission file number) (I.R.S. Employer Identification No.) 1400 West 94th Street Minneapolis, MN 55431 (Address of principal executive offices) (Zip Code) (952) 887-3131 Registrant’s telephone number, including area code Not Applicable (Former name or former address, if changed since last report) 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 ( see General Instruction A.2. below): 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)) Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. On March 21, 2016, Donaldson Company, Inc. issued a press release announcing that William M. Cook, Executive Chairman of the Board, will retire from the Board and that Jeffrey Noddle, Lead Director of the Board, will become the non-Executive Chairman of the Board. These changes will be effective April 1, 2016. A copy of the press release that discusses these matters is filed as Exhibit 99.1 to, and incorporated by reference in, this report Item 9.01. Financial Statements and Exhibits (d) Exhibit 99.1 Press Release dated March 21, 2016 issued by Donaldson Company, Inc. 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. Date: March 21, 2016 DONALDSON COMPANY, INC. By: /s/ Amy C. Becker Name: Amy C. Becker Title: Vice President, General Counsel and Secretary