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): August 26, 2022 3M COMPANY (Exact name of registrant as specified in its charter) Delaware File No. 1-3285 41-0417775 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.) 3M Center , St. Paul , Minnesota   55144-1000 (Address of Principal Executive Offices)   (Zip Code) (Registrant’s Telephone Number, Including Area Code) ( 651 ) 733-1110 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): ☒ 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, Par Value $.01 Per Share   MMM   New York Stock Exchange     MMM   Chicago Stock Exchange, Inc. 0.950% Notes due 2023   MMM23   New York Stock Exchange 1.500% Notes due 2026   MMM26   New York Stock Exchange 1.750% Notes due 2030   MMM30   New York Stock Exchange 1.500% Notes due 2031   MMM31   New York Stock Exchange Note: The common stock of the registrant is also traded on the SWX Swiss Exchange. Securities registered pursuant to Section 12(g) of the Act: None Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter). 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 August 26, 2022, 3M Company (“3M”) issued a press release relating to a decision of the United States Bankruptcy Court in the Southern District of Indiana. A copy of 3M’s press release is attached as Exhibit 99.1 hereto and is incorporated herein by reference. Item 9.01. Financial Statements and Exhibits (d) Exhibits. Exhibit Number   Description 99.1   Press release of 3M Company, dated August 26, 2022 104   Cover Page Interactive Data File (the cover page XBRL tags are embedded in 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 thereunto duly authorized.   3M COMPANY       By: /s/ Michael M. Dai           Michael M. Dai,     Vice President, Associate General Counsel & Secretary Dated: August 29, 2022