SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 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): July 27, 2022

Waste Management, Inc.

(Exact Name of Registrant as Specified in Charter)

Registrant’s Telephone number, including area code: (713) 512-6200

(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:

¨           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:

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 2.02. Results of Operations and Financial Condition.

Waste Management, Inc. (the “Company”) issued a press release this morning announcing its financial results for the second quarter of 2022, a copy of which is attached hereto as Exhibit 99.1. The Company is conducting an audio webcast to discuss these results beginning at 9:00 a.m. Central Time this morning. Listeners can access the live audio webcast by visiting investors.wm.com and selecting “Events & Presentations” from the website menu. A replay of the audio webcast will be available at the same location.

On the webcast, management of the Company is expected to discuss certain non-GAAP financial measures. The Company has provided information regarding its use of non-GAAP measures and reconciliations of such measures to their most comparable GAAP measures in the notes and tables that accompany the press release.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits

Exhibit Index

SIGNATURES

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.