SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Under Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): January 24, 2019

ResMed Inc.

(Exact Name of Registrant as Specified in Charter)

9001 Spectrum Center Blvd.

San Diego, California 92123

(Address of Principal Executive Offices)

(858) 836-5000

(Registrant’s telephone number, including area code)

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:

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. Disclosure of Results of Operations and Financial Condition.

On January 24, 2019 we issued the press release attached as Exhibit 99.1. It is incorporated into this report by reference. The press release describes the results of our operations for the quarter ended December 31, 2018.

Item 8.01. Other Events.

On January 24, 2019, we announced that our board of directors declared a quarterly cash dividend of US $0.37 per share. The dividend will have a record date of February 7, 2019, payable on March 14, 2019. The dividend will be paid in U.S. currency to holders of ResMed’s common stock trading on the New York Stock Exchange. Holders of Chess Depositary Instruments trading on the Australian Securities Exchange will receive an equivalent amount in Australian currency, based on the exchange rate on the record date, and reflecting the 10:1 ratio between CDIs and NYSE shares. The ex-dividend date will be February 6, 2019 for common stock holders and for CDI holders. ResMed has received a waiver from the ASX’s settlement operating rules, which will allow ResMed to defer processing conversions between its common stock and CDI registers from February 6, 2019 through February 7, 2019, inclusive.

Item 9.01. Financial Statements and Exhibits.

(d)    Exhibits

2

SIGNATURES

We have authorized the person whose signature appears below to sign this report on our behalf, in accordance with the Securities Exchange Act of 1934.