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): July 26, 2017

McKesson Corporation

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code: (415) 983-8300

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:

Indicate by check mark whether the registrant is an emerging growth company as defined in 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.  ☐

On July 26, 2017, the following six items were voted on at the 2017 Annual Meeting of Stockholders (the “2017 Annual Meeting”) of McKesson Corporation (the “Company”), and the stockholder votes on each such matter, as certified by the Inspector of Election, are set forth below.

Item 1. The Board of Directors’ nominees for directors, as listed in Company’s definitive proxy statement filed with the U.S. Securities and Exchange Commission on June 16, 2017 (the “Definitive Proxy Statement”), were each elected to serve a one-year term. The votes were as follows:¹

Item 2. The appointment of Deloitte & Touche LLP as the Company’s independent registered public accounting firm for the fiscal year ending March 31, 2018 was ratified, having received the following votes:²

Item 3. The proposal to approve, on an advisory basis, the compensation of the Company’s named executive officers was not approved, having received the following votes:²

Item 4. The proposal for stockholders to vote, on an advisory basis, on the frequency of the advisory vote on executive compensation received the following votes:³

Item 5. The stockholder-submitted proposal on an independent board chairman was not approved, having received the following votes:²

Item 6. The stockholder-submitted proposal on action by written consent of stockholders was not approved, having received the following votes:²

Each of the items considered at the 2017 Annual Meeting is described in further detail in the Definitive Proxy Statement. No item other than the six items addressed above and described in the Definitive Proxy Statement was submitted at the 2017 Annual Meeting for stockholder action.

Disclosure Regarding Frequency of Stockholder Advisory Vote on Executive Compensation

Based on the results of the stockholder votes on proxy Item 4 above, and as recommended by the Company’s Board of Directors, the Company has determined that an advisory vote on executive compensation will be submitted to stockholders on an annual basis until the next required advisory vote on the frequency of stockholder votes on executive compensation.

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.

Date: July 28, 2017