[8-K] MCKESSON CORP Reports Material Event

Rhea-AI Filing Summary

McKesson Corporation furnished preliminary results for the quarter ended September 30, 2025. The company provided these results in an earnings release attached as Exhibit 99.1, dated November 5, 2025. The information is being furnished to the SEC and is not deemed filed under the Exchange Act.

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UNITED STATES

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): November 5, 2025

McKESSON CORPORATION

(Exact Name of Registrant as Specified in Charter)

Delaware

1-13252

94-3207296

(State or Other Jurisdiction of Incorporation)

(Commission File Number)

(I.R.S. Employer Identification No.)

6555 State Hwy 161

Irving, TX 75039

(Address of Principal Executive Offices, and Zip Code)

(972) 446-4800

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):

☐			Written communication 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 communication pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐			Pre-commencement communication 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, $0.01 par value

MCK

New York Stock Exchange

1.500% Notes due 2025

MCK25

New York Stock Exchange

1.625% Notes due 2026

MCK26

New York Stock Exchange

3.125% Notes due 2029

MCK29

New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

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.

On November 5, 2025, McKesson Corporation (the “Company”) reported the Company’s preliminary results for the quarter ended on September 30, 2025 which are attached hereto as Exhibit 99.1.

The information contained in this Form 8-K, including Exhibit 99.1, is furnished to the Securities and Exchange Commission (the “Commission”), but shall not be deemed “filed” with the Commission for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act except as shall be expressly set forth by specific reference in such a filing.

Item 9.01     Financial Statements and Exhibits.

(d) Exhibits.

Exhibit No.						Description
99.1						Earnings release issued by the Company dated November 5, 2025
104						Cover Page Interactive Data File - the cover page iXBRL tags are embedded within the Inline XBRL document

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: November 5, 2025

McKesson Corporation
			By:			/s/ Britt J. Vitalone
						Britt J. Vitalone
						Executive Vice President and
						Chief Financial Officer

FAQ

What did McKesson (MCK) announce in this 8-K?

McKesson furnished its preliminary results for the quarter ended September 30, 2025, via an earnings release.

Where can I find the detailed results for McKesson (MCK)?

Details are contained in Exhibit 99.1, the earnings release dated November 5, 2025.

Are the preliminary results considered filed with the SEC?

No. The information is furnished to the SEC and is not deemed filed under the Exchange Act.

What period do the preliminary results cover for McKesson (MCK)?

They cover the quarter ended September 30, 2025.

What exhibits are included with the announcement?

The filing includes Exhibit 99.1 (earnings release) and Exhibit 104 (cover page iXBRL tags).